Kidwell Environmental, Ltd., Inc.

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Centrifugal heat transfer engine and heat transfer systems embodyin...
- Patent number 6,334,323
- Issue date Jan 1, 2002
- Kidwell Environmental, Ltd., Inc.
- John Kidwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Centrifugal heat transfer engine and heat transfer systems embodyin...
- Patent number 6,321,547
- Issue date Nov 27, 2001
- Kidwell Environmental Ltd., Inc.
- John Kidwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Centrifugal heat transfer engine and heat transfer system embodying...
- Patent number 5,906,108
- Issue date May 25, 1999
- Kidwell Environmental, Ltd., Inc.
- John Kidwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Centrifugal heat transfer engine and heat transfer systems embodyin...
- Publication number 20030145616
- Publication date Aug 7, 2003
- Kidwell Environmental, Ltd., Inc.
- John Kidwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Centrifugal heat transfer engine and heat transfer systems embodyin...
- Publication number 20020092316
- Publication date Jul 18, 2002
- Kidwell Environmental, Ltd. Inc.
- John E. Kidwell
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Trademarklast 30 trademarks