Patents
US 8128360 B2: Vortex pump with splitter blade impeller
- Granted
- 2012-03-06
- Filed
- 2008-11-12 application 12269416
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A vortex pump impeller utilizes primary blades in combination with splitter blades. An increase in total head is observed through exemplary impellers in a vortex pump, compared to an impeller lacking the splitter blades. Single stage and dual stage pumps utilizing the exemplary impellers are also disclosed. Exemplary pumps may also contain a grinder assembly.
Source: PVGPATDIS, file of 2026-04-10 (ipg120306.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Crane Pumps & Systems, Inc. 7 patents | US company or organization | Piqua, OH | CRANE PUMPS & SYSTEMS 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 |
|---|---|---|---|---|
| Daniel L. Sensel | Troy, OH | 1 | PVGPATDIS, file of 2026-04-10 | |
| Mark Kowalak | Troy, OH | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F04D | Non-positive-displacement pumps | F04D29/2244 | 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 |
|---|---|---|---|---|---|
| 2022-01-10 | Assignment Assignment of assignor's interest | CRANE PUMPS & SYSTEMS, INC. signed 2021-12-15 | CRANE PUMPS & SYSTEMS PFT CORP. PIQUA, OH | 58610/577 | ECORSEXC, file of 2026-09-25 |
| 2012-03-06 | Assignment Assignment of assignor's interest | KOWALAK, MARK signed 2012-03-05 SENSEL, DANIEL L. signed 2012-03-05 | CRANE PUMPS & SYSTEMS, INC PIQUA, OH | 27815/1 | 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.