Patents by Inventor Jeffrey D. Wightman

Jeffrey D. Wightman 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: 8499915
    Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: August 6, 2013
    Assignee: F. R. Drake
    Inventors: William L. Harrison, William M. Oliver, Jeffrey D. Wightman
  • Publication number: 20120211321
    Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 23, 2012
    Inventors: William L. HARRISON, William M. Oliver, Jeffrey D. Wightman
  • Patent number: 8113328
    Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: February 14, 2012
    Assignee: F.R. Drake Company
    Inventors: William L. Harrison, William M. Oliver, Jeffrey D. Wightman
  • Publication number: 20110079484
    Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.
    Type: Application
    Filed: December 14, 2010
    Publication date: April 7, 2011
    Inventors: William L. HARRISON, William M. Oliver, Jeffrey D. Wightman
  • Patent number: 7849991
    Abstract: A quick disconnect coupling including a first hub, a shaft fixedly connected to the first hub, the shaft being non-round in cross-section, and a second hub having a non-round recess extending therethrough, the non-round recess being sized to closely receive the shaft such that the second hub is capable of sliding along the shaft and is prevented from rotating about the shaft, wherein rotation of the first hub results in corresponding rotation of the second hub.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 14, 2010
    Assignee: F.R. Drake Company
    Inventors: William L. Harrison, William M. Oliver, Jeffrey D. Wightman