Patents by Inventor Dale J. Kitchen

Dale J. Kitchen 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).

  • Diaphragm valve
    Patent number: 6189861
    Abstract: A flow control device includes a first body and a second body; a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal that is disposed axially between the first and second bodies to form a seal there between; each of the first and second bodies having a generally flat surface portion near its respective outer periphery; at least one of the generally flat surfaces being adjacent an outer corner thereof; the diaphragm being singularly clamped between the generally flat portions; the diaphragm having an outer peripheral portion adjacent the generally flat surfaces and that bends over and seals at the corner.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: February 20, 2001
    Assignee: Swagelok Company
    Inventors: James E. Gotch, Dale J. Kitchen, Maria T. Longo, Victor N. Rasanow, Philip J. Smith
  • Diaphragm valve seat arrangement
    Patent number: 6092550
    Abstract: A flow control device includes a first body and a second body; a threaded engagement for clamping the bodies together in an axially aligned relationship; a diaphragm seal that is disposed axially between the first and second bodies to form a seal there between; each of the first and second bodies having a generally flat surface portion near its respective outer periphery; at least one of the generally flat surfaces being adjacent an outer corner thereof; the diaphragm being singularly clamped between the generally flat portions; the diaphragm having an outer peripheral portion adjacent the generally flat surfaces and that bends over and seals at the corner.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: July 25, 2000
    Assignee: Swagelok Marketing Co.
    Inventors: James E. Gotch, Dale J. Kitchen, Maria T. Longo, Victor N. Rasanow, Philip J. Smith
  • Valve handle and bracket
    Patent number: D439314
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: March 20, 2001
    Assignee: Swagelok Marketing Co.
    Inventors: Dale J. Kitchen, Brian K. Sprafka
  • Manually actuated diaphragm valve with lockout feature for open and closed positions
    Patent number: D407799
    Type: Grant
    Filed: April 2, 1997
    Date of Patent: April 6, 1999
    Assignee: Swagelok Marketing Co.
    Inventors: Dale J. Kitchen, Thomas E. DiBiase
  • Handle of a valve
    Patent number: D416983
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: November 23, 1999
    Assignee: Swagelok Company
    Inventors: Dale J. Kitchen, Thomas E. DiBiase