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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 251/315.02 - Having a particular hardness (i.e., durometric property)


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter which relates to the durability of the ball
No. of patents: 6
Last issue date: 05/27/2008


NumberTitleIssue Date
7377482Composite toroidal gasket ring for ball valves
A gasket ring assembly for use with the rotating ball in a ball valve, the gasket ring assembly including a substantially L-shaped support and a toroidal elastomer gasket. The substantially L-shaped support includes a horizontal section and a vertical section. The h...
05/27/2008
7163189Tapping valve of plastics material for transport and storage containers for liquids
A tapping valve of plastics material for transport and storage containers for liquids, which is constructed as a flap valve or ball valve, includes a valve housing with an inlet connection connectable to an outlet connection of the liquid container and an outlet con...
01/16/2007
6293517Ball valve having convex seat
A valve includes a valve ball and a convex metal valve seat ring that abut along a circle in a metal-to-metal seal. At very high contact forces, the valve ball and/or the valve seat elastically deform to increase the contact area between them and thereby ...
09/25/2001
5259590Valve seat for high temperature valve
Valve such as a ball valve with a metal seat ring assembly comprising an outer ring seated in the valve body and an inner ring seated in the outer ring. The outer ring is formed with a lip projecting inwardly and presenting a sealing surface for contact w...
11/09/1993
4753443Composite annular seals for rotary ball valves and ball joints
A composite annular seal for a rotary ball valve or ball joint comprises a sealing ring (C) of low friction material intended to engage the ball (2), a first metal ring (A) of which part of one face is adapted resiliently to engage and conform with part o...
06/28/1988
4034959Valve seal retaining means
A valve comprised of a valve body having a body with flow passages therethrough and a valve member mounted therein movable between open and closed positions. An annular groove in the body around a flow passageway has an open end, a closed end, and a pair ...
07/12/1977
 
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