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
Proton conducting electrolytes with cross-linked copolymer additives for use in fuel cells
Circuit and method for generating an AC voltage from a plurality of voltage sources having a temporally variable DC output voltage
Accessory sleeve
Matching a usage history to a new cloud
Piano keyboard with key touch point detection
Wake-up radio system
  Randomly Featured Patents
System and method for determining trust for SIP messages
New additives for lubricants
Program initiation control apparatus
Nanocomposites of silicon nitride, silicon carbide, and boron nitride
Methods, apparatus, and devices for noise reduction
Reagent, a kit, and a method for detecting and identifying a wide range of illicit drugs
Method of making transducer with inorganic nonferromagnetic apex region
Protein separation via ion-exchange chromatography and associated methods, systems, and devices
Aqueous polymer dispersions containing amphiphilic block copolymers, method for producing said dispersions and the use thereof
Razor handle