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PROTOTECH CO

Overview
  • Total Patents
    113
About

PROTOTECH CO has a total of 113 patent applications. Its first patent ever was published in 1962. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets environmental technology, surface technology and coating and electrical machinery and energy are LEDDY JOHNA, SUN CATALYTIX CORP and DE NORA SPA.

Patent filings per year

Chart showing PROTOTECH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen Robert J 46
#2 Juda Walter 34
#3 Petrow Henry G 21
#4 Lindstrom Robert 19
#5 Bar-Ilan Amiram 12
#6 Juda W 5
#7 Allen R J 4
#8 Allen R 3
#9 Robaato Jiei Aren 2
#10 Lindstrom Robert W 2

Latest patents

Publication Filing date Title
US5431887A Flame arresting and contaminant-adsorbing filter apparatus and method in the catalytic abatement of broiler emissions
JPH03199711A Vibration elimination method and device for rotary machine using magnetic bearing
US4900712A Catalytic washcoat and method of preparation of the same
US4647359A Electrocatalytic gas diffusion electrode employing thin carbon cloth layer
US4661425A Lithium hydride anode for use in alkaline batteries
US4614575A Polymeric hydrogel-containing gas diffusion electrodes and methods of using the same in electrochemical systems
US4524094A Self-supporting catalytic sleeve formed of interwoven loosely packed multi-fiber strands for receiving air-combustible gas mixtures for flameless catalytic combustion along the sleeve
US4478696A Ionizable reducing and oxidizing gaseous supply means and process for catalytic barriers and electrodes
US4422911A Method of recovering hydrogen-reduced metals, ions and the like at porous catalytic barriers and apparatus therefor
US4399185A Low pressure-drop catalytic mat and method of preparing the same
US4412894A Process for electrowinning of massive zinc with hydrogen anodes
US4331520A Process for the recovery of hydrogen-reduced metals, ions and the like at porous hydrophobic catalytic barriers
US4293396A Thin carbon-cloth-based electrocatalytic gas diffusion electrodes, and electrochemical cells comprising the same
US4248682A Carbon-cloth-based electrocatalytic gas diffusion electrodes, assembly and electrochemical cells comprising the same
CA1048601A Fuel cell electrodes with finely divided platinum catalyst
US4082699A Method of preparing catalytic structures from colloidal platinum compounds and such catalytic structures
US4059541A Platinum colloid sol and method of forming same
CA1058283A Fuel cell electrodes with finely divided platinum catalyst
CA1048990A Method of reducing carbon monoxide formation in catalytic heaters and burners and improved catalytic structure for use therewith
US4044193A Finely particulated colloidal platinum compound and sol for producing the same, and method of preparation of fuel cell electrodes and the like employing the same