Inventor · disambiguated record
William Perlman
Also filed as: PERLMAN WILLIAM · PERLMAN WILLIAM SAMUEL
7 granted patents·1 pending application·704 citations·filing 1978–2000
90Inventor score
Top patents by PatentIndex Score
8 records- 0190US5583576ARating-dependent parental lock-out for television receptionOKTV INC·Filed 1995·Granted Dec 10, 1996·286 cites·23 claims
- 0289US6125259AIntelligent and user friendly channel up/down controlOKTV INC·Filed 1996·Granted Sep 26, 2000·155 cites·9 claims
- 0384US5978792AMethod and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queriesIBM·Filed 1998·Granted Nov 2, 1999·69 cites·44 claims
- 0484US5758145AMethod and apparatus for generating dynamic and hybrid sparse indices for workfiles used in SQL queriesIBM·Filed 1995·Granted May 26, 1998·74 cites·15 claims
- 0582US4665990AMultiple-stage coal seam fracing methodPERLMAN WILLIAM·Filed 1985·Granted May 19, 1987·43 cites·30 claims
- 0680US4186802AFracing processPERLMAN WILLIAM·Filed 1978·Granted Feb 5, 1980·48 cites·23 claims
- 0763US4566539ACoal seam fracing methodPERLMAN WILLIAM·Filed 1984·Granted Jan 28, 1986·29 cites·34 claims
- 0843US2001032197A1System and process for transactional infrastructure for energy distributionFiled 2000·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →