Cover with gas permeable layer
US9895628B2 · kind B2 · utility
0Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2016 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | May 2, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A holding tank cover includes a gas permeable insulating membrane and a gas impermeable cover layer sized to overlay and conceal the gas permeable membrane. Together, the gas permeable membrane and the gas impermeable cover layer facilitate a controlled transmission of gas between an interior of the holding tank and an environment external to the holding tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.