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Johan A. Perslow Patents |
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Inventor: Perslow; Johan A.
Address: Palm Desert, CA
No. of patents: 5
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6379545 |
Modular wastewater treatment system |
April 30, 2002 |
| A modular system for treating wastewater is designed having different phases. In an initial phase, plural tanks are provided, including at least one reactor and digester tank. In a subsequent phase, at least one of the tanks is converted into a different type of tank, and additional new |
| 6168349 |
System for lining a bank of a waterway |
January 2, 2001 |
| A soil cement bank lining system is provided for substantially reducing or eliminating erosion along the banks of a waterway such as a flood conveyance facility. The system includes at least two soil cement linings arranged at spaced apart locations. One or more over-bank grade control |
| 6132614 |
Modular wastewater treatment system |
October 17, 2000 |
| A modular system for treating wastewater is designed having different phases. In an initial phase, plural tanks are provided, including at least one reactor and digester tank. In a subsequent phase, at least one of the tanks is converted into a different type of tank, and additional new |
| 5255999 |
Water-level control device |
October 26, 1993 |
| A water-level control device is provided for controlling water levels between a high-tide level and a low-tide level. The water-level control device comprises a tiltable pipe connected to a drain pipe by a flexible joint. Tilting of the pipe allows flow of water from a high-tide point to |
| 5186578 |
Wave generator |
February 16, 1993 |
| Waves are generated on the surface of a body of water, at regular intervals, by a wave generator in which water is periodically lifted and allowed to fall in a water-lift chamber. Water enters and leaves the lift chamber through an underwater opening at its bottom. It is lifted by dr |
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