Hydraulic pumps and motors for hydrostatic systems, comprised of pumps, motors, valves, switches, sensors and electronic controls, for hydraulic drives and force transmission in machines, machine tools, grinding and food processing machines and in off-road-vehicles

An assembly for downhole drilling and milling, namely, an axial vibration generator and a vibration dampener that introduce axial vibrations to the drill string in order to reduce frictional drag and help transmit weight to the bit to improve rate-of-penetration

specimen testing instruments used to apply cyclic and static loads to a specimen integrated with a controller used for fatigue testing and material testing of the specimen subjected to loads

radio remote control apparatus for control of vehicle-mounted hydraulically operated machinery