Inventor · disambiguated record
William M. Kofahl
Also filed as: KOFAHL WILLIAM M
6 granted patents·83 citations·filing 1979–1983
82Inventor score
Top patents by PatentIndex Score
6 records- 0184US4257751APneumatically powered pumpKOFAHL WILLIAM M·Filed 1979·Granted Mar 24, 1981·42 cites·12 claims
- 0254US4427348ADuplex hydraulic and air oil well pumpFLYING K EQUIPMENT SYSTEM INC·Filed 1981·Granted Jan 24, 1984·15 cites·9 claims
- 0345US4377207ATubing anchorKOFAHL WILLIAM M·Filed 1981·Granted Mar 22, 1983·16 cites·9 claims
- 0428US4401159AJet engine pump and downhole heaterFLYING K EQUIPMENT SYSTEM INC·Filed 1981·Granted Aug 30, 1983·5 cites·13 claims
- 0527US4502535AJet engine pump and downhole heaterKOFAHL WILLIAM M·Filed 1983·Granted Mar 5, 1985·3 cites·2 claims
- 0627US4373873AHydrostatic and oil well pumpKOFAHL WILLIAM M·Filed 1981·Granted Feb 15, 1983·2 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →