LandOfFree - US Patents - Listing for Earth working

Earth working – Mast type hitch

Universal assembly for coupling towable agricultural implement t

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

Universal auxiliary implement mount

Earth working – Rolling – rotating or orbitally moving tool

Universal hub assembly

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

Universal hydraulic lift attachment for tractors

Earth working – Automatic power control – Land leveller type

Universal optical adapter for a three dimensional...

Earth working – Mast type hitch – Sway limiting means or swayable tool

Universal tractor hitch for preventing lateral movement of...

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Universally supported implement frame section

Earth working – Automatic power control – Obstruction sensing type

Unmanned vehicle for displacing manure

Earth working – Mast type hitch

Upper hitch link

Earth working – Automatic power control – Draft responsive

Upper hitch link electronic draft sensing

Earth working – Automatic power control – Draft responsive

Using a can bus engine torque/speed message as load feedback...

Earth working – Tool – standard or connection – Ridgers

V ditching machine

Earth working – Lawn edger

Variable angle powered work implement

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

Variable blade pitch adjustment mechanism

Earth working – With means to facilitate mounting of implement on motor vehicle

Variable orientation attachment implement

Earth working – With actuator – For relatively movable earth engaging parts

Variable speed plow with moldboard pivoting about a forward vert

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

Variable width plow system with shim means adjustment

Earth working – Alternating for right or left hand operation – Axially rotatable implement

Variable width two-way gang plow

Earth working – Lawn edger – With or convertible to non-earth working implement

Vegetation cutter with guide