142359 ⎘
Rotary-piston engines of intermeshing-engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
JOINT FOR DOWNHOLE MOTOR
#2FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
#3RUBBER COMPOUND REINFORCED WITH ALTERNATIVE FIBERS
#4POWER GENERATION SYSTEM
#5Rubber compound with fiber reinforcement
#6FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
#7Hydraulic fluid flow control
#8Fiber-reinforced rubber compound useful in PDM stators
#9Rubber compound with high fiber loading useful in PDM stators
#10Hydraulic motor with anti-cogging features
#11Flow-through pulsing assembly for use in downhole operations
#12Rotary fluid pressure device with drive-in-drive valve arrangement
#13Load balanced power section of progressing cavity device
#14Gear pump or motor with features for determining if assembled correctly
#15Hydrostatic transmission assembly and system
#16Hybrid elastomer/metal on metal motor
#17Stator assembly for a progressive cavity pump or a progressive cavity motor as well as method for manufacturing and repairing the same
#18Gear pump or gear motor with shaft connecting member
#19Fiber-loaded rubber compound useful in PDM stators
#20Flow-through pulsing assembly for use in downhole operations
#21Load balanced power section of progressing cavity device
#22Hydraulic motor disc valve optimization
#23Mud motor inverse power section
#24Elastase treatment of tissue matrices
#25Hydraulic motor brake
#26Downhole tools with progressive cavity sections, and related methods of use and assembly
#27PDM performance simulation and testing
#28HYDRAULIC DEVICE WITH SLEEVE INSERT
#29Hydrostatic transmission assembly and system
#30Gear pump and gear motor
#31Fiber reinforced elastomeric stator
#32Eccentrically piloted hydraulic commutator
#33Positive displacement motor with radially constrained rotor catch
#34Optimized fiber loading of rubber useful in PDM stators
#35Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
#36Variable delivery external gear machine
#37Hybrid elastomer/metal on metal motor
#38Gear pump or motor
#39Turbomachine which can be operated both as hydraulic motor and as pump
#40Elastase treatment of tissue matrices
#41Variable diameter stator and rotor for progressing cavity motor
#42Redundant pressure control
#43Nitrogen- and ceramic-surface-treated components for downhole motors and related methods
#44Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
#45Nutating fluid-mechanical energy converter
#46Downhole motor stator and method of manufacture
#47Nitrogen- and ceramic-surface-treated components for downhole motors and related methods
#48Positive displacement motor with radially constrained rotor catch
#49Fluid-pressure apparatus with gears having tooth profiles
#50Torque-generating steering device
#51Net-displacement control of fluid
#52Bearing/gearing section for a PDM rotor/stator
#53Hydraulic motor
#54Freewheel hydraulic motor
#55Combined motor and brake with rotating brake-release piston
#56Apparatus and methods utilizing progressive cavity motors and pumps with rotors and/or stators with hybrid liners
#57Downhole motors and pumps with asymmetric lobes
#58Net-displacement control of fluid device
#59Plasma treatment in fabricating directional drilling assemblies
#60Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
#61Methods of coating wellbore tools and components having such coatings
#62Downhole motors with a lubricating unit for lubricating the stator and rotor
#63Drilling motors with elastically deformable lobes
#64Cooling system for gerotor motor
#65PERIPHERAL PUMP-TURBINE
#66Pressure compensation system for an oil-sealed mud motor bearing assembly
#67Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps
#68Balance plate assembly for a fluid device
#69Components and motors for downhole tools and methods of applying hardfacing to surfaces thereof
#70Undercut stator for a positive displacment motor
#71Fluid rotary machine with a sensor arrangement
#72Fluid rotary machine capable of high-accuracy detection of shaft rotation
#73Bi-rotational hydraulic motor with optional case drain
#74Geroller hydraulic motor with anti-cogging structure
#75HYDRAULIC PUMP OR HYDRAULIC MOTOR HAVING A ROTATION SPEED SENSOR
#76Integrated hydraulic motor and winch
#77Cooling system for gerotor motor
#78Elastase treatment of tissue matrices
#79Rotary Motor With Intermittent Movements of the Rotors
#80Net-displacement control of fluid motors and pumps
#81Rotary fluid pressure device with modular multi-speed control mechanism
#82Hydraulic rotary motor
#83Rotor with cut-outs
#84Axial flow positive displacement worm compressor
#85Axial flow positive displacement worm gas generator
#86Balancing plate—shuttle ball
#87Method and apparatus for shifting speeds in a fluid-actuated motor
#88Inner and outer motor with eccentric stabilizer
#89Gerotor mechanism for a screw hydraulic machine
#90Rotary fluid pressure device and improved brake assembly for use therewith
#91Rotary piston engine
#92Gas turbine engine system
#93Low speed, high torque rotary abutment motor
#94Method and hydromachine for controlling a displacement
#95Housing including shock valves for use in a gerotor motor
#96Gear motor start up control