Patents by Inventor Hartmut Salje

Hartmut Salje 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).

  • Publication number: 20190315112
    Abstract: Producing multilayer sheet metal strip stacks comprises feeding a metallic strip material having an upper side and a lower side by a feeding arrangement, longitudinally dividing of the fed strip material in a longitudinal direction of the strip material into a plurality of sheet metal strips in a continuous process by a strip dividing arrangement, and continuously superimposing of at least some of the sheet metal strips to form a sheet metal strip pack by a guiding arrangement.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 17, 2019
    Inventors: Hartmut Saljé, Benjamin Dönges, Michael Schebitz, Andreas Rinsdorf, Peter Janssen, Thomas Muhr
  • Patent number: 6035686
    Abstract: A method and an installation for producing biconical wire, i.e., wire with repeating cylindrical and conical wire sections from a cylindrical starting material, in particular for producing helical compression springs inexpensively by using hot forming to form the conical wire sections. The installation has a heating unit (1) and a forming unit (2). The embodiment also includes a cooling unit (3) downstream from the heating unit (1), a cooling unit (4) downstream from the forming unit (2), a roll control (5), a re-rolling unit (6) downstream from the forming unit (2), another heating unit (7) for annealing or tempering, a cooling unit (8) downstream from the additional heating unit (7), an uncoiler (9), a roller straightening apparatus (10) and a coiler (11).
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: March 14, 2000
    Assignees: Muhr und Bender, Neturen Co., Ltd.
    Inventors: Thomas Muhr, Andreas Kleemann, Hartmut Salje, Tesukazu Fukuhara, Takao Yamazaki