Inventor · disambiguated record
William S. Clapham
Also filed as: CLAPHAM WILLIAM S · CLAPHAM WILLIAM STEPHAN
5 granted patents·114 citations·filing 1980–1994
83Inventor score
Top patents by PatentIndex Score
5 records- 0177US4657308AMineral cutter pickHALL & PICKLES LTD·Filed 1986·Granted Apr 14, 1987·46 cites·9 claims
- 0255US4261619ACutter picksHALL & PICKLES LTD·Filed 1980·Granted Apr 14, 1981·15 cites·16 claims
- 0349US5319855AMineral cutter tip and pickHYDRA TOOLS INT PLC·Filed 1992·Granted Jun 14, 1994·22 cites·2 claims
- 0447US5392870AMineral cutter tooling systemHYDRA TOOLS INT PLC·Filed 1993·Granted Feb 28, 1995·17 cites·10 claims
- 0541US5690392AWater supply system for a mining machineHYDRA TOOLS INT PLC·Filed 1994·Granted Nov 25, 1997·14 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →