U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."

Dr. Alfred Velpeau, French surgeon ; 1839

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 172/185 - Spaced on same axis of rotation


Subclass of Class 172 - Earth working
Definition: Apparatus in which the diverse earth working elements have
No. of patents: 8
Last issue date: 05/23/2006


NumberTitleIssue Date
7048069Agricultural disc harrow and method
An agricultural implement consisting primarily of a towed frame supported on retractable wheels, the frame having a plurality of independently adjustable spindles for setting height and angle of attack for various size rotatable discs. Each disc is staggered to redu...
05/23/2006
4950102Wheel compaction unit
A wheel compaction unit for use on the articulated arm of heavy excavation equipment comprises a frame mounted to the equipment arm, the frame including support arms mounting a hub and axle assembly including three independently rotatable bearing mounted ...
08/21/1990
4785891Tilling ridger
A disc ridger having an arrangement of disc gangs that substantially eliminates sidewise draft or clogging tendencies found in previous disc ridgers, also incorporating additional discs located for completing the tillage of the area swept by the disc ridg...
11/22/1988
4765262Three disk opener assembly
An agricultural planter in which three coulters are mounted on a single shaft, which shaft is supported at each end with side supports carried by the frame of the planter. A main large diameter coulter is used to break the soil to make a furrow, another c...
08/23/1988
4291770Levee disc apparatus
A disc apparatus for forming levees used in rice farming and the like. The disc apparatus includes a longitudinal frame member onto which a pair of cross frame members are pivotally attached. A set of disc blades consisting of a plurality of disc blade me...
09/29/1981
4211284Sugarcane cultivator
An improved earth working implement is disclosed which is particularly suitable for surgarcane cultivation, said implement having four main pluralities of saucer shaped cultivator discs carried by a trailer, each of said pluralities being individually adj...
07/08/1980
4195695Land imprinter
A method and apparatus for treatment of land surfaces is disclosed. The land surface is imprinted by means of imprint capsules of alternating geometries--one being a water-runoff-directing geometry; the other, a water-infiltration-enhancing geometry. The ...
04/01/1980
4187916Soil conditioning and seed bed preparing apparatus
Soil conditioning apparatus is disclosed which has a front coulter assembly, preferably with a fluted coulter, for preparing a narrow path wider than the following subsoiler shank by cutting trash and breaking and slitting the topsoil. Following the front...
02/12/1980
 
Sign InRegister
Username  
Password   
forgot password?