Patents
US 11845088 B2: Classifying apparatus, systems and methods
- Granted
- 2023-12-19
- Filed
- 2021-06-24 application 17304680
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Hydrocyclones and related apparatus, systems and methods are disclosed for classifying aggregate material. Some embodiments include an inlet head with a spiral inlet having a height and width that vary along the direction of travel of material in the inlet head. Plants incorporating hydrocyclones are disclosed for classifying aggregate material. Some plant embodiments include an overflow container having a weir.
Source: PVGPATDIS, file of 2026-04-10 (ipg231219.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Superior Industries, Inc. 76 patents | US company or organization | Morris, MN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Lafe Grimm | Hancock, MN | 27 | PVGPATDIS, file of 2026-04-10 | |
| Shane Hanson | Columbus, NE | 8 | PVGPATDIS, file of 2026-04-10 | |
| Paul Ilott | Tyler, TX | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B03B | Separating solid materials using liquids or using pneumatic tables or jigs | B03B5/34 | PVGPATDIS, file of 2026-04-10 |
| B01D | Separation | B01D21/267 | PVGPATDIS, file of 2026-04-10 |
| B04C | Apparatus using free vortex flow, e.g. cyclones | B04C5/04 | 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 |
|---|---|---|---|---|---|
| 2021-07-08 | Assignment Assignment of assignor's interest | GRIMM, LAFE signed 2016-07-21 HANSON, SHANE signed 2016-07-21 ILOTT, PAUL signed 2016-07-21 | SUPERIOR INDUSTRIES, INC. MORRIS, MN | 56789/939 | 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.