Lifting elements for crane mats
US9617693B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2016 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Dec 13, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C2201/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An industrial mat having a supporting structure; an upper layer provided above the supporting structure for forming an upper surface of the mat, a lower layer provided below the supporting structure for providing a lower surface of the mat; and lifting elements attached to the upper layer, the lower layer or the supporting structure. The lifting elements include D-shaped members, O-shaped members, U-shaped members, eyelets, hooks, circular or polygonal rings, chains, or cables that are configured and dimensioned for attachment to attached to the supporting structure or the upper or lower layer with sufficient strength to provide certified overhead lifting of the mat for installation and reclamation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.