Patents by Inventor Donald N. Smyth

Donald N. Smyth 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 release hose coupling
    Patent number: 4541657
    Abstract: A hose coupling having a spigot member to be inserted into a socket in the body of the coupling. The member having a pair of legs diverging from a base forming a circumferential portion of the body. The legs engage in a circumferential groove in the spigot, so that by pressing on the circumferential portion the legs diverge to release the spigot.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: September 17, 1985
    Assignee: SABCO Ltd.
    Inventor: Donald N. Smyth
  • Brush with detergent feed
    Patent number: 4532666
    Abstract: A detergent dispenser for a brush having a rotatable impeller driven by a jet of water. The dispenser has a tank connected to a valve having a blade positioned to intercept the flow of water around the impeller, part of the water passing into the tank to be mixed with the detergent to be dispensed into the flow of water around the impeller prior to the jet of water driving the impeller.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: August 6, 1985
    Assignee: Sabco Limited
    Inventor: Donald N. Smyth
  • Brush
    Patent number: 4471503
    Abstract: A brush for cleaning and washing surfaces with a scrubbing action, the brush having bristles mounted on a body. The body houses a freely rotatable turbine wheel driven by a jet of water. The turbine wheel is eccentrically weighted so that as it rotates it imparts to the body of the brush and the bristles in a vibrating motion.
    Type: Grant
    Filed: September 14, 1982
    Date of Patent: September 18, 1984
    Inventor: Donald N. Smyth
  • Fluid timer
    Patent number: 4351360
    Abstract: A fluid timer to control the flow of water, the timer having a clock work control which controls the closing of a valve through which the water flows through the timer.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: September 28, 1982
    Assignee: Sabco Limited
    Inventor: Donald N. Smyth