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FLEISSNER & SOHN

Overview
  • Total Patents
    12
About

FLEISSNER & SOHN has a total of 12 patent applications. Its first patent ever was published in 1952. It filed its patents most often in Switzerland, France and Spain. Its main competitors in its focus markets chemical engineering, machines and textiles and paper are FLEISSNER & CO G M B H, REDMAN PROCESS INTERNATIONAL I and ANDREWS BERNARD R.

Patent filings in countries

World map showing FLEISSNER & SOHNs patent filings in countries
# Country Total Patents
#1 Switzerland 4
#2 France 3
#3 Spain 2
#4 United States 2
#5 Belgium 1

Patent filings per year

Chart showing FLEISSNER & SOHNs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering
#2 Machines
#3 Textiles and paper

Top inventors

# Name Total Patents
#1 Gerold Fleissner 5
#2 Hans Fleissner 2
#3 Fleissner Heinz Dr 1
#4 Hermann Steglich 1

Latest patents

Publication Filing date Title
US2835047A Method and apparatus for willow drying
ES215704A3 Improvements in the madejas dryers (Machine-translation by Google Translate, not legally binding)
ES209585A1 Procedure and device for drying matter of single fibers (Machine-translation by Google Translate, not legally binding)
US2919496A Sieve drum drying machine