Patents
US 10294944 B2: Flow thru mechanical blood pump bearings
- Granted
- 2019-05-21
- Filed
- 2013-03-08 application 13790239
- Type
- Utility · 23 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A flow thru mechanical bearing system can be used in an implantable rotary blood pump that includes a pump housing. An impeller housed in the pump housing can be radially supported by a row of at least three low friction contact points located on an inside bore of the impeller. The impeller may be axially supported by a second mechanical bearing. The second mechanical bearing may provide at least three axial contact points on the top surfaces of the impeller. The impeller is driven by a magnetic coupling which functions mainly to transmit torque to the impeller. Further, in some cases, the magnetic coupling may restrain axial motion of the impeller.
Source: PVGPATDIS, file of 2026-04-10 (ipg190521.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| EVERHEART SYSTEMS INC. 14 patents | US company or organization | Webster, TX | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Greg S. Aber | Houston, TX | 18 | PVGPATDIS, file of 2026-04-10 | |
| Allan S. Rhoades | Fort Worth, TX | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F04D | Non-positive-displacement pumps | F04D13/06 | PVGPATDIS, file of 2026-04-10 |
| A61M | Devices for introducing media into, or onto, the body ; devices for transducing body media or for taking media from the body ; devices for producing or ending sleep or stupor | A61M60/178 | 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 |
|---|---|---|---|---|---|
| 2020-07-30 | Name change Change of name | EVERHEART SYSTEMS INC. signed 2020-07-09 | CORVION, INC. WEBSTER, TX | 53366/297 | ECORSEXC, file of 2026-09-25 |
| 2013-08-14 | Assignment Assignment of assignor's interest | ABER, GREG S. signed 2013-03-07 RHOADES, ALLAN S. signed 2013-03-07 | EVERHEART SYSTEMS INC. WEBSTER, TX | 31012/69 | ECORSEXC, file of 2026-09-25 |
| 2013-03-08 | Assignment Assignment of assignor's interest | ABER, GREG S. signed 2013-03-07 RHOADES, ALLAN S. signed 2013-03-07 | EVERHEART SYSTEMS INC. WEBSTER, TX | 29950/834 | 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.