Patent · US Active

Ebb and flow watering system

US9176503B2 · kind B2 · utility

1Cited by

9References

19Claims

0Family size

Assignee

IP HOLDING COMPANY LLC · US

Inventors

Martin Carskadon · Vancouver, US
Patrick Barrett · Vancouver, US

Key dates

Filing date	May 12, 2014
Grant date	Nov 3, 2015
Priority date	—
Expiry date	May 12, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/8342
WIPO fieldControl
WIPO sectorInstruments

Abstract

An ebb and flow watering system having controls for starting an internal timing clock when a fluid in a control bucket reaches a fill level, restarting the internal timing clock if the fluid drops below the fill level, and shutting off the fill pump if the internal timing clock runs for a complete fill period; and starting an internal timing clock when the fluid in the control bucket reaches a drain level, restarting the internal timing clock if the fluid raises above the drain level, and shutting off the drain pump if the internal timing clock runs for a complete drain period.

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