|
| US3943375 | 23 Dic 1974 | 9 Mar 1976 | GTE Sylvania Incorporated | On-off switch with time delay |
| US3947658 | 21 Mar 1975 | 30 Mar 1976 | Kureha Kagaku Kogyo Kabushiki Kaisha
Toyo Boseki Kabushiki Kaisha | Protector for the plate-shaped heating element |
| US3973100 | 27 Dic 1972 | 3 Ago 1976 | Texas Instruments Incorporated | Self-limiting electric hair curler heater |
| US3976600 | 14 May 1973 | 24 Ago 1976 | Texas Instruments Incorporated | Process for making conductive polymers |
| US4000647 | 29 Jun 1972 | 4 Ene 1977 | Dornier GmbH | Heating device for flow sondes |
| US4085286 | 4 Ago 1975 | 18 Abr 1978 | Raychem Corporation | Heat-recoverable sealing article with self-contained heating means and method of sealing a splice therewith |
| US4088269 | 6 Nov 1975 | 9 May 1978 | VDO Adolf Schindling AG | Electrically heated windshield washer spray nozzle assembly |
| US4101862 | 19 Nov 1976 | 18 Jul 1978 | K.K. Tokai Rika Denki Seisakusho | Current limiting element for preventing electrical overcurrent |
| US4118334 | 3 Jun 1977 | 3 Oct 1978 | GTE Laboratories Incorporated | Primary electrochemical cell |
| US4149066 | 20 Nov 1975 | 10 Abr 1979 | | Temperature controlled flexible electric heating panel |
| US4212425 | 27 Feb 1978 | 15 Jul 1980 | VDO Adolf Schindling AG. | Electrically heated windshield washer spray nozzle assembly |
| US4213031 | 21 Oct 1977 | 15 Jul 1980 | Bosch-Siemens Hausgerate GmbH | Heat sealing roller having a temperature self-controlled PTC heating resistor for welding thermoplastic foils |
| US4237441 | 1 Dic 1978 | 2 Dic 1980 | Raychem Corporation | Low resistivity PTC compositions |
| US4238812 | 1 Dic 1978 | 9 Dic 1980 | Raychem Corporation | Circuit protection devices comprising PTC elements |
| US4250631 | 24 Ene 1979 | 17 Feb 1981 | | Tobacco-pipe holder and dryer |
| US4255698 | 26 Ene 1979 | 10 Mar 1981 | Raychem Corporation | Protection of batteries |
| US4315237 | 30 Nov 1979 | 9 Feb 1982 | Raychem Corporation | PTC Devices comprising oxygen barrier layers |
| US4318220 | 14 Feb 1980 | 9 Mar 1982 | Raychem Corporation | Process for recovering heat recoverable sheet material |
| US4329726 | 30 Nov 1979 | 11 May 1982 | Raychem Corporation | Circuit protection devices comprising PTC elements |
| US4330704 | 8 Ago 1980 | 18 May 1982 | Raychem Corporation | Electrical devices comprising conductive polymers |
| US4331861 | 25 Ago 1980 | 25 May 1982 | Siemens Aktiengesellschaft | Positive temperature coefficient (PTC) resistor heating device |
| US4352008 | 31 Dic 1979 | 28 Sep 1982 | Firma Fritz Eichenauer | Electric heating device for heating the interior of a switch cabinet |
| US4352083 | 21 Abr 1980 | 28 Sep 1982 | Raychem Corporation | Circuit protection devices |
| US4354092 | 28 Sep 1979 | 12 Oct 1982 | Matsushita Electric Industrial Co., Ltd. | Electric hair curling iron with rechargeable battery power supply |
| US4388607 | 17 Oct 1979 | 14 Jun 1983 | Raychem Corporation | Conductive polymer compositions, and to devices comprising such compositions |
| US4413301 | 21 Abr 1980 | 1 Nov 1983 | Raychem Corporation | Circuit protection devices comprising PTC element |
| US4450496 | 26 Ene 1981 | 22 May 1984 | Raychem Corporation | Protection of certain electrical systems by use of PTC device |
| US4475138 | 20 Sep 1982 | 2 Oct 1984 | Raychem Corporation | Circuit protection devices comprising PTC element |
| US4560498 | 12 Oct 1979 | 24 Dic 1985 | Raychem Corporation | Positive temperature coefficient of resistance compositions |
| US4560524 | 15 Abr 1983 | 24 Dic 1985 | | Method of manufacturing a positive temperature coefficient resistive heating element |
| US4574187 | 29 Ago 1980 | 4 Mar 1986 | Sprague Electric Company | Self regulating PTCR heater |
| US4629869 | 12 Jul 1984 | 16 Dic 1986 | | Self-limiting heater and resistance material |
| US4650972 | 4 Oct 1985 | 17 Mar 1987 | Emerson Electric Co. | Heating cable and method of making same |
| US4668857 | 16 Ago 1985 | 26 May 1987 | Belton Corporation | Temperature self-regulating resistive heating element |
| US4698179 | 23 May 1986 | 6 Oct 1987 | Taiho Kogyo Co., Ltd. | Electric conductive and sliding resin material |
| US4764664 | 20 Nov 1985 | 16 Ago 1988 | Raychem Corporation | Electrical devices comprising conductive polymer compositions |
| US4775500 | 24 Abr 1987 | 4 Oct 1988 | Matsushita Electric Industrial Co., Ltd. | Electrically conductive polymeric composite and method of making said composite |
| US4783587 | 17 Dic 1985 | 8 Nov 1988 | Matsushita Electric Industrial Co., Ltd. | Self-regulating heating article having electrodes directly connected to a PTC layer |
| US4794229 | 24 Abr 1987 | 27 Dic 1988 | Thermon Manufacturing Company | Flexible, elongated thermistor heating cable |
| US4830777 | 24 Sep 1987 | 16 May 1989 | Taiho Kogyo Co., Ltd. | Electric conductive and sliding resin material |
| US4845838 | 21 Ene 1988 | 11 Jul 1989 | Raychem Corporation | Method of making a PTC conductive polymer electrical device |
| US4866253 | 15 Ago 1988 | 12 Sep 1989 | Raychem Corporation | Electrical devices comprising conductive polymer compositions |
| US4876440 | 7 Feb 1989 | 24 Oct 1989 | Raychem Corporation | Electrical devices comprising conductive polymer compositions |
| US4889975 | 16 Mar 1988 | 26 Dic 1989 | The Fluorocarbon Company | Self-regulating heater having a heat tape that stops tracking |
| US4907340 | 30 Sep 1987 | 13 Mar 1990 | Raychem Corporation | Electrical device comprising conductive polymers |
| US4922083 | 22 Abr 1988 | 1 May 1990 | Thermon Manufacturing Company | Flexible, elongated positive temperature coefficient heating assembly and method |
| US4924074 | 3 Ene 1989 | 8 May 1990 | Raychem Corporation | Electrical device comprising conductive polymers |
| US4937435 | 15 Mar 1989 | 26 Jun 1990 | Thermon Manufacturing Company | Flexible electric heating pad using PTC ceramic thermistor chip heating elements |
| US4951382 | 21 Ene 1988 | 28 Ago 1990 | Raychem Corporation | Method of making a PTC conductive polymer electrical device |
| US4951384 | 21 Ene 1988 | 28 Ago 1990 | Raychem Corporation | Method of making a PTC conductive polymer electrical device |
| US4954695 | 12 May 1988 | 4 Sep 1990 | Raychem Corporation | Self-limiting conductive extrudates and methods therefor |
| US4955267 | 21 Ene 1988 | 11 Sep 1990 | Raychem Corporation | Method of making a PTC conductive polymer electrical device |
| US5057673 | 19 May 1988 | 15 Oct 1991 | Fluorocarbon Company | Self-current-limiting devices and method of making same |
| US5140297 | 1 Jun 1990 | 18 Ago 1992 | Raychem Corporation | PTC conductive polymer compositions |
| US5166658 | 8 Mar 1990 | 24 Nov 1992 | Raychem Corporation | Electrical device comprising conductive polymers |
| US5174924 | 4 Jun 1990 | 29 Dic 1992 | Fujikura Ltd. | PTC conductive polymer composition containing carbon black having large particle size and high DBP absorption |
| US5185594 | 20 May 1991 | 9 Feb 1993 | Furon Company | Temperature sensing cable device and method of making same |
| US5195013 | 13 Abr 1992 | 16 Mar 1993 | Raychem Corporation | PTC conductive polymer compositions |
| US5227946 | 13 Abr 1992 | 13 Jul 1993 | Raychem Corporation | Electrical device comprising a PTC conductive polymer |
| US5313185 | 8 Feb 1993 | 17 May 1994 | Furon Company | Temperature sensing cable device and method of making same |
| US5474746 | 9 Mar 1994 | 12 Dic 1995 | Emitec Gesellschaft fuer Emissionstechnologie mbH | Catalyst carrier body for exhaust systems of internal combustion engines |
| US5537286 | 23 Dic 1993 | 16 Jul 1996 | Raychem S.A. | Method of preparing planar PTC circuit protection devices |
| US5614881 | 11 Ago 1995 | 25 Mar 1997 | General Electric Company | Current limiting device |
| US5644283 | 14 Feb 1995 | 1 Jul 1997 | Siemens Aktiengesellschaft | Variable high-current resistor, especially for use as protective element in power switching applications & circuit making use of high-current resistor |
| US5663702 | 7 Jun 1995 | 2 Sep 1997 | Littelfuse, Inc. | PTC electrical device having fuse link in series and metallized ceramic electrodes |
| US5691689 | 11 Ago 1995 | 25 Nov 1997 | Eaton Corporation | Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions |
| US5705555 | 22 Dic 1995 | 6 Ene 1998 | Cabot Corporation | Conductive polymer compositions |
| US5747147 | 30 Ene 1997 | 5 May 1998 | Raychem Corporation | Conductive polymer composition and device |
| US5793278 | 17 Jun 1996 | 11 Ago 1998 | Siemens Aktiengesellschaft | Limiter for current limiting |
| US5802709 | 16 Abr 1997 | 8 Sep 1998 | Bourns, Multifuse (Hong Kong), Ltd. | Method for manufacturing surface mount conductive polymer devices |
| US5814264 | 12 Abr 1996 | 29 Sep 1998 | Littelfuse, Inc. | Continuous manufacturing methods for positive temperature coefficient materials |
| US5849129 | 16 Oct 1997 | 15 Dic 1998 | Bourns Multifuse (Hong Kong) Ltd. | Continuous process and apparatus for manufacturing conductive polymer components |
| US5849137 | 28 Mar 1997 | 15 Dic 1998 | Bourns Multifuse (Hong Kong) Ltd. | Continuous process and apparatus for manufacturing conductive polymer components |
| US5864280 | 28 Ago 1996 | 26 Ene 1999 | Littlefuse, Inc. | Electrical circuits with improved overcurrent protection |
| US5880668 | 28 Ago 1996 | 9 Mar 1999 | Littelfuse, Inc. | Electrical devices having improved PTC polymeric compositions |
| US5929744 | 18 Feb 1997 | 27 Jul 1999 | General Electric Company | Current limiting device with at least one flexible electrode |
| US5940958 | 29 May 1996 | 24 Ago 1999 | Littlefuse, Inc. | Method of manufacturing a PTC circuit protection device |
| US5955936 | 20 May 1997 | 21 Sep 1999 | Littlefuse, Inc. | PTC circuit protection device and manufacturing process for same |
| US5977861 | 5 Mar 1997 | 2 Nov 1999 | General Electric Company | Current limiting device with grooved electrode structure |
| US5982271 | 26 Nov 1997 | 9 Nov 1999 | TDK Corporation | Organic positive temperature coefficient thermistor |
| US5985976 | 12 Nov 1997 | 16 Nov 1999 | Raychem Corporation | Method of making a conductive polymer composition |
| US6020808 | 3 Sep 1997 | 1 Feb 2000 | Bourns Multifuse (Hong Kong) Ltd. | Multilayer conductive polymer positive temperature coefficent device |
| US6023403 | 26 Nov 1997 | 8 Feb 2000 | Littlefuse, Inc. | Surface mountable electrical device comprising a PTC and fusible element |
| US6059997 | 12 Mar 1996 | 9 May 2000 | Littlelfuse, Inc. | Polymeric PTC compositions |
| US6090314 | 28 Ene 1999 | 18 Jul 2000 | TDK Corporation | Organic positive temperature coefficient thermistor |
| US6124780 | 20 May 1998 | 26 Sep 2000 | General Electric Company | Current limiting device and materials for a current limiting device |
| US6128168 | 14 Ene 1998 | 3 Oct 2000 | General Electric Company | Circuit breaker with improved arc interruption function |
| US6133820 | 12 Ago 1998 | 17 Oct 2000 | General Electric Company | Current limiting device having a web structure |
| US6144540 | 9 Mar 1999 | 7 Nov 2000 | General Electric Company | Current suppressing circuit breaker unit for inductive motor protection |
| US6157286 | 5 Abr 1999 | 5 Dic 2000 | General Electric Company | High voltage current limiting device |
| US6172591 | 5 Mar 1998 | 9 Ene 2001 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same |
| US6191681 | 21 Jul 1997 | 20 Feb 2001 | General Electric Company | Current limiting device with electrically conductive composite and method of manufacturing the electrically conductive composite |
| US6223423 | 9 Sep 1999 | 1 May 2001 | Bourns Multifuse (Hong Kong) Ltd. | Multilayer conductive polymer positive temperature coefficient device |
| US6228287 | 17 Sep 1999 | 8 May 2001 | Bourns, Inc. | Two-step process for preparing positive temperature coefficient polymer materials |
| US6236302 | 13 Nov 1998 | 22 May 2001 | Bourns, Inc. | Multilayer conductive polymer device and method of manufacturing same |
| US6242997 | 18 Dic 1998 | 5 Jun 2001 | Bourns, Inc. | Conductive polymer device and method of manufacturing same |
| US6282072 | 23 Feb 1999 | 28 Ago 2001 | Littelfuse, Inc. | Electrical devices having a polymer PTC array |
| US6290879 | 15 Mar 2000 | 18 Sep 2001 | General Electric Company | Current limiting device and materials for a current limiting device |
| US6323751 | 19 Nov 1999 | 27 Nov 2001 | General Electric Company | Current limiter device with an electrically conductive composite material and method of manufacturing |
| US6366193 | 28 Jun 2001 | 2 Abr 2002 | General Electric Company | Current limiting device and materials for a current limiting device |
| US6373372 | 24 Nov 1997 | 16 Abr 2002 | General Electric Company | Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device |
| US6396383 | 10 Dic 1998 | 28 May 2002 | ABB Research Ltd. | Protective element |
| US6429533 | 23 Nov 1999 | 6 Ago 2002 | Bourns Inc. | Conductive polymer device and method of manufacturing same |
| US6497951 | 21 Sep 2000 | 24 Dic 2002 | Milliken & Company | Temperature dependent electrically resistive yarn |
| US6535103 | 4 Mar 1997 | 18 Mar 2003 | General Electric Company | Current limiting arrangement and method |
| US6540944 | 24 Ene 2002 | 1 Abr 2003 | General Electric Company | Current limiting device with conductive composite material and method of manufacturing the conductive composite material and the current limiting device |
| US6558579 | 5 Abr 2001 | 6 May 2003 | TDK Corporation | Organic positive temperature coefficient thermistor and making method |
| US6582647 | 30 Sep 1999 | 24 Jun 2003 | Littelfuse, Inc. | Method for heat treating PTC devices |
| US6628498 | 31 Jul 2001 | 30 Sep 2003 | | Integrated electrostatic discharge and overcurrent device |
| US6680117 | 7 May 2003 | 20 Ene 2004 | Milliken & Company | Temperature dependent electrically resistive yarn |
| US6711807 | 5 Nov 2002 | 30 Mar 2004 | General Electric Company | Method of manufacturing composite array structure |
| US6778062 | 15 Nov 2002 | 17 Ago 2004 | TDK Corporation | Organic PTC thermistor and making method |
| US6855421 | 7 May 2003 | 15 Feb 2005 | Milliken & Company | Temperature dependent electrically resistive yarn |
| US7019613 | 18 Jun 2003 | 28 Mar 2006 | TDK Corporation | PTC thermistor body, PTC thermistor, method of making PTC thermistor body, and method of making PTC thermistor |
| US7041238 | 25 Abr 2002 | 9 May 2006 | LG Cable Ltd. | Conductive polymer having positive temperature coefficient, method of controlling positive temperature coefficient property of the same and electrical device using the same |
| US7119655 | 29 Nov 2004 | 10 Oct 2006 | Therm-O-Disc, Incorporated | PTC circuit protector having parallel areas of effective resistance |
| US7132922 | 23 Dic 2003 | 7 Nov 2006 | Littelfuse, Inc. | Direct application voltage variable material, components thereof and devices employing same |
| US7183891 | 5 Oct 2004 | 27 Feb 2007 | Littelfuse, Inc. | Direct application voltage variable material, devices employing same and methods of manufacturing such devices |
| US7202770 | 8 Abr 2003 | 10 Abr 2007 | Littelfuse, Inc. | Voltage variable material for direct application and devices employing same |
| US7314583 | 25 Mar 2004 | 1 Ene 2008 | TDK Corporation | Organic positive temperature coefficient thermistor device |
| US7588029 | 20 Sep 2001 | 15 Sep 2009 | Fisher & Paykel Healthcare Limited | Humidified gases delivery apparatus |
| US7609141 | 26 Feb 2007 | 27 Oct 2009 | Littelfuse, Inc. | Flexible circuit having overvoltage protection |
| US7843308 | 26 Feb 2007 | 30 Nov 2010 | Littlefuse, Inc. | Direct application voltage variable material |
| US7955331 | 14 Mar 2005 | 7 Jun 2011 | Ethicon Endo-Surgery, Inc. | Electrosurgical instrument and method of use |
| US8075555 | 2 Mar 2007 | 13 Dic 2011 | SurgRx, Inc. | Surgical sealing surfaces and methods of use |
| US8075558 | 2 Jul 2005 | 13 Dic 2011 | SurgRx, Inc. | Electrosurgical instrument and method |
