Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Method and apparatus for the regeneration of lawn surfaces in particular of grass sport pitches










Image Number 3 for United States Patent #4122784.

A wheel supported chassis has a motor driving it intermittently across a lawn or turf surface for predetermined distances between cycles, a drilling means drills holes in the turf area while the apparatus is stationary, a collecting platform feeds tubular plugs from an upper elevation to a transport wheel which positions a plug carried in a tubular container over a drilled hole, a cylinder for reciprocating the drilling means also effects pushing of the plug into the drilled hole with the plug being removed from a tubular container and the cycle being repeated as the apparatus traverses a desired work area.








 
 
  Recently Added Patents
Battery loading and unloading mechanism
Matching geometry generation and display of mammograms and tomosynthesis images
Remote ignition system for a vehicle and method for securing a remote ignition function
Magnetoresistive element and manufacturing method of the same
Flip flop shoe
Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding
Facial recognition using a sphericity metric
  Randomly Featured Patents
ATM edge node switching equipment utilized IP-VPN function
Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste
Hose retainer for thermal blanket
Forceps instrument for endoscope
Adaptive gain and phase controller for autopilot for a hypersonic vehicle
Multi-mode radar exciter
Optical recording method and optical recording device
Rate enhancement of nitroxyl radical-mediated polymerization
Sleeved rollers for use in a fusing station employing an internally heated fuser roller
Video signal processing device including emphasis and/or de-emphasis circuit