Patents by Inventor Michael Theissen

Michael Theissen 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).

  • HEAVY-DUTY LIFT TRUCK
    Publication number: 20190023544
    Abstract: A heavy-duty lift truck designed as a mast-based apparatus comprising a mast, a load accepting means is mounted on the mast in such a way that it can be raised and lowered, and the heavy-duty lift truck is designed at least for a load capacity of 8 tons, with the heavy-duty lift truck comprising a powertrain with a travel drive that comprises an electric drive unit whereby the heavy-duty lift truck has greater energy efficiency.
    Type: Application
    Filed: October 27, 2016
    Publication date: January 24, 2019
    Inventors: Mike Hegewald, Lars Michael Theißen, Heinz Ishorst
  • Direct process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions
    Patent number: 7641807
    Abstract: Process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions characterized in that said process comprises step (i): (i) mixing of at least one tetraalkylammonium halide with at least one metal tetrafluoroborate in at least one organic solvent, which is partially or completely miscible with water.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: January 5, 2010
    Assignee: Honeywell International Inc
    Inventors: Alfred Siggel, Michael Fooken, Christian Liepelt, Michael Theissen
  • Method for purifying quaternary onium salts
    Patent number: 7601871
    Abstract: Provided are methods of purifying quaternary onium salts having the steps of (a) providing an quaternary onium salt solution having a first ionic impurity concentration; (b) providing an ion exchange material charged with electrochemically stable anions; and (c) contacting the salt solution with the ion exchange material to produce an quaternary onium salt solution having a second halide concentration is less than the first ionic impurity concentration.
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: October 13, 2009
    Assignee: Honeywell International Inc.
    Inventors: Alfred Siggel, Michael Fooken, Michael Theissen, Andreas Kanschik-Conradsen, Sonja Demel, Frank Nerenz
  • Direct process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions
    Publication number: 20070097598
    Abstract: Process for the manufacture of tetraalkylammonium tetrafluoroborate-containing electrolyte compositions characterized in that said process comprises step (i): (i) mixing of at least one tetraalkylammonium halide with at least one metal tetrafluoroborate in at least one organic solvent, which is partially or completely miscible with water.
    Type: Application
    Filed: October 31, 2003
    Publication date: May 3, 2007
    Applicant: Honeywell International Inc.
    Inventors: Alfred Siggel, Michael Fooken, Christian Liepelt, Michael Theissen
  • Method for purifying quaternary onium salts
    Publication number: 20060247472
    Abstract: Provided are methods of purifying quaternary onium salts having the steps of (a) providing an quaternary onium salt solution having a first ionic impurity concentration; (b) providing an ion exchange material charged with electrochemically stable anions; and (c) contacting the salt solution with the ion exchange material to produce an quaternary onium salt solution having a second halide concentration is less than the first ionic impurity concentration.
    Type: Application
    Filed: March 3, 2006
    Publication date: November 2, 2006
    Applicant: Honeywell International Inc.
    Inventors: Alfred Siggel, Michael Fooken, Michael Theissen, Andreas Kanschik-Conradsen, Sonja Demel, Frank Nerenz