Inventor · disambiguated record
Joseph Powell Chapin
Also filed as: CHAPIN JOSEPH · CHAPIN JOSEPH POWELL
4 granted patents·53 citations·filing 1975–2012
74Inventor score
Top patents by PatentIndex Score
4 records- 0180US3999534AGas operated rifleBANGOR PUNTA OPERATIONS INC·Filed 1975·Granted Dec 28, 1976·38 cites·2 claims
- 0273US8181831B2Container and associated dispenser for liquid materialsCHAPIN JOSEPH POWELL·Filed 2009·Granted May 22, 2012·9 cites·10 claims
- 0361US7481138B1Adjustable bit tool for driving screwdriver screws and boltsCHAPIN JOSEPH POWELL·Filed 2008·Granted Jan 27, 2009·6 cites·15 claims
- 0445US8727184B2Container and associated dispenser for liquid materialsCHAPIN JOSEPH POWELL·Filed 2012·Granted May 20, 2014·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →