Thief hatches for pressure vessel systems
US12203601B1 · kind B1 · utility
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20References
27Claims
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Assignee
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Key dates
| Filing date | Mar 22, 2024 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Mar 22, 2044 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF17C2205/0332
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A thief hatch for a pressure vessel system including an annular seal flange attachable to an opening of a pressure vessel of the pressure vessel system, a piston coupled to the seal flange, an annular seal assembly located between an outer surface of the piston and an inner surface of the seal flange, and a biasing element coupled to the piston and configured to apply a biasing force against the piston to bias the piston towards a first position corresponding to a closed configuration of the thief hatch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.