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KNECHT FILTERWERKE GMBH

Overview
  • Total Patents
    587
About

KNECHT FILTERWERKE GMBH has a total of 587 patent applications. Its first patent ever was published in 1948. It filed its patents most often in Germany, France and Austria. Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and environmental technology are SOGEFI FILTRATION SPA, MANN & HUMMEL GMBH and MANN+HUMMEL GMBH.

Patent filings per year

Chart showing KNECHT FILTERWERKE GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gebert Hans 75
#2 Moehle Rolf 50
#3 Schneider Horst 45
#4 Waibel Hans 36
#5 Brieden Thomas 28
#6 Widmann Sigbert 26
#7 Baumann Peter 26
#8 Sonntag Dietmar 24
#9 Jensen Hans 22
#10 Bruss Elke 21

Latest patents

Publication Filing date Title
DE19850379A1 Liquid filter frame has serrated edges minimizing the probability of local blockages
DE19846616A1 Installation for arrangement within fuel tank with pumps and filters for delivery and filtration of fuel fed to internal combustion engine with collection chamber situated above pumps and filters
DE19844874A1 Plate filter element for an air filter
DE19838247A1 Oil mist separator for internal combustion engine has return valve shutting off or opening passage of fluid flow through outlet depending upon pressure head value on cyclone side of valve
DE19819123A1 Exhaust gas feedback system in an IC engine
DE19816238A1 Stiffening strip for a filter element with zigzag folded filter sheet material
DE19813319A1 Ring-shaped plastic end plate made of polyamide for a ring filter
DE19813320A1 End plate for an annular, radially flowable filter
DE19806929A1 Seal, e.g. for combustion engine fuel filter
DE19804329A1 Liquid filter
DE19803083A1 Continuously operating backwash filter
DE19802622A1 Filtration of potentially explosive, dust-laden, air stream
DE19757251A1 Rotating fluid filter
DE19746751A1 Oil filter for use in IC engine
DE19739014A1 Filter device
DE19737729A1 Inlet manifold for internal combustion engine
DE19737247A1 Heat exchanger with several stacked heat exchanger plates
DE19730817A1 Plate-shaped filter element
DE19727369A1 Tubular filter element
US5956822A Snap-lock connection for two parts which can rotate in relation to each other