Oct 27, 2021 | Press Release
PropX, the last word in last mile logistics for the oilpatch, is excited to announce that we have been acquired by Liberty Oilfield Services (NYSE: LBRT) This combination will enable PropX to enhance our equipment development as well as our logistics data, software...
May 20, 2020 | Press Release
Proppant Express Investments Prevails in U.S. Court of Appeals for Federal Circuit: PropX Did Not Infringe on SandBox Logistics Intellectual Property, Upholding Federal District Court Ruling DENVER, May 20, 2020 (GLOBE NEWSWIRE) — Proppant Express Investments,...
Sep 16, 2019 | Press Release
Proppant Express Investments Prevails in Patent Trial and Appeal Board Ruling Resulting in Invalidation of SandBox Logistics Patent Claims DENVER, COLORADO, September 16, 2019 Proppant Express Investments, LLC (PropX) today announced that the United States Patent and...
Feb 18, 2019 | Press Release
Proppant Express Investments Prevails Again by Invalidating 24 SandBox Logistics Patent Claims DENVER, COLORADO, February 18, 2019 Proppant Express Investments, LLC (“PropX”) today announced that on February 14, 2019 the U.S. Patent and Trademark Office...
Jan 22, 2019 | Press Release
DENVER, COLORADO, Jan. 22,2019 Proppant Express Investments, LLC (“PropX”) announced today that the U.S. District Court for the Southern District of Texas has dismissed all patent infringement claims asserted by SandBox Logistics, LLC...
