| Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384) |
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| 02/08/1994 | US5285027 Hydraulic elevator and a control method thereof |
| 02/08/1994 | US5284083 System for powering the driving actuator of an aircraft undercarriage |
| 02/03/1994 | WO1994002743A1 Control device for at least one hydraulic consumer |
| 02/01/1994 | US5282378 Fluid actuated, double acting machine for punching, cutting, bending or the like |
| 02/01/1994 | US5282363 Hydraulic circuit for running a crawler vehicle |
| 01/25/1994 | US5280807 Supply circuit for a two-tube hydraulic system |
| 01/20/1994 | WO1994001682A1 Inertial body driving unit |
| 01/20/1994 | DE4318945A1 Pilot-actuated four-way selector valve controlling earth moving machinery, etc. - has spool constrained by variable stiffness spring which allows shovel lower and shovel float positions of pilot valve operating lever to be spaced safely apart |
| 01/20/1994 | DE4223389A1 Steueranordnung für mindestens einen hydraulischen Verbraucher Control arrangement for at least one hydraulic consumer |
| 01/19/1994 | EP0579037A1 Hydropneumatic pressure intensifier |
| 01/19/1994 | CN2153667Y Hydraulic system for boaching machine |
| 01/18/1994 | US5279322 Exhaust valve |
| 01/18/1994 | US5279122 Hydraulic circuit apparatus for supplying fluid under pressure into hydraulic cylinders for work implement |
| 01/18/1994 | US5279121 Flow control valve with pilot operation and pressure compensation |
| 01/12/1994 | EP0577955A1 Hydropneumatic pressure transformer |
| 01/12/1994 | EP0393195B1 Fluid control mechanism for power shovels |
| 01/11/1994 | US5277264 Hydropneumatic hammer |
| 01/05/1994 | DE4322127A1 Hydraulic switch for open centre hydraulic distributor - has fluid flow regulator between control inlet and main pipe |
| 01/04/1994 | US5275085 Control device for pneumatic cylinder |
| 12/28/1993 | US5273069 Operation valve with pressure compensation valve |
| 12/28/1993 | CA1325579C Inline partial float |
| 12/23/1993 | WO1993025817A1 Pneumatic jack |
| 12/22/1993 | EP0574604A1 Electro-hydraulic adjusting device, in particular for the rear wheel steering of a motor vehicle |
| 12/22/1993 | CN1023196C Control system for shot machine |
| 12/21/1993 | US5271227 Hydraulic apparatus with pressure compensating valves |
| 12/21/1993 | US5271186 For cleaning and polishing the surface of a cylindrical roll |
| 12/16/1993 | DE4236270A1 Valve arrangement for control of pressure in a hydraulic fluid power system - has valve with motor driven setting stage providing operative point for fluid supplied to hydraulic actuator |
| 12/15/1993 | EP0286683B1 Hydraulic pilot type direction control valve |
| 12/15/1993 | CN1023144C Hydraulic oil safety and power system |
| 12/09/1993 | WO1993024757A1 Hydraulic driving system |
| 12/08/1993 | EP0572395A1 Load sensing hydraulic control system. |
| 12/08/1993 | CN1079277A Electric liquid proportional logic multiway valve |
| 12/07/1993 | US5267441 Method and apparatus for limiting the power output of a hydraulic system |
| 12/01/1993 | EP0571431A1 An optical sensor. |
| 12/01/1993 | EP0478675B1 A loading machine equipped with a first and a second pump supplying pressure oil to at least one hydraulically driven working component, such as a hydraulic piston-cylinder device or hydraulic motor |
| 11/30/1993 | US5265423 Air-oil pressure intensifier with isolation system for prohibiting leakage between and intermixing of the air and oil |
| 11/25/1993 | WO1993023201A1 Tandem pneumatic/hydraulic reciprocating cylinder with integral oil reservoir |
| 11/24/1993 | EP0366815B1 Hydraulic drive unit for construction machinery |
| 11/24/1993 | CN1078772A Hydraulic device with synchronous jacks |
| 11/24/1993 | CN1022855C Power transmission |
| 11/23/1993 | US5263400 Hydraulic control device |
| 11/17/1993 | CN1078542A Apparatus for controlling of hydraulic sliding valves |
| 11/16/1993 | US5261314 Directional control valve for pneumatic cylinder |
| 11/16/1993 | US5261234 Hydraulic control apparatus |
| 11/16/1993 | US5261232 Valve system for supplying fluid from a pair of fluid pressure sources to a load |
| 11/11/1993 | WO1993022233A1 A method and apparatus for conveying pressure medium to actuators |
| 11/11/1993 | DE4214409A1 Hydro-pneumatic pressure intensifier - has rocker arm to control simultaneously venting orifice and feed nipple for oil storage chamber |
| 11/09/1993 | US5259293 Hydraulic control device |
| 11/09/1993 | US5259192 Hydraulic circuit system |
| 11/03/1993 | EP0567727A1 Actuator |
| 11/03/1993 | CN2145275Y Hydraulic driving apparatus |
| 11/02/1993 | US5258913 Method and apparatus for leveling a body |
| 10/28/1993 | WO1993021510A1 High frequency vibration test fixture with hydraulic servo valve and piston actuator |
| 10/28/1993 | WO1993021447A1 Control valve with pressure compensator valves |
| 10/28/1993 | WO1993021446A1 Pressure oil supplying device |
| 10/28/1993 | WO1993021395A1 Hydraulic circuit device for construction machines |
| 10/27/1993 | EP0566720A1 Multistage telescope jib. |
| 10/27/1993 | CN2144726Y Sand mulling power transmission device for mulling |
| 10/26/1993 | US5255705 Hydraulic pressure control system |
| 10/26/1993 | US5255591 Fluid powered indexing apparatus |
| 10/26/1993 | US5255590 Control device for the load- dependent connection of a hydraulic stand by motor to a base-load motor |
| 10/24/1993 | CA2081594A1 Pressure intensifier cylinder utilizing air |
| 10/20/1993 | EP0566449A1 Hydraulic maximum load and pressure compensating valve |
| 10/20/1993 | EP0566203A1 Device with synchronous hydraulic jacks |
| 10/19/1993 | US5253672 Hydraulic pressure control system |
| 10/19/1993 | CA2024432C Means for receiving and subsequently emptying hydraulic fluid from a hydraulic system |
| 10/14/1993 | WO1993020354A1 Hydraulic device with synchronous jacks |
| 10/14/1993 | DE4212184A1 Hydraulic control unit for double acting working cylinder esp. in vehicle steering unit - controls both working volumes by one 4/3-way valve with hydraulic shut off valve connected between each working vol. and 4/3-way valve |
| 10/13/1993 | EP0564950A1 Programmable rotary actuator |
| 10/13/1993 | EP0564939A1 Hydraulic control system for several motors |
| 10/12/1993 | US5251705 Hydraulic circuit |
| 10/12/1993 | US5251444 Hydraulic drive system and valve apparatus |
| 10/12/1993 | US5251442 Fluid power regenerator |
| 10/12/1993 | CA2001707C Air-oil pressure intensifier cylinder |
| 10/06/1993 | EP0563514A1 Load-independent hydraulic driving apparatus for implements of construction machines |
| 10/05/1993 | US5249504 Pneumatic booster |
| 10/05/1993 | US5249421 Hydraulic control apparatus with mode selection |
| 09/30/1993 | WO1993019302A1 Multistage hydraulic cylinder |
| 09/30/1993 | DE4209649A1 Mehrstufiger hydraulischer Zylinder Multi-stage hydraulic cylinder |
| 09/29/1993 | EP0562096A1 Loading crane. |
| 09/29/1993 | EP0379595B1 Hydraulic driving apparatus |
| 09/28/1993 | US5247914 Intake- and/or exhaust-valve timing control system for internal combustion engines |
| 09/28/1993 | US5247871 Combined pneumatic-hydraulic press head with high actuation speed |
| 09/28/1993 | US5247870 Combined pneumatic-hydraulic press with controlled stroke |
| 09/23/1993 | DE4307638A1 Device for controlling hydraulic device in applications that require long idle times and short operating times |
| 09/22/1993 | EP0561185A1 Hydraulic valve spool control for actuators with uneven piston velocities |
| 09/22/1993 | EP0561074A1 Cylinder with multiple pistons |
| 09/21/1993 | US5245828 Hydraulic drive system for civil engineering and construction machine |
| 09/21/1993 | US5245827 Supply valve arrangement for closed center hydraulic system |
| 09/21/1993 | US5245826 Vibration suppression apparatus for hydraulic system with improved accumulator filing circuit |
| 09/20/1993 | CA2092657A1 Hydraulic slide valve control for working cylinders with unequal piston speeds |
| 09/16/1993 | WO1993018308A1 Hydraulically driving system |
| 09/15/1993 | EP0559792A1 Exhaust pressurizing circuit including flow amplification |
| 09/15/1993 | EP0308509B1 Hydraulic clutch pressure control apparatus |
| 09/14/1993 | US5243820 Hydraulic circuit with compensator valve biased with highest pressure acting on actuators |
| 09/12/1993 | WO1993024756A1 Pressure compensation valve |
| 09/08/1993 | EP0559474A1 Desk having self-releveling height adjustment and hydraulic circuit for it |
| 09/08/1993 | EP0558976A1 Safety valve |
| 09/08/1993 | EP0558931A1 Needle valve nozzle with piston drive |
| 09/08/1993 | EP0558765A1 Hydraulic oil amount change-over controlling device for hydraulic excavator |