Patents by Inventor Donald A. Hope

Donald A. Hope 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).

  • Patent number: 8615863
    Abstract: An insertion tool for inserting a fitting into a hose including a handle with a trigger parallelly disposed relative to an elongated translation rod movable in one direction including a fitting holder releasably mounted on the translation rod. A bell crank and linkage system connects the trigger to the translation rod for longitudinal movement and enhances the mechanical advantage to facilitate the insertion of the fitting into the hose. The hose holder is adjustable to accommodate different diameter hoses and the fitting holder can be changed to accommodate different shaped and sized fittings. The insertion tool can be used to insert the fitting into the hose while these units are in the ground or it can be oriented and changed to accommodate insertions at various attitudes. A knife is attached to the translation rod to allow the translation rod to be positioned to remove the hose from its fittings.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: December 31, 2013
    Inventor: Donald A. Hope
  • Patent number: 6499678
    Abstract: The combination of a case enclosed sprinkler and shut-off valve having the dual function of shutting off the flow of water to a case enclosed sprinkler so that case enclosed sprinkler can be removed from the case enclosed sprinkler system or zone for replacement, repair, maintenance and the like and the insertion and removal of the case enclosed sprinkler operates to open and close the shut-off valve. The shut-off valve has infinite settings so that it can be utilized as a metering valve to limit the flow of water entering the case enclosed sprinkler. In another embodiment, an adapter mechanism can be utilized in combination with the shut-off valve to obtain water from the system when desired.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: December 31, 2002
    Inventor: Donald A. Hope