LandOfFree - US Patents - Listing for Earth working

Earth working – Overload shifting – Against spring return device

Tool shank mounting assembly

Earth working – Overload shifting – Against spring return device

Tool support

Earth working – Tool – standard or connection – With add-on cutting or wearing element applied directly...

Tool which uses soil as wearing edge

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

Tool with rotatable handle grip

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

Tool with rotatable handle grip

Earth working – Processes

Tool, tool assembly, and methods

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Toolbar folding wing lock

Earth working – Mast type hitch – With tool frame or bar extending beyond sides of vehicle

Toolbar mounting structure providing tool adjustment in the hitc

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

Toolbar wing lift control

Earth working – Miscellaneous

Toolbar with wings foldable substantially 180 degrees

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

Tools and methods for retrieving buried coins and other...

Earth working – Lawn edger

Tools and methods to trim excess vegetation from growing plants

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Tooth arrangement in rearwardly folding cultivators

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

Tooth for a roto tiller

Earth working – Tool – standard or connection – Subsoilers

Tooth point for earth working

Earth working – Automatic power control – Draft responsive

Torsion bar draft load limit and preload adjuster

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Tow frame

Earth working – Towed scraper with ground support wheels

Towable box grader with electronically controlled...

Earth working – Towed scraper with ground support wheels

Towable earth working apparatus having adjustable wheel height