HOT-HED
Filed: July 6, 1982
Chemical Heater for Preheating Well Heads and Casing to Welding Temperatures for Use in the Oil Well Drilling Industry
Owned by: Hot-Hed, Inc.
Serial Number: 73373240
HOT-HED
Filed: March 22, 1985
CHEMICAL HEATER FOR PREHEATING WELL HEADS AND CASING TO WELDING TEMPERATURE FOR USE IN THE OIL WELL DRILLING INDUSTRY
Owned by: Hot-Hed, Inc.
Serial Number: 73528247
HOT CHEK
Filed: July 12, 1985
GAS DETECTION KIT COMPRISING A CANNISTER, GAUGES, AND CONNECTING HOSES
Owned by: Hot-Hed, Inc.
Serial Number: 73547680
HABITAT
Filed: May 21, 1990
inflatable enclosure to retain sparks, or the like, during welding operations
Owned by: Hot-Hed, Inc.
Serial Number: 74061204
MUDMISER
Filed: July 15, 1994
hand operated tools for the drilling, completion or workover of subterranean oil or gas wells, namely tools for controlling…
Owned by: Hot-Hed, Inc.
Serial Number: 74549682
HOT-HED
CHEMICAL HEATERS FOR USE IN WELDING, NAMELY, HEATERS WHICH USE CHEMICALS FOR USE IN PRE-HEATING WELL HEADS AND CASINGS TO…
Owned by: Hot-Hed, Inc.
Serial Number: 76647057
