Patents by Inventor Derek Parsons

Derek Parsons 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).

  • Lightweight tourniquet
    Patent number: 11684373
    Abstract: A tourniquet is described that includes an outer strap that runs from a first end to a second end having a buckle. An inner strap is routed within the outer strap over a portion of its length and runs through a windlass, which is used to tighten the tourniquet. The inner strap is secured to the outer strap at a position spaced away from the first end of the outer strap and is also secured to the buckle.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: June 27, 2023
    Inventor: Derek Parsons
  • WINDLASS PEN
    Publication number: 20220047273
    Abstract: A tourniquet includes windlass having a cavity and a writing instrument configured to be stored in the cavity. The writing instrument is retained in the cavity through a friction fit and without threads, such that a frictional force decreases as the writing instrument is removed from the cavity.
    Type: Application
    Filed: August 13, 2020
    Publication date: February 17, 2022
    Inventors: Derek Parsons, Zhang Yanfeng
  • Lightweight Tourniquet
    Publication number: 20210000482
    Abstract: A tourniquet is described that includes an outer strap that runs from a first end to a second end having a buckle. An inner strap is routed within the outer strap over a portion of its length and runs through a windlass, which is used to tighten the tourniquet. The inner strap is secured to the outer strap at a position spaced away from the first end of the outer strap and is also secured to the buckle.
    Type: Application
    Filed: September 16, 2020
    Publication date: January 7, 2021
    Inventor: Derek Parsons
  • Filtration
    Patent number: 4301015
    Abstract: In the extraction of coal using a liquid solvent oil, filtration can be assisted by using a filter aid which is of coal origin. The filter aid is produced by high temperature processing of coal or an ash-rich coal-derived residue under conditions at which the ash component of the coal or residue does not fuse. A preferred starting material is filter cake from a coal extraction process.
    Type: Grant
    Filed: December 15, 1980
    Date of Patent: November 17, 1981
    Assignee: Coal Industry (Patents) Limited
    Inventors: Derek A. Parsons, James W. Clarke
  • Medical tourniquet
    Patent number: D810300
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: February 13, 2018
    Inventor: Derek Parsons
  • Adjustable tourniquet
    Patent number: D858774
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: September 3, 2019
    Inventor: Derek Parsons
  • Tourniquet buckle
    Patent number: D906168
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 29, 2020
    Assignee: RECON MEDICAL, LLC
    Inventor: Derek Parsons
  • Windlass clip for a tourniquet
    Patent number: D935618
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: November 9, 2021
    Assignee: Recon Medical, LLC
    Inventor: Derek Parsons
  • Tourniquet buckle
    Patent number: D938593
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: December 14, 2021
    Assignee: Recon Medical, LLC
    Inventors: Derek Parsons, Gregory Michael Pickering