Patent · US Active

Water and nutrient delivery device

US8296996B2 · kind B2 · utility

1Cited by
6References
18Claims
0Family size

Inventor

Key dates

Filing dateAug 13, 2008
Grant dateOct 30, 2012
Priority date—
Expiry dateAug 22, 2028

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01G29/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A device for delivery of water and at least one further compound which comprises at least one first part containing at least one first compound; at least one second part substantially surrounding said first part, the or each second part being at least partially permeable to water and to the or at least one first compound; and at least one third part substantially surrounding said second part, the or each third part including a water absorbent material.

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