Computerized sonic portable testing laboratory
US5546792A · kind A · utility
12Cited by
12References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1994 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Dec 22, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/0251
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A portable sonic testing device for the testing of waxy and emulsified fluids, utilizing variations in sound wave propogation, light propogation, and changes in electrical resistance in the liquid, all over a range of temperatures and chemical treatment conditions. The patent also discloses equations used to derive additional information from the output of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.