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WALTER ERICH HEILMANN

Overview
  • Total Patents
    22
About

WALTER ERICH HEILMANN has a total of 22 patent applications. Its first patent ever was published in 1958. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets machines, consumer goods and machine tools are HEILMANN WALTER ERICH, POREPP HANS and LIGHTNING FASTENER CO LTD.

Patent filings in countries

World map showing WALTER ERICH HEILMANNs patent filings in countries
# Country Total Patents
#1 United Kingdom 8
#2 United States 5
#3 Germany 4
#4 Ireland 3
#5 Belgium 2

Patent filings per year

Chart showing WALTER ERICH HEILMANNs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hugo Wilcken 5
#2 Wilcken Dr Hugo 4
#3 Wilcken Hugo 3

Latest patents

Publication Filing date Title
GB982685A Improvements in or relating to sliding-clasp fasteners
US3147529A Coil fastener
GB889735A Improvements in or relating to sliding-clasp fasteners
US3052922A Coil winding device for helical filament sliding clasp fasteners
US3132380A Machine for manufacturing slide fastener member
US3047924A Sliding clasp fasteners
DE1104167B Device for winding a helical spring serving as a row of links for zippers
IE23818L Sliding clasp fasteners
IE23817L Improvements in or relating to helical thread sliding clasp¹fasteners
IE23819L Apparatus for coiling plastic filaments
GB916603A Apparatus for making helical coil sliding clasp fasteners
DE1126593B Machine for the production of rows of zipper links in the form of coil springs
DE1102670B Concealed coil spring zipper
DE1130585B Method and device for the production of a helical row of plastic links for a zipper
GB899246A Improvements in or relating to sliding-clasp fasteners