Backpack spreader
US6089477A · kind A · utility
30Cited by
16References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jan 4, 1999 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Jan 4, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B7/1486
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A backpack spreader comprising a hopper having an outlet port. The hopper holds chemical materials therein. A mounting means is for mounting the hopper on a back of a person. A flexible feed tube has a first end connected to the outlet port of the hopper. A dispensing gun is connected to a second end of the flexible feed tube. The dispensing gun held and operated by a hand of the person will evenly spread the chemical materials over large areas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.