Patents by Inventor Richard D. Fields

Richard D. Fields 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).

  • Backflow preventor with adjustable outflow direction
    Publication number: 20040045604
    Abstract: A backflow preventor which permits adjustment of the outflow direction is provided. A conduit provides fluid communication between the two valves of the backflow preventor. The conduit can be separated, e.g., by cutting along a groove, leaving annular flat regions. The annular flats are configured to engage with a coupler to provide leak-free connection between the separated portions of the conduit. The separated portions of the conduit can be rotated to adjust the outflow direction. Preferably, an infinite number of outflow directions are possible, all of which lie in a plane parallel to the inflow direction.
    Type: Application
    Filed: September 12, 2003
    Publication date: March 11, 2004
    Inventors: Charles W. Dunmire, Dennis G. Whitelaw, Richard D. Fields
  • Backflow preventor with adjustable outflow direction
    Patent number: 6659126
    Abstract: A backflow preventor which permits adjustment of the outflow direction is provided. A conduit provides fluid communication between the two valves of the backflow preventor. The conduit can be separated, e.g., by cutting along a groove, leaving annular flat regions. The annular flats are configured to engage with a coupler to provide leak-free connection between the separated portions of the conduit. The separated portions of the conduit can be rotated to adjust the outflow direction. Preferably, an infinite number of outflow directions are possible, all of which lie in a plane parallel to the inflow direction.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: December 9, 2003
    Assignee: SPX Corporation
    Inventors: Charles W. Dunmire, Dennis G. Whitelaw, Richard D. Fields
  • Backflow preventor with adjustable outflow direction
    Publication number: 20020069918
    Abstract: A backflow preventor which permits adjustment of the outflow direction is provided. A conduit provides fluid communication between the two valves of the backflow preventor. The conduit can be separated, e.g., by cutting along a groove, leaving annular flat regions. The annular flats are configured to engage with a coupler to provide leak-free connection between the separated portions of the conduit. The separated portions of the conduit can be rotated to adjust the outflow direction. Preferably, an infinite number of outflow directions are possible, all of which lie in a plane parallel to the inflow direction.
    Type: Application
    Filed: September 25, 2001
    Publication date: June 13, 2002
    Applicant: CMB Industries, Inc.
    Inventors: Charles W. Dunmire, Dennis G. Whitelaw, Richard D. Fields
  • Backflow preventor with adjustable cutflow direction
    Patent number: 5503176
    Abstract: A backflow preventor which permits adjustment of the outflow direction is provided. A conduit provides fluid communication between the two valves of the backflow preventor. The conduit can be separated, e.g., by cutting along a groove, leaving annular flat regions. The annular flats are configured to engage with a coupler to provide leak-free connection between the separated portions of the conduit. The separated portions of the conduit can be rotated to adjust the outflow direction. Preferably, an infinite number of outflow directions are possible, all of which lie in a plane parallel to the inflow direction.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: April 2, 1996
    Assignee: CMB Industries, Inc.
    Inventors: Charles W. Dunmire, Dennis G. Whitelaw, Richard D. Fields
  • Backflow preventor with adjustable outflow direction
    Patent number: 5385166
    Abstract: A backflow preventor which permits adjustment of the outflow direction is provided. A conduit provides fluid communication between the two valves of the backflow preventor. The conduit can be separated, e.g., by cutting along a groove, leaving annular flat regions. The annular flats are configured to engage with a coupler to provide leak-free connection between the separated portions of the conduit. The separated portions of the conduit can be rotated to adjust the outflow direction. Preferably, an infinite number of outflow directions are possible, all of which lie in a plane parallel to the inflow direction.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: January 31, 1995
    Assignee: CMB Industries
    Inventors: Charles W. Dunmire, Dennis G. Whitelaw, Richard D. Fields