Non-invasive time-based sag testing apparatus
US11840926B2 · kind B2 · utility
1Cited by
11References
5Claims
0Family size
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Key dates
| Filing date | Sep 28, 2021 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Sep 28, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2015/0092
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Time-based sag in a fluid can be measured non-invasively using a time-based sag testing apparatus by measuring the change in rotational inertia over time of fluid having no initial density gradient and a center of mass initially coincident with its geometric center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.