Diverse tools > Rolling and non-rolling > Patents

Resources

Home

Browse by:

Browse by Category: Main > Construction

Class Information
Number: 172/174
Name: Earth working > Diverse tools > Rolling and non-rolling
Description: Apparatus in which one of the earth working elements is given a rotating motion by the resistance of the earth as it is drawn thereover and another earth working element is of a nonrolling type.

Sub-classes under this class:

Class Number	Class Name	Patents
172/175	Following same path	20
172/182	Laterally spaced	12

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6698525	Low-till harrow implement	Mar. 2, 2004
6675906	Ground surface treatment apparatus	Jan. 13, 2004
5613566	Row crop stalk and root remover	Mar. 25, 1997
5361848	Agricultural cultivator	Nov. 8, 1994
4131162	Earth working apparatus	Dec. 26, 1978
4117893	Agricultural tool bar	Oct. 3, 1978