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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7828309 | Road-building machine The invention relates to a road-building machine whose left front wheel (4) or caterpillar, right front wheel (6) or caterpillar, left rear wheel (8) or caterpillar and right rear wheel (10) or caterpillar are connected to the road-buildi... | 11/09/2010 |
| 7413203 | Suspension system for electric vehicle A suspension system (10) for a vehicle for suspending a wheel (1) is disclosed. The suspension system (10) includes a motor (12) for driving the wheel of the vehicle; a first suspension (22) for supporting the wheel (1) of t... | 08/19/2008 |
| 7392998 | Suspension device for motor vehicles The present invention relates to a suspension device for the load-bearing and resilient support of a wheel in a motor vehicle, comprising at least one spring cylinder with a piston, which is guided in a manner moveable relative to it in a pressure cylinder, and comp... | 07/01/2008 |
| 7390002 | Suspension system of vehicle In a suspension system (20) for use in a vehicle including a body, left and right front wheels (10), and left and right rear wheels (12), a front-wheel-associated cylinder device (52) which controls a relative displacement of the left and... | 06/24/2008 |
| 7386378 | Linear control of an automobile suspension A vehicle suspension system that includes a cylinder, a rod inserted within the cylinder, a piston coupled to the rod and a piston valve which has an input piston current. The suspension system further includes a base coupled to the cylinder, a base valve which has ... | 06/10/2008 |
| 7384054 | Passive ride control for a vehicle suspension system A roll control system for a vehicle suspension system and a method for controlling said control system, the suspension system including support means, the roll control system including: wheel cylinders each including first and second chambers; and first and second f... | 06/10/2008 |
| 7380799 | Adjustable vehicle suspension system with adjustable-rate air spring An adjustable vehicle suspension system includes a plurality of damping members and an air spring operatively associated with each of the damping members. The suspension system also includes a compressed air source, a valve assembly, and a controller. The compressed... | 06/03/2008 |
| 7360771 | Roll control actuator with rotary mechanism A roll control actuator for a stabilizer bar includes an outer housing that is fixed to a first bar portion and a paddle member that is fixed to a second bar portion. The roll control actuator includes multiple fluid chambers with different fluid volumes. A control ... | 04/22/2008 |
| 7357395 | Device for controlling suspension performance of a vehicle having variable axle loads A device for controlling suspension performance in a vehicle having variable loads on an axle, a level control system, and a hydropneumatic suspension apparatus between unsprung and sprung masses. The device includes at least one double-acting hydraulic cylinder hav... | 04/15/2008 |
| 7322435 | Snowmobile suspension system To enable a rider to control in real time the type of ride he desires, a snowmobile is equipped with a suspension system that includes at least one fluid actuated device which can be adjusted in real time to control the relative distance between the body of the snow... | 01/29/2008 |
| 7281722 | Wheeled vehicle with suspension units A wheeled vehicle has a front suspension unit coupled with a body frame to suspend a front wheel. The front suspension unit allows the front wheel to move relative to the body frame. The front suspension unit has a pair of front suspension members coupled with each ... | 10/16/2007 |
| 7226064 | Locking anti-motion suspension A skid steer vehicle has a suspension that includes a control arm pivotally coupled to the vehicle chassis that is supported by a hydraulic cylinder connected to an accumulator to provide springing. A hydraulic circuit coupled to the cylinder and accumulator permit ... | 06/05/2007 |
| 7219779 | Hydro-pneumatic suspension system A hydro-pneumatic suspension system includes one or more hydraulic suspension cylinders mounted between the vehicle body and the axle. Each cylinder includes a piston chamber and rod chamber, each of which are connected to an accumulator and which can be connected t... | 05/22/2007 |
| 7210688 | Suspension system for motor vehicle A vehicle suspension system of a motor vehicle includes a plurality of suspension devices mounted on the vehicle with respect to right and left wheels of the vehicle, respectively, a first behavior controller that controls the motion of each of the suspension device... | 05/01/2007 |
| 7168720 | Suspension device for a motor vehicle and its implementation Vehicle suspension system applicable to vehicles provided with rolling arrangements that have a resistance to the roll, pitch vertical rebound, and axle crossing movement such that allows a weight distribution on every rolling arrangement. The rolling arrangements a... | 01/30/2007 |
| 7163208 | Hydropneumatic suspension system for vehicles A hydropneumatic suspension system for a vehicle with a level control, in particular for the front axle of a tractor, includes a first 2/2 directional control valve having a regulating-up function communicating with the pressurized oil pump and a second 2/2 directio... | 01/16/2007 |
| 7140619 | Roll over stability control for an automotive vehicle having an active suspension A stability control system (24) for an automotive vehicle as includes a plurality of sensors (28–37) sensing the dynamic conditions of the vehicle to determine imminent rollover. A controller (26) coupled to an active suspension (49) co... | 11/28/2006 |
| 7134980 | Integrated torque and roll control system An integrated control system for a motor vehicle including at least one drive axle having left and right axle shafts each provided with a wheel mounted thereon. The integrated control system comprises a vehicle torque control system, a vehicle body roll control syst... | 11/14/2006 |
| 7134672 | Failsafe actuator A failsafe actuator is provided for returning an actuator driven element to a failsafe position in case of a failure condition. The actuator includes a drive assembly for driving a plunger from a first plunger position to a second plunger position. The actuator addi... | 11/14/2006 |
| 7073803 | Suspension system, in particular for a working machine A suspension system, in particular for a working machine, such as a tractor or similar device, with a suspension cylinder (10) is subjected to various load pressures (m). The piston slide (12) and rod side (14) of the system may each be connecte... | 07/11/2006 |
| 7059127 | Hydro-pneumatic spring support arrangement A hydro-pneumatic spring support arrangement, particularly for a vehicle axle with at least one hydraulic spring support cylinder arranged between vehicle chassis and vehicle axle, having a cylinder chamber and a rod end chamber each connected with at least one pres... | 06/13/2006 |
| 7055831 | Hydropneumatic, level-regulated axle suspension on vehicles, in particular for full-suspension vehicles A hydropneumatic, level-regulated axle suspension for the front wheel axle and rear wheel axle on vehicles, in particular vehicles whose large axle load spread is large, having two double-acting hydraulic suspension cylinders, whose cylinder spaces are each connecte... | 06/06/2006 |
| 7055269 | Wheeled vehicle provided with an axle oscillating about a longitudinal axis A wheeled vehicle includes a bottom chassis; a top chassis, which is coupled to the bottom chassis so that it is able to turn about a vertical axis; an operating arm coupled to the top chassis; an axle, which is coupled to the bottom chassis so that it can oscillate... | 06/06/2006 |
| 7040631 | Hydraulic suspension system for a vehicle A suspension system for a vehicle having at least one pair of forward and one pair of rearward wheels, including: a suspension arm (7–10) for each wheel providing at least partial location of the associated wheel, the suspension arm (7–8) of the fo... | 05/09/2006 |
| 6994357 | Failsafe actuator A failsafe actuator for returning an actuator driven element to a failsafe position in case of a failure condition is provided. The failsafe actuator may include mechanical or electrical means to provide a failsafe function. Such a failsafe actuator may be used in a... | 02/07/2006 |
| 6976689 | Linked suspension system for a vehicle A suspension system for a vehicle, having at least first and second shock absorbers. The first shock absorber has a first main piston, and the second shock absorber has a second main piston. The shock absorbers are motively linked such that when the first main pisto... | 12/20/2005 |
| 6961648 | System and method for desensitizing the activation criteria of a rollover control system A method of densensitizing includes determining a relative roll angle, determining when the vehicle is in a transitional maneuver, and when the vehicle is in a transitional maneuver, setting a roll signal for control to the relative roll angle, reducing control effo... | 11/01/2005 |
| 6942227 | Failsafe actuator A failsafe actuator for returning an actuator driven element to a failsafe position in case of a failure condition is provided. The failsafe actuator may include mechanical or electrical means to provide a failsafe function. Such a failsafe actuator may be used in a... | 09/13/2005 |
| 6935639 | Mean pressure estimation for compressible fluid strut A method and apparatus is provided for estimating the mean pressure in a compressible fluid strut. A database is employed containing values for mean pressure variation corresponding to a specific combination of motor speed and flow demand, and may also account for s... | 08/30/2005 |
| 6932367 | Integrated motor A device for converting electrical energy to mechanical energy is disclosed and claimed. The device includes a housing, a shaft, at least two coil assemblies, at least two magnets, and at least two electrical connectors. The shaft is supported by the housing and rot... | 08/23/2005 |
| 6929271 | Hydraulically compensated stabilizer system The present technique provides a stabilizer system comprising a plurality of piston cylinder assemblies, which have multiple interconnected chambers to provide cross compensation between suspension members coupled to those piston cylinder assemblies. The piston cyli... | 08/16/2005 |
| 6915884 | Load sensing system A braking system for a vehicle with air suspension, where a brake sensor amplification factor increases in proportion to an increase in gross vehicle weight is provided. The braking performance may vary within a predetermined range. Further, a load sensing arrangeme... | 07/12/2005 |
| 6893033 | Integrated air spring and strut A strut for a vehicle suspension includes a hydraulic cylinder housing defining a hydraulic fluid chamber. The hydraulic cylinder includes an air passage adjacent to the chamber and separated therefrom by a first common wall. An air spring is supported on an upper p... | 05/17/2005 |
| 6886837 | Hydraulic suspension strut for an amphibious vehicle A hydraulic suspension strut (30) has a first on-off valve (58) connecting the first and second chambers (42 and 44), and a second on-off valve (62) connected to chamber (42) only. Suspension arm (3) of wheel (1 | 05/03/2005 |
| 6886841 | Suspension system for a vehicle including an accumulator Suspension system for a vehicle is disclosed and claimed. The suspension system includes a fluid, a suspension strut, a hydraulic cavity, an accumulator, and a volume modulator. The hydraulic cavity is at least partially defined by the suspension strut and is adapte... | 05/03/2005 |
| 6871866 | Suspension system for a vehicle Suspension system for a vehicle is disclosed and claimed. The suspension system includes a compressible fluid, a suspension strut, a hydraulic cavity, a reservoir, and a volume modulator. The hydraulic cavity is at least partially defined by the suspension strut and... | 03/29/2005 |
| 6848692 | Hydropneumatic suspension system The invention is directed toward a hydropneumatic suspension and a method involved in controlling such a hydropneumatic suspension as is used in relation to cross-country motor vehicles, which, in spite of being of a simple, inexpensive and repair-friendly structure... | 02/01/2005 |
| 6843489 | Axle damping system and method A damping system for an axle configured to pivot about a pivot point is provided. The damping system includes a first hydraulic cylinder having a first chamber and a second chamber and a second hydraulic cylinder having a third chamber and a fourth chamber. The firs... | 01/18/2005 |
| 6820877 | Wheeled type working vehicle The wheeled work vehicle according to the present invention comprises a link 4 that links at least either one of axles 1 and 1′ provided at the front and the rear of the vehicle to a body 70, suspension hydraulic cylinders 2 prov... | 11/23/2004 |
| 6814364 | Suspension system for a vehicle A suspension system for a vehicle having left and right wheels is disclosed and claimed. The system includes first and second suspension struts and first and second hydraulic cavities to supply first and second suspending spring force for the left and right wheels, ... | 11/09/2004 |
