Inventor · disambiguated record
Rajendra K. Shah
Also filed as: SHAH RAJENDRA · SHAH RAJENDRA K · SHAH RAJENDRA R
56 granted patents·11 pending applications·3,672 citations·filing 1987–2017
99Inventor score
Files withCARRIER CORP45GEN ELECTRIC5SHAH RAJENDRA K4JACOBUS PHARMACEUTICAL COMPANY INC2PURANEN CHRIS2
Top patents by PatentIndex Score
67 records- 0199US5592058AControl system and methods for a multiparameter electronically commutated motorGEN ELECTRIC·Filed 1992·Granted Jan 7, 1997·388 cites·74 claims
- 0298US6993414B2Detection of clogged filter in an HVAC systemCARRIER CORP·Filed 2003·Granted Jan 31, 2006·208 cites·11 claims
- 0398US5492273AHeating ventilating and/or air conditioning system having a variable speed indoor blower motorGEN ELECTRIC·Filed 1994·Granted Feb 20, 1996·233 cites·45 claims
- 0497US7360370B2Method of verifying proper installation of a zoned HVAC systemCARRIER CORP·Filed 2004·Granted Apr 22, 2008·169 cites·6 claims
- 0597US7212887B2Service and diagnostic tool for HVAC systemsCARRIER CORP·Filed 2004·Granted May 1, 2007·259 cites·26 claims
- 0697US5410230AVariable speed HVAC without controller and responsive to a conventional thermostatGEN ELECTRIC·Filed 1993·Granted Apr 25, 1995·195 cites·63 claims
- 0796US7775452B2Serial communicating HVAC systemCARRIER CORP·Filed 2004·Granted Aug 17, 2010·161 cites·29 claims
- 0896US7266960B2Single integrated humidity and ventilation control in an HVAC systemCARRIER CORP·Filed 2005·Granted Sep 11, 2007·86 cites·16 claims
- 0996US6070110AHumidity control thermostat and method for an air conditioning systemCARRIER CORP·Filed 1997·Granted May 30, 2000·191 cites·8 claims
- 1096US5006744AIntegrated electronically commutated motor and control circuit assemblyGEN ELECTRIC·Filed 1988·Granted Apr 9, 1991·185 cites·22 claims
- 1196US4978896AMethod and apparatus for controlling a blower motor in an air handling systemGEN ELECTRIC·Filed 1989·Granted Dec 18, 1990·155 cites·28 claims
- 1295US7243004B2Self-configuring controls for heating, ventilating and air conditioning systemsCARRIER CORP·Filed 2004·Granted Jul 10, 2007·122 cites·19 claims
- 1395US6678835B1State transition protocol for high availability unitsCIT ALCATEL·Filed 2000·Granted Jan 13, 2004·322 cites·15 claims
- 1493US7377450B2Control of multi-zone and multi-stage HVAC systemCARRIER CORP·Filed 2004·Granted May 27, 2008·85 cites·17 claims
- 1593US7308384B2Ordered record of system-wide fault in an HVAC systemCARRIER CORP·Filed 2004·Granted Dec 11, 2007·87 cites·22 claims
- 1693US7017827B2Method and system for automatically optimizing zone duct damper positionsCARRIER CORP·Filed 2004·Granted Mar 28, 2006·133 cites·28 claims
- 1791US7216016B2Failure mode for HVAC systemCARRIER CORP·Filed 2004·Granted May 8, 2007·69 cites·13 claims
- 1890US7036743B2Continuous fan control in a multi-zone HVAC systemCARRIER CORP·Filed 2004·Granted May 2, 2006·61 cites·26 claims
- 1989US7640077B2Detection of clogged filter in an HVAC systemCARRIER CORP·Filed 2005·Granted Dec 29, 2009·20 cites·26 claims
- 2088US6814773B2Expandable media filter assemblyCARRIER CORP·Filed 2001·Granted Nov 9, 2004·46 cites·8 claims
- 2187US6964174B2Method and system for determining relative duct sizes by zone in an HVAC systemCARRIER CORP·Filed 2004·Granted Nov 15, 2005·47 cites·9 claims
- 2286USD507976SControl deviceCARRIER CORP·Filed 2004·Granted Aug 2, 2005·33 cites·1 claims
- 2385US9759465B2Air conditioner self-charging and charge monitoring systemSCHUSTER DON A·Filed 2012·Granted Sep 12, 2017·7 cites·30 claims
- 2485US6981383B2Zone damper fault detection in an HVAC systemCARRIER CORP·Filed 2004·Granted Jan 3, 2006·44 cites·10 claims
- 2584US5454511AControlled setpoint recoveryCARRIER CORP·Filed 1994·Granted Oct 3, 1995·70 cites·19 claims
- 2683US6599343B2Method and apparatus for assembling an expandable and disposable media filterCARRIER CORP·Filed 2001·Granted Jul 29, 2003·39 cites·8 claims
- 2782US8738185B2Altitude adjustment for heating, ventilating and air conditioning systemsPURANEN CHRIS·Filed 2010·Granted May 27, 2014·11 cites·18 claims
- 2881US6592643B2Method and apparatus for assembling an expandable media filterCARRIER CORP·Filed 2001·Granted Jul 15, 2003·31 cites·11 claims
- 2979US7178350B2Determination of maximum allowable humidity in indoor space to avoid condensation inside building envelopeCARRIER CORP·Filed 2004·Granted Feb 20, 2007·28 cites·20 claims
- 3079US6638333B2Method and apparatus for assembling an expandable media filter with spacing ribbonsCARRIER CORP·Filed 2001·Granted Oct 28, 2003·28 cites·13 claims
- 3178US6652613B2Expandable media filter with flexible spacing ribbonsCARRIER CORP·Filed 2001·Granted Nov 25, 2003·38 cites·16 claims
- 3274US7836707B2Methods for detecting and responding to freezing coils in HVAC systemsCARRIER CORP·Filed 2006·Granted Nov 23, 2010·7 cites·15 claims
- 3372US9783497B1Determining degradation of 3,4-diaminopyridineJACOBUS PHARMACEUTICAL COMPANY INC·Filed 2016·Granted Oct 10, 2017·1 cites·8 claims
- 3472US9068771B2Method for automatically adjusting the defrost interval in a heat pump systemSHAH RAJENDRA K·Filed 2006·Granted Jun 30, 2015·6 cites·17 claims
- 3572US8037700B2Air conditioning system for low ambient coolingCARRIER CORP·Filed 2007·Granted Oct 18, 2011·6 cites·19 claims
- 3670US9501071B2Method and apparatus for establishing a set back temperature for an environmental control systemSHAH RAJENDRA K·Filed 2012·Granted Nov 22, 2016·3 cites·26 claims
- 3770US7679307B2Electronic method for starting a compressorCARRIER CORP·Filed 2006·Granted Mar 16, 2010·8 cites·20 claims
- 3867US9885508B2Discharge pressure calculation from torque in an HVAC systemCARRIER CORP·Filed 2012·Granted Feb 6, 2018·1 cites·17 claims
- 3967US9803883B2Environmental control systemFAN JUNQIANG·Filed 2012·Granted Oct 31, 2017·2 cites·18 claims
- 4067US7854388B2Method of verifying proper installation of a zoned HVAC systemCARRIER CORP·Filed 2007·Granted Dec 21, 2010·2 cites·6 claims
- 4165US7784290B2Refrigeration systems having diagnostic devicesCARRIER CORP·Filed 2007·Granted Aug 31, 2010·1 cites·23 claims
- 4265US6907745B2Heat pump with improved performance in heating modeCARRIER CORP·Filed 2003·Granted Jun 21, 2005·14 cites·20 claims
- 4363US10626088B2Determining degradation of 3,4-diaminopyridineJACOBUS PHARMACEUTICAL COMPANY INC·Filed 2017·Granted Apr 21, 2020·0 cites·7 claims
- 4463US10619903B2Discharge pressure calculation from torque in an HVAC systemCARRIER CORP·Filed 2017·Granted Apr 14, 2020·0 cites·7 claims
- 4560US8838277B2Systems and methods involving heating and cooling system controlSCHUSTER DON A·Filed 2010·Granted Sep 16, 2014·1 cites·16 claims
- 4660US7615726B2Identification of electric heater capacityCARRIER CORP·Filed 2006·Granted Nov 10, 2009·1 cites·3 claims
- 4758US7039300B2Identification of electric heater capacityCARRIER CORP·Filed 2003·Granted May 2, 2006·8 cites·13 claims
- 4857US10451296B2Environmental control system with anti-windup structureCARRIER CORP·Filed 2017·Granted Oct 22, 2019·0 cites·8 claims
- 4957US6131402AApparatus and method of operating a heat pump to improve heating supply air temperatureCARRIER CORP·Filed 1998·Granted Oct 17, 2000·21 cites·7 claims
- 5051US7813885B2Method and apparatus for measurement of AC voltages in an HVAC systemCARRIER CORP·Filed 2006·Granted Oct 12, 2010·1 cites·14 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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