Patents
US 7931473 B2: Multi-voltage pump with discreet voltage cords
- Granted
- 2011-04-26
- Filed
- 2009-03-03 application 12396892
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A device for interfacing power from an electrical supply having power terminals, that permits implementation of a wide range of power cord lengths and voltage connection combinations. The device includes a body having a cord side and an appliance side. The body has four or more terminals located on the cord side of the body, with one terminal being a ground terminal. At least one electrical connecting device is adapted to connect terminals. In a first configuration, the device is used at a lower voltage. In a second configuration, the device is used at a higher voltage.
Source: PVGPATDIS, file of 2026-04-10 (ipg110426.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 |
|---|---|---|---|---|
| William J. Watkins | Tipp City, OH | 5 | PVGPATDIS, file of 2026-04-10 | |
| Mark Kowalak | Troy, OH | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| H01R | Electrically-conductive connections; structural associations of a plurality of mutually-insulated electrical connecting elements; coupling devices; current collectors | H01R29/00 | PVGPATDIS, file of 2026-04-10 |
| Y10S | Technical subjects covered by former uspc cross-reference art collections [xracs] and digests | Y10S439/956 | 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 |
| 2009-03-03 | Assignment Assignment of assignor's interest | KOWALAK, MARK signed 2009-02-16 WATKINS, WILLIAM J. signed 2009-02-16 | CRANE PUMPS & SYSTEMS, INC. PIQUA, OH | 22337/955 | 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.