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ZERN WARREN B

Overview
  • Total Patents
    26
About

ZERN WARREN B has a total of 26 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and civil engineering are LATHAM MACHINERY CO, SHERMAN WILLIS S and ADAMS JAMES D.

Patent filings in countries

World map showing ZERN WARREN Bs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Canada 1

Patent filings per year

Chart showing ZERN WARREN Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zern Warren B 26
#2 Mineral Sts 1
#3 Franklin Sts 1

Latest patents

Publication Filing date Title
US3278177A Corner clamping assembly for trim
US3348870A Slide fastener actuating devices
US3348869A Slide fastener actuating devices
US3278215A Slide fastener actuating device
US3342227A System for cutting trim members and door stops and assembling same
US3015348A System for assembling prehung doors and jambs
US2886860A Plural jamb construction with metal dowel
US2898956A Brake for electric hand tool
US2940485A Woodworking apparatus for cutting a miter on trim and door stops
US2949948A System for hanging doors
US2894333A Apparatus for routing hinge seats in doors and jambs having an integral stop
US2843940A Apparatus for routing hinge seats
US2966181A System for hanging doors
US2866271A Multiple point straight edge gauge
US2844175A Corner cutting tool with gauge
US2795249A Gauging device for hinge seat router bit
US2836209A Saw with gauge support
US2814219A Woodworking boring jig
US2801655A Hinge seat router woodworking apparatus
US2605791A Jig assembly and guide for locating door lock recesses