Shelters for plants
US11219170B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Jun 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G13/27
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Shelters for enhancing the growth of trees by protecting tree trunks from damaging sunlight. The shelters include a longitudinal tubular structure having a top edge and a bottom edge. The shelters includes a conduit extending from the top edge to the bottom edge of the shelter. The longitudinal tubular structure may be formed from a polymeric material including a pigment selected to block at least a portion of electromagnetic radiation. The polymeric material including the pigment blocks at least about 30% of electromagnetic radiation at any wavelength from about 200 nm to about 2500 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.