Patent · US Expired

Light transmission system and method for buildings

US7222461B2 · kind B2 · utility

16Cited by
17References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 2003
Grant dateMay 29, 2007
Priority date
Expiry dateFeb 28, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A40/25
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A light transmission system and method for a building according to which shading surfaces are provided on the roof of the building for preventing direct sunlight from passing through a roof light, while permitting the maximum amount of indirect sunlight to pass through the roof light.

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