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GREER HYDRAULICS INC

Overview
  • Total Patents
    533
About

GREER HYDRAULICS INC has a total of 533 patent applications. Its first patent ever was published in 1944. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and machine tools are SUGIMURA KAZUO, TOURDELOS LTD and OLAER PATENT CO.

Patent filings per year

Chart showing GREER HYDRAULICS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zahid Abduz 115
#2 Greer Edward M 74
#3 Zahid A 57
#4 Jacobellis Alphonse A 22
#5 Jacobellis A A 14
#6 Abudouzu Zaido 10
#7 Jacobellis A 9
#8 M Greer Edward 7
#9 Greer Edward Maurice 7
#10 Allewitz Murry 6

Latest patents

Publication Filing date Title
BR8008192A Pressure vessel manufacturing process for use as a hydraulic accumulator
BR8008105A Improved pulse damping device for hydraulic systems
BR8008064A Low pressure accumulating device low cost and accumulating device manufacturing process
US4348792A Method of making low cost accumulator
DE3040053A1 HYDRO TANK
US4317472A Replaceable bladder accumulator device
US4344458A Accumulator device with improved bladder seal
US4307753A Wide frequency pulsation dampener device
US4299254A Pressure accumulator having a long life distensible bladder
US4280533A Low pressure, low cost accumulator
US4291726A Accumulator device having safety charging port
US4295492A Low cost accumulator device
US4274446A Low cost repairable accumulator
US4288894A Method of manufacturing pressure vessels by heat forming
US4298029A Pressure pulse dampener device
US4265274A Pulsation dampener for low output systems
US4295630A Fail-safe actuator and hydraulic system incorporating the same
US4273158A Pressure pulse dampening device
US4182377A Low cost accumulator device
US4181156A Pressure accumulator with anti-extrusion gas charging valve assembly