Individual holder
WILLIAMS WILLIAM H
US·10 granted patents·356 citations·filing 1974–1994
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
10 records- 0186US5168599AWet and/or dry vacuum cleaning unitWILLIAMS WILLIAM H·Filed 1991·Granted Dec 8, 1992·63 cites·22 claims
- 0283US5347678AHead assembly for a vacuum cleaning apparatus having dual-individually floating headsWILLIAMS WILLIAM H·Filed 1993·Granted Sep 20, 1994·54 cites·29 claims
- 0382US4976003ACleaning apparatusWILLIAMS WILLIAM H·Filed 1990·Granted Dec 11, 1990·55 cites·11 claims
- 0476US5526547AWet and dry vacuum cleanerWILLIAMS WILLIAM H·Filed 1994·Granted Jun 18, 1996·44 cites·4 claims
- 0571US5189757AHead assembly for a vacuum cleaning apparatusWILLIAMS WILLIAM H·Filed 1991·Granted Mar 2, 1993·38 cites·20 claims
- 0671US5012549ASide loading dual pail wet vacuum with flow dividerWILLIAMS WILLIAM H·Filed 1990·Granted May 7, 1991·38 cites·7 claims
- 0754US5067584ALow cost replaceable type sound dampening unit for vacuum cleaning machineWILLIAMS WILLIAM H·Filed 1990·Granted Nov 26, 1991·24 cites·7 claims
- 0850US3940170AHand pinner and knee kickerWILLIAMS WILLIAM H·Filed 1974·Granted Feb 24, 1976·10 cites·1 claims
- 0948US5245930AEmergency life saving vehicleWILLIAMS WILLIAM H·Filed 1992·Granted Sep 21, 1993·12 cites·6 claims
- 1048US5054158AScrubbing machine/vacuum cleanerWILLIAMS WILLIAM H·Filed 1990·Granted Oct 8, 1991·18 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →