Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 172/173
Name: Earth working > Diverse tools > Including smooth levelling roller > With teeth
Description: Apparatus in which the roller has combined therewith a plurality of nonrolling earth working teeth.

Patents under this class:

Patent Number Title Of Patent Date Issued
8534373 Soil tilling and planting implement Sep. 17, 2013
8528656 Soil tilling and planting implement Sep. 10, 2013
8430179 Soil tilling and planting implement Apr. 30, 2013
8408324 Reducing build up of crop residue on shanks Apr. 2, 2013
8291998 Furrow closing wheel assembly Oct. 23, 2012
7328807 Method and device for classifying fine particles Feb. 12, 2008
6994632 Golf training installation Feb. 7, 2006
6865827 Utility device having an improved rotatable drive mechanism Mar. 15, 2005
5628372 Land management apparatus for creating irrigation pools May. 13, 1997
5487429 Spring tooth harrow packer Jan. 30, 1996
5357739 Roller rake apparatus Oct. 25, 1994
4815223 Snow grooming vehicle and attachments Mar. 28, 1989

  Recently Added Patents
Methods of forming semiconductor devices having diffusion regions of reduced width
Integrated wire carrier for electrode array
Image sensor with improved color crosstalk
Voltage regulator with improved voltage regulator response and reduced voltage drop
Connector interface for a cable
Single-stage PFC converter with constant voltage and constant current
  Randomly Featured Patents
Camera rain shield
Novel susceptor for use in chemical vapor deposition apparatus and its method of use
Integrated circuitry
Halogen spotlight with LED light
Centerless grinding machine
Voltage regulator for liquid crystal display
Human relationships registering system and device for registering human relationships, program for registering human relationships, and medium storing human relationships registering program a
Diagnostic device for the examination of biological material
Wire connection with exchangeable securing member for electric connection terminal assembly
Process and apparatus for production of toilet paper rolls having no core