Did You Know...
...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 |
| 5785081 | Compressor inlet valve An inlet valve assembly for an air compressor and/or compressor-exhauster having a plug member disposed in a cylinder head. A buffer plate screwed onto the lower end of a multi-threaded stud. A spring plate disposed on top of the buffer plate and a guide ... | 07/28/1998 |
| 5678603 | Plate valve, particularly for piston compressors A plurality of concentric annular plates (1) are braced against a valve guard (2) by means of radially arranged spring-loaded bridges (5). The guided height (6) of the bridges (5) is at least equal to the maximum lifting height (7) of the annular plates (... | 10/21/1997 |
| 4869289 | Adjustable compressor valve which can accommodate changing operating conditions in the compressor to which it is attached To adapt a compressor valve to varying operational conditions of the compressor, particularly to varying numbers of revolutions and/or the respective specific weight of the transported gas, a process and a compressor valve for executing the process are pr... | 09/26/1989 |
| 4858736 | Shock absorber for a hydropneumatic vehicle suspension element Shock absorber (31) for a hydropneumatic vehicle suspension element, comprising a disk (32) fastened in an outer casing having ports (30, 38) for the passage of the hydraulic fluid, first elements (48, 49, 37a, 37b) allowing this passage in only one direc... | 08/22/1989 |
| 4360319 | Compressor A compressor has flat cylinder heads in which circular valves are disposed. The valves are of the type having a slotted valve seat and a slotted valve guard, with elongated valve elements disposed between the seat and the guard to open and close the slots... | 11/23/1982 |
| 4307751 | Plate valve A valve having a plurality of movable, coaxially arranged annular plates is characterized by the use of fiber reinforced plate members having a thickness of greater than 0.2 inches and, in a preferred embodiment, a thickness to width ratio in excess of 0.... | 12/29/1981 |
| 4184818 | Valve for piston compressors and pumps The present invention relates to piston compressors and pumps and more particularly it relates to the valves used in these compressors. The valve according to the invention comprises a seat with gas passages and a plate with a Tee profile in cross section... | 01/22/1980 |
