Inventor · disambiguated record
William D. Folsom
Also filed as: FOLSOM WILLIAM D
5 granted patents·3 pending applications·74 citations·filing 1998–2021
78Inventor score
Top patents by PatentIndex Score
8 records- 0167US6196246B1Freeze-resistant plumbing system in combination with a backflow preventerFiled 1999·Granted Mar 6, 2001·43 cites·7 claims
- 0259US5950653AHigh pressure relief valve for use with a backflow preventerFiled 1998·Granted Sep 14, 1999·23 cites·5 claims
- 0346US6431972B1Multiple plumbing vent apparatusHY TECH INV S INC·Filed 2001·Granted Aug 13, 2002·4 cites·14 claims
- 0445US2008092550A1Direct force instant hot water distribution systemFOLSOM WILLIAM D·Filed 2006·Application pending·0 cites
- 0542US6786815B1Apparatus for venting rooms with exhaust fansHY TECH INV S INC·Filed 2003·Granted Sep 7, 2004·4 cites·11 claims
- 0642US2006101562A1Closet flange bonding cylinderHY TECH INV S INC·Filed 2004·Application pending·0 cites
- 0738US2005077727A1Inside pipe bushingFiled 2003·Application pending·0 cites
- 0827USD1021012SCleanout plugFOLSOM WILLIAM D·Filed 2021·Granted Apr 2, 2024·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →