Patents by Inventor Glen Calla

Glen Calla 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).

  • Security valve
    Patent number: 8851445
    Abstract: A security valve having a body, a fluid control device, and an internal locking structure. The internal locking structure allows for partial movement of the valve before locking the fluid control device in place. A piping system based on the valve.
    Type: Grant
    Filed: July 15, 2011
    Date of Patent: October 7, 2014
    Inventors: Glen Calla, Steven Calla
  • Security Valve
    Publication number: 20130014839
    Abstract: A security valve having a body, a fluid control device, and an internal locking structure. The internal locking structure allows for partial movement of the valve before locking the fluid control device in place. A piping system based on the valve.
    Type: Application
    Filed: July 15, 2011
    Publication date: January 17, 2013
    Inventors: Glen Calla, Steven Calla