Patents by Inventor Christian Grajewski

Christian Grajewski 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).

  • Operator seat for construction machine, and cab and construction machine including the same
    Patent number: 7654601
    Abstract: A construction vehicle includes vehicle frames, an operator cab, a hydraulic oil tank, and engine, and an engine cover. The operator cab is mounted on the vehicle frames. The hydraulic oil tank is disposed to the rear of the operator cab and stores hydraulic oil. The engine is disposed to the rear of the hydraulic oil tank. The engine cover is a member that covers the engine. A rear face of the hydraulic oil tank and a front face of the engine cover are the same size in a widthwise direction. A rear end of an upper face of the hydraulic oil tank is positioned at the same height as a front end of the upper face of the engine cover. The upper face and side faces of the hydraulic oil tank are exposed to outside.
    Type: Grant
    Filed: May 12, 2008
    Date of Patent: February 2, 2010
    Assignee: Komatsu Ltd.
    Inventors: Gunnar Spellmeyer, Birgit Weller, Jonas Claudy, Simon Hellwig, Jan Henemann, Christian Grajewski, Florian Kristen, Christian Schuschan, Christoph Pröβler, Felix Runde
  • OPERATOR SEAT FOR CONSTRUCTION MACHINE, AND CAB AND CONSTRUCTION MACHINE INCLUDING THE SAME
    Publication number: 20080290694
    Abstract: A construction vehicle includes vehicle frames, an operator cab, a hydraulic oil tank, and engine, and an engine cover. The operator cab is mounted on the vehicle frames. The hydraulic oil tank is disposed to the rear of the operator cab and stores hydraulic oil. The engine is disposed to the rear of the hydraulic oil tank. The engine cover is a member that covers the engine. A rear face of the hydraulic oil tank and a front face of the engine cover are the same size in a widthwise direction. A rear end of an upper face of the hydraulic oil tank is positioned at the same height as a front end of the upper face of the engine cover. The upper face and side faces of the hydraulic oil tank are exposed to outside.
    Type: Application
    Filed: May 12, 2008
    Publication date: November 27, 2008
    Applicant: KOMATSU LTD.
    Inventors: Gunnar Spellmeyer, Birgit Weller, Jonas Claudy, Simon Hellwig, Jan Henemann, Christian Grajewski, Florian Kristen, Christian Schuschan, Christoph Probler, Felix Runde
  • Motor vehicle
    Patent number: D706170
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: June 3, 2014
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Alexandre Benjamin Girard, Christian Grajewski