Gravity-fed toilet with quiet siphonic flush
US11047123B2 · kind B2 · utility
3Cited by
13References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2019 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03D11/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A toilet includes a bowl, a trapway, and a passage. The trapway is fluidly connected to the bowl at a trapway inlet and extends downstream from the bowl. The trapway includes an up-leg and a down-leg extending downstream from the up-leg. The passage is fluidly connected to the trapway downstream from the trapway inlet. The passage is configured to allow ambient air from outside the toilet to pass therethrough toward the trapway.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.