John T. Bertva

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Colleyville, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Mounting bracket for a heat exchanger
- Patent number 5,487,422
- Issue date Jan 30, 1996
- Wynns Climate Systems, Inc.
- John T. Bertva
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of making a parallel flow condenser with lap joined headers
- Patent number 5,481,800
- Issue date Jan 9, 1996
- Wynn's Climate Systems, Inc.
- Scott L. Hutto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Two-piece header
- Patent number 5,450,896
- Issue date Sep 19, 1995
- Wynn's Climate Systems, Inc.
- John T. Bertva
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method for removing original type lubricant from air conditioning s...
- Patent number 5,415,003
- Issue date May 16, 1995
- John T. Bertva
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...