Resources Contact Us Home
Browse by Category: Main > Construction
Class Information
Number: 172/214
Name: Earth working > Alternating for right or left hand operation (other than scraper) > Tools oriented for movement in opposite directions > Wheeled frame with reversible draft member
Description: Apparatus in which the earth working elements are carried by a wheeled frame having a draft member shiftable from one end of the frame to the opposite end through substantially 180° to draw the device in either direction.

Patents under this class:

Patent Number Title Of Patent Date Issued
5609214 Agricultural machine Mar. 11, 1997
4068722 Manure crushing and earth mixing rotary machine Jan. 17, 1978

  Recently Added Patents
Particles with high surface charge for crystalline colloidal arrays
Method for forming pattern
Compositions and methods for lowering triglycerides in a subject on concomitant statin therapy
High-density fiber optic modules and module housings and related equipment
DFPase enzymes from Aplysia californica
Hand sign
Image capturing apparatus, control method thereof, and program
  Randomly Featured Patents
Probes for detection of human papillomavirus
Push-pull control cable
Boat lift
Shaped magnetoresistive readers
Card payment method and card payment system for door-to-door delivery
Plumbing fixture base
Distributed-client change-detection tool with change-detection augmented by multiple clients
Dielectric paste for spacer layer of a multi-layered ceramic electronic component
System having controlled power supply for prohibiting the power on switch from being turned on and accessing memory when supply voltage falls below second predetermined voltage