| OSCA BAKER HUGHES INCORPORATED
76414129 30 May 2002 | on 11 Jul 2014 | Chemicals for use in oil and gas recovery, namely, polymer and non-pol... Class 001 Class 001 Chemical Products Color is not claimed as a feature of the mark. | | | OSCA BAKER HUGHES INCORPORATED
76414130 30 May 2002 | on 04 Jul 2014 | Chemicals for use in oil and gas recovery, namely, polymer and non-pol... Class 001 Class 001 Chemical Products Chemicals for use in oil and gas recovery, namely, polymer and non-polymer based fracturing fluids, drill-in fluids, workover fluids and sand control fluids; chemical additives, namely, corrosion inhibitors, scale inhibitors, biocides, surfactants, lost circulation materials and defoamers | | | RUFFBRUSH BAKER HUGHES INCORPORATED
78941253 31 Jul 2006 | on 10 Jan 2014 | CLEANING MACHINES AND APPARATUSES FOR USE IN CLEANING THE CASING OR LI... Class 007 Class 007 Machinery Products CLEANING MACHINES AND APPARATUSES FOR USE IN CLEANING THE CASING OR LINER OF A WELL BORE OR PIPE; CASING SCRAPERS AND BRUSHES; PARTS AND FITTINGS FOR THE AFORESAID | |