Patents for F15B 11 - Servomotor systems without provision for follow-up action (16,384) |
---|
10/25/1977 | US4055046 Control system having override for fluid operated work elements |
10/11/1977 | US4052929 Hydraulic control means, especially a steering means |
10/04/1977 | US4051868 Control device for a hydraulically operated consumer |
09/13/1977 | US4047384 Pump jack device |
08/30/1977 | US4044795 Selective and proportional hydraulic remote control device, in particular for handling and public work gears |
08/30/1977 | US4044786 Load sensing steering system with dual power source |
08/30/1977 | US4044653 Hydraulic control apparatus for injection molding fluent plastic material |
08/23/1977 | US4043419 Load sensing power steering system |
08/16/1977 | US4042311 Pump fluid motor carrying spool valve for distributor valve actuation |
08/16/1977 | US4041983 Pressure controlled swing valve with safety feature |
08/16/1977 | US4041970 Quick bleed exhaust valve |
08/09/1977 | US4040438 Control valve with flow control means |
08/02/1977 | US4039010 Hydraulic circuit for tree harvesting implement |
07/26/1977 | US4037697 Hydraulic clutch actuating system |
07/26/1977 | US4037621 Load responsive control valve with constant leakage device |
07/26/1977 | US4037410 Hydraulic control valve |
07/19/1977 | US4036109 Device for moving and positioning an element of a machine |
07/19/1977 | US4036106 Actuator control system |
07/12/1977 | US4034785 Delimbing attachment for tree harvesting apparatus |
07/12/1977 | US4034563 Load sensitive hydraulic system |
07/05/1977 | US4033233 Fluid pressure operable servo positioner |
07/05/1977 | US4033127 Hydraulically-powered vehicle accessory system supercharged by hydraulic vehicle drive system |
06/28/1977 | US4031813 Hydraulic actuator controls |
06/21/1977 | US4030623 Hydraulic circuitry for an excavator |
06/21/1977 | US4030522 Hydraulic control valve arrangement |
06/21/1977 | US4030294 Compressed air generating device for forklift trucks |
06/14/1977 | US4029439 Control system for variable displacement pumps |
06/14/1977 | US4028889 Load responsive fluid control system |
05/24/1977 | US4024797 Spring centered balanced resolver valve |
05/24/1977 | US4024710 Load sensing hydraulic circuit having power matching means |
05/17/1977 | US4023650 Hydraulic systems for two speed lifting |
05/17/1977 | US4023466 Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection assembly of an injection molding machine |
05/17/1977 | US4023364 Swing flow supplemental travel for an excavator |
05/10/1977 | US4022109 Automatic directional control valve |
05/03/1977 | US4020862 Apparatus for controlling the volume and pressure of a pressure medium in a die-casting machine |
05/03/1977 | US4020747 Hydraulically-operated devices |
05/03/1977 | US4020746 Hydraulically operable linear motor |
04/19/1977 | US4018136 Hydraulic apparatus for controlling movement of a member under loading |
04/12/1977 | US4017221 Combined unloading and relief valve for pump unloading circuit |
04/12/1977 | US4017218 Dual-speed setting underspeed system |
04/12/1977 | US4017216 Variable underspeed system linkage |
04/12/1977 | US4017215 Infinitely variable orifice for part throttle control |
03/29/1977 | US4014360 Plural-service hydraulic system |
03/29/1977 | US4014248 Servomechanism controlled step by step |
03/15/1977 | US4011887 Fluid power control apparatus |
03/15/1977 | US4011724 Dual force actuator |
03/15/1977 | US4011721 Fluid control system utilizing pressure drop valve |
03/08/1977 | US4011354 Method and apparatus for making tubular resin elements such as pipes |
03/08/1977 | US4010610 Hydraulic load-sensing system |
03/01/1977 | US4009639 Hydraulic swing motor |
02/22/1977 | US4008571 Hydraulic system for electric lift trucks |
02/15/1977 | US4008004 Control system for variable displacement pumps |
02/15/1977 | US4007666 Servoactuator |
02/15/1977 | US4007592 Power transmission |
02/08/1977 | US4006667 Hydraulic control system for load supporting hydraulic motors |
02/08/1977 | US4006663 Hydraulic control means, especially a steering means |
02/01/1977 | US4005636 Hydraulic system for a working machine |
01/25/1977 | US4004779 Winch and fluid control system therefor |
01/25/1977 | US4004419 Apparatus for converting a hydraulic pressure signal to a mechanical motion |
01/25/1977 | US4004418 Demand compensated hydraulic system with flow sensitive device |
01/11/1977 | US4002027 Multiple pump control system |
01/04/1977 | US4000751 Hydraulic power system with automatic priority-demand flow control means |
01/04/1977 | US4000684 Safety lock-out valve |
01/04/1977 | US4000616 Multi-engine multi-pump hydraulic summating system |
12/21/1976 | US3998134 Load responsive fluid control valves |
12/21/1976 | US3998053 Three-pump - three-circuit fluid system of a work vehicle having controlled fluid-combining means |
12/14/1976 | US3997062 Multi-section telescopic jibs |
12/14/1976 | US3997017 Auxiliary hydrostatic front wheel drive system |
12/14/1976 | US3997007 Implement positioning hydraulic control system |
12/14/1976 | US3996840 Control circuit of actuator |
12/14/1976 | US3996838 Diverter valve for power steering with power beyond |
12/14/1976 | US3996742 Fluid flow control apparatus |
12/07/1976 | US3995532 Proportional control valve with preconditioned inlet modulating relief valve |
12/07/1976 | US3995425 Demand compensated hydraulic system with pilot line pressure-maintaining valve |
11/30/1976 | US3994627 Pumping apparatus for wet concrete |
11/30/1976 | US3994133 Automatic control device for the distribution of hydraulic fluid between two hydraulic circuits |
11/23/1976 | US3993091 Manifold and valve system |
11/23/1976 | US3992883 Fan drive systems |
11/23/1976 | US3992858 Hydraulic system for controlling a gang of lawn mowers |
11/16/1976 | US3991786 Fluid circuit plate for a circuit module for fluid distribution |
11/16/1976 | US3991661 Three position fluid powered actuator |
11/16/1976 | US3991571 Fluid system of a work vehicle having fluid combining means and signal combining means |
11/09/1976 | US3990594 Fluid-actuated clamping apparatus and circuit |
11/09/1976 | US3990583 Device for controlling the boom elevation of a side crane |
11/09/1976 | US3990352 Control valve |
11/09/1976 | US3990349 Device for effecting translational movement of a machine |
11/09/1976 | US3990237 Deman compensated hydraulic system with pressure amplifier |
11/09/1976 | US3990236 Load responsive pump controls of a fluid system |
11/02/1976 | US3989062 Source fluid supply and pressure control system for hydraulic motors |
10/26/1976 | US3987920 Self-leveling system for material handling implement |
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 |
10/26/1976 | US3987623 Controlled priority fluid system of a crawler type vehicle |
10/26/1976 | US3987622 Load controlled fluid system having parallel work elements |
10/12/1976 | US3985063 Hydraulic control system |
10/12/1976 | US3984979 Load responsive fluid control valves |
09/28/1976 | US3982469 Apparatus for controlling work element operating pressures in a fluid system |
09/21/1976 | US3981228 Hydraulic control system |
09/21/1976 | US3981150 Dual hydraulic motor drive system |
09/21/1976 | US3981149 Hydraulic cascade drive system |