LandOfFree - US Patents - Listing for Earth working

Earth working – Rolling – rotating or orbitally moving tool – Plural groups of disks

Offset harrow

Earth working – With draft detail – Adjustable

Offset hitch

Earth working – With actuator adapted to lift tool for transport on wheeled... – Angled gangs lifted as a unit

Offset/tandom disc-type tillage implement

Earth working – Automatic power control – Land leveller type

Oil-pneumatic load control device

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

Oil-pressure controlling device for earthmoving machine

Earth working – With wheel steering or actuator for horizontally angling... – Wheel on trailing implement responds to turning movement

On-land plow assembly with a plurality of adjustable plow units

Earth working – Guided by walking attendant; supported – propelled – or held... – Hand tool

One shot shovel

Earth working – Diverse tools – Laterally spaced like tools with intermediate diverse tool

One-pass complete tillage system

Earth working – Diverse tools – Rolling and non-rolling

One-pass complete tillage system

Earth working – Diverse tools – Rolling and non-rolling

One-pass complete tillage system

Earth working – Diverse tools – Three or more diverse implements following same path

One-pass primary tillage machine

Earth working – Diverse tools – Three or more diverse implements following same path

One-pass tillage implement and method for improving crop...

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Operable coulter frame for farm implements

Earth working – Scraper between front and rear ground supports of vehicle – Spring biased into ground contact

Operating and shock cylinder assembly for vehicle underbody scra

Earth working – Tool – standard or connection – Adjustable

Operating position adjustment levers for cultivator tools

Operator actuated electro-mechanical drag mat lift assembly

Earth working – Combined

Earth working – Automatic power control

Operator interface for vehicle control system with slip regulati

Earth working – With actuator adapted to lift tool for transport on wheeled... – Pivotable about longitudinal axis

Orientable ripper

Earth working – With earth marker – Multiple interconnected markers

Oscillating device for grain drills