Wireless freeze sensor and alert system
US6987457B2 · kind B2 · utility
10Cited by
8References
19Claims
0Family size
Inventors
Key dates
| Filing date | May 27, 2004 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jul 28, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/182
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A freeze detection device that sends a wireless freeze-alert signal when a water freeze condition is detected. The device allows ready installation in areas where traditional freeze detection equipment would require significant effort and expense. The device provides freeze-detecting functionality with very small power consumption, allowing long lasting sensing capability and low maintenance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.