Patents by Inventor Thomas G. Carren

Thomas G. Carren 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).

  • Modular storage tank
    Patent number: 4331252
    Abstract: A prefabricated modular storage tank particularly suitable for the containment of liquids wherein frame members of uniform length may be fitted and bolted together on site, the frame members together with cross tensioning means operating to support and contain the hydrostatic load imposed upon thin gauged sheet metal panels which in turn contain and support a liquid impervious liner.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: May 25, 1982
    Assignee: ModuTank, Inc.
    Inventors: Thomas G. Carren, Asher B. Etkes
  • Tricycle construction
    Patent number: 4168846
    Abstract: A novel tricycle wherein a seat and rearward wheel assembly are movable together and are variably secured to a central frame section toward or away from the forward wheel and handlebars in order to accommodate various sizes of riders while maintaining the same weight distribution of riders with respect to the rear wheels.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: September 25, 1979
    Assignee: PCA Industries, Inc.
    Inventor: Thomas G. Carren