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
Consistent retention and disposition of managed content and associated metadata
Integrated bug tracking and testing
Avoiding conflict in update in distributed environment employing multiple clients
Vehicle running control system
Multilayered ceramic electronic component and fabrication method thereof
Method and system for efficient DRX operation during handover in LTE
Resistive random access memory cell and resistive random access memory module
  Randomly Featured Patents
Shuttle-based mechanism for numbering concurrent chains of independent data transfers
Car wash sprayer
Information management and control system
Instrument timing using synchronized clocks
Linear motion compensator
Physical colored inks and coatings
Connecting structures
Dynamic element matching method and system thereof
System for specifying equipment causing failure
Method and apparatus for providing anonymization of data