Inventor · disambiguated record
Douglas W. Bell
Also filed as: BELL DOUGLAS · BELL DOUGLAS B · BELL DOUGLAS W
17 granted patents·6 pending applications·250 citations·filing 1986–2018
94Inventor score
Files withCATERPILLAR INC7BELL DOUGLAS W4ALLIANCE MERCANTILE INC2HYDRO GEAR LP2HYDRO GEAR LTD PARTNERSHIP2
Top patents by PatentIndex Score
23 records- 0195US8950520B2Front steering module for a zero turn radius vehicleHAUSER RAYMOND·Filed 2008·Granted Feb 10, 2015·33 cites·21 claims
- 0290US8011678B1Steering system for a zero-turn radius vehicleHYDRO GEAR LTD PARTNERSHIP·Filed 2008·Granted Sep 6, 2011·22 cites·22 claims
- 0388US5989143AArrangement for lubricating a differential assembly of a work machineCATERPILLAR INC·Filed 1998·Granted Nov 23, 1999·45 cites·19 claims
- 0481US8262109B1Steering system for a zero-turn radius vehicleBELL DOUGLAS W·Filed 2012·Granted Sep 11, 2012·8 cites·19 claims
- 0575US8152183B1Steering system for a zero-turn radius vehicleBELL DOUGLAS W·Filed 2011·Granted Apr 10, 2012·6 cites·22 claims
- 0673US8307568B2Multilayer protective bootBELL DOUGLAS W·Filed 2008·Granted Nov 13, 2012·14 cites·2 claims
- 0770US6027423AArrangement for mounting a pinion gear within a housing of a differential assemblyCATERPILLAR INC·Filed 1998·Granted Feb 22, 2000·23 cites·15 claims
- 0867US10822021B2Electronic drive control system for a zero turn radius vehicleHYDRO GEAR LP·Filed 2018·Granted Nov 3, 2020·1 cites·20 claims
- 0966US6092628AApparatus and method for controlling temperature of fluid in a differential assemblyCATERPILLAR INC·Filed 1998·Granted Jul 25, 2000·27 cites·20 claims
- 1066US4774970ASmoking appliance and methodBELL DOUGLAS W·Filed 1986·Granted Oct 4, 1988·33 cites·17 claims
- 1164US6485389B1Mechanical differential gear assemblyCATERPILLAR INC·Filed 2000·Granted Nov 26, 2002·10 cites·19 claims
- 1253US6360840B1Apparatus and method for controlling temperature of fluid in a differential assemblyCATERPILLAR INC·Filed 2000·Granted Mar 26, 2002·7 cites·26 claims
- 1353US2009078216A1Method and apparatus for deterring animals using aperiodic noiseBELL DOUGLAS·Filed 2007·Application pending·0 cites
- 1452US6457502B1Dual tire pressure balance systemCATERPILLAR INC·Filed 2000·Granted Oct 1, 2002·5 cites·8 claims
- 1550US10035537B2Front steering module for a zero turn radius vehicleHYDRO GEAR LP·Filed 2015·Granted Jul 31, 2018·0 cites·18 claims
- 1643US2014349535A1Waterproof Breathable Trilobal Laminated Stretch FabricALLIANCE MERCANTILE INC·Filed 2014·Application pending·0 cites
- 1743US2006188343A1Method and apparatus for through rotary sub-sea pile-drivingBJ SERVICES CO·Filed 2006·Application pending·0 cites
- 1842US2007214762A1Walk behind sliding gear clutchHYDRO GEAR LTD PARTNERSHIP·Filed 2005·Application pending·0 cites
- 1939US5400889AClutch assembly with automatic oil level control systemAGCO CORP·Filed 1993·Granted Mar 28, 1995·6 cites·9 claims
- 2038US2017268138A1Trilobal Waterproof Breathable Laminated Stretch FabricALLIANCE MERCANTILE INC·Filed 2017·Application pending·0 cites
- 2135US6099088ATraction assembly for a work machineCATERPILLAR INC·Filed 1998·Granted Aug 8, 2000·8 cites·18 claims
- 2234US2005006105A1Method and apparatus for through rotary sub-sea pile-drivingFiled 2003·Application pending·0 cites
- 2331US5271049AGrid key for interior grid cellsB & W FUEL CO·Filed 1992·Granted Dec 14, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →