| Patent Number |
Title Of Patent |
Date Issued |
| 6444176 |
Apparatus for purification of water area |
September 3, 2002 |
| A regional water purifier collects blue green algae continuously by using a water flow produced by the operation of a water flow generator, and continuously and efficiently processes the algae to make it inactive by irradiating ultrasonic waves thereon. Thus, regional water purification |
| 5478208 |
Submersed jet pump method for generating a stream of water |
December 26, 1995 |
| An apparatus for generating a stream in a body of water has at least one cylinder installed under water, and a water-jet pump housed in the cylinder. The pump draws water in through one end of the cylinder and produces a stream of water accelerated by a driving fluid supplied from an |
| 5417550 |
Submersed jet pump for generating a stream of water |
May 23, 1995 |
| An apparatus for generating a stream in a body of water has at least one cylinder installed under water, and a water-jet pump housed in the cylinder. The pump draws water in through one end of the cylinder and produces a stream of water accelerated by a driving fluid supplied from an |
| 4174186 |
Floating-type anti-oil anti-impact anti-wave barrier |
November 13, 1979 |
| A floating type anti-oil anti-impact anti-wave barrier includes structure for intercepting oil floating on the water, for mitigating an impact force exerted by a ship or the like, and for intercepting waves. The barrier can collect oil which has flowed out onto the sea to prevent the oil |
| 4111811 |
Apparatus for collecting effluent oil |
September 5, 1978 |
| Improved apparatus for collecting effluent oil floating on a water surface. The improvements exist in that the apparatus utilizes a pair of side plates disposed in a forwardly opened arrangement, a weir which is inclined in a rear-downward direction with its opposite side edges conta |
