Inventor · disambiguated record
Arnold W. J. Grupping
Also filed as: GRUPPING ARNOLD W · GRUPPING ARNOLD W J · GRUPPING ARNOLD WILLEM J · GRUPPING ARNOLD WILLEM JOSEPHU
11 granted patents·605 citations·filing 1974–2002
92Inventor score
Top patents by PatentIndex Score
11 records- 0196US4243101ACoal gasification methodGRUPPING ARNOLD·Filed 1978·Granted Jan 6, 1981·340 cites·1 claims
- 0284US6302666B1Downhole roller vane motorFiled 2000·Granted Oct 16, 2001·24 cites·2 claims
- 0381US3961824AMethod and system for winning mineralsEEK WOUTER HUGO VAN·Filed 1974·Granted Jun 8, 1976·79 cites·12 claims
- 0480US5287926AMethod and system for underground gasification of coal or browncoalGRUPPING ARNOLD·Filed 1991·Granted Feb 22, 1994·85 cites·16 claims
- 0554US5733113ADownhole roller vane motor and roller vane pumpFiled 1994·Granted Mar 31, 1998·30 cites·14 claims
- 0645US6561777B2Downhole roller vane motor and roller vane pumpFiled 2001·Granted May 13, 2003·2 cites·6 claims
- 0745US4191266AProcess and installation for drilling holes in the earth's crust under freezing conditionsEEK WOUTER H VAN·Filed 1978·Granted Mar 4, 1980·15 cites·21 claims
- 0843US4808029ASystem for subterranean storage of energyGRUPPING ARNOLD·Filed 1987·Granted Feb 28, 1989·10 cites·7 claims
- 0942US6640910B2Long gauge roller vane drilling motorULTIDRILL B V·Filed 2002·Granted Nov 4, 2003·10 cites·5 claims
- 1038US4441554AMethod for the underground gasification of coal or browncoalGRUPPING ARNOLD·Filed 1981·Granted Apr 10, 1984·8 cites·11 claims
- 1124US4502539AMethod for the underground gasification of coal or browncoalGRUPPING ARNOLD W·Filed 1983·Granted Mar 5, 1985·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →