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Helium-Filled Sun Shade

A helium-filled sun shade for protecting individuals engaged in outdoor activities.

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Class 277/492 - Three or more sections


Subclass of Class 277 - Seal for a joint or juncture
Definition: Sectional piston ring wherein the sectional piston ring
No. of patents: 4
Last issue date: 03/20/2007


NumberTitleIssue Date
7191875Disc brake
A disc brake includes a piston seal made of rubber that is shaped to fit into a seal groove on the inner surface of a cylinder of a caliper for a brake piston. To prevent braking effectiveness from being impaired, even if the temperature of a caliper rises in a disc...
03/20/2007
6419234Oil sealing ring
The present invention relates to an oil sealing ring, especially that used in piston of internal combustion engine or compressor. This oil sealing ring comprises a base ring (2) with a split. An elastic ring (3) is provided in the inner circumference surf...
07/16/2002
5921553Sealing ring assembly for a single sealing ring piston
A sealing ring assembly for installation in a single sealing ring groove of a piston that is for use in an internal combustion engine, hydraulic cylinder piston, or the like, and replaces the top and second ring seals as are presently utilized, which seal...
07/13/1999
4090719Packing assembly
A packing assembly for a pump employed to force fluid at a high velocity includes at least one vee shaped packing ring and a graphite ring positioned adjacent to and abutting the packing ring. These rings are maintained as one unit by first and second ada...
05/23/1978
 
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