Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7293572 | Cleaning equipment for cleaning a moving surface particularly in a paper machine Cleaning equipment for cleaning a moving surface particularly in a paper machine includes a washing head with a chamber in it opening onto the surface to be cleaned and nozzle elements arranged inside the chamber. The cleaning equipment also includes vacuum means an... | 11/13/2007 |
| 6685235 | System and method for attaching tubing An attachment system (601) for maintaining a passageway (603) of a tube (605) in axial alignment with a passageway (607) through a housing (609) includes a spring (611) having an exterior edge (613) and an interior area (615) passing the tube (605). The h... | 02/03/2004 |
| 6485254 | Energy dissipating coupling An apparatus and method for coupling a device to a semiconductor processing chamber is provided. The apparatus generally comprises a first ring disposed proximate a second ring. An energy dissipating media is disposed between the first and second rings. U... | 11/26/2002 |
| 6477220 | Flexible penetration attachment for strainers A flexible penetration attachment for BWR wet-well strainers is provided that causes a suction pipe to communicate with liquid in the wet-well through an aperture in a wet-well wall. The penetration includes a boot for defining an outer circumference of t... | 11/05/2002 |
| 6209927 | Isolation device and fluid connection A metal diaphragm is provided which acts as a spring while defining a flow path. A restraint limits upward movement of the diaphragm during transient motion. Downward movement is resisted by a Belleville spring.... | 04/03/2001 |
| 5950676 | Expansible bellows and pulsator device including same An expansible bellows, includes a pair of end plates attached together and sealed around their peripheries such that their inner faces confront each other to define between them an expansible chamber for containing a fluid. One end plate is formed with an... | 09/14/1999 |
| 5116085 | Sealed expansion joint An expansion joint is disclosed for connection between fluid flow conduits for permitting the expansion and contraction of the conduits while sealing same. The joint includes telescoping cylindrical members each connectable to a conduit and having a rolli... | 05/26/1992 |
| 5006376 | Joint boot molded of a thermoplastic polyester elastomer A molded joint boot obtained by using a highly hard and highly elastic thermoplastic polyester elastomer as the molding material. The molded boot is formed into the shape of a conical bellows having a major-diameter portion connected to a minor-diameter p... | 04/09/1991 |
| 4880259 | High-temperature-resistant type coupling To couple two pipes for hot fluids together, a sealing membrane of temperature and corrosion-resistant material is located transversely within a ring-shaped chamber or space surrounding the end portions of the pipes, the sealing membrane being welded to t... | 11/14/1989 |
| 4846509 | Flexible joint means In a flexible joint having a through-bore for the flow of fluid and comprising a pair of annular rigid members relatively rotatable about the longitudinal axis of the flexible joint, an annular elastomeric bearing is interposed between the relatively rota... | 07/11/1989 |
| 4804211 | Seal assembly A seal assembly is provided for preventing excessive movement between two housings. Whenever two rotating shafts are coupled together, one shaft driving the other, there is generally some movement of the shafts and their respective machines relative to ea... | 02/14/1989 |
| 4387903 | Annular seal A seal assembly for an annular joint, comprising an outer ring, an inner g and an intervening membrane. The entire assembly is screwed into place as a one-step operation. Threads on the rings have the same pitch to preclude or minimize excessive axial ad... | 06/14/1983 |
