Patents by Inventor Ricky Durham

Ricky Durham 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).

  • Patent number: 10724121
    Abstract: A nickel-chromium casting alloy comprising, in weight percent, up to 0.8% of carbon, up to 1% of silicon, up to 0.2% of manganese, 15 to 40% of chromium, 0.5 to 13% of iron, 1.5 to 7% of aluminum, up to 2.5% of niobium, up to 1.5% of titanium, 0.01 to 0.4% of zirconium, up to 0.06% of nitrogen, up to 12% of cobalt, up to 5% of molybdenum, up to 6% of tungsten and from 0.01 to 0.1% of yttrium, remainder nickel, has a high resistance to carburization and oxidation even at temperatures of over 1130° C. in a carburizing and oxidizing atmosphere, as well as a high thermal stability, in particular creep rupture strength.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: July 28, 2020
    Assignee: Schmidt + Clemens GmbH + Co. KG
    Inventors: Rolf Kirchheiner, Dietlinde Jakobi, Petra Becker, Ricky Durham
  • Publication number: 20190106770
    Abstract: A nickel-chromium casting alloy comprising, in weight percent, up to 0.8% of carbon, up to 1% of silicon, up to 0.2% of manganese, 15 to 40% of chromium, 0.5 to 13% of iron, 1.5 to 7% of aluminum, up to 2.5% of niobium, up to 1.5% of titanium, 0.01 to 0.4% of zirconium, up to 0.06% of nitrogen, up to 12% of cobalt, up to 5% of molybdenum, up to 6% of tungsten and from 0.01 to 0.1% of yttrium, remainder nickel, has a high resistance to carburization and oxidation even at temperatures of over 1130° C. in a carburizing and oxidizing atmosphere, as well as a high thermal stability, in particular creep rupture strength.
    Type: Application
    Filed: August 6, 2018
    Publication date: April 11, 2019
    Inventors: Rolf KIRCHHEINER, Dietlinde JAKOBI, Petra BECKER, Ricky DURHAM
  • Patent number: 10041152
    Abstract: A nickel-chromium casting alloy comprising, in weight percent, up to 0.8% of carbon, up to 1% of silicon, up to 0.2% of manganese, 15 to 40% of chromium, 0.5 to 13% of iron, 1.5 to 7% of aluminum, up to 2.5% of niobium, up to 1.5% of titanium, 0.01 to 0.4% of zirconium, up to 0.06% of nitrogen, up to 12% of cobalt, up to 5% of molybdenum, up to 6% of tungsten and from 0.01 to 0.1% of yttrium, remainder nickel, has a high resistance to carburization and oxidation even at temperatures of over 1130° C. in a carburizing and oxidizing atmosphere, as well as a high thermal stability, in particular creep rupture strength.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: August 7, 2018
    Assignee: Schmidt + Clemens GmbH + Co. KG
    Inventors: Rolf Kirchheiner, Dietlinde Jakobi, Petra Becker, Ricky Durham
  • Publication number: 20090016926
    Abstract: A nickel-chromium casting alloy comprising, in weight percent, up to 0.8% of carbon, up to 1% of silicon, up to 0.2% of manganese, 15 to 40% of chromium, 0.5 to 13% of iron, 1.5 to 7% of aluminum, up to 2.5% of niobium, up to 1.5% of titanium, 0.01 to 0.4% of zirconium, up to 0.06% of nitrogen, up to 12% of cobalt, up to 5% of molybdenum, up to 6% of tungsten and from 0.01 to 0.1% of yttrium, remainder nickel, has a high resistance to carburization and oxidation even at temperatures of over 1130° C. in a carburizing and oxidizing atmosphere, as well as a high thermal stability, in particular creep rupture strength.
    Type: Application
    Filed: July 8, 2008
    Publication date: January 15, 2009
    Applicant: Schmidt + Clemens GmbH + Co. KG
    Inventors: Rolf KIRCHHEINER, Dietlinde JAKOBI, Petra BECKER, Ricky DURHAM
  • Publication number: 20050129567
    Abstract: A nickel-chromium casting alloy comprising up to 0.8% of carbon, up to 1% of silicon, up to 0.2% of manganese, 15 to 40% of chromium, 0.5 to 13% of iron, 1.5 to 7% of aluminum, up to 2.5% of niobium, up to 1.5% of titanium, 0.01 to 0.4% of zirconium, up to 0.06% of nitrogen, up to 12% of cobalt, up to 5% of molybdenum, up to 6% of tungsten and from 0.01 to 0.1% of yttrium, remainder nickel, has a high resistance to carburization and oxidation even at temperatures of over 1130° C. in a carburizing and oxidizing atmosphere, as well as a high thermal stability, in particular creep rupture strength.
    Type: Application
    Filed: September 21, 2004
    Publication date: June 16, 2005
    Applicant: SCHMIDT + CLEMENS GMBH + CO. KG
    Inventors: Rolf Kirchheiner, Dietlinde Jakobi, Petra Becker, Ricky Durham