Inventor · disambiguated record
David Wightman
Also filed as: WIGHTMAN DAVID · WIGHTMAN DAVID A
20 granted patents·4 pending applications·320 citations·filing 1999–2016
95Inventor score
Top patents by PatentIndex Score
24 records- 0191US6393851B1Vapor compression systemXDX LLC·Filed 2000·Granted May 28, 2002·57 cites·6 claims
- 0289US6397629B2Vapor compression system and methodXDX LLC·Filed 2000·Granted Jun 4, 2002·39 cites·35 claims
- 0388US6581398B2Vapor compression system and methodXDX INC·Filed 2001·Granted Jun 24, 2003·38 cites·22 claims
- 0474US9879899B2Surged heat pump systems and methodsXDX GLOBAL LLC·Filed 2015·Granted Jan 30, 2018·2 cites·20 claims
- 0574US6951117B1Vapor compression system and method for controlling conditions in ambient surroundingsXDX INC·Filed 2000·Granted Oct 4, 2005·18 cites·18 claims
- 0674US6389825B1Evaporator coil with multiple orificesXDX LLC·Filed 2000·Granted May 21, 2002·21 cites·18 claims
- 0773US6401471B1Expansion device for vapor compression systemXDX LLC·Filed 2001·Granted Jun 11, 2002·14 cites·8 claims
- 0873US6185958B1Vapor compression system and methodXDX LLC·Filed 1999·Granted Feb 13, 2001·28 cites·35 claims
- 0972US6401470B1Expansion device for vapor compression systemXDX LLC·Filed 2000·Granted Jun 11, 2002·14 cites·15 claims
- 1070US6915648B2Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systemsXDX INC·Filed 2002·Granted Jul 12, 2005·17 cites·55 claims
- 1169US9057547B2Surged heat pump systemsWIGHTMAN DAVID·Filed 2012·Granted Jun 16, 2015·1 cites·30 claims
- 1269US6857281B2Expansion device for vapor compression systemXDX LLC·Filed 2001·Granted Feb 22, 2005·17 cites·37 claims
- 1362US10060662B2Surged heat pump systems and methods of defrosting an evaporatorXDX GLOBAL LLC·Filed 2016·Granted Aug 28, 2018·0 cites·13 claims
- 1462US9127870B2Surged vapor compression heat transfer systems with reduced defrost requirementsWIGHTMAN DAVID·Filed 2010·Granted Sep 8, 2015·1 cites·50 claims
- 1559US6751970B2Vapor compression system and methodXDX INC·Filed 2002·Granted Jun 22, 2004·10 cites·38 claims
- 1657US10288334B2Surged vapor compression heat transfer systems with reduced defrost phase separatorXDX GLOBAL LLC·Filed 2015·Granted May 14, 2019·0 cites·13 claims
- 1757US6314747B1Vapor compression system and methodXDX LLC·Filed 1999·Granted Nov 13, 2001·16 cites·41 claims
- 1855US7225627B2Vapor compression system and method for controlling conditions in ambient surroundingsXDX TECHNOLOGY LLC·Filed 2004·Granted Jun 5, 2007·8 cites·28 claims
- 1952US2007220911A1Vapor compression system and method for controlling conditions in ambient surroundingsXDX TECHNOLOGY LLC·Filed 2007·Application pending·0 cites
- 2050US7152415B2Refrigerated compartment with controller to place refrigeration system in sleep-modeCARRIER COMM REFRIGERATION INC·Filed 2004·Granted Dec 26, 2006·9 cites·25 claims
- 2145US6644052B1Vapor compression system and methodXDX LLC·Filed 1999·Granted Nov 11, 2003·10 cites·30 claims
- 2240US2005092002A1Expansion valves, expansion device assemblies, vapor compression systems, vehicles, and methods for using vapor compression systemsFiled 2004·Application pending·0 cites
- 2337US2002157416A1Vapor compression system and methodXDX LLC·Filed 2002·Application pending·0 cites
- 2437US2003126873A1Vapor compression system and methodXDX LLC·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →