LandOfFree - US Patents - Listing for Earth working

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

Weeding auger with U-shaped blade

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

Weeding device

Earth working – Diverse tools – Including spring formed tool or standard

Weeding rod unit for plows

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

Weeding tool

Earth working – Guided by walking attendant; supported – propelled – or held... – With attendant attaching means

Weeding tool for mounting on fingers of user's hand

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

Weedwinder

Earth working – Mast type hitch – With auxiliary vertical adjustment

Weight transfer linkage arrangement

Earth working – With actuator on trailing ground supported frame for moving... – Vertically

Weight transfer system for an agricultural machine

Earth working – Mast type hitch – Angled gangs liftable as a unit

Weight transfer unit

Earth working – Diverse tools – Including colter

Wetlands terracing plow and remediation method utlizing same

Earth working – With wheel; or supported on wheel frame or broadly claimed...

Wheel arm assembly interchangeable between walking beam and stra

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

Wheel assembly for a compacting machine

Earth working – With ground support vertically adjustable relative to frame

Wheel blocking for an implement for ground treatment

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Wheel control structure for a folding implement

Earth working – Axis of rotation of wheel lockable or angularly adjustable – With actuator for tilting in a vertical plane

Wheel mounted earth moving scraper with pivot in center of pivot

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

Wheel mounting for cultivator planter

Earth working – Propulsion unit guided by walking attendant or part of... – With vertically adjustable wheel

Wheel mounting/height adjustment mechanism for a power...

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

Wheel rut closing device for irrigation system

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

Wheel supported implement for working and grading soil