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WALTER ZIEHR

Overview
  • Total Patents
    17
About

WALTER ZIEHR has a total of 17 patent applications. Its first patent ever was published in 1951. It filed its patents most often in Germany, United Kingdom and United States. Its main competitors in its focus markets mechanical elements, measurement and textiles and paper are SANNOHASHI CORP, POPENOE CHARLES H and MODULUS CORP.

Patent filings in countries

World map showing WALTER ZIEHRs patent filings in countries
# Country Total Patents
#1 Germany 9
#2 United Kingdom 5
#3 United States 2
#4 Canada 1

Patent filings per year

Chart showing WALTER ZIEHRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Engelmann Walter 5
#2 Haas Eugen 3
#3 Laukhuf Paul 3
#4 Laukuf Paul 1
#5 Erwin Henschen 1
#6 Hagmann Waldemar 1
#7 Willy Zinser 1
#8 Ziehr Walter 1
#9 Eugen Haas 1
#10 Henschen Dr Rer Nat Erwin 1

Latest patents

Publication Filing date Title
GB868086A A clip device for nuts, bolts and like fasteners
GB865356A Improvements in or relating to apparatus for separating fibres from vegetable pulp
US2977640A Apparatus for obtaining filamentous material from vegetable products
US2979954A Recording compression gauge
GB761771A Improvements in or relating to nuts
GB730143A Improvements in or relating to the testing of the pressure in tyres
GB723818A Improved testing device for internal combustion engines
CA577152A Apparatus for separating filamentous material from vegetable pulp