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
High sensitivity stress sensor based on hybrid materials
Method and system of channel detecting and reporting, terminal, and management center
Prodrugs of [4 [4-(5-Aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-(1H-pyrrolo-pyridin-yl- )-methanones and synthesis thereof
Navigation apparatus, search result display method, and graphical user interface
Emergency whistle, flashlight, and compass
Phosphoinositide 3-kinase inhibitor with a zinc binding moiety
Crystal structure of human JAK3 kinase domain complex and binding pockets thereof
  Randomly Featured Patents
Golf ball
Pressure pulsations reducing compressor
High strength polyester fibrous products
Elongated bumper bar with sections twisted rotationally about the axis of elongation
Thermometer cradle
Telephone
Combination boat and trailer assembly with integrated retractable trailer wheel structure
Generating a key hieararchy for use in an isolated execution environment
Detection of specific BFD path failures
Method and apparatus for measurement of mobile charges with a corona screen gun