LandOfFree - US Patents - Listing for Earth working

Earth working – Rolling – rotating or orbitally moving tool

Packer wheel

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

Packer wheel construction

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

Pallet presenter for agricultural equipment

Earth working – With actuator adapted to lift tool for transport on wheeled...

Parallel cylinder lift structure for an implement

Earth working – Diverse tools – Rolling and non-rolling

Parallel link mounting arm for a furrow opener

Earth working – Tool forward of rear of motor vehicle – Parallelogram type lift

Parallelogram boom devices for mounting agricultural implements

Earth working – With actuator adapted to lift tool for transport on wheeled... – Plural tools – independently actuatable

Partial width seeding attachment

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

Particulate material spreader with selectively detachable three-

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

Pendulum action cultivating hoe

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

Pendulum type hoe

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

Penetrating machine

Earth working – Tool – standard or connection – Spring biased or formed tool or tool part

Penetrator bar for vertical tillage equipment

Earth working – Overload shifting – Against spring return device

Pitch adjustment for a tillage shank assembly

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

Pitch control system

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

Pitch/tilt dozer

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

Pivot ball assembly

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

Pivot mechanism for sod cutting machine

Earth working – Scraper supports narrow depending tool

Pivotal blade spikes for tractors

Earth working – Rolling – rotating or orbitally moving tool – With spring means other than for detent

Pivotal disc gang section