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
Data center management unit with improved disaster prevention and recovery
System and method for identifying a target signal in an optical transport network frame structure
Catalysts and process for producing aldehydes
Mixture, especially spinning solution
System and method for managing content on a network interface
Pyrrolidine-1,2-dicarboxamide derivatives
Microcapsules, their use and processes for their manufacture
  Randomly Featured Patents
Liquid crystal display device having interlaced driving circuits for driving rows and columns one-half cycle out of phase
Reversible printing display
Hemostasis valve with locking seal
Optimized fault notification in an overlay mesh network via network knowledge correlation
Opening and stopper device
Small-spot spectrometry instrument with reduced polarization
Over-voltage protection circuit
Method and apparatus for extending the bandwidth of a Class D amplifier circuit
Reaction bonded alumina filter and membrane support
Tangential misalignment precompensation in a direct access storage device