LandOfFree - US Patents - Listing for Earth working

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

Earth clod pulverizer

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

Earth clod pulverizer

Earth working – With actuator adapted to lift tool for transport on wheeled... – Servo-motor forces tool down

Earth compacting apparatus and method

Earth working – With actuator adapted to lift tool for transport on wheeled... – Tool spring biased during operation

Earth crust breaker

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

Earth engaging implements

Earth working – Diverse tools – Second implement follows path of first

Earth grooming device

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

Earth leveling excavator

Earth working – With separating after earth working

Earth mover and attached vibratory screen

Earth working – Automatic power control – Land leveller type

Earth mover blade stabilizing apparatus

Earth working – Diverse tools – Tools usable alternately only

Earth moving apparatus

Earth working – With ground support vertically adjustable relative to frame – Power operated adjustment

Earth moving implement with adjustable wheel assembly

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

Earth moving machine of the scraping blade type

Earth working – Diverse tools – Second implement follows path of first

Earth moving scraper

Earth working – Automatic power control – Land leveller type

Earth scraper and ground support therefor

Earth working – Towed scraper with ground support wheels

Earth scraper attachment for a tractor or the like

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

Earth scraper for use with a small tractor

Earth working – Towed scraper with ground support wheels

Earth scraper with track apparatus

Earth working – Lawn edger

Earth splitter

Earth working – Diverse tools – With interconnected vertical adjustment

Earth working apparatus