LandOfFree - US Patents - Listing for Earth working

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

Walk aerator with inboard wheels

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

Walk behind apparatus for operating working attachments

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

Walk-behind agricultural working machine

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

Walk-behind cultivator

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

Walk-behind electric cultivating machine

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

Walk-behind electric working machine

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

Walk-behind filler with combined drag stake and wheel

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

Walk-behind landscape edger/trencher

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

Walk-behind tiller

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

Walk-behind tiller and handle mounting therefor

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

Walk-behind working machine

Earth working – Plural wheeled implements – Outrigged implement adjustable inwardly

Walking beam retainer

Earth working – Automatic power control

Walking operator type cultivator with automatic control stopper

Earth working – Guided by walking attendant; supported – propelled – or held... – With attendant attaching means

Walking type agricultural implement with harness

Earth working – Guided by walking attendant; supported – propelled – or held... – With attendant attaching means

Walking type agricultural implement with harness

Earth working – Lawn aerator or perforator – or plug remover

Water jet weeder, cultivator, root waterer, and aerator

Earth working – Diverse tools – With independent means for vertical movement

Water stop attachment and border disc

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

Wavy coulter

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

Wavy disc and coulter with notches