Siegfried J. Weigl

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St. Clair, MO, 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
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

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
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...