Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15B - Systems acting by means of fluids in general; Fluid-pressure actuators, e.g. servomotors; Details of fluid-pressure systems, not otherwise provided for › F15B 13 - Details of servomotor systems
Patents for F15B 13 - Details of servomotor systems (18,792)
07/1978
07/18/1978US4100937 Valve block
07/18/1978US4100816 Manual control apparatus
07/11/1978US4099588 Responsive pilot-operated control valve for front wheel drive
07/11/1978US4099541 Power transmission
07/11/1978US4099450 Feed mechanism
07/11/1978US4099379 Load responsive fluid control system
06/1978
06/27/1978US4096878 Valve group subassembly
06/20/1978US4095864 Modular manifolding means and system for electrical and/or pneumatic control devices and parts and methods
06/20/1978US4095863 Manifold means and system for electrical and/or pneumatic control devices and method
06/20/1978US4095617 Control valves
06/13/1978US4094229 Fluidic repeater
06/13/1978US4094228 Fluid system having load pressure equalizing valve assemblies
06/06/1978US4093329 Manifolding means and system for electrical and/or pneumatic control devices and methods
06/06/1978US4093002 Control device of a large hydraulic distributor, in particular for public works appliances
05/1978
05/23/1978US4090429 Fail-safe fluid control valve
05/16/1978US4089346 Load responsive fluid control valves
05/16/1978US4089172 Position controller
05/16/1978US4089169 Pressure actuated signal fluid control for load responsive systems
05/16/1978US4089168 Load responsive fluid control valves
05/16/1978US4089167 Load responsive valve assemblies
05/09/1978US4088151 Cylinder locking apparatus
04/1978
04/25/1978US4085920 Pilot control valve with servo means
04/25/1978US4085855 Mechanism control
04/11/1978US4083381 Control valve
04/04/1978US4082324 Connection arrangement for manifold blocks
04/04/1978US4082111 Load responsive fluid control valve
03/1978
03/28/1978US4081053 Lock valve for double acting cylinder
03/28/1978US4080994 Control arrangement for supplying pressure fluid to at least two hydraulically operated consumer devices
03/28/1978US4080983 Valve base for connecting hydraulic valves in hydraulic circuits
03/07/1978US4077431 Servo-operated regulator valve
02/1978
02/28/1978US4076036 Hydraulic flow control valve assemblies
02/28/1978US4075842 Load responsive fluid control system
02/21/1978US4074701 Fluidic switch
02/21/1978US4074699 Fluid-assisted electromagnetic control device
02/21/1978US4074689 Spool valve distributor
02/21/1978US4074531 Oleodynamic servo control
02/21/1978US4074528 Hydraulic control system with priority flow control
02/14/1978USRE29538 Load responsive fluid control valve
02/07/1978US4072169 Hydraulic control system
02/07/1978US4072087 Digital positioner for remote actuation of a control valve
01/1978
01/31/1978US4071046 Directional control poppet valve
01/31/1978US4070950 Hydraulic apparatus including rotary valve
01/31/1978US4070858 Brake and steering system
01/31/1978US4070857 Hydraulic priority circuit
01/24/1978US4069746 Control arrangement for a hydraulic power transmission
01/10/1978US4067357 Pilot-operated directional control valve
01/03/1978US4066103 Hydraulic regulator
01/03/1978US4066102 Hydraulic regulator
01/03/1978US4066099 Zero lap valve
01/03/1978US4066006 Flow regulating system
12/1977
12/27/1977US4064788 Cushioning means for hydraulic cylinder
12/20/1977US4063489 Automatic hydraulic shut-off system
12/06/1977US4061159 Hydraulic valve
12/06/1977US4061155 Electrohydraulic control system
12/06/1977US4061079 Load sensing pull-type hydraulic amplifying fluid motor
11/1977
11/29/1977USRE29481 Multi-way directional fluid flow control valve arrangement
11/15/1977US4058140 Load responsive fluid control valves
11/15/1977US4058139 Load responsive fluid control valves
11/15/1977US4058135 Compensated work port fluid valves and work port compensators
11/08/1977US4057079 Power assistance control device
11/08/1977US4057073 Plural-service hydraulic system
11/08/1977US4057004 Fail-safe fluid control valve
10/1977
10/11/1977US4052929 Hydraulic control means, especially a steering means
10/04/1977US4051868 Control device for a hydraulically operated consumer
10/04/1977US4051861 Arrangement for connecting manifold blocks
10/04/1977US4051767 Actuator for fluid pressure-operated power devices
10/04/1977US4051766 Arrangement for steering-power limitation in hydraulic servo-steering systems
10/04/1977US4051764 Hydraulic actuating system
09/1977
09/27/1977US4050476 Low noise hydraulic servo valve
09/27/1977US4050356 Apparatus for controlling a fluid medium
09/20/1977US4049232 Pressure compensating fluid control valve
09/06/1977US4046165 Valve-positioning apparatus
09/06/1977US4046059 Fluidic repeater
08/1977
08/30/1977US4044795 Selective and proportional hydraulic remote control device, in particular for handling and public work gears
08/30/1977US4044786 Load sensing steering system with dual power source
08/16/1977US4041983 Pressure controlled swing valve with safety feature
08/16/1977US4041841 Methods of and apparatus for controlling hydraulic equipment
08/16/1977US4041836 Open circuit type acceleration/deceleration device
08/09/1977US4040445 Electrical linear force motor for servo controls, fluid valves, and the like
08/09/1977US4040439 Cushion valve arrangement
08/09/1977US4040438 Control valve with flow control means
08/02/1977USRE29329 Hydraulic systems
08/02/1977US4038998 Fluid flow divider
07/1977
07/26/1977US4038511 Method for electropneumatic conversion
07/26/1977US4037621 Load responsive control valve with constant leakage device
07/26/1977US4037410 Hydraulic control valve
07/19/1977US4036245 Pressure compensated hydraulic control valve
07/19/1977US4036109 Device for moving and positioning an element of a machine
07/12/1977US4034563 Load sensitive hydraulic system
07/05/1977USRE29292 Control valve means for fluid motors
07/05/1977US4033236 All hydraulic motor grader circuitry
06/1977
06/28/1977US4031813 Hydraulic actuator controls
06/21/1977US4030522 Hydraulic control valve arrangement
06/14/1977US4028889 Load responsive fluid control system
05/1977
05/24/1977US4024798 Control valve providing two speed operation for a motor
05/17/1977US4023593 Valve and control therefor
05/10/1977US4022021 Constant speed hydraulic motor
05/03/1977US4021016 Valves
05/03/1977US4020867 Multiple pressure compensated flow control valve device of parallel connection used with fixed displacement pump
04/1977
04/12/1977US4016895 Flow control valve
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