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COLLINS WILLIAM J

Overview
  • Total Patents
    51
About

COLLINS WILLIAM J has a total of 51 patent applications. Its first patent ever was published in 1921. 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 electrical machinery and energy are CHUN KUANG OPTICS CORP, PHILIPS ECLAIRAGE and DONGGUAN JIA SHENG LIGHTING TECH CO LTD.

Patent filings in countries

World map showing COLLINS WILLIAM Js patent filings in countries

Patent filings per year

Chart showing COLLINS WILLIAM Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Collins William J 47
#2 Collins William J Madison Stre 3
#3 Fiset Louis A 1
#4 Levine Robert E 1

Latest patents

Publication Filing date Title
WO2006086269A2 Hand held device and methods for examining a patient's retina
US5154507A Light with housing for linear lamp bulb
US4935853A Motion-controlled light with arc lamp
US4399986A Device for plugging a taphole in a furnace
US4338842A Sampler for molten material and entrance tube therefor
US4399713A Device for sampling molten material and means for operating same
US4380937A Sampler for a hot liquid
CA1161662A Sampler for molten metal and method with respect to a component thereof
US4338841A Entrance tube for a sampler for molten material
US4317380A Device for obtaining a sample of molten material and methods of assembling components thereof
US4297902A Sampler for molten material and a component thereof
US4250753A Molten material sampler
US4250754A Sampler for a hot liquid and connector therefor
CA1130606A Sampler for a hot liquid and connector therefor
CA1131049A Molten material sampler
US4118015A Device for sampling molten metal
CA1091031A Device and method for suppressing active slag
US4002074A Device and method for obtaining one or more samples of mollen metal
US4055086A Device and method for obtaining one or more samples of liquid
US4002073A Molten metal sampler