| Patents for F15B 13 - Details of servomotor systems (18,792) |
|---|
| 03/29/1977 | US4014509 Proportional electromagnetic-type direction- and throttle-controlling valve |
| 03/29/1977 | US4014360 Plural-service hydraulic system |
| 03/22/1977 | US4012995 Spools |
| 03/15/1977 | US4012031 Lock valve flow control arrangement |
| 03/15/1977 | US4011891 Proportional flow control valve |
| 03/15/1977 | US4011887 Fluid power control apparatus |
| 03/15/1977 | US4011883 Manual control device for pneumatic systems |
| 02/22/1977 | US4008731 Counterbalance valve |
| 02/08/1977 | US4006751 Method and apparatus for rotating hydraulic control rods |
| 02/01/1977 | US4005734 Hydraulic directional memory unit |
| 01/18/1977 | US4003202 Variable feedback steering system |
| 01/04/1977 | US4000683 Hydraulic load lifting system |
| 12/21/1976 | US3998134 Load responsive fluid control valves |
| 12/14/1976 | US3996956 Electro-fluid interface device |
| 12/14/1976 | US3996840 Control circuit of actuator |
| 12/14/1976 | US3996839 Hydraulic positioning cylinder |
| 12/14/1976 | US3996744 Automatic control for hydraulic power transmission |
| 12/14/1976 | US3996742 Fluid flow control apparatus |
| 12/07/1976 | US3995652 Directional control valve |
| 12/07/1976 | US3995532 Proportional control valve with preconditioned inlet modulating relief valve |
| 11/23/1976 | US3993091 Manifold and valve system |
| 11/16/1976 | US3991786 Fluid circuit plate for a circuit module for fluid distribution |
| 11/09/1976 | US3990352 Control valve |
| 11/09/1976 | US3990236 Load responsive pump controls of a fluid system |
| 11/02/1976 | US3988966 Fluidic repeater |
| 10/26/1976 | US3987704 Fluid system of a work vehicle having fluid combining means |
| 10/26/1976 | US3987703 Combined restrictor and dead engine lowering valve |
| 10/19/1976 | US3986522 Hydraulic control valve |
| 10/12/1976 | US3985153 Pressure compensating valve spool assembly for a hydraulic control valve |
| 10/12/1976 | US3984979 Load responsive fluid control valves |
| 10/05/1976 | US3983908 Servo valve regulating arrangement |
| 10/05/1976 | US3983893 Flow divider valve assembly |
| 09/28/1976 | US3982554 Electromagnetic flapper valve |
| 09/21/1976 | US3981479 Check valve |
| 09/14/1976 | US3980002 Two stage solenoid actuated valve, system, and method of actuation |
| 09/14/1976 | US3980001 Reversing valve operated by a pilot valve |
| 09/14/1976 | US3979908 Priority flow valve |
| 09/14/1976 | US3979907 Priority control valve |
| 09/07/1976 | US3979102 Electrofluid converter |
| 08/31/1976 | US3977301 Low-effort proportional control valve |
| 08/31/1976 | US3977300 Actuator with feedback |
| 08/24/1976 | US3976098 Hydraulic motor control apparatus |
| 08/24/1976 | US3975987 Device to control a lifting cylinder |
| 08/17/1976 | US3974742 Lock valve assembly |
| 08/10/1976 | US3973583 Fluid control system |
| 08/10/1976 | US3973580 Flow divider valve |
| 08/03/1976 | US3972503 Servo pressure operated piston arrangements |
| 08/03/1976 | US3972345 Pilot operated relief valve |
| 08/03/1976 | US3972343 Shuttle valve |
| 08/03/1976 | US3972267 Overruning load control for hydraulic jacks |
| 08/03/1976 | US3972264 Hydraulically actuated detent mechanism |
| 07/27/1976 | US3971295 Control means |
| 07/27/1976 | US3971216 Load responsive system with synthetic signal |
| 07/20/1976 | US3970108 Priority hydraulic control valve |
| 07/06/1976 | US3967648 Hydraulic valves directly controlled by either director alternating current |
| 07/06/1976 | US3967646 Three-way control valve |
| 07/06/1976 | US3967640 Hydraulic control valve assembly with diverse circuit adaptability |
| 07/06/1976 | US3967533 Servo valve control apparatus |
| 07/06/1976 | US3967532 Forward-reverse valve for elevating scraper drive |
| 06/29/1976 | US3965921 Controlled opening pressure compensated flow control valve |
| 06/22/1976 | US3964518 Electrohydraulic control unit |
| 06/22/1976 | US3964505 Power transmission |
| 06/15/1976 | US3963045 Cushion control accessory for pneumatic or hydraulic cylinders |
| 06/01/1976 | US3960166 Valve assembly kit |
| 05/25/1976 | US3959024 Slide valve |
| 05/25/1976 | US3958495 Air-oil amplifier |
| 05/18/1976 | US3957079 Valve assembly for a subsea well control system |
| 05/18/1976 | US3956971 Stabilized hydromechanical servo system |
| 05/11/1976 | US3955597 Poppet type change-over valve assembly |
| 05/11/1976 | US3955473 Power steering gear with proportional flow divider |
| 05/04/1976 | US3954046 Valve arrangement for controlling a reversible hydraulically operated device |
| 05/04/1976 | US3954045 Rotary actuator valve |
| 04/27/1976 | US3952996 Valves |
| 04/27/1976 | US3952763 Sequence control valve |
| 04/20/1976 | US3951162 Control valve with flow control means |
| 04/13/1976 | US3949645 Distributing unit for a dual action hydraulic electro-distributor |
| 04/06/1976 | US3948148 Devices for controlling pneumatic actuators |
| 03/16/1976 | US3944099 Load holding device for mobile power crane excavators and the like |
| 03/16/1976 | US3943968 Combination lock and relief valve for hydraulic systems |
| 03/16/1976 | US3943957 Flow control valve with internal rate of flow feedback |
| 03/09/1976 | US3942548 Fluid control valve |
| 03/02/1976 | US3941223 Inching valve |
| 03/02/1976 | US3941142 Flow-divider valve |
| 02/24/1976 | US3939870 Combination manual and pilot operated directional control valve |
| 02/24/1976 | US3939859 Unloader valve with flow divider |
| 02/17/1976 | US3938543 Fluid control system |
| 02/10/1976 | US3937129 Load responsive system with area change flow extender |
| 02/03/1976 | US3935792 Pilot pump bleed control for earthmoving scrapers |
| 01/27/1976 | US3934742 Valve mechanism for automatic control of a number of fluid motors |
| 01/27/1976 | US3934613 Pneumatically operated pilot relay and system and diverting relay construction utilizing the same or the like |
| 01/27/1976 | US3934610 Three-way control valve |
| 01/20/1976 | US3933167 Pilot operated check valve |