Patents by Inventor Hans Drescher

Hans Drescher 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).

  • Switch mode power supply and method for operating the switch mode power supply
    Patent number: 10756641
    Abstract: A switch mode power supply and method for operating the power supply and to the use of the same, wherein the switch mode power supply comprises a control for controlling a control element and is connected to a DC link of the converter, the switch mode power supply comprises a startup-delay such that control of the switch element is blocked until a predetermined start delay duration (T) has lapsed, where the start delay duration (T) is longer than the time span between DC link charging.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: August 25, 2020
    Assignee: Siemens Aktiengesellschaft
    Inventors: Daniel Portisch, Hans Drescher
  • Process and apparatus for conducting simultaneous endothermic and exothermic reactions
    Patent number: 9676623
    Abstract: This invention relates to a process and an apparatus for conducting simultaneous endothermic and exothermic reactions in a microchannel reactor. A start-up procedure for the microchannel reactor is disclosed.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 13, 2017
    Assignee: Velocys, Inc.
    Inventors: Steven T. Perry, Ravi Arora, Martyn Twigg, Bin Yang, Thomas Yuschak, Kai Tod Paul Jarosch, Eric Hans Drescher, Franck Letellier, Anders Gabrielsson
  • PROCESS AND APPARATUS FOR CONDUCTING SIMULTANEOUS ENDOTHERMIC AND EXOTHERMIC REACTIONS
    Publication number: 20140264175
    Abstract: This invention relates to a process and an apparatus for conducting simultaneous endothermic and exothermic reactions in a microchannel reactor. A start-up procedure for the microchannel reactor is disclosed.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: VELOCYS, INC.
    Inventors: Steven T. Perry, Ravi Arora, Martyn Twigg, Bin Yang, Thomas Yuschak, Kai Tod Paul Jarosch, Eric Hans Drescher, Franck Letellier, Anders Gabrielsson
  • Switch Mode Power Supply and Method for Operating the Switch Mode Power Supply
    Publication number: 20140140110
    Abstract: A switch mode power supply and method for operating the power supply and to the use of the same, wherein the switch mode power supply comprises a control for controlling a control element and is connected to a DC link of the converter, the switch mode power supply comprises a startup-delay such that control of the switch element is blocked until a predetermined start delay duration (T) has lapsed, where the start delay duration (T) is longer than the time span between DC link charging.
    Type: Application
    Filed: May 15, 2012
    Publication date: May 22, 2014
    Inventors: Daniel Portisch, Hans Drescher