Patents by Inventor Patrick S. Adair

Patrick S. Adair 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).

  • Universal joint with trunnion shaft seal assembly
    Patent number: 8142292
    Abstract: A universal joint that includes a spider, which has a trunnion, a bearing cup, a bearing, which is disposed between the trunnion and the bearing cup, and a seal assembly. The seal assembly has a first portion, which is engaged to the spider, and a second portion that sealingly engages the bearing cup and the first portion. The first portion can include features that limit axial movement of the second portion relative to the first portion.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: March 27, 2012
    Assignee: American Axle & Manufacturing, Inc.
    Inventors: Kevin M. Ledford, Russell R. Ryan, II, Donald S. DeVries, Patrick S. Adair
  • UNIVERSAL JOINT WITH TRUNNION SHAFT SEAL ASSEMBLY
    Publication number: 20100160052
    Abstract: A universal joint that includes a spider, which has a trunnion, a bearing cup, a bearing, which is disposed between the trunnion and the bearing cup, and a seal assembly. The seal assembly has a first portion, which is engaged to the spider, and a second portion that sealingly engages the bearing cup and the first portion. The first portion can include features that limit axial movement of the second portion relative to the first portion.
    Type: Application
    Filed: November 25, 2009
    Publication date: June 24, 2010
    Inventors: Kevin M. Ledford, Russell R. Ryan, II, Donald S. DeVries, Patrick S. Adair