Inventor · disambiguated record
Duane D. Krohn
Also filed as: KROHN DUANE · KROHN DUANE D
15 granted patents·706 citations·filing 1974–2001
95Inventor score
Top patents by PatentIndex Score
15 records- 0196US4009971AElectric motor-driven, double-acting pump having pressure-responsive actuationBINKS MFG CO·Filed 1974·Granted Mar 1, 1977·80 cites·7 claims
- 0293US6390386B2Airless reversible spray tipDUROTECH COMPANY·Filed 2001·Granted May 21, 2002·80 cites·10 claims
- 0390US6264115B1Airless reversible spray tipDUROTECH COMPANY·Filed 1999·Granted Jul 24, 2001·80 cites·9 claims
- 0489US5076761ASafety drive circuit for pump motorGRACO INC·Filed 1990·Granted Dec 31, 1991·118 cites·9 claims
- 0588US4001935ARoving cutterBINKS MFG CO·Filed 1975·Granted Jan 11, 1977·55 cites·11 claims
- 0686US4397610AReciprocable pump with variable speed driveGRACO INC·Filed 1981·Granted Aug 9, 1983·44 cites·13 claims
- 0783US5292232ALiquid pump pressure control systemGRACO INC·Filed 1993·Granted Mar 8, 1994·42 cites·17 claims
- 0882US4081904ARoving cutterBINKS MFG CO·Filed 1976·Granted Apr 4, 1978·42 cites·6 claims
- 0980US5441297APower unit cartGRACO INC·Filed 1993·Granted Aug 15, 1995·57 cites·17 claims
- 1072US5346370APortable pumping system with generator powered clutch assemblyGRACO INC·Filed 1993·Granted Sep 13, 1994·30 cites·15 claims
- 1163US4652024ATelescoping handle and pressure liquid conduitGRACO INC·Filed 1986·Granted Mar 24, 1987·27 cites·9 claims
- 1256US4722230APressure gauge for high pressure flow through diaphragm pumpGRACO INC·Filed 1986·Granted Feb 2, 1988·15 cites·4 claims
- 1353US4692048APressure Roller ApplicatorGRACO INC·Filed 1986·Granted Sep 8, 1987·16 cites·11 claims
- 1446US4323741AMechanical deflection apparatus for sensing fluid pressureGRACO INC·Filed 1980·Granted Apr 6, 1982·9 cites·9 claims
- 1544US5513966AMisalignment compensating manifold for twin pumpsFiled 1995·Granted May 7, 1996·11 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →