Learn more

LUK FAHRZEUG HYDRAULIK

Overview
  • Total Patents
    523
About

LUK FAHRZEUG HYDRAULIK has a total of 523 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets engines, pumps and turbines, transport and machines are SULLAIR EUROP CORP, ITO KAZUICHI and WUXI WOYO SUPERDO COMPRESSOR CO LTD.

Patent filings per year

Chart showing LUK FAHRZEUG HYDRAULIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Agner Ivo 82
#2 Hinrichs Jan 72
#3 Lauth Hans-Juergen 66
#4 Parsch Willi 63
#5 Weber Georg 52
#6 Obrist Frank 49
#7 Kuhn Peter 49
#8 Seipel Volker 46
#9 Koertge Randolf 37
#10 Nguyen Van Doan 35

Latest patents

Publication Filing date Title
WO2007054056A1 Pump
CN101163882A Axial piston motor and manufacturing method
WO2006114074A1 Hydraulic power steering system with charging valve and air cushion in the tank
DE102006001577A1 Pneumatic reciprocating motor includes piston with contact surface with coating which projects beyond same at end facing compression chamber to form sealing lip
DE102005056443A1 Positive displacement pump e.g. sliding vane pump has pump element e.g. rotor, which is arranged inside contour ring whereby coating is provided on one side face locally, on which contour ring lies
US2008031745A1 Axial piston machine
WO2006047986A1 Pump comprising a coated rotor
WO2006039891A1 Air-conditioning compressor or air conditioner
WO2006032234A1 Compressor
DE102005041422A1 Air-conditioning compressor for motor vehicle, has torque represented as parabolic function of valve input signal
CN101022986A Steering boost system
DE102005038985A1 Steering boost system for motor vehicle has steering boost pump and hydraulic steering boost system also serving as hydraulic system for gear mechanism
WO2006021180A1 Compressor
DE102005020231A1 An air conditioning system has heating and cooling circuits in parallel driven by a compressor in which the return flow from the cold circuit is controlled
DE102005020232A1 Pump, with a drive shaft and rotor, has meshing teeth at the shaft and rotor to key them together using teeth with an axial camber and which are radially off-center
WO2005108881A1 Air-conditioning compressor
DE102005019795A1 A compressor for air conditioning systems has an oil separator from which a small amount of compressed fluid is directed back to the compressor for cooling
DE102005019061A1 Slide valve, for use in pumps for power-assisted steering, has piston made from material with higher thermal expansion than casing
EP1705437A1 Oil supply method for an air conditioner compressor
DE102005009954A1 Hydraulic system for power steering of motor vehicle, has pump to deliver medium into accumulator by check valve that branches runback provided with bypass valve, which is selectively closed or opened to adjust pressure value in accumulator