Hand-held miniature automatic tree injection device
US10455774B2 · kind B2 · utility
0Cited by
9References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 11, 2018 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Sep 11, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G7/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of using a hand-held miniature device for injecting an agent into a tree with continuous pressure that is adjustable. The device features one-thumb on/off switch operation for a metered dose, precise dose measuring, and air-powered injection in a lightweight device. The on/off switch does not need to be held in the on position by a user.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.