Patents by Inventor Arnold D. Morris

Arnold D. Morris 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).

  • Gas cylinder safety valve
    Patent number: 5103860
    Abstract: A safety valve is adapted to fit into the stem of a conventional service valve of a high pressure gas cylinder to prevent the escape of gas when the external part of the service valve is broken off. A plunger within the safety valve is biased away from a valve seat until a high pressure differential exists within the flow channels.
    Type: Grant
    Filed: August 23, 1990
    Date of Patent: April 14, 1992
    Inventor: Arnold D. Morris