Patents by Inventor Stephen M. Robson

Stephen M. Robson 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).

  • Respirators
    Patent number: 4294243
    Abstract: The invention provides a nose occlusion facility on respirators of the type in which a hood and visor combination envelops the head of a wearer and carries an oronasal mask for supplying respiratory gas to the wearer. The nose occlusion facility is manually operable and comprises a lever device mounted on the exterior of the visor and associated with arms operative to pinch the wearer's nose in the region of the lobes thereof.
    Type: Grant
    Filed: December 8, 1978
    Date of Patent: October 13, 1981
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: John Ernsting, Thomas R. Morgan, Leonard F. W. Palmer, Alfred J. Rivers, Stephen M. Robson
  • Respirators
    Patent number: RE31424
    Abstract: The invention provides a nose occlusion facility on respirators of the type in which a hood and visor combination envelops the head of a wearer and carries an oronasal mask for supplying respiratory gas to the wearer. The nose occlusion facility is manually operable and comprises a lever device mounted on the exterior of the visor and associated with arms operative to pinch the wearer's nose in the region of the lobes thereof.
    Type: Grant
    Filed: October 27, 1982
    Date of Patent: October 25, 1983
    Assignees: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland, The United States of America as represented by the Secretary of the Air Force
    Inventors: John Ernsting, Thomas R. Morgan, Leonard F. W. Palmer, Alfred J. Rivers, Stephen M. Robson