Patents
US 8881910 B2: Sorting system and method
- Granted
- 2014-11-11
- Filed
- 2012-02-09 application 13369560
- Type
- Utility · 10 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A system for sorting has an inlet end, a first separation section disposed downstream of the inlet end and including a fluidizing section and a hood disposed above the fluidizing section, a negative pressure developed adjacent the fluidizing section to draw a first class of materials into the hood, a second separation section disposed downstream of the first separation section and including an air knife and a dropout, a second class of materials passing through the air knife and into the dropout and a third class of materials passing over the dropout and through an outlet end, and a vibration generator coupled to the first separation section and the second separation section to convey material from the inlet end to the outlet end.
Source: PVGPATDIS, file of 2026-04-10 (ipg141111.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| General Kinematics Corporation 32 patents | US company or organization | Crystal Lake, IL | GENERAL KINEMATICS CORPORATION State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| William G. Guptail | Huntley, IL | 4 | PVGPATDIS, file of 2026-04-10 | |
| Richard H. Reeves | Palatine, IL | 1 | PVGPATDIS, file of 2026-04-10 | |
| Steve C. Wiechmann | Sleepy Hollow, IL | 6 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B07B | Separating solids from solids by sieving, screening, sifting or by using gas currents; separating by other dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material | B07B4/02 | 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 |
|---|---|---|---|---|---|
| 2014-10-08 | Assignment Assignment of assignor's interest | GUPTAIL, WILLIAM G signed 2011-07-18 REEVES, RICHARD H signed 2011-07-18 WIECHMANN, STEVE C signed 2011-07-18 | GENERAL KINEMATICS CORPORATION CRYSTAL LAKE, IL | 33913/890 | 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.