Patents by Inventor Erwin Grimm

Erwin Grimm 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).

  • Returning system for rail-bound transport carts without internal drive
    Patent number: 5076172
    Abstract: Transport carts without internal drive which are bound to rails are moved in a returning system on a transport line from a common main drive. In the end area of the transport line, a secondary drive system is provided so that the transport carts are transferrable along a vertical curve into an inverted position onto a return line which is disposed parallel beneath the transport line and is provided with a second main drive system.
    Type: Grant
    Filed: March 11, 1991
    Date of Patent: December 31, 1991
    Assignee: Schott Glaswerke
    Inventors: Erwin Grimm, Christian Koch, Volker Hausler, Helmut Pfenning, Hubert Christ
  • Returning system for rail-bound transport carts without internal drive
    Patent number: 4998481
    Abstract: Transport carts without internal drive which are bound to rails are moved in a returning system on a transport line from a common main drive. In the end area of the transport line, a secondary drive system is provided so that the transport carts are transferrable along a vertical curve into an inverted position onto a return line which is disposed parallel beneath the transport line and is provided with a second main drive system.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: March 12, 1991
    Assignee: Schott Glaswerke
    Inventors: Erwin Grimm, Christian Koch, Volker Hausler, Helmut Pfenning, Hubert Christ