Joseph A. Pietsch

Person

Dallas, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Energy transfer system for refrigerator/freezer components
- Patent number 6,463,755
- Issue date Oct 15, 2002
- Edward R. Schulak
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy transfer system for refrigerator freezer components
- Patent number 6,230,514
- Issue date May 15, 2001
- Edward R. Schulak
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy transfer system for refrigerator/freezer components
- Patent number 5,964,101
- Issue date Oct 12, 1999
- Schulak; Edward R.
- Edward R. Schulak
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Energy transfer system for refrigerator/freezer components
- Patent number 5,937,662
- Issue date Aug 17, 1999
- Schulak; Edward R.
- Edward R. Schulak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Energy transfer system for refrigeration/freezer components
- Patent number 5,904,051
- Issue date May 18, 1999
- Schulak; Edward R.
- Edward R. Schulak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Energy transfer system for refrigerator/freezer components
- Patent number 5,816,063
- Issue date Oct 6, 1998
- Schulak; Edward R.
- Edward R. Schulak
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Dual source heat pump
- Patent number 4,336,692
- Issue date Jun 29, 1982
- Atlantic Richfield Company
- Amir L. Ecker
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump water heater
- Patent number 4,320,630
- Issue date Mar 23, 1982
- Atlantic Richfield Company
- Robert B. Uselton
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Energy transfer system for refrigerator/freezer components
- Publication number 20010015076
- Publication date Aug 23, 2001
- Edward R. Schulak
- F24 - HEATING RANGES VENTILATING

Joseph A. Pietsch

Person

Patents Grantslast 30 patents

Energy transfer system for refrigerator/freezer components

Energy transfer system for refrigerator freezer components

Energy transfer system for refrigerator/freezer components

Energy transfer system for refrigerator/freezer components

Energy transfer system for refrigeration/freezer components

Energy transfer system for refrigerator/freezer components

Dual source heat pump

Heat pump water heater

Patents Applicationslast 30 patents

Energy transfer system for refrigerator/freezer components