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HYDROPERFECT INT

Overview
  • Total Patents
    75
About

HYDROPERFECT INT has a total of 75 patent applications. Its first patent ever was published in 1970. It filed its patents most often in France, EPO (European Patent Office) and United States. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and electrical machinery and energy are HOBOURN EATON MFG CO LTD, JIANGSU GUORUI HYDRAULIC PRESSURE MACHINE CO LTD and PROJECT PHOENIX LLC.

Patent filings per year

Chart showing HYDROPERFECT INTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Laumont Roger 33
#2 Laumont R 6
#3 Grattery Didier 6
#4 Trintignac Christian 3
#5 Gallon Pierre 3
#6 Oishi Hiroshi 3
#7 Hamasaki Yoshiaki 3
#8 Lesther Nicaise 2
#9 Rojie Roomon 2
#10 Ouali Ismael 2

Latest patents

Publication Filing date Title
FR2772839A1 Fuel pump, especially gasoline, in particular for the direct injection of fuel into an internal combustion engine, electro-pump unit containing such a pump and automotive vehicle equipped with an electro-pump unit
FR2766526A1 Two-speed device for a hydraulic cylinder or hydraulic motor
FR2765848A1 Power steering device with hydraulic torque detection valve
FR2763652A1 Hydraulic pump and electric pump group equipped with this pump
FR2759758A1 Controlled flow drawer valve
FR2749886A1 Hydraulic pump with damping capacity
FR2738302A1 Compact electro-hydraulic group
FR2735534A1 High compaction electric motor and hydraulic pump assembly
FR2728313A1 Motor=driven pump, esp for automobile hydraulic systems
FR2681647A1 Hydraulic machine of the gear type with floating body.
EP0211723A1 Purely hydraulic action device for the hydrostatic compensation of hydraulic gear pumps and motors
FR2574517A1 Seal and its application to the realization of hydrostatic compensation of hydraulic pumps and motors
FR2563890A1 Safety device for the manual control of hydraulic mechanisms controlled by a solenoid valve
FR2543229A1 Device for hydrostatic compensation of gear type hydraulic pumps and motors
FR2522734A1 Electro-hydraulic unit and its application to the assistance of steering, braking, suspension and the like devices, particularly for vehicles
DE2536242A1 Gear type hydraulic pump or motor - has end plate sealing strips in grooves in bearing plates
ES440219A1 Gear hydraulic apparatus with indifferent rotation sense. (Machine-translation by Google Translate, not legally binding)
RO71976A Hydraulic aggregate with gears
CA1029243A Reversible gear pump or motor
GB1513436A Reversible hydraulic gear pumps and motors