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MANNESMANN ROEHREN WERKE AG

Overview
  • Total Patents
    941
About

MANNESMANN ROEHREN WERKE AG has a total of 941 patent applications. Its first patent ever was published in 1910. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets machine tools, mechanical elements and materials and metallurgy are ESCAUT ET MEUSE D, VALLOUREC LORRAINE ESCAUT and ESCAUT ET MEUSE SA D.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Gohres Hans-Werner 34
#2 Divjak Franz-Josef 27
#3 Jamm Wilhelm Dipl-Ing 18
#4 Wassen J 15
#5 Wassen Johann 15
#6 Asmus Norbert 15
#7 Knauf Gerhard 10
#8 Jamm Dipl-Ing Wilhelm 9
#9 Hoitz Paul 8
#10 Marewski Ulrich 8

Latest patents

Publication Filing date Title
DE102005022185A1 Method for determining macroscopic inclusions in metals
DE102004056957A1 Metallurgical vessel for the transport and treatment of molten metals
DE102004053112B3 Method and device for determining the thickness of a test specimen by means of ultrasound
DE102004050784B3 Method and bending press for bending the edge strips of a planar sheet to be formed into a slotted pipe
DE102004042303A1 Apparatus for ultrasonic testing of the weld seam of longitudinally welded pipes for longitudinal defects
DE102004027531B3 Coupling for metallurgical vessel, especially a steel casting ladle useful for connecting a metallurgical ladle to a gas scavenging line includes a pan-shaped first and second coupling part with two gas inlet channels and gas exit channels
DE102004011021A1 Process for the preparation of a shaped article of hypereutekoid steel
DE102004003522B3 Vessel for transporting molten metal comprises a casing made from two opposite-lying circular shell elements which are connected to each other in the region of supporting pins using straight connecting elements
DE102004003520B3 Support/transport roller with inner cooling, for hot metal strands at a continuous casting machine, has the journal keyed to the core and mantle to allow them a free expansion
DE102004004037A1 Process for increasing the service life of a refractory lining of a top blowing converter comprises emptying a large part of the slag into slag trays after tapping off, enriching with limestone, cooling and emptying the slag residue
DE102004004038B3 Process to manufacture fully-killed aluminium-steel by introduction of calcium carbonate
DE102004002529B3 Supporting and/or transport roller used in a continuous casting installation for transporting hot metal bodies comprises standardized constructional box modules consisting of bearing pins, a sleeve and a core
DE10357419B3 Transport roller for hot extruded steel billets has end caps covering water collection chambers to link cooling passages
DE10350832A1 Process for the heat treatment of metallic workpieces
EP1393827A2 Method of cold-drawing of tubes and device for carrying out the method
DE10340204A1 Process for cold drawing pipes
DE10332270B3 Inner-cooled support and/or transport roller for a continuous casting installation has a heat exchanger element arranged in a hollow body
DE10332069B3 Production process for non-rotary-symmetrical metal rings involves using two flat-disk shaping jaws opposite each other moving reciprocally
DE10331000B3 Production of welded large pipes in the form of screw-threaded pipes made from hot rolled steel comprises decoiling the hot strip, joining the beginning of the strip with the beginning of a precursor strip and further processing
DE10327716B3 Entrance for introducing and removing coolant in a support roller and/or transport roller of a continuous casting machine comprises a compensator connected to a rotor and a rotation element