Inventor · disambiguated record
David M. Berchowitz
Also filed as: BERCHOWITZ DAVID M
31 granted patents·5 pending applications·650 citations·filing 1981–2022
97Inventor score
Top patents by PatentIndex Score
36 records- 0195US7171811B1Multiple-cylinder, free-piston, alpha configured stirling engines and heat pumps with stepped pistonsGLOBAL COOLING BV·Filed 2005·Granted Feb 6, 2007·73 cites·19 claims
- 0292US6701721B1Stirling engine driven heat pump with fluid interconnectionGLOBAL COOLING BV·Filed 2003·Granted Mar 9, 2004·59 cites·22 claims
- 0392US6550255B2Stirling refrigeration system with a thermosiphon heat exchangerCOCA COLA CO·Filed 2001·Granted Apr 22, 2003·70 cites·53 claims
- 0492US6549408B2CPU cooling device using thermo-siphonGLOBAL COOLING BV·Filed 2001·Granted Apr 15, 2003·79 cites·2 claims
- 0591US8011183B2Resonant stator balancing of free piston machine coupled to linear motor or alternatorGLOBAL COOLING BV·Filed 2008·Granted Sep 6, 2011·22 cites·14 claims
- 0691US4649283AMulti-phase linear alternator driven by free-piston Stirling engineSUNPOWER INC·Filed 1985·Granted Mar 10, 1987·70 cites·11 claims
- 0783US10544978B2Energy efficient biological freezer with vial management systemGLOBAL COOLING INC·Filed 2016·Granted Jan 28, 2020·2 cites·6 claims
- 0881US5642622ARefrigerator with interior mounted heat pumpSUNPOWER INC·Filed 1995·Granted Jul 1, 1997·52 cites·32 claims
- 0981US5003777AAsymmetric gas springSUNPOWER INC·Filed 1990·Granted Apr 2, 1991·39 cites·10 claims
- 1080US8752375B2Free-piston stirling machine in an opposed piston gamma configuration having improved stability, efficiency and controlBERCHOWITZ DAVID M·Filed 2011·Granted Jun 17, 2014·6 cites·12 claims
- 1180US7692339B2Stirling cycle engineGLOBAL COOLING BV·Filed 2008·Granted Apr 6, 2010·10 cites·6 claims
- 1279US4395880ADouble acting stirling engine phase controlMECHANICAL TECH INC·Filed 1981·Granted Aug 2, 1983·30 cites·25 claims
- 1375US10775091B2Energy efficient biological freezer with vial management systemGLOBAL COOLING INC·Filed 2018·Granted Sep 15, 2020·0 cites·5 claims
- 1473US5988994AAngularly oscillating, variable displacement compressorGLOBAL COOLING MANUFACTURING C·Filed 1997·Granted Nov 23, 1999·34 cites·17 claims
- 1572US8713934B2Lubricant free, reduced mass, free-piston, Stirling machine having reciprocating piston drivingly linked to rotary electromagnetic transducer moving in rotational oscillationBERCHOWITZ DAVID M·Filed 2010·Granted May 6, 2014·3 cites·18 claims
- 1671US9587873B2Energy efficient biological freezer with vial management systemGLOBAL COOLING INC·Filed 2013·Granted Mar 7, 2017·1 cites·12 claims
- 1764US8615993B2Bearing support system for free-piston stirling machinesBERCHOWITZ DAVID M·Filed 2010·Granted Dec 31, 2013·2 cites·9 claims
- 1863US11976864B2Dynamic frequency tuning for driving a free-piston gamma-type Stirling heat-pump at minimum electrical power input or maximum thermal cooling power depending upon current thermal conditionsGLOBAL COOLING INC·Filed 2021·Granted May 7, 2024·0 cites·30 claims
- 1962US10329822B2Door latch with opening and closing mechanical advantageGLOBAL COOLING INC·Filed 2016·Granted Jun 25, 2019·1 cites·11 claims
- 2062US5457956AMicrominiature stirling cycle cryocoolers and enginesUNIV OHIO·Filed 1994·Granted Oct 17, 1995·37 cites·50 claims
- 2162US2017059226A1Energy efficient biological freezer with vial management systemGLOBAL COOLING INC·Filed 2016·Application pending·0 cites
- 2260US6991023B2Involute foil regeneratorSUNPOWER INC·Filed 2003·Granted Jan 31, 2006·5 cites·11 claims
- 2359US4387566AIndependently variable phase and stroke control for a double acting Stirling engineMECHANICAL TECH INC·Filed 1981·Granted Jun 14, 1983·15 cites·30 claims
- 2458US7075292B2Apparatus for determining free piston position and an apparatus for controlling free piston positionGLOBAL COOLING BV·Filed 2004·Granted Jul 11, 2006·10 cites·5 claims
- 2558US6422025B1Vibrationally isolated stirling cooler refrigeration systemCOCA COLA CO·Filed 2001·Granted Jul 23, 2002·9 cites·35 claims
- 2658US2017261238A1Vehicle and storage lng systemsGLOBAL COOLING INC·Filed 2017·Application pending·0 cites
- 2757US2014020408A1Vehicle and storage lng systemsGLOBAL COOLING INC·Filed 2013·Application pending·0 cites
- 2856US7073567B2Condenser evaporator and cooling deviceGLOBAL COOLING BV·Filed 2002·Granted Jul 11, 2006·8 cites·7 claims
- 2953US7784184B2Involute foil regenerator methodSUNPOWER INC·Filed 2005·Granted Aug 31, 2010·0 cites·1 claims
- 3053US4805408AStirling engine power regulation systemSUNPOWER INC·Filed 1987·Granted Feb 21, 1989·13 cites·11 claims
- 3153US2010299924A1Involute Foil RegeneratorSUNPOWER INC·Filed 2010·Application pending·0 cites
- 3245US12038214B2Method for improving gas bearing function at low thermal cooling powerGLOBAL COOLING INC·Filed 2022·Granted Jul 16, 2024·0 cites·14 claims
- 3344US11460325B2Method for and control system with piston amplitude recovery for free-piston machinesGLOBAL COOLING INC·Filed 2020·Granted Oct 4, 2022·0 cites·6 claims
- 3444US8671677B2Gamma type free-piston stirling machine configurationBERCHOWITZ DAVID M·Filed 2010·Granted Mar 18, 2014·0 cites·13 claims
- 3543US10718558B2Independent auxiliary thermosiphon for inexpensively extending active cooling to additional freezer interior wallsGLOBAL COOLING INC·Filed 2017·Granted Jul 21, 2020·0 cites·7 claims
- 3636US2005011632A1Regenerator, and heat regenerative system for fluidized gas using the regeneratorFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David M. Berchowitz files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →