Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Apparatus and method for image reconstruction and CT system
Systems and methods for generating customized user interfaces
Wavelength and power scalable waveguiding-based infrared laser system
Lubricant coating device and image forming apparatus
Phase-amplitude 3-D stereo encoder and decoder
Resistor and manufacturing method thereof
Secure Flash-based memory system with fast wipe feature
  Randomly Featured Patents
Press having a dosing system
Liquid dispensing cabinet
Disk cartridge
Two piece locking oil pickup tube assembly
Blowby oil separator and reservoir device
Bias container/applicator trim package for dimensionally stable solid paints and related materials
Quantum random address memory
Method and apparatus for running different types of applications on a wireless mobile device
Glaze compositions
High capacity sputter-etching apparatus