Patents
US 10874052 B2: Differential speed stalk rolls
- Granted
- 2020-12-29
- Filed
- 2019-02-19 application 16279982
- Type
- Utility · 24 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Differential speed stalk rolls mountable to a row unit of a row crop head. A first stalk roll body has an outer peripheral speed less than the outer peripheral speed of a second stalk roll body in lateral spaced relation. At least one of the first and second bodies includes a knife defining a knife plane normal to the axis of rotation of the first or second stalk roll. The stalk roll bodies may have modular and interchangeable body segments of different configurations.
Source: PVGPATDIS, file of 2026-04-10 (ipg201229.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Kingdom Ag Concepts, Inc. 2 patents | US company or organization | Bremen, IN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Rich Gramm | Bremen, IN | 1 | PVGPATDIS, file of 2026-04-10 | |
| Corbin Fehr | Morris, MN | 6 | PVGPATDIS, file of 2026-04-10 | |
| Austin Bitting | Warsaw, IN | 2 | PVGPATDIS, file of 2026-04-10 | |
| Robert Schlipf | Nappanee, IN | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| A01D | Harvesting; mowing | A01D45/025 | 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 |
|---|---|---|---|---|---|
| 2020-06-19 | Assignment Assignment of assignor's interest | BITTING, AUSTIN signed 2017-08-21 FEHR, CORBIN signed 2017-08-21 GRAMM, RICHARD signed 2017-08-21 SCHLIPF, ROBERT signed 2017-08-21 | KINGDOM AG CONCEPTS, INC. BREMEN, IN | 52989/645 | 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.