Articulated heliport pad
US4834321A · kind A · utility
35Cited by
11References
18Claims
0Family size
Inventor
Key dates
| Filing date | Mar 9, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Mar 9, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64F1/125
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An articulated heliport pad in which the pilot controls the rotation of a central disk for last minute changes in wind direction as well as the operation of a unique hold-down device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.