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MANN & HUMMEL FILTER

Overview
  • Total Patents
    2,666
About

MANN & HUMMEL FILTER has a total of 2,666 patent applications. Its first patent ever was published in 1942. It filed its patents most often in Germany, United States and EPO (European Patent Office). Its main competitors in its focus markets engines, pumps and turbines, chemical engineering and machines are MAHLE FILTERSYSTEME GMBH, COOPERS MECH JOINTS and K&N ENG INC.

Patent filings per year

Chart showing MANN & HUMMEL FILTERs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Klotz Arthur 216
#2 Leipelt Rudolf 191
#3 Ernst Volker 151
#4 Jainek Herbert 124
#5 Jessberger Thomas 105
#6 Sommer Bruno 100
#7 Mueller Heinz 97
#8 Luka Helmut 77
#9 Andress Heinz 74
#10 Erdmannsdoerfer Hans 73

Latest patents

Publication Filing date Title
US2003226792A1 Multilayer filter element
DE10300976A1 Centrifuge used for removing oil particles from crankcase ventilating gas comprises driven rotor for rotating fluid stream and having magnetic components
WO03051495A1 Method for the production of a hollow-fiber membrane module, device for the production of a hollow-fiber membrane module, and hollow-fiber membrane module
DE10256565A1 Fixing filter material to holder, used in production of liquid filter, involves welding housing lower part which is connected to holder to corresponding upper part using laser in same welding device
AU2002336707A8 Apparatus and method for separating ferrous and non-ferrous metal particles suspended in a liquid
JP2003262166A Noise transmission device
US2003051693A1 Intake manifold for internal combustion engine with integrated fuel rail
DE10224223A1 Filter element, in particular for filtering liquids from a gas stream
DE10224224A1 Filter element, in particular for filtering liquids
DE10222470A1 Filter element comprises a cylindrical supporting body, and a filter medium formed as a filter film and fixed to the supporting body so that relative movement between the supporting body and the filter medium is prevented
DE10220724A1 Filter element for cleaning a fluid flow
DE10218471A1 Electromagnetically actuated valve is used to vary the flow in a pipe or channel and has a pair of coils that provide bidirectional movement to change area
DE10215925A1 Pressure sensor for a motor vehicle particle filter comprises a deflecting membrane across which a differential pressure is applied and an optical barrier arrangement, which determines when membrane deflection exceeds a limit
DE10213939A1 Valve arrangement, in particular for the lubricating oil circuit of an internal combustion engine
DE10211875A1 Vibration welding method and tool for carrying it out
DE10211782A1 Bonding of a filter to a holder used to filter gases and fluids comprises securing the filter using a retainer and directing a laser beam through the filter to melt the holder material so that it penetrates the filter to bond it in place
DE10209180A1 Valve for opening and closing a pipe
WO02070903A1 Vacuum unit
DE10208600A1 Ölqualitätsmeßeinrichtung
DE10207444A1 Internal combustion engine