LandOfFree - US Patents - Listing for Earth working

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

Apparatus and method for automatically adjusting the pitch of a

Earth working – Automatic power control – Draft responsive

Apparatus and method for controlling a contruction machine

Earth working – Automatic power control – Motive power control

Apparatus and method for controlling the efficiency of the...

Earth working – Automatic power control

Apparatus and method for controlling the position of an arm...

Earth working – Automatic power control

Apparatus and method for controlling the position of an arm...

Earth working – Scraper between front and rear ground supports of vehicle – Specific actuator between frame and scraper

Apparatus and method for coupling a blade assembly to a vehicle

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

Apparatus and method for destroying wet/dry aeration cores

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

Apparatus and method for mulching and cultivating...

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

Apparatus and method for preparing agricultural ground for...

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

Apparatus and method for removal of surface debris from crop row

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

Apparatus and method for retaining a grader blade

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

Apparatus and method for the stacking of cut grass sods

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

Apparatus and method for tilling soil

Earth working – With means to facilitate mounting of implement on motor vehicle – Implement has ground support

Apparatus and method for using an implement transport assembly

Earth working – Mast type hitch

Apparatus facilitating connection of trailer implement to tracto

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

Apparatus for a roto-shearing tiller

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

Apparatus for adjusting between crawler tracks of a working vehi

Earth working – Lawn aerator or perforator – or plug remover

Apparatus for aerating a ground layer

Earth working – Tool – standard or connection – Specific standard and beam connection

Apparatus for attaching a ground-engaging tool to an...