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WILLIAM WATERMAN

Overview
  • Total Patents
    22
About

WILLIAM WATERMAN has a total of 22 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and control are ANDERSON GREENWOOD LP, MASTAVALVE PTY LTD and SCARAMUCCI JOHN P.

Patent filings in countries

World map showing WILLIAM WATERMANs patent filings in countries
# Country Total Patents
#1 United States 18
#2 United Kingdom 4

Patent filings per year

Chart showing WILLIAM WATERMANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 William Waterman 8
#2 Thomas William W 4
#3 Hedland Harry A 3
#4 Stark Donald A 2
#5 Waterman Paul M 1
#6 Hedlend Harry A 1

Latest patents

Publication Filing date Title
US3060958A Flow regulators
US3015316A Counterbalance valves and the like
US3015341A Flow regulators
US2923277A Controls for adjusting stroke of hydraulic pistons and the like
US2845087A Modulating regulators
US2821209A Hydraulic fuses
US2800141A Flow regulators
US2772065A Hydraulic fuses
US2826216A Fluid metering valve
US2755814A Key means for orienting appliances in fluid lines and the like
US2592487A Metering fuse
US2592486A Hydraulic metering fuse
US2512190A Automatic cutoff device
US2512189A Protection of hydraulic systems
GB578803A Improvements in automatic cut-off valves
GB591805A Improvements in automatic cut-off devices for pipe lines
GB594066A Improvements in cut-off valves
GB569367A Improvements in cut-off devices for the automatic closing of a fluid line
US2354161A Automatic cutoff device
US2439118A Automatic cutoff device