...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7941996 | Actuation system for a servo-assisted mechanical transmission with oil leakage recovery An actuation system for a servo-assisted transmission; the actuation system is provided with: a hydraulic circuit comprising a reservoir containing a control fluid, a hydraulic accumulator containing the pressurized control fluid, and a pump which draws from the res... | 05/17/2011 |
| 7866149 | System and method for rapidly shaking an implement of a machine A fluid system for use with a machine that employs an actuator, that provides for rapid shaking of an implement. The fluid system includes a source for providing fluid flow to the actuator and an operator input device for enabling an operator to control the movement... | 01/11/2011 |
| 6920821 | Device and method for controlling stop of hydraulic press and device and method for detecting trouble of speed selector valve A rod pressure holding instruction section controls a servo motor to rotate a two-way pump in a counter direction, and to supply hydraulic oil, with pressure which does not exceed pressure from a weight of a ram, to a two-way pump-side piping, increasing pressure. A... | 07/26/2005 |
| 5865280 | Hydraulic line coupling apparatus for hydraulic shock absorber An apparatus for coupling two hydraulic transmission lines to one another is disclosed. The apparatus comprises a first coupling member and a second coupling member. The first coupling member comprises a body having first and second passages. The first pa... | 02/02/1999 |
| 5072584 | Hydraulic drive with fluid cooling by-pass line In a hydraulic drive, in which a double-acting working cylinder (10) is connected to the hydraulic power source by very long working lines (20, 22), it is proposed to connect a bypass line (36) containing a normally closed bypass valve (38) to the ends of... | 12/17/1991 |
| 4989924 | Fluid pressure circuit A fluid pressure circuit is provided in which two independent systems are provided with a pressure generator for supplying pressure through each of the circuits so as to operate the brake system of a vehicle in an antiskid mode. The fluid pressure circuit... | 02/05/1991 |
| 4922716 | Throttled exhaust outlet to reservoir for reducing noise resulting from release hydraulic pressure surges A method and apparatus for reducing the intensity of the sound that accompanies a rapid decompression in a pressurized hydraulic system such as that of an injection molding machine. The apparatus includes a reduced area valve that interconnects the high p... | 05/08/1990 |
| 4842107 | Fluid system bleeding apparatus Apparatus for use in the bleeding of fluid systems, especially the hydraulic brake system of a motor vehicle, comprises fluid pumping equipment (1) for pumping fluid to a main fluid reservoir (8) of the fluid system via a supply conduit (24). The pumping ... | 06/27/1989 |
| 4715180 | Hydraulic lift mechanism The invention contemplates hydraulic-lift mechanism which employs a power integrator in the connection between a charged hydraulic accumulator and the actuator for a vertically positionable load; the power integrator, additionally, has a prime-mover conne... | 12/29/1987 |
| 4702076 | Hydraulically operated clam-shell device The invention contemplates a hydraulically operated twin-cable suspension for a clamshell or the like load-handling device. In a preferred embodiment, a charged accumulator is effectively a counterweight and is the source of all hydraulic fluid needed for... | 10/27/1987 |
| 4674287 | Running apparatus for an agricultural vehicle A running apparatus for an agricultural vehicle comprising an oil stepless change speed device, an oil circuit for an oil pump and an oil motor to actuate the oil stepless change speed device and an accumulator. The accumulator accumulates a surplus of an... | 06/23/1987 |
| 4404800 | Gas energized engine system A Gas Energized Engine System, according to the present invention, is adapted to drive a piston type gas energized engine having a piston and cylinder system that is operatively interconnected with a crankshaft that transmits rotary force to any suitable ... | 09/20/1983 |
| 4241578 | Fluid storage tank for an industrial vehicle A hydraulic fluid storage tank for an industrial vehicle. A small surge tank (44) is mounted on top of a main tank (10) and communicates with the main tank via a drain back hole (49) formed in the top of the main tank. A first breather tube (46), having o... | 12/30/1980 |
| 4167098 | Horizontal pumping unit A horizontally exposed pumping unit including a hollow base structure containing a volume of hydraulic fluid and compressed air, the base structure supporting a horizontally aligned reciprocating piston assembly deployed for horizontal translation along a... | 09/11/1979 |
| 4136519 | Hydraulic cycloidal drive A transfer system having a transfer mechanism which is located directly on or adjacent the production machine. The transfer mechanism comprises a reciprocating workpiece shuttle driven by a hydraulic driving unit, specifically a hydraulic transfer cylinde... | 01/30/1979 |