ILS
Mark Identification

ILS

Serial Number

77705370

Filing Date

Apr 2, 2009

Registration Date

May 18, 2010

Trademark by

LUFKIN INDUSTRIES LLC

Classification Information

Oil and gas drilling equipment for use in the field, namely, gas lift systems consisting of gas lift valves, mandrels and latches, all sold as a unit; oil and gas drilling plunger lift systems for use in the field, consisting of plungers, springs, tubing stops, plunger lifts, all sold as a unit; oil and gas well packers for use in oil and gas wells in the field; oil and gas field completion products for use in the field, namely, gas filters, sensor switches, control pilots and plug seals and couplings, all sold as a unit

Machinery

Installation, maintenance and repair of oil and gas field drilling equipment; technical support services, namely, troubleshooting in the nature of repair of oil and gas field drilling equipment

Building Construction and Repair

Custom design and engineering of oil and gas field drilling equipment; new product design services for the oil and gas industry; monitoring of oil and gas field drilling equipment

Computer and Scientific