Patent · US Expired

Flow sensor

US4501144A · kind A · utility

195Cited by
3References
60Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1982
Grant dateFeb 26, 1985
Priority date
Expiry dateSep 30, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01F1/6845
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A flow sensor comprising a pair of thin film heat sensors and a thin film heater is disclosed. A base supports the sensors and heater out of contact with the base with the sensors disposed on opposite sides of the heater and closely adjacent thereto.

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