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SCHAEFER CHARLES F

Overview
  • Total Patents
    14
About

SCHAEFER CHARLES F has a total of 14 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States and Canada. Its main competitors in its focus markets surface technology and coating and textiles and paper are ROTOMEC COSTR MECC, RUXINGTON CORP NV and HEBEI ORIENT SUNDAR WINDOW CO.

Patent filings in countries

World map showing SCHAEFER CHARLES Fs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5

Patent filings per year

Chart showing SCHAEFER CHARLES Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schaefer Charles F 14

Latest patents

Publication Filing date Title
US3000347A Adhesive applying apparatus
US2827011A Adhesive applying apparatus
US2827010A Adhesive applying apparatus
US2774330A Coating machine
US2557696A Glue applying machine
US2506650A Gluing machine
US2493165A Margin gluing machine
US2571064A Mounting for stencil screens
US2382920A Stencil coating machine
CA493623A Margin gluing machines
CA557532A Gluing machines with adjustable contact between tank roller and gluing roller
CA567213A Coating machine with removable tank and roller assembly
CA495328A Gluing machines
CA511505A Mounting for stencil screen