Inventor · disambiguated record
Gregory Ralph Harrod
Also filed as: HARROD GREGORY R · HARROD GREGORY RALPH
24 granted patents·9 pending applications·1,743 citations·filing 1994–2020
97Inventor score
Files withCATERPILLAR INC10YORK INT CORP9JOHNSON CONTROLS TECH CO8HARROD GREGORY RALPH5Johnson Controls Tyco IP Holdings LLP1
Top patents by PatentIndex Score
33 records- 0198US7562536B2Method and apparatus to sense and control compressor operation in an HVAC systemYORK INT CORP·Filed 2006·Granted Jul 21, 2009·66 cites·9 claims
- 0298US5631658AMethod and apparatus for operating geography-altering machinery relative to a work siteCATERPILLAR INC·Filed 1996·Granted May 20, 1997·264 cites·81 claims
- 0397US8219249B2Indoor air quality controllers and user interfacesHARROD GREGORY RALPH·Filed 2009·Granted Jul 10, 2012·317 cites·24 claims
- 0497US7451606B2HVAC system analysis toolJOHNSON CONTROLS TECH CO·Filed 2006·Granted Nov 18, 2008·120 cites·9 claims
- 0596US7849698B2Method and apparatus to sense and establish operation mode for an HVAC controlYORK INT CORP·Filed 2006·Granted Dec 14, 2010·92 cites·17 claims
- 0696US5991694AMethod and apparatus for determining the location of seedlings during agricultural productionCATERPILLAR INC·Filed 1998·Granted Nov 23, 1999·188 cites·21 claims
- 0792US7085626B2Method and apparatus to prevent low temperature damage using an HVAC controlYORK INT CORP·Filed 2004·Granted Aug 1, 2006·73 cites·20 claims
- 0891US8826165B2System status user interfacesHARROD GREGORY RALPH·Filed 2009·Granted Sep 2, 2014·47 cites·20 claims
- 0989US5850341AMethod and apparatus for monitoring material removal using mobile machineryCATERPILLAR INC·Filed 1994·Granted Dec 15, 1998·144 cites·66 claims
- 1088US8332075B2Transition temperature adjustment user interfacesHARROD GREGORY RALPH·Filed 2009·Granted Dec 11, 2012·17 cites·25 claims
- 1185US8346397B2Airflow adjustment user interfacesJOHNSON CONTROLS TECH CO·Filed 2009·Granted Jan 1, 2013·13 cites·20 claims
- 1281US5935183AMethod and system for determining the relationship between a laser plane and an external coordinate systemCATERPILLAR INC·Filed 1996·Granted Aug 10, 1999·99 cites·10 claims
- 1381US5546093ASystem and method for providing navigation signals to an earthmoving or construction machineCATERPILLAR INC·Filed 1995·Granted Aug 13, 1996·96 cites·18 claims
- 1480US5951613AApparatus and method for determining the position of a work implementCATERPILLAR INC·Filed 1996·Granted Sep 14, 1999·102 cites·3 claims
- 1572US5944764AMethod for monitoring the work cycle of earth moving machinery during material removalCATERPILLAR INC·Filed 1997·Granted Aug 31, 1999·35 cites·10 claims
- 1670US7299111B2Method of clearing an HVAC control fault code memoryJOHNSON CONTROLS TECH CO·Filed 2005·Granted Nov 20, 2007·3 cites·25 claims
- 1767US11994308B2Multi-factor furnace and heat pump control systemJohnson Controls Tyco IP Holdings LLP·Filed 2020·Granted May 28, 2024·0 cites·23 claims
- 1866US5864060AMethod for monitoring the work cycle of mobile machinery during material removalCATERPILLAR INC·Filed 1997·Granted Jan 26, 1999·29 cites·17 claims
- 1961US8011197B2Apparatus to sense and control compressor operation in an HVAC systemYORK INT CORP·Filed 2009·Granted Sep 6, 2011·0 cites·19 claims
- 2060US2009171862A1Energy control systemJOHNSON CONTROLS TECH CO·Filed 2008·Application pending·0 cites
- 2159US2008059833A1Hvac control panel for clearing fault code memoryJOHNSON CONTROLS TECH CO·Filed 2007·Application pending·0 cites
- 2257US2013066472A1Transition temperature adjustment user interfacesJOHNSON CONTROLS TECH CO·Filed 2012·Application pending·0 cites
- 2355US2006122733A1Method and apparatus to prevent low temperature damage using an HVAC controlYORK INT CORP·Filed 2006·Application pending·0 cites
- 2455US2012253523A1Indoor air quality controllers and user interfacesHARROD GREGORY RALPH·Filed 2012·Application pending·0 cites
- 2552US2007252493A1Cladding for air handling unit access panelsJOHNSON CONTROLS TECH CO·Filed 2006·Application pending·0 cites
- 2651US2012310418A1Hvac controller user interfacesHARROD GREGORY RALPH·Filed 2012·Application pending·0 cites
- 2745US6140959ASelf-calibrating GPS reference station and methodCATERPILLAR INC·Filed 1996·Granted Oct 31, 2000·20 cites·5 claims
- 2845US2007116442A1Air handler heat kit installation and mountingYORK INT CORP·Filed 2005·Application pending·0 cites
- 2942USD554243SPanel sections for an air handler doorYORK INT CORP·Filed 2006·Granted Oct 30, 2007·6 cites·1 claims
- 3041US2010251742A1Hvac&r system valvingJOHNSON CONTROLS TECH CO·Filed 2010·Application pending·0 cites
- 3139US6026341AMethod for detecting truck dump occurrencesCATERPILLAR INC·Filed 1997·Granted Feb 15, 2000·10 cites·17 claims
- 3231USD550338SPanel sections for an air handler doorYORK INT CORP·Filed 2006·Granted Sep 4, 2007·2 cites·1 claims
- 3326USD549809SPanel sections for an air handler doorYORK INT CORP·Filed 2006·Granted Aug 28, 2007·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →