LandOfFree - US Patents - Listing for Earth working

Earth working – Automatic power control – Land leveller type

Device for controlling height of blade of tracked vechicle

Earth working – Automatic power control – Land leveller type

Device for controlling height of blade of tracked vehicle

Earth working – Automatic power control – Draft responsive

Device for controlling the attitude of an implement drawn by an

Earth working – Mast type hitch

Device for controlling the position of a mountable implement...

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

Device for coupling implement to agricultural tractor

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

Device for coupling two units to each other

Earth working – With drive means for tool or cleaner – Tool driven about axis transverse to draft line

Device for crushing stubble

Earth working – Sod cutter – With means for vertical transverse cutting while moving

Device for cutting slits in a surface

Earth working – Mast type hitch – Including blade – scraper – or smoother

Device for dressing a lawn

Earth working – Automatic power control – Draft responsive

Device for electrohydraulically lifting agricultural implements

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

Device for embedding flexible elements of great length in the gr

Earth working – Lawn aerator or perforator – or plug remover – Earth removing

Device for extracting a plant from the ground

Earth working – Automatic power control – Draft responsive

Device for lifting implements carried on agricultural tractors

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

Device for lifting matted groundcover

Earth working – With drive means for tool or cleaner – Simultaneously reciprocating and oscillating blade having...

Device for loosening soil

Earth working – With drive means for tool or cleaner – Simultaneously reciprocating and oscillating blade having...

Device for loosening sub soil

Earth working – Rolling – rotating or orbitally moving tool – Detailed disk structure per se

Device for making sowing furrows in a lawn

Earth working – Automatic power control – Draft responsive

Device for regulating the tractive force in lower linkages of tr

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

Device for removing plants or the like from ground