LandOfFree - US Patents - Listing for Earth working

Earth working – Miscellaneous

Boom with energy absorbing vibration damper

Earth working – Automatic power control – Land leveller type

Bottom cultivating machine and field cultivating machine for for

Earth working – Diverse tools – Second implement follows path of first

Bottom plow and a soil breaking apparatus

Earth working – Scraper between front and rear ground supports of vehicle – Push frame for scrapers

Box scraper assembly

Earth working – Diverse tools – Second implement follows path of first

Box scraper with plural blades

Earth working – With ground support vertically adjustable relative to frame – Translating motion

Bracket connection for backhoe and skip loader

Earth working – With wheel; or supported on wheel frame or broadly claimed... – With bracket to hold tool off ground

Bracket for attachment of a ground working tool on a tool bar

Earth working – With earth marker

Breakaway for field marker on agricultural implement

Earth working – With earth marker

Breakaway for field marker on agricultural implement

Earth working – With earth marker

Breakaway mechanism for a row marker

Earth working – Having tool overload shift controlled by a fluid pressure...

Breathing for single acting hydraulic cylinders

Earth working – Diverse tools – Rolling and non-rolling

Bridge hitch type frame

Earth working – Fabric or flexible tool

Brush attachment

Earth working – With means for shifting surface material without soil... – Driven shifting means

Brushing apparatus

Earth working – Tool – standard or connection – Spring biased or formed tool or tool part

Bubba drag improvements

Earth working – With ground support vertically adjustable relative to frame – Translating motion

Bucket attachment for tractors

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

Bulldozer

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

Bulldozer assembly with angle, tilt and pitch control

Earth working – Processes

Bulldozer assembly with locking pin and method