Patents by Inventor Henrik Schroeder

Henrik Schroeder 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).

  • Patent number: 8281900
    Abstract: In an industrial truck, in particular a fork-lift truck, having a vehicle frame and a load pickup means (16), which can be displaced in relation to the vehicle frame, at least one wheel which is closer to the load pickup means and, at a distance from this, at least one wheel (20) which is further away from the load pickup means being provided on the vehicle frame, the wheel axle (18) of at least one wheel (20) being capable of moving in relation to the vehicle frame along a movement trajectory with a movement component which is orthogonal with respect to the standing area of the industrial truck, in addition a loading force (B), which is caused by the tare weight of the industrial truck and a load (L) which may have been picked up by said industrial truck, acting on the at least one moveable wheel axle (18), which loading force changes operationally, the at least one moveable wheel axle (18) in addition has or can have an arbitrarily variable additional force applied to it.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: October 9, 2012
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Rolf Boegelein, Oleg Plastinin, Henrik Schroeder, Ralf Werner, Christoph Zeidler
  • Patent number: 7278509
    Abstract: Counterbalanced forklift truck with a device for an electro-hydraulic or electric steering of at least one wheel of the counterbalanced forklift truck, with a steering wheel, which is pivoted by means of a shaft section about an axis, whereby the maximum steering angle of the steering wheel on each side of a neutral position (straight position) is smaller than 180° and is limited by fixed limit stoppers, the steering transmission ratio is progressive with increasing steering angle of the steering wheel and the steering transmission ratio becomes more indirect with increasing travel speed.
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: October 9, 2007
    Assignee: Jungheinrich Aktiengesellschaft
    Inventors: Henrik Schröder, Michael Von Forstner