Patents
US 8672001 B2: Tooth assembly and cutting bits for stump grinder
- Granted
- 2014-03-18
- Filed
- 2009-08-19 application 12544146
- Type
- Utility · 9 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A stump grinding wheel tooth assembly having a mounting block positioned around the periphery of the wheel and a cutting bit attached to the mounting block by a pin passing through a hole in the cutting bit and a corresponding hole in the mounting block and capped by a nut. The mounting block may support multiple cutting bits arranged into a predetermined patterns based on the location of the holes, such as pairs of cutting bits or even a quad formation. The cutting bits may be provided in various geometric configurations, such as round, triangular, square, rectangular, pentagonal, hexagonal, octagonal or decagonal.
Source: PVGPATDIS, file of 2026-04-10 (ipg140318.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Leonardi Manufacturing Co., Inc. 16 patents | US company or organization | Weedsport, NY | LEONARDI MANUFACTURING CO., INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Joseph A. Leonardi | Auburn, NY | 16 | PVGPATDIS, file of 2026-04-10 | |
| Bruce C. Jordan | Auburn, NY | 16 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A01G | Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops or seaweed; forestry; watering | A01G23/067 | PVGPATDIS, file of 2026-04-10 |
| B02C | Crushing, pulverising, or disintegrating in general; milling grain | B02C7/12 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2009-10-09 | Assignment Assignment of assignor's interest | JORDAN, BRUCE C. signed 2009-10-09 LEONARDI, JOSEPH A. signed 2009-10-09 | LEONARDI MANUFACTURING CO. INC. WEEDSPORT, NY | 23352/530 | ECORSEXC, 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.