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HASKEL ENG & SUPPLY CO

Overview
  • Total Patents
    22
About

HASKEL ENG & SUPPLY CO has a total of 22 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, Germany and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, machines and machine tools are BROWN WILLIAM SHERMAN, WILDEN PUMP AND ENGINEERING LLC and BAKER ABNER D.

Patent filings in countries

World map showing HASKEL ENG & SUPPLY COs patent filings in countries

Patent filings per year

Chart showing HASKEL ENG & SUPPLY COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kelly John W 7
#2 Hill David C 4
#3 Hayman Richard L 2
#4 Hill David 1
#5 C Hill David 1
#6 Driskel Don W 1
#7 Hill D C 1
#8 Kelly John William 1
#9 Hill David Cushing 1

Latest patents

Publication Filing date Title
US4407150A Apparatus for supplying and controlling hydraulic swaging pressure
US4387507A Method and apparatus for radially expanding tubes
US4359889A Self-centering seal for use in hydraulically expanding tubes
US4362324A Jointed high pressure conduit
FR2389061A1 Swaged connection for high pressure hydraulic pipes - uses grooves of trapezoidal cross-section to reduce stresses in hydraulically expanded pipe
US3963383A Air driven pump
GB1270026A Air driven motor
CA919503A Air driven pump
US3489100A Air driven fluid pump
GB1014571A Improvements relating to gas-driven liquid pumps
DE1263512B Gas-powered fluid pump
ES299077A1 Fluid pump powered by gas at pressure (Machine-translation by Google Translate, not legally binding)
US2622827A Mechanism for steering nose wheels of aircraft
US2689549A Derrick hydraulic ram