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
Methods and apparatus for deactivating internal constraint curves when inflating an N-sided patch
Disk drive increasing capacity by adjusting a servo gate during write operations
Accelerator for a read-channel design and simulation tool
Frothable aqueous composition for use in a carpet backing composition
High power fiber amplifier with stable output
Light emitted diode
Semiconductor device with hetero-junction bodies
  Randomly Featured Patents
Exhaust system for small watercraft and personal watercraft
Capacitive electric musical instrument vibration transducer
Decurling bar cover
Composite chemical barrier fabric
Glial mitogenic factors, their preparation and use
Injection quantity control apparatus provided to internal combustion engine
Vibration control element for a cooling fan
Use of a dual-tone resist to form photomasks including alignment mark protection, intermediate semiconductor device structures and bulk semiconductor device substrates
Medical X-ray inspection apparatus
Arylmethoxy isoindoline derivatives and compositions comprising and methods of using the same