Patents

US 9382689 B2: Stump destruction apparatus

Granted
2016-07-05
Filed
2012-08-01 application 13564425
Type
Utility · 9 claims
Elsewhere
Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗

Abstract

The present disclosure provides an apparatus comprising a frame supporting a motor and a gearbox, and a bit assembly, the bit assembly comprising a shaft, having a first end and a second end, wherein the first end is attached to the gearbox via a gearbox output flange, a main bit assembly further comprising an upper cutting blade and a lower cutting blade attached to the shaft, wherein the lower cutting blade is located closer to the second end of the shaft than the upper cutting blade, an adjustable depth cutting guide attached to a bottom portion of the upper cutting blade, and a lateral cutting blade attached at the far end of the upper cutting blade and a guide bit assembly wherein the apparatus is attachable to a self-propelled vehicle.

Source: PVGPATDIS, file of 2026-04-10 (ipg160705.xml).

Assignees

AssigneeTypePlaceAlso on furp.orgSource
Neway Development, Inc. 1 patentsUS company or organizationBeatrice, ALPVGPATDIS, file of 2026-04-10

Inventors

InventorPlacePatentsPerson pageSource
Richard T. ChapmanBeatrice, AL1PVGPATDIS, file of 2026-04-10
John B. NewtonBeatrice, AL1PVGPATDIS, file of 2026-04-10
Ronald D. Evers, Jr.Beatrice, AL1PVGPATDIS, file of 2026-04-10

CPC categories

SubclassCategoryFirst groupSource
A01GHorticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops or seaweed; forestry; wateringA01G23/067PVGPATDIS, file of 2026-04-10
B02CCrushing, pulverising, or disintegrating in general; milling grainB02C18/18PVGPATDIS, file of 2026-04-10
E02FDredging; soil-shiftingE02F3/96PVGPATDIS, file of 2026-04-10

Cooperative Patent Classification, as currently assigned (one row per subclass).

Assignments and security interests

RecordedWhatFromToReel/frameSource
2012-10-10Assignment
Assignment of assignor's interest
CHAPMAN, RICHARD T. signed 2011-09-05
EVERS, RONALD D., JR. signed 2011-09-05
NEWTON, JOHN B. signed 2011-09-05
STUMPCAT, INC. BEATRICE, AL29102/795ECORSEXC, file of 2026-09-25

Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.

USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.