Inventor · disambiguated record
Harry R. Charles
Also filed as: CHARLES HARRY R
9 granted patents·377 citations·filing 1980–1992
90Inventor score
Top patents by PatentIndex Score
9 records- 0194US4793867APhosphate coating composition and method of applying a zinc-nickel phosphate coatingCHEMFIL CORP·Filed 1986·Granted Dec 27, 1988·156 cites·6 claims
- 0284US5238506APhosphate coating composition and method of applying a zinc-nickel-manganese phosphate coatingCHEMFIL CORP·Filed 1992·Granted Aug 24, 1993·62 cites·7 claims
- 0383US4941930APhosphate coating composition and method of applying a zinc-nickel phosphate coatingCHEMFIL CORP·Filed 1988·Granted Jul 17, 1990·48 cites·6 claims
- 0481US4748049AClear paint booth coating composition and methodCHEMFIL CORP·Filed 1986·Granted May 31, 1988·48 cites·10 claims
- 0568US4699730AMagnesium sulfate and complex silicate mineral paint denaturantCHEMFIL CORP·Filed 1985·Granted Oct 13, 1987·22 cites·5 claims
- 0658US5223141AMethod for removing and recovering paint overspray in a water wash spray boothCHEMFIL CORP·Filed 1992·Granted Jun 29, 1993·22 cites·15 claims
- 0753US4330345APhosphate coating process and compositionCHEMFIL CORP·Filed 1980·Granted May 18, 1982·13 cites·10 claims
- 0832USH1299HAcid paint removerPPG INDUSTRIES INC·Filed 1991·Granted Apr 5, 1994·2 cites·13 claims
- 0932US5130046APaint stripping composition containing silica microparticles and polar co-thickening agentPPG INDUSTRIES INC·Filed 1989·Granted Jul 14, 1992·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →