Patents by Inventor David Paul Campbell

David Paul Campbell 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).

  • Air pressure attenuation device
    Patent number: 10969050
    Abstract: A positive air pressure attenuation device (1) comprising:—a housing (3) with an inner central portion (6) forming a channel (7); and an elastic flexible inflatable reservoir (8) associated to the inner central portion (6), whereby the inner central portion (6) has a wall portion (60) with a plurality of openings (61) forming passages between the channel (7) and the reservoir chamber (8A).
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: April 6, 2021
    Assignee: HERIOT-WATT UNIVERSITY
    Inventors: Michael Gormley, David Paul Campbell
  • AIR PRESSURE ATTENUATION DEVICE
    Publication number: 20190338879
    Abstract: A positive air pressure attenuation device (1) comprising:—a housing (3) with an inner central portion (6) forming a channel (7); and an elastic flexible inflatable reservoir (8) associated to the inner central portion (6), whereby the inner central portion (6) has a wall portion (60) with a plurality of openings (61) forming passages between the channel (7) and the reservoir chamber (8A).
    Type: Application
    Filed: December 19, 2017
    Publication date: November 7, 2019
    Inventors: Michael Gormley, David Paul Campbell