Patents by Inventor David Craig Chadwick

David Craig Chadwick 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).

  • Publication number: 20200230379
    Abstract: Devices used to pressurize, depressurize, or otherwise displace fluid are disclosed. The devices may be configured to displace fluid in order to inflate or deflate a medical device, such as a balloon. The devices further include a crank member for providing a mechanical advantage when pressurizing or otherwise displacing fluid. The devices further include adding reinforcement fibers and slip agents to polymeric materials.
    Type: Application
    Filed: January 16, 2020
    Publication date: July 23, 2020
    Inventors: Adam Simmons, David Craig Chadwick
  • Publication number: 20150051543
    Abstract: Devices used to pressurize, depressurize, or otherwise displace fluid are disclosed. The devices may be configured to displace fluid along a line in order to inflate or deflate a medical device, such as a balloon. The devices may be configured to withstand high pressures. One or more portions of the devices may be reinforced. Additionally, the angles at which various components interact may be configured for use with certain pressures.
    Type: Application
    Filed: August 15, 2014
    Publication date: February 19, 2015
    Inventors: David Craig Chadwick, Brian Stevens, William Padilla