| Patent Number |
Title Of Patent |
Date Issued |
| D450702 |
Joystick control actuator |
November 20, 2001 |
|
| 7388489 |
System and method for managing data on an RFID tag associated with a product |
June 17, 2008 |
| The invention relates to a method and system for tracking repairs or servicing of various products/devices at a service center using Radio Frequency Identification (RFID) tags that are attached to the product upon receipt at the service center and that remain on the product for use i |
| 6845702 |
Hydraulic controller |
January 25, 2005 |
| The present invention intends to improve a hydraulic control unit and prevent the occurrence of hunting as well as to reduce the size of the hydraulic control unit.The hydraulic control unit is used in a several-directional-control-valves-assembled-type hydraulic control system 1 hav |
| 6142176 |
Relief valve |
November 7, 2000 |
| A relief valve, including a case having an inner bore, and an opening defining an outlet; a valve seat adjacent to a forward end of the case, the valve seat defining an inlet, a plunger slidably disposed within the case and pressed forward by a spring to shut off fluid communication |
| 6125886 |
Pilot valve |
October 3, 2000 |
| In order to obtain great damper effects with a comparatively simple structure and fully control a hunting phenomenon, a pilot valve comprises push rods attached to a valve body, spools attached to spools holes of the valve body, spring bearing members provided in spring chambers of the |
| 5222064 |
Bridge apparatus |
June 22, 1993 |
| A bridge apparatus which judges whether a destination address of a frame relayed to a trunk line LAN is registered in other bridge apparatus or not using a control apparatus provided therein, relays the frame with a proper destination address in accordance with the result of the judgment |
| 5050637 |
Relief valve |
September 24, 1991 |
| The present invention relates to relief valves, and is drawn to a relief valve that alleviates the rise in the relief pressure, by the compression of a main spring via a moving spring receiving member, due to the introduction of hydraulic pressure at the supply side into a fluid chamber |
| 5050636 |
Relief valve |
September 24, 1991 |
| A relief valve to be disposed in a hydraulic circuit, for example an absolute circuit, such as in an industrial construction machine, comprises a casing of substantially cylindrical structure having one end and another end, the casing including a casing body, a pressure regulating plug a |
| 5011377 |
Swash-plate type piston pump motor |
April 30, 1991 |
| A swash-plate type piston pump motor has a housing assembly comprising: an end plate for rotatably supporting a cylinder rotor against thrust loads in its axial direction and also rotatably supporting the upper end of an output shaft; a cylinder side peripheral wall encompassing the cyli |
