Individual holder
HILL WILLIAM L
4 granted patents·49 citations·filing 1976–2005
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0167US7069993B2Down hole oil and gas well heating system and method for down hole heating of oil and gas wellsHILL WILLIAM L·Filed 2004·Granted Jul 4, 2006·15 cites·7 claims
- 0261US7543643B2Down hole oil and gas well heating system and method for down hole heating of oil and gas wellsHILL WILLIAM L·Filed 2005·Granted Jun 9, 2009·8 cites·18 claims
- 0347US4046314AHandles for cardboard or corrugated paper boxesHILL WILLIAM L·Filed 1976·Granted Sep 6, 1977·14 cites·2 claims
- 0437US4999562AJumper terminal systemHILL WILLIAM L·Filed 1988·Granted Mar 12, 1991·12 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →