September 23, 2014
A Texas federal judge on Tuesday refused to throw out a $650,000 verdict L.C. Eldridge Sales Co. Inc. scored in litigation over an oil-rig exhaust system patent, but said there was not enough evidence to support the jury's finding of willful infringement.
May 24, 2013
A Texas federal judge on Thursday affirmed the validity of an L.C. Eldridge Sales Co. Inc. patent for an oil-rig exhaust system, shooting down arguments that the patent was indefinite made by several rig manufacturers and owners that Eldridge has sued for infringement.
December 10, 2012
A Texas federal judge on Monday ruled that sales activity within the U.S. was sufficient to allow a patent infringement suit against an offshore oil rig technology manufacturer to continue, rejecting the manufacturer's argument the allegedly infringing activity was out of the reach of the U.S. Patent Act.