David L. Koesterer

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Belleville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Heat pumps with unequal cooling and heating capacities for climates...
- Patent number 9,328,946
- Issue date May 3, 2016
- Nortek Global HVAC, LLC
- Jie Chen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Heat pumps with unequal cooling and heating capacities for climates...
- Patent number 9,121,628
- Issue date Sep 1, 2015
- Nortek Global HVAC LLC
- Jie Chen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Defrosting a heat exchanger in a heat pump by diverting warm refrig...
- Patent number 8,869,545
- Issue date Oct 28, 2014
- Nordyne LLC
- Jie Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
HVAC control using discrete-speed thermostats and run times
- Patent number 8,011,199
- Issue date Sep 6, 2011
- Nordyne Inc.
- Jie Chen
- G05 - CONTROLLING REGULATING
Information Patent Grant
System and method for controlling an air conditioner or heat pump
- Patent number 7,784,296
- Issue date Aug 31, 2010
- Nordyne Inc.
- Yi Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
HEAT PUMPS WITH UNEQUAL COOLING AND HEATING CAPACITIES FOR CLIMATES...
- Publication number 20150321298
- Publication date Nov 12, 2015
- Nortek Global HVAC LLC
- Jie Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Defrosting A Heat Exchanger In A Heat Pump By Diverting Warm Refrig...
- Publication number 20140196484
- Publication date Jul 17, 2014
- NORDYNE LLC
- Jie Chen
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Defrosting A Heat Exchanger In A Heat Pump By Diverting Warm Refrig...
- Publication number 20140026601
- Publication date Jan 30, 2014
- NORDYNE LLC
- Jie Chen
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Application
Heat Pumps With Unequal Cooling and Heating Capacities for Climates...
- Publication number 20120090337
- Publication date Apr 19, 2012
- NORDYNE INC.
- Jie Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
SYSTEM AND METHOD FOR CONTROLLING AN AIR CONDITIONER OR HEAT PUMP
- Publication number 20080216500
- Publication date Sep 11, 2008
- NORDYNE INC.
- Yi Chen
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...