Patents
US 11259472 B2: Various improvements to stump cutting tool discs
- Granted
- 2022-03-01
- Filed
- 2018-07-16 application 16036406
- Type
- Utility · 13 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A rotating disc assembly for use on a stump grinder that can include: a rotating disc member having a peripheral edge and defining a central axis and a radial direction; a bit securing sub-assembly comprising a bit holder member mechanically connected to the rotating disc member and having a first portion extending in a first direction, and a second portion extending from said first portion along a second direction that is not parallel to said first direction; a bit mechanically connected to the bit holder member by a fastening hardware; and a first portion of the peripheral edge extending a further distance in the radial direction than a second portion of the peripheral edge; wherein the bit and the bit securing sub-assembly are sized, shaped, located and/or connected so that the first bit is at least partially shielded by a footprint of the first portion of the peripheral edge.
Source: PVGPATDIS, file of 2026-04-10 (ipg220301.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 |
|---|---|---|---|---|---|
| 2018-07-16 | Assignment Assignment of assignor's interest | JORDAN, BRUCE C. signed 2014-07-28 LEONARDI, JOSEPH A. signed 2014-07-28 | LEONARDI MANUFACTURING CO. INC. WEEDSPORT, NY | 46361/558 | 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.