Pong, the Atari creation that launched the computer game craze, came with these instructions: "Avoid missing ball for high score."
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| Number | Title | Issue Date |
| 6994310 | Stepper motor driven valve for thermal management and associated method of use A valve for regulating fluid flow and associated method of use. The valve includes a stepper motor, a first valve portion having an inlet port for receiving fluid into the valve, a second valve portion having an outlet port for dispensing fluid from the valve, a thi... | 02/07/2006 |
| 5820035 | Broadcast spreader mechanism An improved feed distribution and closure mechanism for use with broadcast spreaders for spreading granular or powdery material or both is described. The mechanism comprises a threaded shaft, a disk mounted on the shaft having a central opening provided w... | 10/13/1998 |
| 5232199 | Sliding gate line blind A sliding gate line blind for preventing fluids from traveling downstream from the blind including a body for connection to a pipeline, the body being open to the atmosphere and having an inner portion and an outer portion, the body having an entrance pas... | 08/03/1993 |
| 5060909 | Shut-off valve for fluids The invention relates to a shut-off valve comprising a valve housing (12), a valve piston with valve cone (22) arranged up-stream of an associated valve seat (20), and a piston holder (16) axially movable within the valve housing (14) by means of a spindl... | 10/29/1991 |
| 4895301 | Engine coolant system and method of making the same A vehicle engine coolant system and method of making the same are provided, the system having a valve construction comprising a housing provided with an inlet interconnected to the block of the internal combustion engine of the vehicle and an outlet inter... | 01/23/1990 |
| 4402340 | Pressure-responsive shut-off valve A combined manual and pressure-responsive shut-off valve, intended particularly for use with high pressure gas cylinders, is disclosed. The valve includes a single seat and a single plug, the plug having a first sealing surface for closing against a low r... | 09/06/1983 |
| 4354666 | High pressure packless metal diaphragm valve A valve body has a chamber with a lower portion provided with inlet and outlet openings and an upper portion that includes a diaphragm seat having a surface with a presclected degree of roughness. An assembly of individual flexible metallic diaphragms is ... | 10/19/1982 |
| 3934814 | Fluid-flow control valve In a fluid-flow control valve provided with jacking means (which may comprise a nut rotatable on a threaded shaft) operable to move a valve closure member into and out of seating engagement with a valve seat and to exert between the valve closure member a... | 01/27/1976 |