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WILHELM DOETSCH

Overview
  • Total Patents
    11
About

WILHELM DOETSCH has a total of 11 patent applications. Its first patent ever was published in 1952. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets textiles and paper are OTTING KARL, SHOEI MACHINERY MFG CO LTD and ASSIDOMAN IBEROAMERICANA SA.

Patent filings in countries

World map showing WILHELM DOETSCHs patent filings in countries
# Country Total Patents
#1 Germany 5
#2 United Kingdom 3
#3 United States 3

Patent filings per year

Chart showing WILHELM DOETSCHs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

Top inventors

# Name Total Patents
#1 Doetsch Wilhelm 5
#2 Wilhelm Doetsch 3

Latest patents

Publication Filing date Title
DE1120256B Method and device for the production of folding boxes
US2944470A Method and apparatus for the production of envelopes with gummed closing flaps
GB893863A Improvements in the manufacture of envelopes
GB792084A Manufacture of envelopes
US2920539A Manufacture of envelopes
US2791161A Method of and device for making letter envelopes
GB750922A Improvements in or relating to the manufacture of letter envelopes
DE946277C Method and machine for the production of envelopes and flat bags, as well as envelopes, folding bags or the like.