Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Construction
Class Information
Number: 172/425
Name: Earth working > With ground support vertically adjustable relative to frame > With actuator > Gearing
Description: Apparatus in which the actuator comprises gearing.










Sub-classes under this class:

Class Number Class Name Patents
172/428 Rack and pinion or ratchet type 0
172/427 Screw jack type 13
172/426 Worm gear 0


Patents under this class:

Patent Number Title Of Patent Date Issued
6883616 Walk-behind landscape edger/trencher Apr. 26, 2005
5579850 Cultivating system and cultivating machine with plow-depth control function Dec. 3, 1996
4373456 Agricultural furrow forming apparatus depth control Feb. 15, 1983











 
 
  Recently Added Patents
Method and apparatus for communication channel error rate estimation
Data-conditioned encryption method
ESD protection circuit and ESD protection device thereof
Retrievable outgoing audio messaging
Account and customer creation in an on-line banking model
Transitional replacement of operations performed by a central hub
In-store marketing sign
  Randomly Featured Patents
Geographic and keyword context in embedded applications
Method for evaluating and modifying biological activity
Audio speaker system
Nail polish bottle holder
Travelers check dispensing machine
Mixture preparation for engine-independent heaters
Cellular phone
Dry lamellar-structure pet food product
Steering equipment for vehicles
Drill insert geometry having V-notched web