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POWERS CHEMCO INC

Overview
  • Total Patents
    111
About

POWERS CHEMCO INC has a total of 111 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets optics, macromolecular chemistry and polymers and machines are POWERS CHEMCO, POWERS FRANK T and OPTI COPY INC.

Patent filings in countries

World map showing POWERS CHEMCO INCs patent filings in countries
# Country Total Patents
#1 United States 50
#2 United Kingdom 24
#3 Germany 21
#4 France 7
#5 Switzerland 4
#6 Austria 1
#7 Canada 1
#8 Finland 1
#9 Italy 1
#10 Japan 1

Patent filings per year

Chart showing POWERS CHEMCO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Anander Andrew K 18
#2 Schutt Norman C 16
#3 Flynn Floyd W 15
#4 Bjelland John L 10
#5 George Schwarz 6
#6 Powers Jr Augustin J 5
#7 Landsman Robert M 5
#8 Stanley Kallenbach 3
#9 Bjelland John Louis 3
#10 Pande K 3

Latest patents

Publication Filing date Title
US4792858A Optical scanning system having a rotatable platen assembly and method for loading same
US4813321A Film transport mechanism
US3881935A Photosensitive polymer composition
US4104071A Method for organizing and preparing photogenerated printing media
GB1353506A Copolymers of vinyl ester units
FR2151542A5 Photoresist compsn - comprising ester of polyvinyl alcohol and furoic acid or its deriv
DE2142242A1 Photoresist compsn - comprising ester of polyvinyl alcohol and furoic acid or its deriv
GB1325789A Solutions for forming photosensitive resists
US3690780A Vacuum actuated rotary drill
US3795640A Furfuryl,allyl and methylol acrylamide esters of polymeric acids
US3776889A Allyl carbamate esters of hydroxy-containing polymers
US3738973A Furoic acid esters of hydroxycontaining polymers
US3650761A Photosensitive resist
GB1101307A Film transfer and delivery apparatus for photomechanical cameras
GB1096507A Methods of producing photoresists
US3379436A Film transfer and delivery apparatus for photomechanical cameras
US3373644A Magazine for dispensing photographic film
US3377168A Photographic stripping film
GB1072223A Photomechanical camera
GB1058690A Photosensitive resist and coatings