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CHICAGO RAWHIDE MFG CO

Overview
  • Total Patents
    415
About

CHICAGO RAWHIDE MFG CO has a total of 415 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and transport are DOWTY SEALS LTD, SHAMBAN & CO W S and GARLOCK PACKING CO.

Patent filings in countries

World map showing CHICAGO RAWHIDE MFG COs patent filings in countries

Patent filings per year

Chart showing CHICAGO RAWHIDE MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Christiansen Keith W 22
#2 Szcupak Peter 16
#3 Jackowski Ronald A 13
#4 Mims Steve A 13
#5 Vedovell Rudolph J 12
#6 Romero Richard 11
#7 Peisker Glenn W 11
#8 Morley James P 11
#9 Reichenbach Jerry D 10
#10 Hatch Seymour A 10

Latest patents

Publication Filing date Title
US5244215A Rotary shaft seal with retractable excluder lip
US5176215A Composite drain plug
US5178017A Test fixture for measuring stiffness in flexible materials
US5183269A Unitized grit seal with removable thrust bumper
US5152538A Composite seal assembly
AU3585189A Unitized seals and methods
CA1268913A Mold assembly for making a composite resin seal
AU2273988A Composite seal assembly
US4934668A Unitary seal for gas pressure spring assembly
US4824357A Apparatus for manufacturing seal components
US4851176A Method of forming a fluid seal
US5183267A Seal for sending unit
US4738606A Mold assembly for forming a seal unit
US4616836A Reverse lip positive venting seal
US4643436A Fluid seals with unitary wear sleeve elements
US4689190A Method of and apparatus for molding a composite fluorocarbon helix seal
US4522411A Fluid seals with self-venting auxiliary lips
US4560177A Contoured shaft seal for high pressure applications
US4580962A Seal mold and method
US4613005A Unitized seal for severe service applications