Solution introduction system for watering installations
US6533193B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Mar 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8597
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A solution fertilizer introduction system for use with automatic lawn watering systems which include an attachment arrangement for introducing liquid fertilizers to underground lawn watering systems. The system may also be used with other chemicals such as weed killers, bug killers or the like that are available in a liquid state for application to lawns. The system includes a quick connect arrangement from the supplied material source to the watering system for removal and replacement of the same and a flow measurer for correlating the additive introduction or flow to water flow with metering and a timer for controlling the additive to produce a desired lawn. A microprocessor may be utilized for control of the additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.