Resources Contact Us Home
Greenhouse structure

Image Number 4 for United States Patent #4014133.

A greenhouse structure for growing vegetables, flowers, and like plants inside under good conditions particularly in the fall, winter, and early spring portions of the year includes a building structure having a rear wall and opposite end walls and a roof defining an enclosed space having an open front side and a closure member movable between an open position and a closed position with the closure member being adapted to close the open front side of the building structure. Power means are operatively connected to the closure member for moving same between the open position and the closed position in response to temperature measurement within the building structure for controlling some growing conditions of the plants.

  Recently Added Patents
Door-activated entry light fixture
System and method for creating a build set and bill of materials from a master source model
Solution based precursors
Multi-wired antenna for mobile apparatus
Camera system, video processing apparatus, and camera apparatus
High throughput thin film characterization and defect detection
Cartridge for separating analyte from mixture, comprising dispensing and receiving chambers and insert
  Randomly Featured Patents
Golf shoe with removable sole
Circuit arrangement and method for testing a reset circuit
Method and system for improved tablature notation in digital music scores
P-type group III nitride semiconductor and group III nitride semiconductor element
Portable golf bag cart
Smoke detector with dark chamber
Switching booster power circuit
Robust barcode and reader for rod position determination
Satiation devices and methods
Electromechanical alarm clock