Fred L. Ptacek

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Joshua, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for cleaning air conditioning system
- Patent number 5,379,605
- Issue date Jan 10, 1995
- Wynn's Climate Systems, Inc.
- George R. Outlaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Dual refrigerant recovery apparatus with single vacuum pump and con...
- Patent number 5,353,603
- Issue date Oct 11, 1994
- Wynn's Climate Systems, Inc.
- George R. Outlaw
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Trapped air monitor for a refrigerant recovery unit
- Patent number 5,337,578
- Issue date Aug 16, 1994
- Wynn's Climate Systems, Inc.
- Fred L. Ptacek
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS