Inventor · disambiguated record
Fred L. Ptacek
Also filed as: PTACEK FRED L
3 granted patents·78 citations·filing 1993–1994
72Inventor score
Technology areasF25B
Files withWYNN S CLIMATE SYSTEMS INC3
Top patents by PatentIndex Score
3 records- 0181US5353603ADual refrigerant recovery apparatus with single vacuum pump and control meansWYNN S CLIMATE SYSTEMS INC·Filed 1994·Granted Oct 11, 1994·59 cites·9 claims
- 0242US5379605AMethod for cleaning air conditioning systemWYNN S CLIMATE SYSTEMS INC·Filed 1994·Granted Jan 10, 1995·15 cites·14 claims
- 0327US5337578ATrapped air monitor for a refrigerant recovery unitWYNN S CLIMATE SYSTEMS INC·Filed 1993·Granted Aug 16, 1994·4 cites·5 claims
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