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WILLIAMS FIRE & HAZARD CONTROL INC

Overview
  • Total Patents
    39
About

WILLIAMS FIRE & HAZARD CONTROL INC has a total of 39 patent applications. Its first patent ever was published in 1995. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and Canada. Its main competitors in its focus markets civil engineering, machines and control are WILLIAMS DWIGHT P, PISTEK VACLAV and KOATSU CO LTD.

Patent filings per year

Chart showing WILLIAMS FIRE & HAZARD CONTROL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Williams Dwight P 29
#2 Crabtree Dennis W 7
#3 Spears Casey R 7
#4 Dwight P Williams 5
#5 Lavergne Eric 4
#6 Casey R Spears 4
#7 Mason Thomas E 3
#8 Brinkerhoff Duane J 3
#9 Williams Dwight 2
#10 Crabtree Dennis 1

Latest patents

Publication Filing date Title
WO2010134979A1 Apparatus and method for protecting storz fire fighting hose couplings
WO2008156522A2 Swirl methods for blanketing a tank with foam to combat fire or hazard, particularly for alcohols or the like
CA2577393A1 Improved extinguishing flammable liquid fire in an industrial storage tank
EP1660816A2 Dry chemical system for extinguishing difficult fuel or flammable liquid fires in an industrial tank with a roof creating a space above the liquid
AU2003299799A1 Improved method and apparatus for hazardous vapor suppression, fire prevention and/or fire extinguishment
US8033339B2 Around-the-pump additive system for industrial scale fire hazards
EP1163931A2 System for automatic self-proportioning of foam concentrate into fire fighting fluid variable flow conduit
US7784709B1 Fire fighting nozzle and method including pressure regulation, chemical and eduction features
AU7723500A Improved fire fighting nozzle and method including pressure regulation, chemicaland eduction features
US5566766A Method for extinguishing tank fires