Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 172/209
Name: Earth working > Alternating for right or left hand operation (other than scraper) > Interrelated tool lift and shift
Description: Apparatus having earth working means other than parallel separate tools and means to raise the earth working means from the ground and in which the adjustment of the earth working means for alternate operation results from the operation of the raising means or the lowering of the earth working means to the ground after being raised.

Sub-classes under this class:

Class Number Class Name Patents
172/211 Lift by ground support manipulation 1
172/210 Mast type hitch 0

Patents under this class:

Patent Number Title Of Patent Date Issued
4341148 Hydraulic sequencing valve Jul. 27, 1982

  Recently Added Patents
Storage system with LU-setting function
Asset control in location tracking system
Method and system for leveraging the power of one's social-network in an online marketplace
Image processing apparatus and image processing method
Modified and stabilized GDF propeptides and uses thereof
Vacuum cleaner filter adapter ring
Equipment to facilitate money transfers into bank accounts
  Randomly Featured Patents
QoS scheduler and method for implementing peak service distance using next peak service time violated indication
Desensitized explosives and castable thermally stable high energy explosive compositions therefrom
Self-aligning orifice plate for ink jet printheads
Music paper
Apparatus for and method of controlling the idling of automobile engine
Reflection type liquid crystal display and method of fabricating the same
Cross-coupling reaction of organosilicon nucleophiles
Paint brush cover
Production method of microlens array, liquid crystal display device and production method thereof, and projector
Aldehyde, oxime and phenylhydrazone derivatives of acid S, an antibiotic produced by Polyangium cellulosum var. fulvum