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PERROTT C H INC

Overview
  • Total Patents
    14
About

PERROTT C H INC has a total of 14 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Canada and United States. Its main competitors in its focus markets machines, civil engineering and mechanical elements are NEWTON ALBERT S, WATTS INVEST COMPANY and BLETCHER RALPH E.

Patent filings in countries

World map showing PERROTT C H INCs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 6

Patent filings per year

Chart showing PERROTT C H INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perrott Charles H 14
#2 Dowdican Frank W 4

Latest patents

Publication Filing date Title
US5797419A Sewer line trap priming assembly and antisiphoning conduit component therefor
US5678588A Sewer line multiple trap priming system and method
US5263508A Sewer line water trap charging valve with improved adjustment for house line pressure changes
US5253670A Multiple drain trap primer valve assembly for sewer lines
CA2030094A1 Water hammer arrester plumbing assembly for washing machines
US4926897A Automatic fluid pressure equalizing valve
CA1307992C Toilet tank-actuated drain trap primer assembly
US4712574A Vacuum-breaking valve for pressurized fluid lines