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
Control apparatus for autonomous operating vehicle
Apparatus and method for controlling semiconductor die warpage
Newly identified human rhinovirus of HRV-C and methods and kits for detecting HRV-Cs
Enediyne compounds, conjugates thereof, and uses and methods therefor
Display for gloves
Multiplexing channels by a medium access controller
Communication system and data transmission method thereof
  Randomly Featured Patents
Integrated circuit having features to limit substrate current
Offset-compensated switched-capacitor filter for TDM multichannel analog signals
Synthesis of diamonds
Tuned mass actuator arms for decreasing track misregistration in a depopulated head suspension disk drive
Motion field generation for non-rigid image registration
Method for repairing and reinforcing cast iron molds
Marking voice messages as heard
System for mounting components in a computer chassis
Pneumatic tire including gas absorbing cords
Electrical connector cover kit