Inventor · disambiguated record
Richard D. Kirsgalvis
Also filed as: KIRSGALVIS RICHARD · KIRSGALVIS RICHARD D
4 granted patents·1 pending application·112 citations·filing 1975–2003
79Inventor score
Technology areasB01D
Top patents by PatentIndex Score
5 records- 0179US3959137AFilter having an interior liquid displacement means, apparatus and methodFILTER SPECIALISTS·Filed 1975·Granted May 25, 1976·38 cites·6 claims
- 0267US5840188ASnap fit filter bag assemblyLE SAC CORP·Filed 1997·Granted Nov 24, 1998·41 cites·18 claims
- 0353US5441650AMethod and apparatus for a non-sealing filter elementLE SAC CORP·Filed 1993·Granted Aug 15, 1995·21 cites·8 claims
- 0438US6116429AFilter housing extension kitFiled 1999·Granted Sep 12, 2000·12 cites·7 claims
- 0536US2004217048A1Large diameter filter housing with flat cover and bottom and method of manufactureMICRON TECHNOLOGIES CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →