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Class Information
Number: 405/47
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Flow through joint
Description: Method or apparatus wherein the water-conducting member is comprised of serially arranged segments, and the water is removed from or applied to the solid through a space between adjacent ends of said segments.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7264418 |
Modular slotted drain assembly |
Sep. 4, 2007 |
| 7040839 |
Subsurface irrigation of plants, trees and landscape with water containing gas micro-bubbles |
May. 9, 2006 |
| 7021671 |
Septic tank drain field pipe manifold system and method of use |
Apr. 4, 2006 |
| 6691472 |
Foundation wall protector |
Feb. 17, 2004 |
| 6517283 |
Cascading chute drainage system |
Feb. 11, 2003 |
| 6386550 |
Subterranean coupler |
May. 14, 2002 |
| 5298172 |
Method and apparatus for removing grit from sewage |
Mar. 29, 1994 |
| 4948295 |
Pipe for watering plants |
Aug. 14, 1990 |
| 4807668 |
Drip irrigation tape |
Feb. 28, 1989 |
| 4411555 |
Draining, irrigating and dispersing mass |
Oct. 25, 1983 |
| RE29546 |
Drip level irrigation |
Feb. 21, 1978 |
| 4065925 |
Underground drainage pipe |
Jan. 3, 1978 |
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