Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Detection and use of low molecular-weight modulators of the cold-menthol receptor TRPM8
Oil extractor and the preparation method thereof
Battery cell separator
Light powered hearing aid
Protein purification
Image processing system and method
Compact ion accelerator source
  Randomly Featured Patents
Process for producing an aluminum nitride sintered body
Method and apparatus for peeling surface protective film
Semiconductor memory device having a multiple tunnel junction pattern and method of fabricating the same
Background corrector for spectrochemical analyses of biological samples
Image-rendering unit for a projection device
Golf bag security device
Film coating cover and film coating device using same
Accelerometer for optimizing speed of clothes washer
Inks and coating compositions containing rosin-modified epoxy resins
Delivery device for the administration of stabilized growth promoting hormones