...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7159611 | Inline flow control device The inline flow control device includes housing with a tubular portion coaxially aligned with the tubular portion of a fitting threaded to the housing. A piston has a bore extending therethrough with the tubular portions extended thereinto in axial spaced relationsh... | 01/09/2007 |
| 7077158 | Velocity head compensated valve assembly A valve assembly includes a valve body configured to define a chamber forming a primary flowpath between an inlet port and a discharge port, an isolator disposed inside said chamber, and a poppet having a bore. The isolator is defined by a skirt and a stem, with the... | 07/18/2006 |
| 5794652 | Relief valve The invention relates to a relief valve and intends to provide a relief valve which can reduce the difference between the dynamic set pressure and static set pressure of the relief pressure and its variation. An internal circumferential surface of the pilot va... | 08/18/1998 |
| 5791372 | Relief valve The invention intends to provide a relief valve which can prevent malfunction caused by generation of negative pressure lowering the minimum pressure to be originally maintained by a load circuit. Maloperation of a relief valve 401 is prevented by allowing a c... | 08/11/1998 |
| 5685484 | Pressurized water toy having a pressure actuated pulsator A pressurized water toy providing a pressure actuated pulsator for shooting water in consecutive pulses. The pressure actuated pulsator includes expansible inlet and outlet tubing, a reservoir for the temporary retention of water, and a sphere-shaped obtu... | 11/11/1997 |
| 5144980 | Fluid flow control apparatus A fluid flow control apparatus particularly useful as an automatic shut-off valve includes an arrangement which vents the interior of the valve to the atmosphere before the valve is closed by a membrane seating against a valve seat, thereby preventing the... | 09/08/1992 |
| 5141012 | Cartridge-type disconnectable pressure relief valve system A relief valve system which is made up of a valve bowl with inlet housing, a relief valve cartridge, a stop valve system, a releasable securement system, and a manual by-pass valve. The relief valve cartridge is a self-contained relief valve which is easi... | 08/25/1992 |
| 4889154 | Automatic shut-off valve An automatic shut-off valve having a lower closing pressure than an opening pressure comprises a housing having a partition formed with a valve opening connecting the inlet to the outlet, a valve member movable in the outlet side of the partition to an op... | 12/26/1989 |
| 4858642 | Impact resistant pressure relief valve An impact resistant pressure operated relief valve comprising a valve body having an exhaust port and a nozzle assembly having a flow passage which terminates in an opening surrounded by an annular valve seat. A disc holder in the valve body is slidably d... | 08/22/1989 |
| 4567911 | Cartridge type directional control valve A cartridge type directional control valve assembly includes an elongated housing having a bore and a plug threaded in the outer end of the housing adjacent the bore. A changeover, spring biased piston forming a load senser or pressure sensor is provided ... | 02/04/1986 |
| 4192343 | Full-flow relief valve The housing of a pressure-relief valve has an inlet port forming an inlet valve seat, an outlet port, a valve chamber between the ports, and an abutment in the valve chamber. A valve body in this chamber has an inlet end engageable in the inlet valve seat... | 03/11/1980 |