Liquid sensing circuit
US5378993A · kind A · utility
6Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1993 |
| Grant date | Jan 3, 1995 |
| Priority date | — |
| Expiry date | Dec 20, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/221
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is a device that senses the presence of detergent, sanitizer, or rinse agent in chemical feed tubes. More specifically, the device is a non-invasive chemical sensor which alleviates any need for direct contact with fluid or extra connections in the chemical feed tubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.