Perimeter Solutions LP

Icl Performance Products LP

Darrell Clark Fee

Frank H Parker, Jr

Robert J Dodson, Jr

Rene Maldonado

Eric Linder

Brett Klaas

Mark Willmore

Enrique E Romagosa

Nick Williams

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.

Gate valve sealing ring flow guide

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.

Container having gate valve

Methods of preparing a cross-linked, polymer-modified asphalt is provided. The method involves adding a crosslinking agent to asphalt prior to the addition of a crosslinkable polymer and an acid. Asphalt prepared by the disclosed methods exhibit improved properties such as properties measured by the Multiple Stress Creep Recovery (MSCR) test.

Polymer-modified asphalt with a crosslinking agent and methods of preparing

Growing community of inventors

Chesterfield, MO, United States of America

Darrell Clark Fee