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DUEKER EISENWERK

Overview
  • Total Patents
    140
About

DUEKER EISENWERK has a total of 140 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets mechanical elements, furniture and games and materials and metallurgy are CONEX IPR LTD, CHOI YUK NAM and WALZ GEORG.

Patent filings per year

Chart showing DUEKER EISENWERKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Vorbeck Manfred 30
#2 Werner Ruediger 23
#3 Bergmann Karl-Heinz 17
#4 Imhof Erich 14
#5 Hain Winfried 12
#6 Marschall Klaus 12
#7 Ziegler Norbert 8
#8 Hardt Konrad 7
#9 Reinert Karl Albert 6
#10 Osenberg Frank 6

Latest patents

Publication Filing date Title
DE102007050344A1 Tube for guiding liquids and method for producing the same
DE102007016500A1 Enamel coating for a body
DE102007011607A1 Pipe connection for pieces of piping with units of pipes at risk of corrosion has a front protection, a connecting element and a sealing unit
DE102006050226A1 Method for characterizing a cast part produced using a casting mold comprises providing a molding with recesses in a characterization region formed on a molding surface
DE102006026190A1 Fire protection pipe joint for use in fire-heat proof pipe, has overlay arranged on side that is turned away from passage region of intermediate part, where overlay is made of material for forming rigid body
DE102006016238A1 Flanged joint, has lapped flange with lapped flange ring which is provided with thrust ring acts on sealing element and lapped flange ring with tensioning element is uptight against counter flange
EP1628057A1 Conduit arrangement and fitting
WO2005106299A1 Gate valve
DE19943806A1 Enamelled steel container comprises support ring at mouth which can be closed using sliding valve which cooperates with sealing sleeve, support ring having section of increasing diameter which forms seal with inner surface of sleeve
DE19903023C1 Whirlpool bath with incorporated fragrance dosing device has required fragrance delivered via controlled operation of magnetic valve and non-return valve associated with each fragrance line
DE19709759C1 Massager
DE19602807A1 Shower partition with sliding or swiveling partitions
DE19541466A1 Supporting device on bathtubs or shower trays for cladding elements
AU2176995A Tension-resisting pipe connection and method of making same
DE19511233A1 bathtub
JPH07151276A Insertion type sleeve coupling stable for shearing
DE4404650C1 Cast iron or steel fitting or tube
DE4326504A1 Sliding door, especially for shower cubicles
CH690748A5 Hot tub arrangement.
DE4302215C1 Thrust-protected push-in joint