Lavatory sink drain assembly
US10358804B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2017 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Nov 20, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03C1/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method and apparatus according to which a first portion of a fluid is communicated through one or more first openings of a drain plug sieve, the first portion of the fluid is filtered with a filter element of a filter assembly, the filter assembly comprising an inner tubular member, an outer tubular member within which the inner tubular member extends, and the filter element, which filter element extends within an annular region defined between the inner tubular member and the outer tubular member, a second portion of the fluid is communicated through one or more second openings of the drain plug sieve, and the second portion of the fluid is permitted to flow through a first fluid passage of the inner tubular member to bypass the filter element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.