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Class Information
Number: 285/225
Name: Pipe joints or couplings > Flexible joint, rigid members > Diaphragm
Description: Devices wherein the flexible joint comprises a plate-like member or diaphragm.

Patents under this class:

Patent Number Title Of Patent Date Issued
8511713 Fluid connection device Aug. 20, 2013
7506896 Flexible joint with bellows Mar. 24, 2009
7293572 Cleaning equipment for cleaning a moving surface particularly in a paper machine Nov. 13, 2007
6685235 System and method for attaching tubing Feb. 3, 2004
6485254 Energy dissipating coupling Nov. 26, 2002
6477220 Flexible penetration attachment for strainers Nov. 5, 2002
6209927 Isolation device and fluid connection Apr. 3, 2001
5950676 Expansible bellows and pulsator device including same Sep. 14, 1999
5116085 Sealed expansion joint May. 26, 1992
5006376 Joint boot molded of a thermoplastic polyester elastomer Apr. 9, 1991
4880259 High-temperature-resistant type coupling Nov. 14, 1989
4846509 Flexible joint means Jul. 11, 1989
4804211 Seal assembly Feb. 14, 1989
4387903 Annular seal Jun. 14, 1983

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