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INNAS FREE PISTON BV

Overview
  • Total Patents
    52
About

INNAS FREE PISTON BV has a total of 52 patent applications. Its first patent ever was published in 1992. It filed its patents most often in EPO (European Patent Office), Netherlands and United States. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and civil engineering are ANIDYNE CORP, CLARK GARRY E and LOO PIETER JOHAN VAN.

Patent filings in countries

World map showing INNAS FREE PISTON BVs patent filings in countries

Patent filings per year

Chart showing INNAS FREE PISTON BVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Achten Peter Augustinus Johann 41
#2 Potma Theodorus Gerhardus 12
#3 Achten Peter A J 9
#4 Potma Theodorus G 4
#5 Engel Maria Pauline 4
#6 Achten Peter Augustinius Johan 1
#7 Achten Pieter Augustinus Johan 1
#8 Fu Zhao 1

Latest patents

Publication Filing date Title
NL1018152C1 Hydraulic device.
NL1016827C1 Hydraulic device as a pump or a motor.
NL1016828C1 Swashplate hydraulic pump/motor with pumping chamber interconnection means to minimise pressure pulses
NL1016738C2 Swashplate hydraulic pump or motor with pumping chamber interconnection means
NL1016739C2 Swashplate hydraulic pump/motor with pumping chamber interconnection means to minimise pressure pulses
NL1016046C2 Hydraulic pressure transformer converts first oil flow with first pressure into second oil flow with second pressure by feeding or withdrawing oil with low pressure
NL1013996C2 Free piston unit for generating hydraulic energy.
WO9940318A1 Apparatus for executing activities assisted by hydromotors and a hydraulic transformer for use in such an apparatus
NL1009607C2 Adjustable face plate for hydraulic pressure transformer
NL1008256C2 Assembly for executing activities assisted by hydromotors
NL1006144C2 Hydraulic system with hydromotor controlled by a hydraulic transformer.
NL1006143C2 Hydraulic system with constant pressure in pressure line.
US6279517B1 Free piston engine provided with a purging air dosing system
US6116138A Pressure transformer
NL1000788C2 Hydraulic motor
NL9401232A Hydraulic switching valve, as well as a free piston motor provided with it.
NL9401231A Free piston motor.