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MILWAUKEE VALVE

Overview
  • Total Patents
    32
About

MILWAUKEE VALVE has a total of 32 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets mechanical elements, machines and machine tools are FORSAC VALVES, HUNT VALVE CO INC and GOODWIN INTERNAT LTD.

Patent filings in countries

World map showing MILWAUKEE VALVEs patent filings in countries
# Country Total Patents
#1 United States 14
#2 Canada 9
#3 Mexico 4
#4 Italy 3
#5 Spain 1
#6 United Kingdom 1

Patent filings per year

Chart showing MILWAUKEE VALVEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roberts John L 13
#2 Robinson Bernie E 6
#3 Robinson Daniel T 6
#4 Heil Richard J 2
#5 Buechler Lawrence W 1
#6 Sachs Alfred L 1
#7 Heil Richard Joseph 1
#8 Johnson Henry L 1
#9 Radway Lawrie C 1
#10 Max Koenigsberg 1

Latest patents

Publication Filing date Title
CA2179851A1 Automatic return mechanism for quarter turn valves
US5579804A Tamper-proof handle extension for quarter turn valves
US5482251A Stem extension for quarter-turn valves
US5183073A Handle locking mechanism for quarter turn valves
US5014528A Tamper-proof locking mechanism for quarter turn valves
US4103866A Butterfly valve
US3981325A Tank truck vent system
US3999567A Tank truck safety valve
US3961405A Method of fabricating a butterfly valve
US4036469A Butterfly valve
US3902697A Butterfly valve
US3863889A Gate valve
CA963347A Tank truck safety valve
GB1117488A Improvements in or relating to valve assemblies
US3294115A Swing type check valve
US3240222A Check valve for fuel tank trucks and similar vehicles
US3082785A Automatic shut-off valve