Individual holder
KOFAHL WILLIAM M
4 granted patents·63 citations·filing 1979–1983
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0184US4257751APneumatically powered pumpKOFAHL WILLIAM M·Filed 1979·Granted Mar 24, 1981·42 cites·12 claims
- 0245US4377207ATubing anchorKOFAHL WILLIAM M·Filed 1981·Granted Mar 22, 1983·16 cites·9 claims
- 0327US4502535AJet engine pump and downhole heaterKOFAHL WILLIAM M·Filed 1983·Granted Mar 5, 1985·3 cites·2 claims
- 0427US4373873AHydrostatic and oil well pumpKOFAHL WILLIAM M·Filed 1981·Granted Feb 15, 1983·2 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →