Patents by Inventor Mark G. Ketcham

Mark G. Ketcham 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).

  • Quick connector with visual checking method
    Patent number: 4925217
    Abstract: A conduit assembly has a visual inspection device. The visual inspection device is positioned within a connector housing. The device enables inspection of the connector to determine if proper connection between the housing and conduit has been achieved. The inspection device includes an annular member which, when in a vaulted position, exposes flags to indicate one position of the annular member to a substantially flat position concealing the flags to indicate a second position of the annular member.
    Type: Grant
    Filed: October 24, 1988
    Date of Patent: May 15, 1990
    Assignee: Huron Products Corporation
    Inventor: Mark G. Ketcham
  • Swivelable quick connector
    Patent number: 4869534
    Abstract: A swivelable quick connect assembly for use with tubular conduits includes a housing having an axial bore for receiving one end of the conduit, and a first retainer detachably secured to the housing and is cooperable with an annular projection on the conduit for securing the conduit in its operative position within the bore. A second retainer means demountably coupled to the housing for maintaining the connection between the conduit and the housing.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: September 26, 1989
    Assignee: Huron Products Corporation
    Inventors: Mark G. Ketcham, Donald C. Walker