Inventor · disambiguated record
Charles H. Perrott
Also filed as: PERROTT CHARLES H
9 granted patents·306 citations·filing 1985–2001
90Inventor score
Top patents by PatentIndex Score
9 records- 0193US5253670AMultiple drain trap primer valve assembly for sewer linesPERROTT C H INC·Filed 1992·Granted Oct 19, 1993·105 cites·6 claims
- 0292US4712574AVacuum-breaking valve for pressurized fluid linesPERROTT C H INC·Filed 1987·Granted Dec 15, 1987·71 cites·5 claims
- 0374US4926897AAutomatic fluid pressure equalizing valvePERROTT C H INC·Filed 1989·Granted May 22, 1990·30 cites·3 claims
- 0464US4644972AFloating seal valve assemblyPRECISION PLUMBING PROD·Filed 1985·Granted Feb 24, 1987·22 cites·3 claims
- 0555US6325091B1Water distribution apparatus for multiple sewer drain trap primer systemsPREC PLUMBING PRODUCTS INC·Filed 2001·Granted Dec 4, 2001·9 cites·7 claims
- 0654US5385172APing-free water hammer arresterPRECISION PLUMBING PROD·Filed 1994·Granted Jan 31, 1995·25 cites·3 claims
- 0754US5263508ASewer line water trap charging valve with improved adjustment for house line pressure changesPERROTT C H INC·Filed 1993·Granted Nov 23, 1993·22 cites·8 claims
- 0840US5797419ASewer line trap priming assembly and antisiphoning conduit component thereforPERROTT C H INC·Filed 1996·Granted Aug 25, 1998·10 cites·8 claims
- 0937US5678588ASewer line multiple trap priming system and methodPERROTT C H INC·Filed 1996·Granted Oct 21, 1997·12 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →