BEST PUMPS IN THE OIL PATCH
Filed: November 26, 1956
OIL WELL PUMPS
Owned by: HARBISON-FISCHER, INC.
Serial Number: 72019888
ENVIRO-SEAL
oil and gas wellhead tools and equipment; namely, pollution control stuffing boxes
Owned by: HARBISON-FISCHER, INC.
Serial Number: 76434193
EZ-PAK
oil and gas wellhead tools and equipment; namely, injectable packing stuffing boxes
Owned by: HARBISON-FISCHER, INC.
Serial Number: 76434219
GAS VENT
Oil well pumps, gas well pumps, and water well pumps
Owned by: HARBISON-FISCHER, INC.
Serial Number: 77822735
HF OPTI-MISER WELL CONTROL SYSTEM
Oil field equipment, namely, plunger lift systems consisting of plungers, plunger pads, springs, valves, hold down assemblies…
Owned by: HARBISON-FISCHER, INC.
Serial Number: 77936023
ADJUSTA-GUIDE
Metal well-pump machine parts for maximizing pump compression ratio, namely valve rod guides and pull tube guides
Owned by: HARBISON-FISCHER, INC.
Serial Number: 78455568
