Inventor · disambiguated record
Dave D. Nagel
Also filed as: NAGEL DAVE D
5 granted patents·1,062 citations·filing 1980–1981
87Inventor score
Top patents by PatentIndex Score
5 records- 0196US4620601AWell drilling tool with diamond thrust bearingsMAURER ENG·Filed 1981·Granted Nov 4, 1986·137 cites·18 claims
- 0296US4468138AManufacture of diamond bearingsMAURER ENG·Filed 1981·Granted Aug 28, 1984·402 cites·11 claims
- 0395US4410054AWell drilling tool with diamond radial/thrust bearingsMAURER ENG·Filed 1981·Granted Oct 18, 1983·448 cites·20 claims
- 0481US4324299ADownhole drilling motor with pressure balanced bearing sealsMAURER ENG·Filed 1980·Granted Apr 13, 1982·37 cites·15 claims
- 0579US4480510APowered ratchet wrenchGRATEC INC·Filed 1981·Granted Nov 6, 1984·38 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →