Engine-driven work machine
US7198245B2 · kind B2 · utility
7Cited by
6References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2004 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Oct 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/22
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine-driven work machine is attached to a pipe frame, and has a structure suitable for lifting. The engine-driven work machine has a transportable constitution attached to the pipe frame, and includes a collapsible sling fitting that is rotatably connected to the pipe frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.