|
| US3960990 | 5 Ago 1974 | 1 Jun 1976 | Ford Motor Company | Carburetor power valve control apparatus |
| US3983189 | 21 Ago 1974 | 28 Sep 1976 | General Motors Corporation | Carburetor |
| US4053542 | 22 Jul 1976 | 11 Oct 1977 | ACF Industries, Inc. | Control means for secondary throttle |
| US4069802 | 2 Jul 1976 | 24 Ene 1978 | The Zenith Carburetter Company Limited | Cold starting devices |
| US4178332 | 19 Jun 1978 | 11 Dic 1979 | General Motors Corporation | Carburetor and method of calibration |
| US4217314 | 26 Jun 1978 | 12 Ago 1980 | General Motors Corporation | Carburetor and method of operation |
| US4229384 | 9 May 1978 | 21 Oct 1980 | Hitachi, Ltd. | Carburetor with starting means |
| US4946631 | 6 Dic 1988 | 7 Ago 1990 | Crown Carburetor Co., Ltd. | Carburetor |
| US5979555 | 2 Dic 1997 | 9 Nov 1999 | Akzo Nobel NV | Surfactants for hydraulic fractoring compositions |
| US6076046 | 24 Jul 1998 | 13 Jun 2000 | Schlumberger Technology Corporation | Post-closure analysis in hydraulic fracturing |
| US6659175 | 23 May 2002 | 9 Dic 2003 | Core Laboratories, Inc. | Method for determining the extent of recovery of materials injected into oil wells during oil and gas exploration and production |
| US6729408 | 5 Abr 2002 | 4 May 2004 | Schlumberger Technology Corp. | Fracturing fluid and method of use |
| US7032662 | 12 Nov 2003 | 25 Abr 2006 | Core Laboratories LP | Method for determining the extent of recovery of materials injected into oil wells or subsurface formations during oil and gas exploration and production |
| US7268100 | 29 Nov 2004 | 11 Sep 2007 | Clearwater International, LLC | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same |
| US7347260 | 24 Oct 2005 | 25 Mar 2008 | Core Laboratories LP, a Delaware Limited Partnership | Method for determining tracer concentration in oil and gas production fluids |
| US7404441 | 12 Mar 2007 | 29 Jul 2008 | Geosierra, LLC | Hydraulic feature initiation and propagation control in unconsolidated and weakly cemented sediments |
| US7410011 | 14 Mar 2006 | 12 Ago 2008 | Core Laboratories LP | Method to determine the concentration of deuterium oxide in a subterranean formation |
| US7520325 | 23 Ene 2007 | 21 Abr 2009 | GeoSierra LLC | Enhanced hydrocarbon recovery by in situ combustion of oil sand formations |
| US7565933 | 18 Abr 2007 | 28 Jul 2009 | Clearwater International, LLC. | Non-aqueous foam composition for gas lift injection and methods for making and using same |
| US7566686 | 9 Ago 2007 | 28 Jul 2009 | Clearwater International, LLC | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same |
| US7591306 | 23 Ene 2007 | 22 Sep 2009 | Geosierra LLC | Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| US7604054 | 23 Ene 2007 | 20 Oct 2009 | GeoSierra LLC | Enhanced hydrocarbon recovery by convective heating of oil sand formations |
| US7712535 | 31 Oct 2006 | 11 May 2010 | Clearwater International, LLC | Oxidative systems for breaking polymer viscosified fluids |
| US7748458 | 27 Feb 2006 | 6 Jul 2010 | GeoSierra LLC | Initiation and propagation control of vertical hydraulic fractures in unconsolidated and weakly cemented sediments |
| US7866395 | 15 Mar 2007 | 11 Ene 2011 | GeoSierra LLC | Hydraulic fracture initiation and propagation control in unconsolidated and weakly cemented sediments |
| US7870904 | 12 Feb 2009 | 18 Ene 2011 | GeoSierra LLC | Enhanced hydrocarbon recovery by steam injection of oil sand formations |
| US7886824 | 24 Sep 2008 | 15 Feb 2011 | Clearwater International, LLC | Compositions and methods for gas well treatment |
| US7921046 | 19 Jun 2007 | 5 Abr 2011 | Exegy Incorporated | High speed processing of financial information using FPGA devices |
| US7932214 | 14 Nov 2008 | 26 Abr 2011 | Clearwater International, LLC | Foamed gel systems for fracturing subterranean formations, and methods for making and using same |
| US7942201 | 6 May 2008 | 17 May 2011 | Clearwater International, LLC | Apparatus, compositions, and methods of breaking fracturing fluids |
| US7950456 | 9 Jun 2010 | 31 May 2011 | Halliburton Energy Services, Inc. | Casing deformation and control for inclusion propagation |
| US7956217 | 21 Jul 2008 | 7 Jun 2011 | Clearwater International, LLC | Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same |
| US7989404 | 11 Feb 2008 | 2 Ago 2011 | Clearwater International, LLC | Compositions and methods for gas well treatment |
| US7992653 | 18 Abr 2007 | 9 Ago 2011 | Clearwater International | Foamed fluid additive for underbalance drilling |
| US8011431 | 22 Ene 2009 | 6 Sep 2011 | Clearwater International, LLC | Process and system for creating enhanced cavitation |
| US8034750 | 14 May 2007 | 11 Oct 2011 | Clearwater International LLC | Borozirconate systems in completion systems |
| US8065905 | 22 Jun 2007 | 29 Nov 2011 | Clearwater International, LLC | Composition and method for pipeline conditioning and freezing point suppression |
| US8084401 | 25 Ene 2006 | 27 Dic 2011 | Clearwater International, LLC | Non-volatile phosphorus hydrocarbon gelling agent |
| US8093431 | 2 Feb 2009 | 10 Ene 2012 | Clearwater International LLC | Aldehyde-amine formulations and method for making and using same |
| US8141661 | 2 Jul 2008 | 27 Mar 2012 | Clearwater International, LLC | Enhanced oil-based foam drilling fluid compositions and method for making and using same |
| US8151874 | 13 Nov 2008 | 10 Abr 2012 | Halliburton Energy Services, Inc. | Thermal recovery of shallow bitumen through increased permeability inclusions |
| US8158562 | 27 Abr 2007 | 17 Abr 2012 | Clearwater International, LLC | Delayed hydrocarbon gel crosslinkers and methods for making and using same |
| US8172952 | 21 Feb 2007 | 8 May 2012 | Clearwater International, LLC | Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids |