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CLARK RELIANCE CORP

Overview
  • Total Patents
    60
  • GoodIP Patent Rank
    221,835
  • Filing trend
    ⇩ 100.0%
About

CLARK RELIANCE CORP has a total of 60 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1961. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, machines and optics are RAPHAEL VALVES IND 1975 LTD, MCMILLAN CO and RHEOMETRON AG.

Patent filings per year

Chart showing CLARK RELIANCE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brown David E 20
#2 Purcel David E 14
#3 Colman Mark A 12
#4 Goellner Allan R 11
#5 Kett Michael J 10
#6 Lee Thomas 4
#7 Brown David P 4
#8 Winiasz Michael E 4
#9 Lee Thomas E 4
#10 Hebeisen Stephen P 4

Latest patents

Publication Filing date Title
US2017232376A1 Filtering system including impermeable extension for filtering element
US2016040787A1 Valve with different threads for preventing rotation of and locking bonnet within valve
WO2005029010A1 Liquid level indicator using lights
US7047806B2 Liquid level gage and illuminator therefor
WO0244657A2 Method for detecting faulty liquid level sensors
US6666086B2 Automatic boiler level controller
US5743137A Magnetic float assembly
US5647656A Illuminated fluid level indicator
BR9205468A Visual sanitary indicator
US5343826A Fluid indicator assemblies for sight flow apparatus
US5351036A Microwave-based point liquid level monitoring system
US5243929A Tubular sanitary sight indicator
US5249464A Sight flow apparatus with cartridge
US4507521A High pressure electrical conductivity probe
US4387733A Dual fulcrum steam trap
US4300719A Steam traps
US4276354A Steam traps or the like
US4292998A Pressure reducing valve
US4197877A Pressure reducing valve
US3720223A Seal construction for steam traps