Patents by Inventor Peter Kriz

Peter Kriz 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: 6343665
    Abstract: A motor-assisted hand-movable cart that can have an identical cart inserted into it in a space-saving manner, whereby the cart is provided with: a drive chassis having two front casters and two back casters; a pushing device; a storage device for goods; a support section below the storage device, on which is disposed at least one running wheel that is located between the two front and the two back casters, and an electromotor drive unit, this drive unit driving the at least one running wheel; and a power source for supplying the electromotor drive unit located in a space not required by a further pushcart to be inserted into the pushcart during the insertion process.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: February 5, 2002
    Assignee: Wanzl Metallwarenfabrik GmbH
    Inventors: Herbert Eberlein, Peter Kriz