Patents
US 11680566 B2: Rotary vane pump
- Granted
- 2023-06-20
- Filed
- 2020-09-21 application 17026803
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A rotary vane pump including a housing, and a motor. The motor includes a shaft which is coupled to a rotor. The rotor defines a plurality of slots. A plurality of free moving vanes are disposed within the slots. In one example, the rotor is formed from a first material and the plurality of vanes are formed from the first material and impregnated with a second material. The first material can be a carbon material. The second material can be a resin material, an antimony material, a copper material, or a silver material.
Source: PVGPATDIS, file of 2026-04-10 (ipg230620.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Pinnacle Climate Technologies, Inc. 16 patents | US company or organization | Eden Prairie, MN | PINNACLE CLIMATE TECHNOLOGIES, 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 |
|---|---|---|---|---|
| Sukru Erisgen | Eden Prairie, MN | 13 | PVGPATDIS, file of 2026-04-10 | |
| Chris Kwok | Eden Prairie, MN | 6 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F01C | Rotary-piston or oscillating-piston machines or engines | F01C21/04 | PVGPATDIS, file of 2026-04-10 |
| F04C | Rotary-piston, or oscillating-piston, positive-displacement machines for liquids ; rotary-piston, or oscillating-piston, positive-displacement pumps | F04C18/344 | PVGPATDIS, file of 2026-04-10 |
| F05C | Indexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines | F05C2203/0808 | 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 |
|---|---|---|---|---|---|
| 2023-05-10 | Assignment Assignment of assignor's interest | KWOK, CHRIS signed 2022-12-28 ERISGEN, SUKRU signed 2023-05-10 | PINNACLE CLIMATE TECHNOLOGIES, INC. EDEN PRAIRIE, MN | 63598/105 | 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.