Patents by Inventor Norbert BERTZ

Norbert BERTZ 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).

  • Process for the preparation of plates for lead-acid batteries
    Patent number: 8980368
    Abstract: To improve the procedure for producing plates for lead-acid batteries, it is proposed with the invention to expose the pasted plates to saturated steam in one phase of the procedure.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: March 17, 2015
    Assignee: Hoppecke Batterien GmbH & Co. KG
    Inventors: Josef Schrewe, Norbert Bertz, Claus Zoellner
  • PROCESS FOR THE PREPARATION OF PLATES FOR LEAD-ACID BATTERIES
    Publication number: 20110293821
    Abstract: To improve the procedure for producing plates for lead-acid batteries, it is proposed with the invention to expose the pasted plates to saturated steam in one phase of the procedure.
    Type: Application
    Filed: May 6, 2011
    Publication date: December 1, 2011
    Applicant: HOPPECKE BATTERIEN GMBH & CO. KG
    Inventors: Josef SCHREWE, Norbert BERTZ, Claus ZOELLNER