LandOfFree - US Patents - Listing for Earth working

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

Three-point hitch adapter

Earth working – Mast type hitch – Laterally adjustable tool

Three-point hitch assembly

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

Three-point hitch attached grader with adjustable blades

Earth working – Draft – pitch or ground level responsive depth control

Three-point hitch draft control

Earth working – Mast type hitch

Three-point hitch for a tractor

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

Three-point hitch for an all terrain vehicle

Earth working – Mast type hitch – Tool movable relative to mast while earth working

Three-point hitch for utility vehicle

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

Three-point hitch guidance control

Earth working – Automatic power control – Draft responsive

Three-point hitch having flotation

Earth working – Mast type hitch

Three-point implement mounting for an agricultural or...

Earth working – Mast type hitch – Struts on trailer or between implement parts

Tillage and planter carrier

Earth working – With drive means for tool or cleaner – Plural driven tools

Tillage apparatus and improved blade therefor

Earth working – Plural wheeled implements

Tillage apparatus having flexible frame and weight...

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

Tillage apparatus having improved cutting and drive structure

Earth working – Diverse tools – With independent means for vertical movement

Tillage apparatus with independent depth adjustment

Earth working – Rolling – rotating or orbitally moving tool – Detachable rim for disk

Tillage discs

Earth working – With drive means for tool or cleaner – With non-driven tool

Tillage implement

Earth working – With drive means for tool or cleaner – With cleaner or comminutor spaced from ground surface

Tillage implement

Earth working – Diverse tools – Rolling and non-rolling

Tillage implement and improved gang assembly therefor