Patents
US 8500412 B2: Alarm system for a sump pump assembly
- Granted
- 2013-08-06
- Filed
- 2009-10-08 application 12576214
- Type
- Utility · 27 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An alarm system is provided for generating an alert when a water-powered sump pump is activated and water is being used by the water-powered sump pump. The alarm system includes a water sensor for detecting if water within a sump reaches the sensor and a housing for containing sensor electronics, wherein the water sensor is supported by the housing. In addition, a clamp is attached to the housing for releasably attaching the housing to a pipe such that the alarm system may be positioned to alert a user when water-powered sump pump is activated.
Source: PVGPATDIS, file of 2026-04-10 (ipg130806.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Liberty Pumps, Inc. 23 patents | US company or organization | Bergen, NY | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| David M. Williams | Pavilion, NY | 20 | PVGPATDIS, file of 2026-04-10 | |
| Jeffrey D. Goodenbery | North Chili, NY | 1 | PVGPATDIS, file of 2026-04-10 | |
| Randall Waldron | Rochester, NY | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F04B | Positive-displacement machines for liquids; pumps | F04B49/02 | PVGPATDIS, file of 2026-04-10 |
| F04D | Non-positive-displacement pumps | F04D13/08 | 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 |
|---|---|---|---|---|---|
| 2009-11-03 | Assignment Assignment of assignor's interest | GOODENBERY, JEFFREY D signed 2009-10-15 WALDRON, RANDALL D signed 2009-10-15 WILLIAMS, DAVID M signed 2009-10-15 | LIBERTY PUMPS, INC. BERGEN, NY | 23459/973 | 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.