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
Solid-state imaging device
Methods and apparatus to determine impressions using distributed demographic information
System and method for seamlessly increasing download throughput
System and method for providing dynamic navigation through a property to a selected destination
Semiconductor arrangement with a solder resist layer
Aperture stop
Electronic device with a screen
  Randomly Featured Patents
Amplifier offset cancellation using current copier
Window component extrusion
ACL fixation pin
Belt mounted camera support clip
Method and apparatus for detecting a solder bridge in a ball grid array
Ultrafine-L-carnitine, methods of preparing the same, compositions containing the same, and methods of using the same
Process for producing N-(halomethyl)acylamides
Simultaneous signal devices testing in response to periodic function of an operating device in a system
Instrument and process for the minimum distance verification between two teeth for the placement of one or two bone integrated cylindrical or screwed type implants in dentistry
Repeating temperature sensing immersion probe