Smog monitor
US5356818A · kind A · utility
2Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 8, 1991 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Apr 8, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/23
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The amount of smog formed in air and the smog concentration in air is determined by measuring the consumption of nitric oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.