Patent · US Expired

Method of and means for filtering the infrared rays from a source of UV radiation

US4100418A · kind A · utility

10Cited by
2References
27Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 4, 1977
Grant dateJul 11, 1978
Priority date
Expiry dateMar 4, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V7/24
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The ultraviolet and infrared radiation from a source of UV radiation is subjected to the selective infrared radiation-filtering action of steam which transmits the ultraviolet rays while absorbing the infrared rays.

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