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HENGST WALTER GMBH & CO KG

Overview
  • Total Patents
    192
About

HENGST WALTER GMBH & CO KG has a total of 192 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Germany, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and machines are NIPPON ROKAKI KK, HENGST SE & CO KG and HENGST SE.

Patent filings per year

Chart showing HENGST WALTER GMBH & CO KGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baumann Dieter 48
#2 Ardes Wilhelm 30
#3 Prinz Norbert 29
#4 Schumann Heiko 23
#5 Boehnke Christian 17
#6 Ahlborn Stephan 17
#7 Baumann Dieter Dipl Ing 15
#8 Pietschner Sieghard 14
#9 Busen Juergen 9
#10 Blomerius Harald 9

Latest patents

Publication Filing date Title
FR2830284A1 Fuel filter for motor vehicle internal combustion engine has inlet on one side and air vent valve with outlet connected to engine
DE10153120A1 Device for venting the crankcase of an internal combustion engine
WO0234359A1 Module of units for an internal combustion engine
BR0106708A Device for removing oil from the crankcase ventilation gases of an internal combustion engine
WO0185304A1 Filter and corresponding filter insert with direct sealing
DE10100311A1 Twin-valve combination component has outlet valve with control valve
BR0007734A Fluid filter with removable central component and additional retaining component
KR20020031576A Method for De-oiling Crankcase Ventilation Gases and Apparatus for Accomplishing the Method
BR0007048A Fluid filter with a central mountable component
WO0119491A1 Filter for liquids
BR0007088A Fluid filter with a discharge dome that is attached to the structure
WO0118362A1 Combination consisting of a main unit and of at least one external-mounted functional unit
DE10033639C1 Electroseparator, for engine, has central electrode with sections of different cross-section that gives corona and electrostatic deposition field with clean gas fed through center of larger cross-section hollow section
DE10033642C1 Electrical separator
DE10033166A1 Device for producing castings, with a wall that can be guided into the casting mold
DE10033165C1 Device and method for melting and conveying material
WO0056461A1 Electrodeposition device
DE19956478A1 Process and apparatus for making castings
DE19956479A1 Method and device for producing light metal pellets
EP1058953A1 Seal testable electric contact array