"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 6721381 | Seal arrangement for in-core instrument housing A seal arrangement for providing a seal between a nuclear reactor in-core instrument housing and an instrument contained within the housing includes a lower seal assembly surrounding an outer portion of the in-core instrument housing, an upper seal assembly surround... | 04/13/2004 |
| 6522708 | Seal arrangement for in-core instrument housing A seal arrangement for providing a seal between a nuclear reactor in-core instrument housing and an instrument contained within the housing includes a lower seal assembly surrounding an outer portion of the in-core instrument housing, an upper seal assemb... | 02/18/2003 |
| 6390475 | Electro-mechanical heat sink gasket for shock and vibration protection and EMI suppression on an exposed die A method and assembly for utilizing a gasket to protect an exposed die from damage, such as chipping and cracking, caused by external forces such as shock, vibrations, installation and/or handling, as well as to prevent electromagnetic interference (EMI) ... | 05/21/2002 |
| 6171070 | High-pressure reciprocating pumps A high-pressure reciprocating pump is constructed such that a plurality of plungers connected to a driver are made to move back and forth and intake channels or discharge channels are opened and closed by valves in synchronism with movements of the plunge... | 01/09/2001 |
| 4838365 | Seal assembly for rotary drill bits A seal assembly for a roller cutter bit mounted in an annular cavity between a roller cutter and a journal. A mechanical spring on the roller cutter urges in an axial direction sealing faces on respective rigid seals into sealing engagement with each othe... | 06/13/1989 |
| 4524981 | Annular seal with V-cut There is described herein an annular elastomer seal arranged for primary compression-type sealing capability and secondary lip-type sealing capability. The annular seal includes a pair of grooves in a radial seal face thereof, the grooves diverging with d... | 06/25/1985 |
| 4406468 | Seal assembly This invention is a seal assembly for sealing fluid needles, spindles and other movable cylindrical objects where a fluid tight seal is needed between the fluid and non-fluid sides of the movable cylindrical object. The seal includes a packing member with... | 09/27/1983 |
| 4331336 | Head gaskets and method of making same A method of manufacturing a cylinder head gasket comprising the steps of preassembling a main gasket body and a fire ring and then precompressing the gasket to alter the characteristics of one of the gasket body and fire ring, so that a portion of the ava... | 05/25/1982 |
| 4291863 | Antifriction device for a valve control shaft The antifriction device for the control shaft of a flow-regulating valve comprises a hollow body and a closure member rotatably mounted within the hollow body. An annular flange is formed on the control shaft at the level of at least one of the packing gl... | 09/29/1981 |
| 4150836 | Backed boss seal fitting A fitting for establishing a sealed connection with a boss which fitting includes a concentric depression about the innermost portion of its boss engaging surface, which retains a backup ring of special cross-section by means of an inwardly facing circumf... | 04/24/1979 |