Lifting device and methods for pulling up overturned vehicles and other structures
US11111111B2 · kind B2 · utility
1Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Nov 22, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C1/66
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Lifting devices include a tube with a first slot and a second slot. The devices also include an insert with a first insert projection connected to a second insert projection by a central portion. The first insert projection extends through the first slot and the second insert projection extends through the second slot. A first plate and a second plate are each connected to the central portion of the insert. Additionally provided are methods of lifting a tanker truck or other structures using the disclosed lifting devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.