Indoor/outdoor patio heater fire sculpture
US7175424B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Jun 22, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24C15/06
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
The present invention is an indoor/outdoor patio heater which includes a base portion housing a gas source, a gas burner, gas valve, a fan under the burner to create twisting flame patterns and a liquid pump, a pair of concentric see-through tubular portions disposed vertically above said base portion and a top heat deflector portion, with the burner flame enclosed by the inner tubular portion and liquid flowing through the channel formed between the inner and outer tubular portions to create the appearance of a twisting flame enclosed within a waterfall. The invention can be utilized with its aesthetic flame features and its aesthetic water features together, or one or the other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.