Patents Assigned to Hydrostor, Inc.
  • Energy-accumulation apparatus
    Patent number: 9410559
    Abstract: An energy-accumulation apparatus includes a variable-buoyancy assembly configured to be selectively buoyant in a body of water. The energy-accumulation apparatus also includes a delivery assembly coupled to the variable-buoyancy assembly. The delivery assembly is configured to deliver the variable-buoyancy assembly within the body of water between a first position to a second position.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 9, 2016
    Assignee: Hydrostor, Inc.
    Inventors: Curtis VanWalleghem, Cameron Lewis