LandOfFree - US Patents - Listing for Earth working

Earth working – With ground support vertically adjustable relative to frame

Ground scraper

Earth working – With means for shifting surface material without soil...

Ground surface debris collection mat

Earth working – With means for shifting surface material without soil...

Ground surface debris collection mat

Earth working – Diverse tools – Rolling and non-rolling

Ground surface treatment apparatus

Earth working – With drive means for tool or cleaner – Driven from rolling or driven ground wheel

Ground tilling apparatus

Earth working – With drive means for tool or cleaner – Attendant supported tool

Ground tilling device

Earth working – With actuator adapted to lift tool for transport on wheeled... – Single lift actuator for plural relatively movable tools

Ground track obliterating device

Earth working – Lawn aerator or perforator – or plug remover

Ground treatment apparatus

Earth working – Rolling – rotating or orbitally moving tool – Plural disks with individual mount or axis

Ground wheel and plowing implement connected thereto for filling

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

Ground working apparatus with tools to draw the apparatus forwar

Earth working – With drive means for tool or cleaner – Tool driven about generally vertical axis

Ground working device for powered hand-held rotary devices

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

Ground working implement

Earth working – Diverse tools – Three or more diverse implements following same path

Ground working implement

Earth working – Convertible; or changeable by disassembly or assembly – To different type of hitch

Ground working implement

Earth working – Tool – standard or connection – Removable tool portion

Ground working implement including a shank and a tip

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

Ground working implement wherein forward frame portion raised be

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

Ground working machine for hoeing, tilling and the like

Earth working – Tool – standard or connection – Non-rectangular – symmetrical type

Ground working sweep

Earth working – Automatic power control

Ground-clearing and mound-building scarifier