Patents by Inventor Roland Rabitsch

Roland Rabitsch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Alloy for roller bearing
    Patent number: 7785531
    Abstract: An alloy for aircraft roller bearings containing: 0.45 to 1.0 wt. % carbon, max 2.0 wt. % manganese, max 1.0 wt. % silicon, 8.5 to 11.5 wt. % chromium, 1.0 to 4.5 wt. % molybdenum, 1.0 to 2.5 wt. % vanadium, max 2.0 wt. % tungsten, max 0.5 wt. % niobium, max 0.5 wt. % tantalum, max 3.0 wt. % nickel, max 0.5 wt. % cobalt, max 0.1 wt. % aluminum, max 0.01 wt. % nitrogen, and the balance being iron and impurities due to production.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: August 31, 2010
    Assignee: Boehler Edelstahl GmbH
    Inventors: Roland Rabitsch, Sven Peissl, Reinhold Ebner, Sabine Eglsaeer
  • ALLOY FOR ROLLER BEARING
    Publication number: 20070215251
    Abstract: An alloy for aircraft roller bearings containing: 0.45 to 1.0 wt. % carbon, max 2.0 wt. % manganese, max 1.0 wt. % silicon, 8.5 to 11.5 wt. % chromium, 1.0 to 4.5 wt. % molybdenum, 1.0 to 2.5 wt. % vanadium, max 2.0 wt. % tungsten, max 0.5 wt. % niobium, max 0.5 wt. % tantalum, max 3.0 wt. % nickel, max 0.5 wt. % cobalt, max 0.1 wt. % aluminum, max 0.01 wt. % nitrogen, and the balance being iron and impurities due to production.
    Type: Application
    Filed: March 19, 2007
    Publication date: September 20, 2007
    Applicant: BOEHLER EDELSTAHL GMBH
    Inventors: Roland RABITSCH, Sven PEISSL, Reinhold EBNER, Sabine EGLSAEER
  • cold work steel alloy for the manufacture of parts by powder metallurgy
    Patent number: 6773482
    Abstract: A cold work steel alloy for the manufacture of parts, comprising the elements C, Si, Mn, Cr, W, Mo, V, Nb, Co, S, N, Ni and accompanying elements in the concentration ranges recited in claim 1 and having an oxygen content of less than 100 ppm and a content of nonmetallic inclusions corresponding to a K0 value of a maximum of 3 when tested according to DIN 50 602, as well as a method of making a part of said steel alloy by powder metallurgy.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: August 10, 2004
    Assignee: Bohler Edelstahl, GmbH
    Inventors: Werner Liebfahrt, Roland Rabitsch
  • PM high-speed steel having high elevated-temperature strength
    Patent number: 6652617
    Abstract: A high-speed steel article, particularly a cutting tool, produced by powder metallurgy and its production, the steel having a high degree of purity corresponding to a K0 value of no higher than 3 according to DIN 50 602 and being of a particular composition which comprises the elements C, Si, Mn, Cr, W, Mo, V, Co, S and N. Also provided is a process for the high-speed machining of metal parts without lubricants.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: November 25, 2003
    Assignee: Böhler Edelstahl GmbH
    Inventors: Ingrid Maili, Roland Rabitsch, Werner Liebfahrt
  • PM high-speed steel having high elevated-temperature strength
    Publication number: 20030095886
    Abstract: A high-speed steel article, particularly a cutting tool, produced by powder metallurgy and its production, the steel having a high degree of purity corresponding to a K0 value of no higher than 3 according to DIN 50 602 and being of a particular composition which comprises the elements C, Si, Mn, Cr, W, Mo,V, Co, S and N. Also provided is a process for the high-speed machining of metal parts without lubricants.
    Type: Application
    Filed: March 13, 2002
    Publication date: May 22, 2003
    Applicant: BOHLER EDELSTAHL GmbH
    Inventors: Igrid Maili, Roland Rabitsch, Werner Liebfahrt
  • Cold work steel alloy for the manufacture of parts by powder metallurgy
    Publication number: 20030068248
    Abstract: The invention relates to a cold work steel alloy for the powder metallurgical manufacture of parts, in particular tools with improved functional quality. In order to simultaneously set the important property features of bend fracture strength, impact bending work and wear resistance at a high level, it is essentially provided according to the invention to use an alloy containing in percent by weight 1 C 2.05 to 2.65 Cr 6.10 to 9.80 W 0.50 to 2.40 Mo 2.15 to 4.70 V 7.05 to 9.0 Nb 0.25 to 2.45 N 0.04 to 0.
    Type: Application
    Filed: April 9, 2002
    Publication date: April 10, 2003
    Applicant: Bohler Edelstahl GmbH
    Inventors: Werner Liebfahrt, Roland Rabitsch