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Class Information
Number: 405/36
Name: Hydraulic and earth engineering > Drainage or irrigation
Description: Method or apparatus including a step or means for either (a) collecting and removing surplus water from the soil, (b) applying water to the soil for agricultural purposes, or (c) the installation of apparatus for collecting and removing water from the soil or applying water to the soil.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5590979 |
Flexible pipe diffuser and method of using the same |
Jan. 7, 1997 |
| 5587072 |
Storm sewer outlet filter |
Dec. 24, 1996 |
| 5584602 |
Method for landscape and hardscape edging |
Dec. 17, 1996 |
| 5573349 |
Sediment dike with absorber apparatus |
Nov. 12, 1996 |
| 5573347 |
Drain preparation apparatus and method of using same |
Nov. 12, 1996 |
| 5567077 |
Drainage network |
Oct. 22, 1996 |
| 5564857 |
Slutted drain |
Oct. 15, 1996 |
| 5553970 |
Water-saving irrigation device |
Sep. 10, 1996 |
| 5551797 |
Underground drainage sump system and method of retrofitting for protecting a floor slab |
Sep. 3, 1996 |
| 5531888 |
Arrangement for separation of coarse matter and/or bulky solids in rainwater relief structures |
Jul. 2, 1996 |
| 5525007 |
Sewer construction |
Jun. 11, 1996 |
| 5525416 |
Play area surface treatment |
Jun. 11, 1996 |
| 5522672 |
System and method for cleaning a sewage field line from a septic tank |
Jun. 4, 1996 |
| 5516229 |
Drain field system |
May. 14, 1996 |
| 5516232 |
Runoff water diverter |
May. 14, 1996 |
| 5511903 |
Leaching chamber with perforated web sidewall |
Apr. 30, 1996 |
| 5511904 |
Storm water infiltration |
Apr. 30, 1996 |
| 5507595 |
Apparatus for treating soil |
Apr. 16, 1996 |
| 5495696 |
Foundation drainage system |
Mar. 5, 1996 |
| 5496133 |
Transport assembly for pump and discharge line |
Mar. 5, 1996 |
| 5492434 |
Water-retaining barrier and method of construction |
Feb. 20, 1996 |
| 5487621 |
Large-depth underground drainage facility and method of running same |
Jan. 30, 1996 |
| 5480260 |
Ground water collection method and apparatus |
Jan. 2, 1996 |
| 5468097 |
Method of circulating ground water in ground regions with a fall of ground water level |
Nov. 21, 1995 |
| 5468096 |
Means for securing a cover over a drainage channel |
Nov. 21, 1995 |
| 5466091 |
Surface drainage apparatus |
Nov. 14, 1995 |
| 5460867 |
Separation layer for laying grass-surfaces on sand-and/or gravel base |
Oct. 24, 1995 |
| 5458436 |
Modular drainage tube construction system |
Oct. 17, 1995 |
| 5429453 |
Means for resurfacing tennis courts and the like |
Jul. 4, 1995 |
| 5427473 |
Tennis court irrigation |
Jun. 27, 1995 |
| 5425600 |
Drainage block feedthrough for assembly of walls constructed of specialized retaining blocks |
Jun. 20, 1995 |
| 5419655 |
Collection of liquid from below-ground location |
May. 30, 1995 |
| 5415499 |
Method for the repair of existing manholes using elastomeric materials |
May. 16, 1995 |
| 5405218 |
Method for the repair of existing manholes using elastomeric materials |
Apr. 11, 1995 |
| 5403118 |
Optimum water retention system for use in agricultural fields |
Apr. 4, 1995 |
| 5387054 |
Scouring system for automatically scouring an empty liquid reservoir |
Feb. 7, 1995 |
| 5383744 |
Subirrigation system and method |
Jan. 24, 1995 |
| 5378357 |
Light-weight drainage line unit employing end-to-end connectors |
Jan. 3, 1995 |
| 5366318 |
Sump assembly |
Nov. 22, 1994 |
| 5366323 |
Drainage and erosion reduction means |
Nov. 22, 1994 |
| 5360289 |
Drainage water pumping station and method for operating the same |
Nov. 1, 1994 |
| 5350251 |
Planted surface moisture control system |
Sep. 27, 1994 |
| 5345741 |
Silt blockage for catch basins |
Sep. 13, 1994 |
| 5342144 |
Stormwater control system |
Aug. 30, 1994 |
| 5336018 |
Tidal system and method for cleansing a harbor |
Aug. 9, 1994 |
| 5322387 |
Waste water drainfield |
Jun. 21, 1994 |
| 5316410 |
Foundation drainage system |
May. 31, 1994 |
| 5310281 |
Subsurface irrigation system |
May. 10, 1994 |
| 5310288 |
Work method for stabilizing and greening a slopeside of mudstone or laccolith |
May. 10, 1994 |
| 5308192 |
Method and apparatus for rehabilitating sewage manholes |
May. 3, 1994 |
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