Chimney cleaning apparatus
US4727617A · kind A · utility
2Cited by
7References
1Claims
0Family size
Inventors
Key dates
| Filing date | Dec 9, 1985 |
| Grant date | Mar 1, 1988 |
| Priority date | — |
| Expiry date | Dec 9, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF23J3/026
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An improved fully automatic motor driven cleaning apparatus, which is permanently installed in a heat insulated compartment over the outlet of the chimney, without any portion of the mechanism extending into or attaching to the chimney or flue. The cleaning device is returned to a position above the chimney outlet after each cleaning cycle. The unit is remotely operated by a separate and detachable control module which plugs into any household electrical outlet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.