Apparatus and methods for agricultural irrigation
US5039251A · kind A · utility
4Cited by
11References
8Claims
0Family size
Inventors
Key dates
| Filing date | Apr 26, 1990 |
| Grant date | Aug 13, 1991 |
| Priority date | — |
| Expiry date | Apr 26, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8782
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An agricultural irrigation system comprised of a plurality of unit pipes which constitute a water supply pipe line and another plurality of unit pipes which constitute a water dispensing line each of whose respective pipe units are connected in series by one or more separate center, valve/connectors which couple successive pipe units of both the water supply pipe line and the water dispensing pipe line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.