Adjustably sized skimmer and associated system for use in manholes
US11851868B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 21, 2021 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | May 21, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F5/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A skimmer for use in a manhole includes a frame and cladding. The frame includes an adjustable arc having an adjustable overall length and including an arced member, a first side member and a second side member. The arced member has a first end and a second end opposite the first end and defining a curve therebetween. The first side member is slidably adjustable relative to a first end of the arced member and selectively coupled thereto in one of a plurality of predefined first side member positions. The second side member is slidably adjustable relative to a second end of the arced member and selectively couplable thereto in one of a plurality of predefined second side member positions. The cladding covers a substantially entirety of one side of the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.