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DIDIER WERKE AG

Overview
  • Total Patents
    3,559
About

DIDIER WERKE AG has a total of 3,559 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets materials and metallurgy, thermal processes and basic materials chemistry are MARTIN & PAGENSTECHER GMBH, CHOSUN REFRACTORIES CO LTD and SANAC SPA.

Patent filings per year

Chart showing DIDIER WERKE AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Brueckner Raimund 203
#2 Grimm Daniel 189
#3 Rothfuss Hans 176
#4 Winkelmann Manfred 112
#5 Stein Hermann 106
#6 Luehrsen Ernst 105
#7 Eschner Axel 94
#8 Hintzen Ullrich 94
#9 Muschner Udo 93
#10 Bruckner Raimund 62

Latest patents

Publication Filing date Title
DE10108843A1 Cooled coaxial cable has insulating distance pieces for inner conductor, coaxial outer conductor and outer cladding that define free volumes which can carry flow of fluid, especially air
DE10041418C1 Outlet arrangement used for a vessel, e.g. an electric arc furnace for receiving a molten metal has a monolithic outlet body made from a refractory material coupled to the electromagnetic alternating field of an inductor
DE10035097A1 Immersion heating element used for changing, maintaining and/or comparing the bath temperature of a molten metal comprises an inner inductor arranged in a refractory casing having a flat cross-section and closed on its base
DE10006939C1 Annular insert for sliding plates in metallurgical installations contains matrix material made of magnesium oxide sinter, spinel or causter, zirconium mullite, carbon, and additive which limits the oxidation of carbon
DE10005426A1 Refractory ceramic plate and associated wall structure for an incinerator
DE10002872A1 Refractory ceramic body used for regulating the amount of molten metal flowing from a melt vessel comprises a refractory ceramic tubular body connected to an annular nozzle
DE19960717A1 Molten metal, especially steel, tapping channel of a furnace crucible has a bolt to cover the inlet in the crucible, a plug closure at the outlet, and an induction coil for heating the ceramic tapping channel wall
GB9927914D0 A refractory device with a pyroplastic interface zone which deforms at high temperatures
DE19949404C1 Refractory sliding plate for casting devices consists of two parts which extend to form a plate optionally via an intermediate joint
DE19925038A1 Method and device for heat repairing an outlet of an in particular metallurgical vessel
DE19924582A1 Coolable flexible conductor
DE19917851A1 Rotary valve plate
DE19912943C1 Ceramic perforated plate for in-feed of firing cavity, with recess let into each vertical side wall in built-in position of plate
DE19912944C1 Rubbish burning grate cheek sealing body is for steel lining of chamber in which grate is arranged, and is formed by steel plate supporting fireproof layer on chamber side
GB9906116D0 Refractory product
EP1082278A1 Ceramic composite body
EP0936010A1 Method and apparatus for pressure casting metals
DE19900074A1 Actuator at the outlet of a melt vessel
GB9828323D0 Refractory shield for use in metal teeming
DE19856992A1 Ceramic composite body