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
System and method for providing a path avoidance feature in a network environment
System and method for determining a characterisitic of an object adjacent to a route
Method and system for advertisement using internet browser to insert advertisements
Transmitter having a programmable amplifier operating class
Lithographic apparatus and device manufacturing method
Electrode tab for secondary battery and secondary battery using the same
Treatment of cancer using the sodium salt of a benzoic acid derivative
  Randomly Featured Patents
Copolymer latex
Microwave oven
Process for producing a semiconductor device
Cellular phone accounting system
Digital camera and method for saving digital image
Vinification apparatus
Multi-band antennas
Aluminophosphate glass containing copper(II) oxide
Semiconductor inductor with a serpentine shaped conductive wire interlaced with a serpentine shaped ferromagnetic core
Window well cover