Patents by Inventor Charles Hopper

Charles Hopper 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: 9635967
    Abstract: The sock-donning tripod is adapted for use with stump socks commonly used by amputees. The sock-donning tripod is a free standing structure that is formed with a top plate. The top plate is formed with center cut out and plurality of posts. Each of the plurality of loop of the stump sock are hooked over a post selected from the plurality of posts which holds the stump sock open over the center cut out. The amputation stump can then be placed into the stump sock. The stump sock is then pulled into position using the patient's hand or a dressing stick by using each of the plurality of loops to pull the stump sock into position. The sock-donning tripod comprises a plurality of legs, a top plate, and a brace plate.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: May 2, 2017
    Inventor: Charles Hopper
  • Publication number: 20060178517
    Abstract: Methods are provided for improving production of 3,5-diethyl-1,2-dihydro-1-phenyl-2-propylpyridine (DHP). In one illustrative embodiment, the methods involve controlling the rate of reaction and temperature of the reaction during formation of DHP. In another illustrative embodiment, the methods involve neutralizing the acid catalyst subsequent to DHP formation.
    Type: Application
    Filed: February 10, 2006
    Publication date: August 10, 2006
    Inventors: Martin Grendze, Ramiah Murugan, L. Huckstep, Charles Hopper