Greenhouse structure

Details Greenhouse structure Greenhouse structure

1998-10-14

2000-06-27

Poon, Peter M.

Plant husbandry

Greenhouse, apparatus or method

52 63, 160 84R, A01G 1300, A01G 914, E04B 112

Patent

active

060791527

ABSTRACT:
A greenhouse structure, in particular a greenhouse that employs an automatic control system to control the opening and closing of skylights and side windows, the extending or closing of upper and inner sun-shielding screens, and the convection and circulation of air inside the greenhouse. The construction thereof is simple and quick.

REFERENCES:
patent: 589677 (1897-09-01), Witte
patent: 889349 (1908-06-01), Wilson
patent: 1939015 (1933-12-01), McLellan
patent: 4565230 (1986-01-01), Van Rijn et al.
patent: 4837990 (1989-06-01), Peleg
patent: 5140788 (1992-08-01), Lynch
patent: 5265373 (1993-11-01), Vollebregt
patent: 5410844 (1995-05-01), Lynch
patent: 5655335 (1997-08-01), Vermeer

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