Patents by Inventor Orrett H. Thomas

Orrett H. Thomas 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: 6164383
    Abstract: A fire extinguishing system for vehicles homes and offices includes a firing assembly for attachment to a container of fire extinguishing agent, a firing pin for penetrating the container to release the fire extinguishing agent, the firing pin being moved by an explosive squib or a solenoid, a conduit for carrying fire extinguishing agent to a discharge outlet, and a control system having a capacitor for pulse discharge of electric power to the control head to fire the squib or solenoid. The control box includes a three-position switch for firing the system, putting the system on automatic function, or deactivating the system. Other switches can include sensors for activating the firing pin in response to high temperature, or vehicle impact. One or more optical flame sensors are employed with pulse counting electronic circuitry. Also included herein is an electropneumatic firing assembly employing a movable piston valve.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: December 26, 2000
    Inventor: Orrett H. Thomas
  • Patent number: 5918681
    Abstract: A fire extinguishing system for vehicles includes a firing assembly for attachment to a container of fire extinguishing agent, a firing pin for penetrating the container to release the fire extinguishing agent, the firing pin being moved by an explosive squib or a solenoid, a conduit for carrying fire extinguishing agent to a discharge outlet, and a control system having a capacitor for pulse discharge of electric power to the control head to fire the squib or solenoid. The control box includes a three-position switch for firing the system, putting the system on automatic function, or deactivating the system. Other switches can include sensors for activating the firing pin in response to high temperature or vehicle impact.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: July 6, 1999
    Inventor: Orrett H. Thomas
  • Patent number: 4976172
    Abstract: A bottle opener and key ring for lifting and twisting off bottle caps. It is made from a one piece solid body about 4" by 2". The design shows a hook at one end, a gear teeth type structure at the mid lower base, and a ring for holding keys at the other end. The ring, which carries the keys, is the only moveable part.
    Type: Grant
    Filed: July 27, 1989
    Date of Patent: December 11, 1990
    Inventors: Orrett H. Thomas, Leonora Thomas