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ROHCO INC

Overview
  • Total Patents
    39
About

ROHCO INC has a total of 39 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets surface technology and coating, basic materials chemistry and machines are COLUMBIA CHEM CORP, COVENTYA GMBH and TOUSETSU KK.

Patent filings in countries

World map showing ROHCO INCs patent filings in countries
# Country Total Patents
#1 United States 10
#2 France 9
#3 United Kingdom 7
#4 Canada 5
#5 Germany 4
#6 Japan 2
#7 Sweden 2

Patent filings per year

Chart showing ROHCO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eckles William E 11
#2 Guhde Donald J 5
#3 Canaris Valerie M 4
#4 Starinshak Thomas W 4
#5 Burdt Dale M 3
#6 Mcfarland Charles W 3
#7 Bishop Craig V 2
#8 Willis William J 2
#9 Eckles W E 2
#10 Lowery Richard K 2

Latest patents

Publication Filing date Title
US4347108A Electrodeposition of copper, acidic copper electroplating baths and additives therefor
US4351675A Conversion coatings for zinc and cadmium surfaces
GB2065704A Cadmium plating baths and methods for electrodepositing bright cadmium deposits
US4293391A Cadmium plating baths and methods for electrodepositing bright cadmium deposits
US4263059A Coating solutions of trivalent chromium for coating zinc and cadmium surfaces
US4270989A Cadmium plating baths and methods for electrodepositing bright cadmium deposits
JPS5589496A Acidic zinc plating bath and electrodepositing of bright zinc precipitate
GB2039299A Brightening and levelling agent for acid zinc plating baths
US4270988A Cadmium plating baths and methods for electrodepositing bright cadmium deposits
US4229268A Acid zinc plating baths and methods for electrodepositing bright zinc deposits
US4210500A Alkaline zinc electroplating bath and additive compositions therefor
US4326940A Automatic analyzer and control system for electroplating baths
GB1592747A Additive composition for acid zinc plating baths
US4188271A Alkaline zinc electroplating baths and additive compositions therefor