Patents by Inventor Peter Grimsey

Peter Grimsey 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).

  • Breathing apparatus
    Patent number: 9327808
    Abstract: A double counterlung for the breathing circuit of a diver has regulators (41, 51) for automatic addition and venting of breathing gas. Also disclosed is a weighted hinged plate (3) for a double counterlung, to reduce breathing effort when the diver is horizontal. Other improvements to the breathing circuit are described including use of a two stage compressor (151, 155), and single actuator valves for back-up circuits.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: May 3, 2016
    Assignee: GRIMSEY MARINE TECHNOLOGY LIMITED
    Inventor: Peter Grimsey
  • Breathing Apparatus
    Publication number: 20110297153
    Abstract: A double counterlung for the breathing circuit of a diver has regulators (41, 51) for automatic addition and venting of breathing gas. Also disclosed is a weighted hinged plate (3) for a double counterlung, to reduce breathing effort when the diver is horizontal. Other improvements to the breathing circuit are described including use of a two stage compressor (151, 155), and single actuator valves for back-up circuits.
    Type: Application
    Filed: February 26, 2010
    Publication date: December 8, 2011
    Applicant: GRIMSEY MARINE TECHNOLOGY LIMITED
    Inventor: Peter Grimsey