Patents by Inventor David C. Bellenger

David C. Bellenger 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: 6178990
    Abstract: A drop chute spill guard contains spills in conjunction with a loading hose supplying fuel to an in-ground storage tank. The spill guard includes a flexible barrier sized to surround the sump and a sealing ring having an outside diameter substantially corresponding to a diameter of the sump. An opening is disposed in the vicinity of the tank inlet and extends through the barrier and the sealing ring for receiving the drop chute.
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: January 30, 2001
    Assignee: Spillguard Development LLC
    Inventors: David C. Bellenger, Danny Lee Smith
  • Patent number: 5934312
    Abstract: A drop chute spill guard contains spills in conjunction with a loading hose supplying fuel to an in-ground storage tank. The spill guard includes a flexible barrier sized to surround the sump, an absorption layer disposed covering the flexible barrier, and a sealing ring with a stiffener ring secured to the flexible barrier and having an outside diameter substantially corresponding to a diameter of the sump. An opening is disposed in the vicinity of the tank inlet and extends through the absorption layer, the flexible barrier, the sealing ring, and the stiffener ring for receiving the drop chute. The arrangement provides effective spill containment with a portable apparatus. The absorption layers are easily replaced in the event of contamination, and the sealing ring is provided with a stepped outside diameter to accommodate varying sump diameters.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: August 10, 1999
    Assignee: Spillguard Development LLC
    Inventors: David C. Bellenger, Danny Lee Smith