Patent · US Expired

Apparatus and methods for agricultural irrigation

US5161912A · kind A · utility

9Cited by
11References
10Claims
0Family size

Inventors

Key dates

Filing dateOct 23, 1990
Grant dateNov 10, 1992
Priority date
Expiry dateOct 23, 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 plurality water dispensing line each of whose respective pipe units are connected to respective center, valve/connectors which couple successive pipe units of the water supply pipe line.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.