Patents by Inventor David Alfred Simm

David Alfred Simm 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).

  • CHANGING ELEVATION BASED ON COMBINING A LIQUID WITH A SUBSTRATE
    Publication number: 20210061488
    Abstract: A technique for varying buoyancy of an apparatus includes providing a substrate configured to produce gas on demand when exposed to a liquid, exposing the substrate to such liquid, and capturing the gas produced by the substrate to increase the buoyancy of the apparatus within a fluid. In some examples, the liquid and the fluid contain the same material, such that gas may be produced using fluid already in the environment.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Inventors: Mark W. Smithers, David Alfred Simm, Katherine Conner