Patents by Inventor Gerald Felder

Gerald Felder 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: 7824142
    Abstract: A fastening element has a core zone (14) formed of a relatively hard carbon steel, a skin zone (17) located outwardly of the core zone (14) and formed of a first low-carbon austenitic steel alloyed with a first alloy metal, and an intermediate zone (15a, 15b) provided between the core zone (14) and the skin zone (17) and formed of a second low-carbon steel having a smaller hardness than the steel the core zone (14) is formed of.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: November 2, 2010
    Assignee: Hilti Aktiengesellschaft
    Inventors: Gerald Felder, Carmen Bier
  • Publication number: 20090060678
    Abstract: A fastening element has a core zone (14) formed of a relatively hard carbon steel, a skin zone (17) located outwardly of the core zone (14) and formed of a first low-carbon austenitic steel alloyed with a first alloy metal, and an intermediate zone (15a, 15b) provided between the core zone (14) and the skin zone (17) and formed of a second low-carbon steel having a smaller hardness than the steel the core zone (14) is formed of.
    Type: Application
    Filed: September 3, 2008
    Publication date: March 5, 2009
    Inventors: Gerald Felder, Carmen Bier
  • Patent number: 6596342
    Abstract: A method of coating of mass-produced bulk goods (5) including loading the bulk goods (5) into a rotatable drum (1) through an opening (4) formed in a side surface of the drum (1), heating a coating material in coating apparatus (8), having a spray gun (6) and provided outside of the rotatable drum (1); and thereafter, applying the heated coating material to the bulk goods (5) with the spray gun (6) through the drum opening (4).
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 22, 2003
    Assignee: Hilti Aktiengesellschaft
    Inventors: Rainer Batliner, Gerald Felder, Werner Schörghofer
  • Publication number: 20020081388
    Abstract: A method of coating of mass-produced bulk goods (5) including loading the bulk goods (5) into a rotatable drum (1) through an opening (4) formed in a side surface of the drum (1), heating a coating material in coating apparatus (8), having a spray gun (6) and provided outside of the rotatable drum (1); and thereafter, applying the heated coating material to the bulk goods (5) with the spray gun (6) through the drum opening (4).
    Type: Application
    Filed: December 21, 2001
    Publication date: June 27, 2002
    Inventors: Rainer Batliner, Gerald Felder, Werner Schorghofer