Inventor · disambiguated record
Frederick J. Keller, Jr.
Also filed as: KELLER FREDERICK J · KELLER FREDERICK JACOB · KELLER JR FREDERICK J
6 granted patents·103 citations·filing 1979–2006
82Inventor score
Top patents by PatentIndex Score
6 records- 0179US5167491AHigh to low side bypass to prevent reverse rotationCARRIER CORP·Filed 1991·Granted Dec 1, 1992·59 cites·7 claims
- 0276USD349565STop cover with discharge orifice for the outdoor unit of an air conditioning split systemCARRIER CORP·Filed 1993·Granted Aug 9, 1994·19 cites·1 claims
- 0364US8290722B2Method for determining refrigerant chargeSCHUSTER DON A·Filed 2006·Granted Oct 16, 2012·2 cites·14 claims
- 0452US6415543B2Automatic fishing rod device for jigging and trollingFiled 1999·Granted Jul 9, 2002·17 cites·26 claims
- 0532US5647533ARun time criteria to control indoor blower speedCARRIER CORP·Filed 1995·Granted Jul 15, 1997·6 cites·20 claims
- 0614USD263417SSelf-contained solid fuel boiler systemENERGY RESOURCE SYSTEMS INC·Filed 1979·Granted Mar 16, 1982·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →