Inventor · disambiguated record
Gerald L. Knief
Also filed as: KNIEF GERALD L · PETERSON JERRY D
8 granted patents·170 citations·filing 1975–1985
88Inventor score
Files withRITCHIE IND INC8
Top patents by PatentIndex Score
8 records- 0186US4248177AAnimal waterer with recirculating water systemRITCHIE IND INC·Filed 1979·Granted Feb 3, 1981·39 cites·22 claims
- 0280US4014365AValveRITCHIE IND INC·Filed 1975·Granted Mar 29, 1977·32 cites·2 claims
- 0376US4646687AAnimal watererRITCHIE IND INC·Filed 1985·Granted Mar 3, 1987·33 cites·17 claims
- 0463US4110603APlastic pipe heaterRITCHIE IND INC·Filed 1976·Granted Aug 29, 1978·24 cites·5 claims
- 0560US4633815AWaterer corner wear guardRITCHIE IND INC·Filed 1985·Granted Jan 6, 1987·20 cites·5 claims
- 0648US4078524AAnimal watering apparatusRITCHIE IND INC·Filed 1976·Granted Mar 14, 1978·12 cites·2 claims
- 0740USD257691SAnimal watererRITCHIE IND INC·Filed 1979·Granted Dec 23, 1980·2 cites·1 claims
- 0839US4185589AMethod and apparatus for heating a nipple valve livestock watererRITCHIE IND INC·Filed 1976·Granted Jan 29, 1980·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →