| KOBE DRESSER EQUIPMENT COMPANY
71660003 25 Jan 1954 | on 02 Apr 1996 | FISHING TOOLS FOR INSERTING OR REMOVING EQUIPMENT WITHIN OIL WELLS-NAM... Class 023 Class 023 Yarns and Threads FISHING TOOLS FOR INSERTING OR REMOVING EQUIPMENT WITHIN OIL WELLS-NAMELY, STANDING VALVE RETRIEVING PRONGS, STANDING VALVE INSERTING PRONGS, AND PUMP RETRIEVERS; STARTING FILTER ASSEMBLIES ADAPTED TO FILTER POWER FLUID INTRODUCED INTO THE ENGINE ENDS OF BOTTOM HOLE HYDRAULIC OIL WELL PUMPS; OIL WELL TUBING CLEANING TOOLS FOR BRUSHING AND SCRAPING TUBING STRINGS; TUBING STRING GAUGING TOOLS; SOLUBLE PLUG INJECTORS FOR INTRODUCING SOLUBLE PLUGS INTO TUBING STRINGS TO REMOVE PARAFFIN FROM SAME; PRESSURE BOMB CARTRIDGES ADAPTED TO HOLD PRESSURE BOMBS FOR BOTTOM HOLE PRESSURE SURVEYS; KNOCK OUT COLLARS FOR BLEEDING POWER FLUID FROM POWER OIL TUBING STRINGS PRIOR TO REMOVAL FROM WELLS; SEATING SHOES PROVIDING A FLUID SEAL BETWEEN BOTTOM HOLE PUMP INTAKES AND EXHAUSTS; GAS ANCHORS TO SEPARATE WELL FLUID FROM ENTRAINED GASES WITHIN OIL WELLS; LUBRICATORS FOR INSERTING OR REMOVING HYDRAULIC PUMPS AGAINST PRESSURE IN TUBING STRINGS; BOTTOM HOLE ASSEMBLIES FOR RECEIPT OF BOTTOM HOLE HYDRAULIC OIL WELL PUMPS; AND PACKER NOSE ASSEMBLIES FOR ATTACHMENT TO BOTTOM HOLE HYDRAULIC OIL WELL PUMPS | | | KOBE DRESSER EQUIPMENT COMPANY
71660002 25 Jan 1954 | on 11 Sep 1995 | CONTROL VALVE FOR FLUID OPERATED HYDRAULIC PUMP INSTALLATIONS; SELECTO... Class 013 Class 013 Firearm Products CONTROL VALVE FOR FLUID OPERATED HYDRAULIC PUMP INSTALLATIONS; SELECTOR VALVE FOR CONTROLLING DIRECTION OF OIL THROUGH BOTTOM HOLE PUMP ASSEMBLIES; STANDING VALVE ASSEMBLY ADAPTED TO REST WITHIN A BOTTOM HOLE ASSEMBLY FOR PROVIDING COMMUNICATION BETWEEN THE INTAKE OF A BOTTOM HOLE HYDRAULIC OIL WELL PUMP THROUGH THE BOTTOM HOLE ASSEMBLY WITH THE OIL WELL BORE AND FOR SHUTTING OFF SAID COMMUNICATION WHEN THE PUMP IS REMOVED FROM THE BOTTOM HOLE ASSEMBLY; CHECK VALVE FOR USE WITHIN POWER TUBING TO PREVENT BACKFLOW OF WELL FLUID THROUGH A BOTTOM HOLE HYDRAULIC PUMP WHEN THE LATTER IS LOWERED INTO AN OIL WELL; AND SMALL DIAMETER HIGH PRESSURE PIPE AND TUBING | | | FULL VIEW DRESSER EQUIPMENT COMPANY
71637269 28 Oct 1952 | on 07 Aug 1995 | WELL DRILLING MASTS AND DERRICKS,WELL DRILLING MASTS AND DERRICKS Class 023 Class 023 Yarns and Threads WELL DRILLING MASTS AND DERRICKS | | | KOBE DRESSER EQUIPMENT COMPANY
71645554 20 Apr 1953 | on 13 Mar 1995 | OIL SOLUBLE PLUGS ADAPTED TO BE INSERTED INTO PIPE LINES TO REMOVE DEP... Class 006 OIL SOLUBLE PLUGS ADAPTED TO BE INSERTED INTO PIPE LINES TO REMOVE DEPOSITS OF PARAFFIN FROM THE INNER SURFACES OF THE PIPE LINES BY MECHANICAL ACTION AS THE PLUGS ARE CONVEYED THROUGH THE LINES | |