Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 172/148
Name: Earth working > Diverse tools > Three or more diverse implements following same path (a, b, c, or a, b, a,) > Longitudinally spaced like implements with intermediate diverse implement (a, b, a)
Description: Apparatus in which the first and third implements in the direction of travel are alike and the intermediate or second implement is of a different type.










Patents under this class:

Patent Number Title Of Patent Date Issued
6382873 Soil levelling device May. 7, 2002
5590721 Conservation tillage tool Jan. 7, 1997
5477792 Apparatus for preparing soil for seed and method of using the apparatus Dec. 26, 1995
5156216 Conservation compliance tillage tool Oct. 20, 1992
4412589 Earth clod pulverizer Nov. 1, 1983
4374546 Conditioning apparatus for dirt race tracks Feb. 22, 1983
4243104 Soil working machine Jan. 6, 1981











 
 
  Recently Added Patents
Battery module
Terminal box assembly
Adhesive structure of optical device, adhesion method, and optical pickup device
Pipette device
Target trading system and method
Method and system for coding an information signal using closed loop adaptive bit allocation
Wound dressings
  Randomly Featured Patents
Electrically commutated DC motor for a liquid pump
Spacer and process to enhance the strain in the channel with stress liner
SP35 antibodies and uses thereof
Carbon capture in fermentation
Pervaporation process for separating alcohols from ethers
Automated creation of a list of disallowed network points for use in connection blocking
Avoiding memory fragmentation in printers
Network node with internal battery backup
Print device and program product for supporting print by reference methods
Grill device with an upper grill unit capable of being retained at a half-open position or a horizontal fully-open position