Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 172/399
Name: Earth working > With ground support vertically adjustable relative to frame > With power take-off from plural wheels
Description: Apparatus in which power derived from the rolling motion of a plurality of ground wheels as the apparatus is propelled over the ground is used to move said wheels or other ground wheels vertically with respect to the frame.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
PLL circuit
Apparatus for generating electrical energy from rocking activated energy
Millimeter wave imaging method and system to detect concealed objects
Aspect ratio enhancement
Vanadium, cobalt and strontium additives for use in aluminum back solar cell contacts
Electronic dispersion compensation within optical communications using reconstruction
Methods and apparatus for power amplifier calibration
  Randomly Featured Patents
IR camera
One component developer for developing electrostatic image and image forming method
Adaptive type color demodulation apparatus for PAL system
Tilting-carriage pinching spooled material dispenser
Method for repairing boiling water reactor shrouds
Method of binding a compound to a sensor surface
Greenhouse construction provided with special ridge for ventilation
Fuel level detector for automobile fuel tank
Male incontinence product and package therefor
Liquid crystal display device with periodical changed voltage difference between data voltage and common voltage and driving method thereof