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Class Information
Number: 405/43
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway
Description: Method or apparatus wherein drainage or irrigation is effected by a structure having a water-conducting channel or passage formed therein and wherein the water is removed from or applied to the soil through (a) a port formed in the side wall of the channel or passage, (b) a foraminous side wall portion of the structure, or (c) the connection or joint between elements used to make up the water conducting structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5039251 |
Apparatus and methods for agricultural irrigation |
Aug. 13, 1991 |
| 5030343 |
Drainage cell |
Jul. 9, 1991 |
| 5017042 |
Fluid directing systems |
May. 21, 1991 |
| 5017040 |
Sewage disposal system and method |
May. 21, 1991 |
| 5017041 |
Leaching system conduit with high rigidity joint |
May. 21, 1991 |
| 5015123 |
Method and apparatus for installation of drainage field |
May. 14, 1991 |
| 5003726 |
Method for protecting drip irrigation hoses and other structures from root intrusion |
Apr. 2, 1991 |
| 5003750 |
Method for reducing immunogenic and/or toxic substances in indoor air |
Apr. 2, 1991 |
| 5002429 |
Evacuation hose for fluids |
Mar. 26, 1991 |
| 4997312 |
Water backup preventing system and monitoring system therefor |
Mar. 5, 1991 |
| 4995759 |
Drainage tube construction |
Feb. 26, 1991 |
| 4983069 |
Drywell, drywell system and method for controlling the flow and direction of surface water |
Jan. 8, 1991 |
| 4950103 |
Corrugated drainage tube |
Aug. 21, 1990 |
| 4948295 |
Pipe for watering plants |
Aug. 14, 1990 |
| 4943185 |
Combined drainage and waterproofing panel system for subterranean walls |
Jul. 24, 1990 |
| 4934865 |
Catchwater drain, excavating structure and method of construction |
Jun. 19, 1990 |
| 4930272 |
Drain system |
Jun. 5, 1990 |
| 4930936 |
Partial-seepage drainage pipe with mating sleeve |
Jun. 5, 1990 |
| 4927292 |
Horizontal dewatering system |
May. 22, 1990 |
| 4925342 |
Water management system |
May. 15, 1990 |
| 4923331 |
Composite ground water drainable system |
May. 8, 1990 |
| 4919568 |
System for draining land areas through siphoning from a permeable catch basin |
Apr. 24, 1990 |
| 4917536 |
Fluid storage system |
Apr. 17, 1990 |
| 4913596 |
Athletic field construction |
Apr. 3, 1990 |
| 4909665 |
Fabric-covered structure |
Mar. 20, 1990 |
| 4904112 |
Underground irrigation system |
Feb. 27, 1990 |
| 4892440 |
Water backup preventing system and monitoring system therefor |
Jan. 9, 1990 |
| 4880333 |
Subterranean fluid filtering and drainage system |
Nov. 14, 1989 |
| 4877350 |
Foundation waterproofing method |
Oct. 31, 1989 |
| 4874133 |
Gas supply and distribution center |
Oct. 17, 1989 |
| 4869032 |
Apparatus and method for waterproofing basements |
Sep. 26, 1989 |
| 4848380 |
Foundation drain cleaning apparatus and method |
Jul. 18, 1989 |
| 4840515 |
Subterranean drain |
Jun. 20, 1989 |
| 4832526 |
Underground watering system |
May. 23, 1989 |
| 4824287 |
Septic system |
Apr. 25, 1989 |
| 4820080 |
Process for the construction of a drain system |
Apr. 11, 1989 |
| 4810573 |
Self-healing bentonite sheet material composite article |
Mar. 7, 1989 |
| 4800907 |
Storage space for liquids, with a flushing device |
Jan. 31, 1989 |
| 4799822 |
Profile elements, particularly for supply and/or removal of substances from environmental and/or flow material |
Jan. 24, 1989 |
| 4780023 |
Watering hose |
Oct. 25, 1988 |
| 4759661 |
Leaching system conduit |
Jul. 26, 1988 |
| 4756643 |
Apparatus for placement of lateral drain lines onto a main drainage line for prefabricated composite drainage structures |
Jul. 12, 1988 |
| 4752402 |
Settling pond separation using permeable fabric and weighting |
Jun. 21, 1988 |
| 4745716 |
Structural water control |
May. 24, 1988 |
| 4740104 |
Underground irrigation or watering of soil |
Apr. 26, 1988 |
| 4733989 |
Self-healing bentonite sheet material composite drainage structure |
Mar. 29, 1988 |
| 4717284 |
Device for draining soils in depth |
Jan. 5, 1988 |
| 4706418 |
Roofing cant |
Nov. 17, 1987 |
| 4704047 |
Land drainage system |
Nov. 3, 1987 |
| 4697952 |
Underground irrigation apparatus and method for using same |
Oct. 6, 1987 |
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