Resources Contact Us Home
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
Quantifying the risks of applications for mobile devices
Reframing circuitry with virtual container drop and insert functionality to support circuit emulation protocols
Optical scanner and image-forming device
Apparatus and method for exerting force on a subject tissue
Automatic portable electronic device configuration
Method and system for remotely testing a wireless device
  Randomly Featured Patents
Three-dimensional mapping based on scattered penetrating radiation
Treatment system and method for the surface treatment of workpieces, particularly vehicle bodies
Tool with releasably mounted self-clamping cutting head
Method for improving fluorescent coatings
Modular optical amplifier structure for highly dense interleaved WDM systems
Process for producing semiconductor and apparatus for production
Photocatalyst composition and process for its production, and photocatalyst composition-attached substrate
Extended wavelength strained layer lasers having nitrogen disposed therein
Biodegradable polymer matrices for sustained delivery of local anesthetic agents
Vehicle bumper system