Liquid fertilizer applicators and methods of forming liquid fertilizer concentrate
US11267766B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Sep 25, 2019 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC05G5/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A fertilizer application system for a liquid fertilizer concentrate includes a container containing a first fluid. A siphon is disposed on the container and includes two inlets and an outlet. A flow control valve is configured to selectively control an amount of first fluid flowing through the siphon based on ambient temperature of an environment outside the container. A siphon tube includes a siphon tube first portion in fluid communication with the first fluid, and a siphon tube second portion fluidly coupled to an inlet of the siphon. The first fluid includes a liquid fertilizer concentrate comprising a nitrogen containing source, a phosphorous containing source, a sulfur containing source, a potassium containing source, an iron containing source, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.