U.S. federal trademark · Serial No. 75544879 · Reg. No. 2451436
rubber seal rings with plastic inserts for use in stuffing boxes; dome packing made primarily of rubber for use with stuffing boxes
Oilfield and gas production and exploration products, namely, rotary pumps and structural and replacement parts therefore; progressing cavity pumps and structural and replacement parts therefore; progressing cavity pump drivehead assemblies and structural and replacement parts therefore; progressing cavity pump rotors, stators, connecting rods, drive shafts, gear joints, ring gears, and thrust plates; positive displacement motors and structural and replacement parts therefore; power sections for drilling mudmotors; plastic guides for sucker rods; and wellheads
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.