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
Mask blank, transfer mask, and film denseness evaluation method
Viewing stand
Control unit including a computing device and a peripheral module which are interconnected via a serial multiwire bus
Plants and seeds of hybrid corn variety CH424126
Maize variety hybrid X13A495
Luminescent substrate for liciferase
Calibration of quadrature imbalances using wideband signals
  Randomly Featured Patents
Dihydrodipicolinate synthase from Bacillus methanolicus
Solid medicaments obtained by extrusion of an isomalt-containing polymer-active substance melt
Performance control system, performance control apparatus, performance control method, program for implementing the method, and storage medium storing the program
Vacuum frame registration board with static sink
Divider for cardboard boxes
Differential optical switch for data multiplexing in an optical fiber loop of an optical information storage apparatus
System and method for multilanguage text input in a handheld electronic device
Process for preparing branched chain hydrocarbons
Face mask
Cyclonic vacuum cleaner