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| US3978273 | 1 Jul 1974 | 31 Ago 1976 | Flachglas Aktiengesellschaft Delog-Detag | Heat-reflecting window pane |
| US4092750 | 14 May 1976 | 6 Jun 1978 | | Inflatable insulating apparatus |
| US4187896 | 19 May 1978 | 12 Feb 1980 | | Self-inflating solar curtain |
| US4188991 | 15 Nov 1977 | 19 Feb 1980 | | Wind-and-sun shield |
| US4194550 | 19 Jul 1977 | 25 Mar 1980 | Insulating Shade (Limited Partnership) | Apparatus for insulating against conductive, convective and radiant heat transmission |
| US4201189 | 6 Nov 1978 | 6 May 1980 | | Curtain assembly |
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| US4273099 | 14 Jun 1979 | 16 Jun 1981 | Concept Development Institute, Inc. | Solar heated building |
| US4290473 | 24 Ene 1979 | 22 Sep 1981 | Queen's University at Kingston | Apparatus for controlling light transmission through a window |
| US4313484 | 15 Sep 1977 | 2 Feb 1982 | | Self-inflating solar curtain |
| US4344473 | 22 Oct 1979 | 17 Ago 1982 | | Means for separating light reflective fabrics |
| US4387973 | 30 Abr 1981 | 14 Jun 1983 | The Foxboro Company | Apparatus for maintaining clean optical surfaces in process environments |
| US4398587 | 2 Oct 1980 | 16 Ago 1983 | | Radiant energy reflector device |
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| US4766941 | 9 Jun 1986 | 30 Ago 1988 | Sytron Corporation | Window shade with selectively variable shading characteristics |
| US4848437 | 16 Ene 1987 | 18 Jul 1989 | | Sunblind |
| US4915152 | 26 Ago 1988 | 10 Abr 1990 | | Cartridge shade assembly |
| US4937716 | 5 May 1988 | 26 Jun 1990 | Tir Systems Ltd | Illuminating device having non-absorptive variable transmissivity cover |
| US4943140 | 27 Jul 1989 | 24 Jul 1990 | Monsanto Company | Optical element for a vehicle windshield |
| US4976503 | 27 Jul 1989 | 11 Dic 1990 | Monsanto Company | Optical element for a vehicle windshield |
| US4991638 | 12 Feb 1990 | 12 Feb 1991 | Magee Plastics Company | Cartridge shade assembly |
| US5018833 | 17 Ene 1990 | 28 May 1991 | Newport Corporation | Neutral density filters |
| US5176774 | 25 Ene 1991 | 5 Ene 1993 | Roll Screens, Inc. | Processes for manufacturing multilayer plastic sheet |
| US5189551 | 27 Jul 1989 | 23 Feb 1993 | Monsanto Company | Solar screening film for a vehicle windshield |
| US5265373 | 15 Ene 1991 | 30 Nov 1993 | Cravo Equipment Ltd. | Curtain system |
| US5443923 | 14 Oct 1992 | 22 Ago 1995 | Roll-Screens, Inc. | Paper/plastic composite sheet and method of manufacturing |
| US5467266 | 3 Sep 1991 | 14 Nov 1995 | Lutron Electronics Co., Inc. | Motor-operated window cover |
| US5735328 | 17 Oct 1996 | 7 Abr 1998 | | Window shade system with multiple, sequentially connected window shading elements |
| US6094306 | 13 Abr 1993 | 25 Jul 2000 | Anvik Corporation | Energy efficient window |
| US6142210 | 18 Nov 1998 | 7 Nov 2000 | Suntex, Ltd. | Multilayered integral type curtain |
| US6601634 | 16 Dic 2000 | 5 Ago 2003 | | Illuminating window cover |
| US6636370 | 21 Ago 1998 | 21 Oct 2003 | PPG Industries Ohio, Inc. | Windshield for head-up display system |
| US7360575 | 30 May 2002 | 22 Abr 2008 | | Roller blind system |
