Patents by Inventor Steven Daniel LORENTZ

Steven Daniel LORENTZ 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).

  • Battery bus bar design and laser welding
    Patent number: 10249857
    Abstract: A battery assembly includes a plurality of battery cells each including a cell tab and a bus bar connected to the cell tabs of adjacent battery cells. The bus bar including a pair of 180 degree bend regions that each define a channel for receiving a respective cell tab and a cut-out region defining an opening having opposing edge portions that allows direct access to the cell tab within the cut-out region. A weld line connects the cell tab to at least one of the opposing edge portions within the cut-out region.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: April 2, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Steven Daniel Lorentz, Chih-chang Chen, Wayne W. Cai, Nikolay Kondratyev, Roger M. Brisbane
  • BATTERY BUS BAR DESIGN AND LASER WELDING
    Publication number: 20180277807
    Abstract: A battery assembly includes a plurality of battery cells each including a cell tab and a bus bar connected to the cell tabs of adjacent battery cells. The bus bar including a pair of 180 degree bend regions that each define a channel for receiving a respective cell tab and a cut-out region defining an opening having opposing edge portions that allows direct access to the cell tab within the cut-out region. A weld line connects the cell tab to at least one of the opposing edge portions within the cut-out region.
    Type: Application
    Filed: March 22, 2017
    Publication date: September 27, 2018
    Inventors: Steven Daniel LORENTZ, Chih-chang CHEN, Wayne W. CAI, Nikolay KONDRATYEV, Roger M. BRISBANE