Seed flow regulator
US11596096B2 · kind B2 · utility
0Cited by
12References
3Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 23, 2018 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Apr 26, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C7/082
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A mini-hopper for an agricultural row unit that has a fill tube supplying material to a hopper. A backflow preventer is disposed in the fill tube or in a line to the inlet to prevent flow of material from the mini-hopper through the fill tube when the mini-hopper is in a transport position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.