FLEXBAR
Filed: February 9, 1989
WEIGHTED SINKER BARS FOR OIL WELL PUMPS
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 73779579
WCN
Filed: November 13, 1989
WELL PUMPING EQUIPMENT, NAMELY, SUCKER RODS, PONY RODS AND SUCKER ROD COUPLINGS
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 73837914
QUARTZDYNE
Filed: October 9, 1990
electronic measuring, reference and calibration apparatus and instruments for use in sensing and measuring [ density, flow…
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 74105569
Image Trademark
Filed: October 9, 1990
electronic measuring, reference and calibration apparatus and instruments for use in sensing and measuring density, flow…
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 74105571
SIDEWINDER
Filed: December 24, 2008
Non-metal rod centralizing guide for use in subterranean oil and gas wells, whereby the guide attaches to a cylindrical…
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 77639647
NORRIS BLUEMAX ROD PIN LUBRICANT
Filed: August 11, 2009
Lubricants for use with rods used in downhole applications in the oil and gas industry
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 77801870
NOR-PEENING
Filed: September 8, 2010
metal treatment services, namely, a shot-peening process to extend fatigue life and enhance corrosion tolerance of sucker…
Owned by: APERGY (DELAWARE) FORMATION, INC.
Serial Number: 85124861
