Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 172/524
Name: Earth working > Rolling, rotating or orbitally moving tool > Axis substantially vertical > With vertically extending teeth > Positioning means engaging circumference
Description: Apparatus in which a means engages the peripheral portion of the earth working element to control or to aid in controlling the position of the earth working element.










Patents under this class:

Patent Number Title Of Patent Date Issued
4140187 Harrow support Feb. 20, 1979
4063596 Soil cultivating machines Dec. 20, 1977











 
 
  Recently Added Patents
Sink
Package for a medicinal product
Faucet handle
Method and CTDevice for computer tomographic spiral scanning of a patient
Fabrication of high gradient insulators by stack compression
Dynamic load profiling in a power network
Techniques for accessing a parallel database system via external programs using vertical and/or horizontal partitioning
  Randomly Featured Patents
Content list display method, content list display apparatus, content selecting and processing method, and content selecting and processing apparatus
Process for the production of reinforced rubber articles
Remote lens unit assembly of a laser doppler velocimeter
Waveform input circuit, waveform observation unit and semiconductor test apparatus
Bunk bed
Compositions and devices for controlled release of active ingredients
Method for producing powder metal materials
Multilayer article having stabilized zirconia outer layer and chemical barrier layer
Ink delivery system for liquid electrophotographic printer
Treatment of aqueous systems