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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7686031 | Hydrant shoe with backflow prevention assembly A fire hydrant system relating to protection of a water supply from contamination. The fire hydrant system includes a barrel adapted to communicate at least indirectly with a water supply; a nozzle extending from the barrel; a hydrant valve adapted to controllably r... | 03/30/2010 |
| 7520294 | Hydrant shoe with backflow prevention assembly A fire hydrant system relating to protection of a water supply from contamination. The fire hydrant system includes a barrel adapted to communicate at least indirectly with a water supply; a nozzle extending from the barrel; a hydrant valve adapted to controllably r... | 04/21/2009 |
| 7314057 | Pedestal hydrant A fluid delivering hydrant providing a valve actuated assembly with enclosing shroud and water resistive doom handle assembly to protect the assembly from exposure to the weather while preventing entry of rainwater into a building structure upon the roof of which th... | 01/01/2008 |
| 7156119 | Hydrant knock-off combination flow stop and backflow check valve A hydrant knock-off combination flow stop valve and backflow check valve, mountable between water system riser and a wet-type hydrant having a breakaway flange ring. The vertical valve has a bulbous, cylindrical outer wall having an upper flange connecting to a wet-... | 01/02/2007 |
| 6401745 | Fire hydrant automatic shut-off valve A fire hydrant automatic shut-off valve including a cylindrical sleeve having an open lower end and an open upper end. The open lower end receives a water supply stand pipe therein. The open upper end receives an open lower end of the fire hydrant thereon... | 06/11/2002 |
| 5218987 | Method and apparatus for water surge protection and protection of fire hydrant systems A method and apparatus are disclosed for protecting a water distribution system from water surge damage which otherwise might result if one of its valves is suddenly opened or closed. The outlet of the shut-off valve and the inlet of the hydrant valve of ... | 06/15/1993 |
| 4748997 | High pressure hydrant repair apparatus and method of repair An apparatus and method of removing and replacing the main water supply valve of a high pressure hydrant without the necessity of shutting off the supply of water to the hydrant, wherein the apparatus generally comprises a hydrant adapter for interconnect... | 06/07/1988 |
| 4393891 | Device for temporarily rinsing a water cock countersunk in the ground The present invention relates to a device for periodically rinsing a water cock countersunk in the ground. A drainpipe is connected between the water cock and a closing member of an extension piece. The drainpipe includes a valve body which is opened by t... | 07/19/1983 |
