Patents by Inventor Darrell Clark Fee

Darrell Clark Fee 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).

  • Gate valve sealing ring flow guide
    Patent number: 10962121
    Abstract: A valve and associated components and methods, and a container including such a valve. The valve can include a flow guide to guide flow of material away from a sealing engagement between sealing members of the valve. The flow guide assists in preventing ingress of material between the sealing members to maintain proper function of the valve.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: March 30, 2021
    Assignee: Perimeter Solutions LP
    Inventors: Darrell Clark Fee, Robert J. Dodson, Jr., Frank H. Parker, Jr.
  • GATE VALVE SEALING RING FLOW GUIDE
    Publication number: 20200200281
    Abstract: A valve and associated components and methods, and a container including such a valve. The valve can include a flow guide to guide flow of material away from a sealing engagement between sealing members of the valve. The flow guide assists in preventing ingress of material between the sealing members to maintain proper function of the valve.
    Type: Application
    Filed: February 18, 2019
    Publication date: June 25, 2020
    Inventors: Darrell Clark Fee, Robert J. Dodson, JR., Frank H. Parker, JR.
  • Container having gate valve
    Patent number: 10472169
    Abstract: A valve and associated components and methods, and a container including such a valve. The valve may be referred to as a non-rising stem gate valve. The valve includes a gate movable by a drive assembly to open and close the valve. The drive assembly includes a thrust bearing assembly configured to resist damage due to thrust force. The thrust bearing assembly can include a race threaded to a drive shaft of the drive assembly. The race can be pinned to the drive shaft by a roll pin.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: November 12, 2019
    Assignee: Perimeter Solutions LP
    Inventors: Frank H. Parker, Jr., Robert J. Dodson, Jr., Darrell Clark Fee, Mark Willmore, Eric Linder, Brett Klaas, Nick Williams