Patent · US Expired

Gas sensors

US4198850A · kind A · utility

8Cited by
3References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1978
Grant dateApr 22, 1980
Priority date
Expiry dateMay 31, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/205831
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a gas-sensitive resistor of the metal oxide type, the sensitive body is a single crystal of zinc oxide. Such a sensor has particular application in the testing of oxygen-containing atmospheres for the presence of carbon monoxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.