Patents by Inventor Chester C. Rodieck

Chester C. Rodieck 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).

  • Sequencing valve and irrigation system
    Patent number: 4497333
    Abstract: A valve having a hollow body, an inlet and outlet for supplying and discharging pressured liquid, the valve body has a normally open top and a closure is provided to close said open top when positioned over the top opening and held in place by pressure of liquid supplied to the body, a closed air chamber communicates with the interior valve body and is arranged to hold compressed air therein.
    Type: Grant
    Filed: May 5, 1983
    Date of Patent: February 5, 1985
    Inventor: Chester C. Rodieck
  • Automatic anti-siphon valve
    Patent number: 4014361
    Abstract: Each valve of the present invention is comprised of a hollow valve body, an inlet connectable to a source of pressurized water, a first outlet disposed at the top of the valve body for emptying into an irrigation basin, a second outlet for connection to the inlet of a second valve; a float activated valve gate loosely guided within the hollow valve body, which gate is capable of sealing and holding closed the first outlet against liquid flow as long as water pressure is being applied to its inlet. In the open position of said first outlet the gate is capable of blocking water flow to the second outlet to prevent water flow to said second valve.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: March 29, 1977
    Inventor: Chester C. Rodieck
  • Automatic anti-siphon valve
    Patent number: 3951163
    Abstract: Each valve of the present invention is comprised of a hollow valve body, an inlet connectable to a source of pressurized water, a first outlet disposed at the top of the valve body for emptying into an irrigation basin, a second outlet for connection to the inlet of a second valve; a float activated valve gate loosely guided within the hollow valve body, which gate is capable of sealing and holding closed the first outlet against liquid flow as long as water pressure is being applied to its inlet. In the open position of said first outlet the gate is capable of blocking water flow to the second outlet to prevent water flow to said second valve.
    Type: Grant
    Filed: July 5, 1972
    Date of Patent: April 20, 1976
    Inventor: Chester C. Rodieck