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HALL CO W E

Overview
  • Total Patents
    36
About

HALL CO W E has a total of 36 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, Canada and Australia. Its main competitors in its focus markets machines, machine tools and mechanical elements are COOPETANCHE SA, BRUGG ROHR AG and MANTARAY INNOVATIONS LTD.

Patent filings per year

Chart showing HALL CO W Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Andre James R 28
#2 Hall Robert E 11
#3 Lamar Clyde 4
#4 Leason J K 3
#5 Daniels Larry 1
#6 Carothers Paul A 1

Latest patents

Publication Filing date Title
AU4527197A Metal pipe with integrally formed liner and method of fabricating the same
BR9609777A Laminated metal tube, and, process for forming laminated metal tube.
US5607530A Polymer diverter system for metal pipe having an integrally formed polymer liner
WO9530854A1 Spirally wound metal pipe having radially extending lock seam
AU2286695A Fabricating steel pipe with an integrally formed liner
US5454402A Hydraulically efficient ribbed pipe having openings
NZ329821A Polymer laminate metal pipe comprises layer of polymer thermally bonded upon polmer/adhesive layer on interior surface
AU5676894A Polymer laminated metal, polymer laminated metal pipe and methods of fabricating the same
WO9513917A1 Metal pipe with integrally formed liner and method of fabricating the same
CA2176762A1 Metal pipe with integrally formed liner and method of fabricating the same
US5316606A Method of fabricating a metal pipe with an integrally formed liner
US5096206A Pipe joint sealer
CA1052414A Pipe coupling device
US4149740A Pipe coupling device
US4008592A Method and apparatus for flanging a length of spirally wound corrugated pipe
CA1028377A Pipe coupler