Patents by Inventor Mark A. Bowsher

Mark A. Bowsher 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: 9822910
    Abstract: An apparatus for restraining a member includes a gland, a plurality of bolts disposed in the gland, a plurality of wedges disposed in the gland, a ā€œCā€ shaped clip, and a spacer. The gland has pockets and a face having an access opening providing lateral access to each pocket. Each gland pocket includes a wedge having teeth and a cavity. Each cavity includes a slot formed transverse to the bore. The clip is sized to slide through the access opening of the gland and shaped to be closely received in the slot of the wedge. The spacer attaches to the bold and has flexible prongs.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: November 21, 2017
    Assignee: STAR PIPE PRODUCTS, LTD.
    Inventors: Mark A. Bowsher, Sami Firoz
  • Publication number: 20160341343
    Abstract: An apparatus for restraining a member includes a gland, a plurality of bolts disposed in the gland, a plurality of wedges disposed in the gland, a ā€œCā€ shaped clip, and a spacer. The gland has pockets and a face having an access opening providing lateral access to each pocket. Each gland pocket includes a wedge having teeth and a cavity. Each cavity includes a slot formed transverse to the bore. The clip is sized to slide through the access opening of the gland and shaped to be closely received in the slot of the wedge. The spacer attaches to the bold and has flexible prongs.
    Type: Application
    Filed: March 3, 2016
    Publication date: November 24, 2016
    Applicant: STAR PIPE PRODUCTS, LTD.
    Inventors: Mark A. Bowsher, Sami Firoz
  • Patent number: 5058931
    Abstract: Each half of a bifurcated circumferential clamp includes a pair of spaced apart internally oriented semicircular ridges for engaging grooves formed at the end of abutting pipes. Teeth extending adjacent the ridges penetrate the groove walls to physically lock the clamp with the pipes. A circular gasket bridging the abutting pipes and held in place by the clamp seals the junction between the pipes.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: October 22, 1991
    Assignee: Gustin-Bacon Division, a division of Tyler Pipe
    Inventor: Mark A. Bowsher