Inventor · disambiguated record
D. George Field
Also filed as: FIELD D GEORGE
24 granted patents·916 citations·filing 1994–2013
97Inventor score
Top patents by PatentIndex Score
24 records- 0198US7513293B2Method and apparatus for directionally controlling a movable partitionWON DOOR CORP·Filed 2007·Granted Apr 7, 2009·50 cites·25 claims
- 0298US7478663B2Method, apparatus and system for directionally controlling a movable partitionWON DOOR CORP·Filed 2005·Granted Jan 20, 2009·59 cites·21 claims
- 0397US7845385B2Steerable trollies for movable partitions, partition systems including steerable trolleys, and methods of closing partitionsWON DOOR CORP·Filed 2009·Granted Dec 7, 2010·43 cites·12 claims
- 0497US6662848B2Automatic door and method of operating sameWON DOOR CORP·Filed 2002·Granted Dec 16, 2003·91 cites·24 claims
- 0596US7740046B2Method, apparatus and system for controlling a movable partitionWON DOOR CORP·Filed 2007·Granted Jun 22, 2010·33 cites·16 claims
- 0696US7737860B2Systems and methods for monitoring automatic doorsWON DOOR CORP·Filed 2007·Granted Jun 15, 2010·42 cites·25 claims
- 0794US8279565B2Methods and systems relating to overcurrent circuit protectionHALL DUANE O·Filed 2009·Granted Oct 2, 2012·42 cites·37 claims
- 0894US7066297B2Automatic door and method of operating sameWON DOOR CORP·Filed 2003·Granted Jun 27, 2006·55 cites·17 claims
- 0992US5526280AMethod and system for gas detectionATWOOD IND INC·Filed 1994·Granted Jun 11, 1996·116 cites·33 claims
- 1091US7190132B2Method and apparatus for motor control using relaysWON DOOR CORP·Filed 2005·Granted Mar 13, 2007·25 cites·22 claims
- 1190US5650054ALow cost room temperature electrochemical carbon monoxide and toxic gas sensor with humidity compensation based on protonic conductive membranesATWOOD IND INC·Filed 1995·Granted Jul 22, 1997·102 cites·65 claims
- 1287US8448688B2Method, apparatus and system for controlling a movable partitionGOODMAN E CARL·Filed 2010·Granted May 28, 2013·11 cites·34 claims
- 1387US5573648AGas sensor based on protonic conductive membranesATWOOD SYSTEMS AND CONTROLS·Filed 1995·Granted Nov 12, 1996·92 cites·78 claims
- 1486US8757238B2Method, apparatus and system for controlling a movable partitionWON DOOR CORP·Filed 2013·Granted Jun 24, 2014·9 cites·16 claims
- 1585US7782019B2Method and apparatus for battery-backed power supply and battery chargingWON DOOR CORP·Filed 2009·Granted Aug 24, 2010·21 cites·9 claims
- 1683US5632614AGas fired appliance igntion and combustion monitoring systemATWOOD IND INC·Filed 1995·Granted May 27, 1997·63 cites·39 claims
- 1782US8493033B2Method and apparatus for battery-backed power supply and battery chargingBANTA KEVIN D·Filed 2010·Granted Jul 23, 2013·12 cites·21 claims
- 1879US7050283B2Method and apparatus for protecting monitor circuit from fault conditionWON DOOR CORP·Filed 2002·Granted May 23, 2006·26 cites·40 claims
- 1978US8278862B2Motor control systems, foldable partitions employing motor control systems, methods of monitoring the operation of electric motors and foldable partitionsCOLEMAN W MICHAEL·Filed 2009·Granted Oct 2, 2012·9 cites·23 claims
- 2077US8115427B2Methods, systems, and devices for a motor control systemBANTA KEVIN D·Filed 2008·Granted Feb 14, 2012·7 cites·26 claims
- 2168US8522853B2Closure assemblies for fire doors, fire doors including such closure assemblies and methods of locking fire doorsCOLEMAN W MICHAEL·Filed 2009·Granted Sep 3, 2013·5 cites·20 claims
- 2258USRE45186ELow cost room temperature electrochemical carbon monoxide and toxic gas sensor with humidity compensation based on protonic conductive membranesSHEN YOUSHENG·Filed 2003·Granted Oct 14, 2014·3 cites·130 claims
- 2355US8368340B2Methods, systems, and devices for a motor control systemWON DOOR CORP·Filed 2012·Granted Feb 5, 2013·0 cites·25 claims
- 2447USRE45100EGas sensor based on protonic conductive membranesSHEN YOUSHENG·Filed 2003·Granted Sep 2, 2014·0 cites·88 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →