Inventor · disambiguated record
Philip B. Knapp
Also filed as: KNAPP PHILIP B
9 granted patents·295 citations·filing 1974–1983
90Inventor score
Top patents by PatentIndex Score
9 records- 0193US4406406ALiquid metering and dispensing apparatusKNAPP PHILIP B·Filed 1981·Granted Sep 27, 1983·84 cites·9 claims
- 0289US3960292AApparatus for singulating and depositing seedsMINNESOTA MINING & MFG·Filed 1974·Granted Jun 1, 1976·49 cites·5 claims
- 0380US4340179ALawn and garden feeding apparatusKNAPP PHILIP B·Filed 1980·Granted Jul 20, 1982·53 cites·12 claims
- 0477US4545535ALiquid metering and dispensing apparatusKNAPP PHILIP B·Filed 1983·Granted Oct 8, 1985·42 cites·8 claims
- 0577US4051628AApparatus for the improved dispensing of plant nutrimentsHORTIGRO INC·Filed 1975·Granted Oct 4, 1977·34 cites·10 claims
- 0660USD245061SPlant feeding deviceHORTIGRO INC·Filed 1975·Granted Jul 19, 1977·7 cites·1 claims
- 0755US4027606APlanter apparatusMINNESOTA MINING & MFG·Filed 1975·Granted Jun 7, 1977·14 cites·5 claims
- 0848US4477960AMethod for making fertilizer cartridgeKNAPP PHILIP B·Filed 1981·Granted Oct 23, 1984·10 cites·3 claims
- 0931US4043148AUniversal drive jointKNAPP PHILIP B·Filed 1976·Granted Aug 23, 1977·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →