Patents by Inventor Alvin Krell, Jr.

Alvin Krell, Jr. 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: 6074122
    Abstract: A cone drive apparatus includes a conical drive assembly which aligns and drivingly engages between an engine and a transmission. The conical drive assembly is fastened to a flex plate which is connected to an output member of an engine. The conical drive assembly aligns with a conical recess in an adapter plate fastened to an input member of a transmission. Once the engine and transmission are aligned and suitably fastened together, the conical drive assembly drivingly engages the output member of the engine to the input member of the transmission.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: June 13, 2000
    Assignee: Caterpillar Inc.
    Inventor: Alvin Krell, Jr.