|
| US4011474 | 19 déc. 1975 | 8 mars 1977 | PZ Technology, Inc. | Piezoelectric stack insulation |
| US4345437 | 14 juil. 1980 | 24 août 1982 | Mechanical Technology Incorporated | Stirling engine control system |
| US4350012 | 14 juil. 1980 | 21 sept. 1982 | Mechanical Technology Incorporated | Diaphragm coupling between the displacer and power piston |
| US4372115 | 5 juin 1981 | 8 févr. 1983 | Mechanical Technology Incorporated | Oil backed Stirling engine displacer diaphragm |
| US4380902 | 5 juin 1981 | 26 avr. 1983 | Mechanical Technology Incorporated | Sealed oil-backed displacer suspension diaphragm |
| US4387567 | 14 juil. 1980 | 14 juin 1983 | Mechanical Technology Incorporated | Heat engine device |
| US4387568 | 14 juil. 1980 | 14 juin 1983 | Mechanical Technology Incorporated | Stirling engine displacer gas bearing |
| US4408456 | 14 juil. 1980 | 11 oct. 1983 | Mechanical Technolgy Incorporated | Free-piston Stirling engine power control |
| US4418533 | 14 juil. 1980 | 6 déc. 1983 | Mechanical Technology Incorporated | Free-piston stirling engine inertial cancellation system |
| US4433279 | 20 févr. 1981 | 21 févr. 1984 | Mechanical Technology Incorporated | Free piston heat engine stability control system |
| US4442372 | 22 nov. 1982 | 10 avr. 1984 | Walton Energy Systems Co. | Piezo electric apparatus for generating electricity |
| US4532766 | 29 juil. 1983 | 6 août 1985 | | Stirling engine or heat pump having an improved seal |
| US4553059 | 26 sept. 1984 | 12 nov. 1985 | Nippon Soken, Inc. | Piezoelectric actuator and a piezoelectric pump injector incorporating the same |
| US4733121 | 14 oct. 1986 | 22 mars 1988 | | Solid state heat to electricity converter |
| US4751819 | 18 juin 1986 | 21 juin 1988 | | Gas compressor directly driven through heat input |
| US5039901 | 22 juin 1990 | 13 août 1991 | | Electric power source through steam transition |
| US5076056 | 1 août 1990 | 31 déc. 1991 | Allied Signal Inc. | Enhanced pneumatic brake system |
| US5115157 | 15 déc. 1989 | 19 mai 1992 | Technion Research & Development Foundation, Ltd. | Liquid sealed vane oscillators |
| US6490881 | 21 mars 2001 | 10 déc. 2002 | CSIR | Generating displacement and theroacoustic refrigerator |
| US7081699 | 26 mars 2004 | 25 juil. 2006 | The Penn State Research Foundation | Thermoacoustic piezoelectric generator |
| US7258533 | 30 déc. 2004 | 21 août 2007 | Adaptivenergy, LLC | Method and apparatus for scavenging energy during pump operation |
| US7772746 | 25 juil. 2006 | 10 août 2010 | The Penn State Research Foundation | Thermacoustic piezoelectric generator |
| US8096118 | 30 janv. 2009 | 17 janv. 2012 | | Engine for utilizing thermal energy to generate electricity |
