Crane safety device and methods
US6549139B2 · kind B2 · utility
24Cited by
47References
102Claims
0Family size
Inventor
Key dates
| Filing date | Aug 26, 1999 |
| Grant date | Apr 15, 2003 |
| Priority date | — |
| Expiry date | Aug 26, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C15/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved crane warning system which includes acceleration sensors, motion sensors, hydraulic sensors, remote communications and/or a camera. The crane warning system may include a crane warning device integrated into the ball of the crane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.