Patents by Inventor Matthias Guenthart

Matthias Guenthart 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).

  • Fuel cell stack
    Patent number: 9385394
    Abstract: A fuel cell stack includes a plurality of stacked fuel cell units and at least one stack end element that are clamped a clamping device. The clamped fuel cell units are surrounded by a housing. A circumferential seal, in particular a lip seal, which has recesses for accommodating the clamping device is situated between the housing and the at least one stack end element. The clamping device is electrically insulated at least in the area of the recesses.
    Type: Grant
    Filed: December 15, 2012
    Date of Patent: July 5, 2016
    Assignee: Daimler AG
    Inventors: Matthias Guenthart, Ulf-Michael Mex, Holger Stark, Uwe Werner, Pius Kobler
  • Fuel Cell Stack
    Publication number: 20140356753
    Abstract: A fuel cell stack includes a plurality of stacked fuel cell units and at least one stack end element that are clamped a clamping device. The clamped fuel cell units are surrounded by a housing. A circumferential seal, in particular a lip seal, which has recesses for accommodating the clamping device is situated between the housing and the at least one stack end element. The clamping device is electrically insulated at least in the area of the recesses.
    Type: Application
    Filed: December 15, 2012
    Publication date: December 4, 2014
    Applicant: Daimler AG
    Inventors: Matthias Guenthart, Ulf-Michael Mex, Holger Stark, Uwe Werner, Pius Kobler
  • End plate for a stack of fuel cells
    Patent number: 7776488
    Abstract: The inventive end plate comprises pressure shield (21) and a supporting plate (30), whereby the forces, which serve to compress the stack (1) of fuel cells (2) and which are introduced via the force introduction locations (24), are introduced into the stack in the form of a compressive load in a defined and uniform manner.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: August 17, 2010
    Assignee: Tribecraft AG
    Inventors: Joerg Evertz, Matthias Guenthart, Uwe Werner
  • End plate for a stack of fuel cells
    Publication number: 20060194094
    Abstract: The inventive end plate comprises pressure shield (21) and a supporting plate (30), whereby the forces, which serve to compress the stack (1) of fuel cells (2) and which are introduced via the force introduction locations (24), are introduced into the stack in the form of a compressive load in a defined and uniform manner.
    Type: Application
    Filed: February 19, 2004
    Publication date: August 31, 2006
    Inventors: Joerg Evertz, Matthias Guenthart, Uwe Werner