152062 ⎘
Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing; Details Features relating to lubrication
Concentric Valve Skirts
#2Concentric Valve Skirts
#3VOID PLUGS AND EXPANDING SEALS FOR GATE VALVES
#4Gate Valves with Dynamic Skirts and Multiple Energizers
#5Dynamic Slab Gate Valves
#6Slab Gate Valves and Methods of Retrofitting
#7Slab gate valves and methods of retrofitting
#8Dynamic Slab Gate Valves
#9Dynamic Slab Gate Valves
#10HYDRAULIC FRACTURING PLAN AND EXECUTION OF SAME
#11Hard and lubricious valve surfaces, material compositions and sequences of manufacturing
#12OIL AND GAS OPERATIONS WITH VALVE OPERABLY COUPLED TO WELLHEAD
#13OIL AND GAS OPERATIONS WITH VALVE OPERABLY COUPLED TO WELLHEAD
#14Valve insert system
#15GATE VALVE CAVITY REDUCER
#16SYSTEMS AND METHODS FOR GATE VALVES
#17CAVITY FILLER FOR A GATE VALVE
#18A GAS VALVE WITH ROTATING DISC MEMBER
#19Bleeding off a hydraulic fracturing manifold used in oil and gas extraction operations
#20Hydraulic fracturing plan and execution of same
#21Valve insert system
#22Hydraulic fracturing plan and execution of same
#23Valve control and/or lubrication system
#24High-temperature low-friction cobalt-free coating system for gate valves, ball valves, stems, and seats
#25Pressure-balanced gate valve
#26Hydraulic fracturing plan and execution of same
#27Intelligently controlled fluid systems
#28Intelligently controlled fluid systems
#29Valve control and/or lubrication system
#30Material compositions and sequences of manufacturing
#31Systems and methods for gate valves
#32Valve assembly, vacuum assembly and method
#33Valve control and/or lubrication system
#34Method for diagnosing sticking of lubrication control valve of hybrid vehicle
#35Hard and lubricious valve surfaces, material compositions and sequences of manufacturing
#36Valve grease blocks for high pressure valves and high pressure valves using the same
#37HIGH PRESSURE VALVES
#38Valve insert system
#39Needle valve and connectors for use in liquid transfer apparatuses
#40Lubrication system for a gate valve
#41Nuisance marine growth preventing compound and valve system
#42Tool for unseizing and lubricating well valves, and method of unseizing said valves
#43Valve insert system
#44Tool for unseizing and lubricating well valves, and method of unseizing said valves
#45High pressure grease fitting tool for online replacement
#46Lubrication system for a gate valve
#47Well gate valve greasing tool and method of use
#48Seat system for coke drum deheading valve
#49High temperature coating resistant to damage from decompression
#50Rotary supply joint, rotary timing valve and product handling apparatus
#51Method and Apparatus for the Sealing of Valves
#52Concentric valve skirts
#53Gate valve with angled body