LandOfFree - US Patents - Listing for Earth working

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

Adjustable garden tool

Earth working – With wheel substitute – Spaced parallel runners with tool mounted therebetween

Adjustable grader-spreader bar

Earth working – Mast type hitch – Laterally adjustable tool

Adjustable grass treatment apparatus

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

Adjustable grating attachment for grading soil

Earth working – Plural relatively movable tools – Plural tool groups relatively vertically movable because of...

Adjustable guide rig structure for an agricultural implement

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

Adjustable handle for portable tool

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

Adjustable handle for portable tool

Earth working – Lawn edger

Adjustable head edger

Earth working – Diverse tools – Rolling and non-rolling

Adjustable height soil conditioner with frame extending rearward

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

Adjustable length strut and tractor linkage

Earth working – Mast type hitch

Adjustable link assembly

Earth working – Mast type hitch

Adjustable link assembly

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

Adjustable moldboard for variable speed plowing

Earth working – With drive means for tool or cleaner – Vibrating tool

Adjustable mounting for subterranean tool

Earth working – Overload shifting – Against spring return device

Adjustable packer wheel seeding system and method

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Adjustable pattern cultivator

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

Adjustable pitch garden hoe tool

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

Adjustable pitch garden hoe tool

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

Adjustable pitch garden hoe tool