Inventor · disambiguated record
Roy Randall Crawford
Also filed as: CRAWFORD ROY · CRAWFORD ROY R · CRAWFORD ROY RANDALL
10 granted patents·6 pending applications·208 citations·filing 2004–2023
87Inventor score
Files withTRANE INT INC8Johnson Controls Tyco IP Holdings LLP2CRAWFORD ROY R1CRAWFORD ROY RANDALL1HELT ROBERT W1
Top patents by PatentIndex Score
16 records- 0194US8091375B2Humidity control for air conditioning systemCRAWFORD ROY R·Filed 2006·Granted Jan 10, 2012·168 cites·5 claims
- 0286US9115907B2Ventilation controllerTRANE INT INC·Filed 2014·Granted Aug 25, 2015·7 cites·20 claims
- 0385US11236762B2Variable geometry of a housing for a blower assemblyJOHNSON CONTROLS TECH CO·Filed 2019·Granted Feb 1, 2022·4 cites·15 claims
- 0482US8702482B2Ventilation controllerHELT ROBERT W·Filed 2004·Granted Apr 22, 2014·26 cites·22 claims
- 0578US11953216B2Ventilation controllerTRANE INT INC·Filed 2021·Granted Apr 9, 2024·0 cites·17 claims
- 0678US8961282B2Ventilation controllerTRANE INT INC·Filed 2014·Granted Feb 24, 2015·3 cites·20 claims
- 0765US12405024B2Heat pump control systems and methodsJohnson Controls Tyco IP Holdings LLP·Filed 2023·Granted Sep 2, 2025·0 cites·20 claims
- 0865US11199334B2Ventilation controllerTRANE INT INC·Filed 2018·Granted Dec 14, 2021·0 cites·12 claims
- 0957US2015253025A1Ventilation ControllerTRANE INT INC·Filed 2015·Application pending·0 cites
- 1055US2024053110A1Heat exchanger for hvac systemJohnson Controls Tyco IP Holdings LLP·Filed 2022·Application pending·0 cites
- 1144US10969123B2Control of residential HVAC equipment for dehumidificationTRANE INT INC·Filed 2017·Granted Apr 6, 2021·0 cites·13 claims
- 1244US9267717B2System and method of charge managementSAPP GARY LEE·Filed 2012·Granted Feb 23, 2016·0 cites·17 claims
- 1344US2013255294A1Charge Port For Microchannel Heat Exchanger SystemsCRAWFORD ROY RANDALL·Filed 2012·Application pending·0 cites
- 1442US2018195778A1Hybrid Residential Ground-Coupled Heat PumpTRANE INT INC·Filed 2017·Application pending·0 cites
- 1538US2017321907A1Dehumidifier for High Airflow Rate SystemsTRANE INT INC·Filed 2016·Application pending·0 cites
- 1634US2016004798A1Determining the performance of an environmental system using a predictive modelINGERSOLL RAND CO·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →