Inventor · disambiguated record
Joel Chardonneau
Also filed as: CHARDONNEAU JOEL
5 granted patents·60 citations·filing 1975–1991
79Inventor score
Files withREALISATIONS IND DE L ATLANTIQ3D EXPLOIT ET DE RECH IND D APP1MARINE AND PETROLEUM EQUIPMENT1
Top patents by PatentIndex Score
5 records- 0167US5196770AVertically reciprocating constant power drive unit for raising a load step by stepMARINE AND PETROLEUM EQUIPMENT·Filed 1991·Granted Mar 23, 1993·41 cites·9 claims
- 0237US4063825APumping apparatus particularly for oil wellsREALISATIONS IND DE L ATLANTIQ·Filed 1975·Granted Dec 20, 1977·5 cites·5 claims
- 0337US4052907APumping device for wells, such as oil wellsREALISATIONS IND DE L ATLANTIQ·Filed 1976·Granted Oct 11, 1977·6 cites·7 claims
- 0431US4147477APumping apparatus particularly for oil wellsD EXPLOIT ET DE RECH IND D APP·Filed 1977·Granted Apr 3, 1979·4 cites·5 claims
- 0531US3959967AReciprocating apparatus particularly for pump unitREALISATIONS IND DE L ATLANTIQ·Filed 1975·Granted Jun 1, 1976·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →