Patents
US 8215014 B2: Method for making a stator
- Granted
- 2012-07-10
- Filed
- 2007-10-31 application 11931372
- Type
- Utility · 16 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A method for making a stator assembly including the steps of providing a generally cylindrical stator casing, hydroforming the stator casing into a generally helical shape, and positioning a stator liner having a generally helical shape inside the stator casing.
Source: PVGPATDIS, file of 2026-04-10 (ipg120710.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| MOYNO, INC. 8 patents | US company or organization | Springfield, OH | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael Duane Amburgey | London, OH | 6 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F04C | Rotary-piston, or oscillating-piston, positive-displacement machines for liquids ; rotary-piston, or oscillating-piston, positive-displacement pumps | F04C2/1075 | PVGPATDIS, file of 2026-04-10 |
| F01C | Rotary-piston or oscillating-piston machines or engines | F01C5/04 | PVGPATDIS, file of 2026-04-10 |
| Y10T | Technical subjects covered by former us classification | Y10T29/49236 | 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 |
|---|---|---|---|---|---|
| 2008-01-16 | Assignment Assignment of assignor's interest | AMBURGEY, MICHAEL D. signed 2008-01-10 | MOYNO, INC. SPRINGFIELD, OH | 20373/532 | 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.