LandOfFree - US Patents - Listing for Earth working

Earth working – Scraper between front and rear ground supports of vehicle

Work vehicle and ring gear bearing arrangement therefor

Earth working – Mounting for pushed tool at end of motor vehicle – Transversely mounted blade

Work vehicle having variable curvature blade assembly

Earth working – Automatic power control

Work-vehicle with rolling-control mechanism

Earth working – Automatic power control

Working machine control device for construction machinery

Earth working – With drive means for tool or cleaner – Guided by walking attendant

Working machine having front-rotary working unit

Earth working – Mast type hitch

Working machine lifting device of tractor

Earth working – With drive means for tool or cleaner – With power take-off from tool drive to adjust tool

Working vehicle

Earth working – Automatic power control – Motive power control

Working vehicle

Earth working – With drive means for tool or cleaner – With power take-off from tool drive to adjust tool

Working vehicle

Earth working – Miscellaneous

Wrap around tool bar structure

Earth working – Rolling – rotating or orbitally moving tool – With spring means other than for detent

Yieldable disc blade assembly

Earth working – Tool – standard or connection – Frame-supported blade – scraper – or smoother drawn by vehicle

Zero turning radius earthworking implement

Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...

Zone tillage tool and method