Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 172/768
Name: Earth working > Tool, standard or connection > Specific tool shape > Draw cut type
Description: Apparatus in which the earth-breaking portion of the tool has a rearward and downward inclination so as to break the earth by being drawn therethrough.

Patents under this class:

Patent Number Title Of Patent Date Issued
7568439 Fertilizer knife and point structure Aug. 4, 2009
5310009 Agricultural insert May. 10, 1994
5007485 Earth crust breaker Apr. 16, 1991
4102407 Reforestation tillage mechanism Jul. 25, 1978

  Recently Added Patents
Method and apparatus for controlling cardiac resynchronization therapy using cardiac impedance
Aperture stop
Method of making an array of nucleic acid colonies
Method and system for enabling rendering of electronic media content via a secure ad hoc network configuration utilizing a handheld wireless communication device
Magnetoresistive element and manufacturing method of the same
Computer server capable of supporting CPU virtualization
Acrylic pressure-sensitive adhesive composition, acrylic pressure-sensitive adhesive layer, and acrylic pressure-sensitive adhesive tape
  Randomly Featured Patents
Foldable book holder
Retainer for surgical sutures
Method and apparatus for formatting synchronous and asynchronous data
Neuroprotective indolone and related derivatives
Apparatus for chamfering, pointing or the like of workpieces having a head or shoulder
Compact disc player case
Integrated charge and voltage mode drive circuit for piezo actuators used in mass data storage devices, or the like
Neutralizing monoclonal antibodies against the Nogo-66 receptor (NgR)
Ratchet mechanism
Device for spreading a flame by the Coanda effect