Patents by Inventor Allen P. Levine

Allen P. Levine 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).

  • Polyetheretherketone (PEEK) retaining ring for an acetabular cup assembly
    Patent number: 5964809
    Abstract: A prosthetic acetabular cup assembly, for receiving a ball attached to a femur, including components interlocked via a locking mechanism that includes a retaining ring fabricated at least in part using a polyaryletherketone material, such as PEEK. The locking mechanism is designed to meet predefined constraints such as assuring that substantially all motion is eliminated between assembled parts, assuring further that push-in/pull-out forces of assembly are within generally accepted industry standards, etc.
    Type: Grant
    Filed: August 6, 1997
    Date of Patent: October 12, 1999
    Assignee: Howmedica Inc.
    Inventors: Ruey Y. Lin, Ashok K. Chopra, Allen P. Levine, Bernard Silverstein
  • Polyetheretherketone (PEEK) retaining ring for an acetabular cup assembly
    Patent number: 5782930
    Abstract: A prosthetic acetabular cup assembly, for receiving a ball attached to a femur, including components interlocked via a locking mechanism that includes a retaining ring fabricated at least in part using a polyaryletherketone material, such as PEEK. The locking mechanism is designed to meet predefined constraints such as assuring that substantially all motion is eliminated between assembled parts, assuring further that push-in/pull-out forces of assembly are within generally accepted industry standards, etc.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: July 21, 1998
    Assignee: Hommedica Inc.
    Inventors: Ruey Y. Lin, Ashok K. Chopra, Allen P. Levine, Bernard Silverstein