Patents by Inventor Erwin P. J. Lehrieder

Erwin P. J. Lehrieder 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).

  • Roller chain
    Patent number: 5461851
    Abstract: A roller chain for use in drawing paper webs through a web-fed rotary printing press utilizes a plurality of pairs of roller wheels, each joined by transverse roller pins and with each pair of wheels connected to the next adjacent pairs of roller wheels by longitudinally extending leaf-spring plates. The roller chain is capable of twisting and lateral deflections in a direction of the axis of rotation of the roller wheels.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: October 31, 1995
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Erwin P. J. Lehrieder, Frans K. Mezger