LandOfFree - US Patents - Listing for Earth working

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

Electric garden tiller

Earth working – With drive means for tool or cleaner – Attendant supported tool

Electric tilling machine

Earth working – Lawn edger – Rolling or driven cutter

Electrical appliance and handle for same

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

Electrical trigger for quick drop valve

Earth working – Automatic power control – Land leveller type

Electrically operated hydraulic power lift system

Earth working – Driven from or guided by stationary object – or anchored – Rotatable about vertical axis

Electrically powered earth corer

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

Electro-mechanical power angle snow plow

Earth working – Automatic power control – Draft responsive

Electrohydraulic control device for use in agricultural machines

Earth working – Draft – pitch or ground level responsive depth control

Electrohydraulic control of implement lift cylinders

Earth working – Automatic power control – Constant depth type

Electrohydraulic control system for implement lift cylinders

Earth working – Automatic power control – Draft responsive

Electronic control system for a work implement

Earth working – Automatic power control – Land leveller type

Electronic depth control system

Earth working – With ground support vertically adjustable relative to frame

Elevating system for farm implements

Earth working – With actuator adapted to lift tool for transport on wheeled... – Translatable tool

Elevation altering structure for agricultural implements

Earth working – With drive means for tool or cleaner – With non-driven tool

End drive rotary cultivator

Earth working – With ground support engageable with ground for transport only

Endwise transport structure for drills

Earth working – With actuator adapted to lift tool for transport on wheeled... – Lift actuator moves with tool or forms removable unit therewith

Energy storage ripping device

Earth working – Propulsion unit guided by walking attendant or part of... – Riding attendant

Engine driven garden plow for breaking up soil with levers for a

Earth working – Automatic power control – Draft responsive

Engine-sensing draft control system with multiple feedback compe