Learn more

WALLIS BERNARD J

Overview
  • Total Patents
    202
About

WALLIS BERNARD J has a total of 202 patent applications. Its first patent ever was published in 1957. It filed its patents most often in United States, Canada and Japan. Its main competitors in its focus markets machine tools, machines and mechanical elements are WALLIS BERNARD, WALLIS B J and ARNT HERALD P.

Patent filings in countries

World map showing WALLIS BERNARD Js patent filings in countries

Patent filings per year

Chart showing WALLIS BERNARD Js patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wallis Bernard J 109
#2 Wallis Bernard Joseph 41
#3 Baanaado Jiyosefu Uoorisu 27
#4 Joseph Wallis Bernard 5
#5 Booth Douglas E 2
#6 Baanaado Jiyosefu Uarisu 1
#7 Bianchi Sabatino A 1
#8 Bernard Joseph Wallis 1

Latest patents

Publication Filing date Title
CN1099124A The preparation method of high pressure condenser
JPH0755377A Manufacture of high pressure condenser
US5318281A Self contained gas spring and die cylinder
US5193613A Heat exchanger header tube and method of making
US5314172A High pressure die cylinder and manifold system
US5261262A Method and apparatus for cutting corrugated webs having louvers
US5271151A Method of making a high pressure condenser
CA2055917A1 Gas die cylinders
US5172892A Self contained gas spring
US5138861A Method and apparatus for cutting corrugated webs
US5170627A Gas cylinder control system
US5235859A Control console for gas die cylinder systems
US5243889A Tube cut off machine
US5197718A Self-contained gas springs interchangeable with coil springs
CA2028573A1 Gas spring
US5014422A Method and apparatus for forming core assemblies
US5007817A Press with die cushion gas monitor
US5063801A Cut-off machine and method for tubing
US4971240A Method and apparatus for forming heat exchanger tubes
US5088698A Sealing construction for a gas spring