Vented precipitation guarding manhole cover assembly
US12270175B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 8, 2021 |
| Grant date | Apr 8, 2025 |
| Priority date | — |
| Expiry date | Jan 10, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K2200/402
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A vented precipitation guarding manhole cover assembly, comprising: a manhole cover having a top exterior surface and a bottom interior surface; a vent opening extending through the manhole cover between the top and bottom surfaces; a valve assembly in fluid communication with the vent opening and extending from the bottom interior surface, the valve assembly configured to extend from the bottom interior surface at least partially inside the manhole, the valve assembly operable between an open position, to enable gas to exit from the manhole, and a closed position, to prevent the flow of fluid from the top exterior surface into the manhole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.