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 10 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
Fire detector
Imaging apparatus having selection unit to select focus detection areas
Method and apparatus for controlling peak amplifier and doherty power amplifier
Xylitol-based anti-mucosal compositions and related methods and compositions
Data storage device and block selection method for a flash memory
Methods and systems for creating a tail risk hedge index and trading derivative products based thereon
Bi-level switching with power packs
  Randomly Featured Patents
Toy turtle shell
Catalyst material for reducing nitrogen oxides in flue gases and method for producing the same
Digitizing ohmmeter system
Intermediate layer material of three-layer resist system and method of forming resist pattern
Process for accelerating the digestion and sedimentation steps on the Bayer alumina process
Microwave sintering process
Method and apparatus for the treatment of a waste gas containing dists and chemical contaminants
Sidelooking radar and system for identifying objects
Dental glass ionomer cement composition
Beam shaping and practical methods of reducing loss associated with mating external sources and optics to thin silicon waveguides