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ZINK CO JOHN

Overview
  • Total Patents
    954
About

ZINK CO JOHN has a total of 954 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets thermal processes, environmental technology and chemical engineering are VOLCANO CO LTD, WISDOM ENERGY TECHNOLOGY CO LTD and AIROIL FLAREGAS LTD.

Patent filings per year

Chart showing ZINK CO JOHNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reed Robert D 292
#2 Schwartz Robert E 110
#3 Zink John S 64
#4 Robaato Deii Riido 59
#5 Goodnight Hershel E 52
#6 Noble Roger K 38
#7 Zink John Smith 31
#8 Keller Michael R 26
#9 Goodnight Hershel 24
#10 Dinsmore Harold L 22

Latest patents

Publication Filing date Title
US6231334B1 Biogas flaring unit
US5951741A Hydrocarbon vapor recovery processes and apparatus
JPH11211077A Device and method for detecting flame
CA2226809A1 Flare apparatus and methods
US5813849A Flame detection apparatus and methods
US5345771A Process for recovering condensable compounds from inert gas-condensable compound vapor mixtures
US5238395A Low nox gas burner apparatus and methods
US5195884A Low NOx formation burner apparatus and methods
US5180302A Radiant gas burner and method
US5154596A Methods and apparatus for burning fuel with low NOx formation
US5154735A Process for recovering hydrocarbons from air-hydrocarbon vapor mixtures
US5098282A Methods and apparatus for burning fuel with low NOx formation
CA2021702A1 Improved process for recovering hydrocarbons from air-hydrocarbon vapor mixtures
US4952137A Flare gas burner
US4901652A Accumulating and conveying incinerator ash
US4870910A Waste incineration method and apparatus
US4922838A Thermal processor for solid and fluid waste materials
US4838184A Method and apparatus for disposing of landfill produced pollutants
US4902484A Oxygen injector means for secondary reformer
US4798150A Apparatus for handling ash