Methods and devices for measuring compositions of fluids
US9778299B2 · kind B2 · utility
5Cited by
37References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 2015 |
| Grant date | Oct 3, 2017 |
| Priority date | — |
| Expiry date | Mar 6, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/16
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor for detecting the breakthrough of hardness in a water softener measures a change in the conductivity of elongated cation-exchange material in contact with the treated water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.