Patents by Inventor Dieter Hajok

Dieter Hajok 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).

  • Powder, especially metallic powder for marking workpieces
    Patent number: 4434935
    Abstract: Powder, such as metallic powder for marking workpieces, consists of a blend of fine powder and of coarse powder.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: March 6, 1984
    Assignee: Messer Griesheim GmbH
    Inventors: Georg Roeder, Helmut Sachs, Dieter Hajok
  • Device for marking workpieces by means of powder
    Patent number: 4247043
    Abstract: A device for marking workpieces by means of powder includes a nozzle from which emanates a powder spray circumscribed by a heating flame with a burner being at one end of the nozzle attached for powder marking and whose other end is attached to a powder container connected to the nozzle via a tube.
    Type: Grant
    Filed: April 18, 1979
    Date of Patent: January 27, 1981
    Assignee: Messer Griesheim GmbH
    Inventors: Georg Roeder, Helmut Sachs, Dieter Hajok
  • Machine mounted torch
    Patent number: 4192488
    Abstract: A machine mounted torch includes a torch head to which a nozzle is exchangeably fastened by a holding device wherein two oppositely disposed support surfaces are provided for holding counter surfaces of a spring loaded bushing which holds the nozzle.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: March 11, 1980
    Assignee: Messer Griesheim GmbH
    Inventors: Georg Roeder, Helmut Sachs, Dieter Hajok