| Patents for E01F 3 - Landing stages for helicopters, e.g. located above buildings (124) | |
|---|---|
| 04/1995 | |
| 04/19/1995 | EP0648898A1 Airfield, in particular for helicopters |
| 10/1994 | |
| 10/04/1994 | US5351915 Helicopter deck |
| 08/1994 | |
| 08/04/1994 | WO1994016946A1 Means in water supply to a fire extinguishing installation on a helideck |
| 07/1993 | |
| 07/25/1993 | CA2087934A1 Helicopter deck |
| 04/1992 | |
| 04/14/1992 | CA1298825C Fire resistant helicopter deck |
| 04/08/1992 | EP0345288B1 Fire retardant helicopter deck |
| 09/1991 | |
| 09/12/1991 | DE4006962A1 Helicopter take=off and landing surface - comprises supporting grid surface mounted on roof of building |
| 12/1990 | |
| 12/04/1990 | US4974795 Landing, parking and take-off installation for helicopters and other vertical take-off air vehicles |
| 06/1989 | |
| 06/06/1989 | US4836472 Fire retardant helicopter deck |
| 12/1988 | |
| 12/06/1988 | US4789116 Landing deck for aircraft |
| 07/1988 | |
| 07/28/1988 | WO1988005481A1 Fire retardant helicopter deck |
| 06/1987 | |
| 06/02/1987 | US4669683 Moveable safety railing |
| 05/1987 | |
| 05/19/1987 | US4665857 Landing pad and hangar structure for vertical take-off and landing aircraft |
| 04/1987 | |
| 04/14/1987 | US4657086 Helicopter decks |
| 03/1986 | |
| 03/19/1986 | EP0081520B1 Helicopter deck |
| 01/1986 | |
| 01/16/1986 | WO1986000274A1 Landing deck for aircrafts |
| 07/1985 | |
| 07/24/1985 | EP0148849A1 Landing, parking and take-off installation for helicopters and other air vehicles requiring similar conditions |
| 11/1984 | |
| 11/08/1984 | WO1984004347A1 Landing, parking and take-off installation for helicopters and other air vehicles requiring similar conditions |
| 10/1984 | |
| 10/02/1984 | US4474130 Helicopter deck preferably for use in offshore oil drilling production platforms |
| 10/1983 | |
| 10/04/1983 | CA1154733A1 Landing pad and hangar structure for vertical take- off and landing aircraft |
| 06/1983 | |
| 06/22/1983 | EP0081520A1 Helicopter deck. |
| 12/1982 | |
| 12/23/1982 | WO1982004427A1 Helicopter deck |
| 06/1981 | |
| 06/24/1981 | EP0030849A1 Landing pad and hangar structure for vertical take-off and landing aircraft |
| 05/1980 | |
| 05/13/1980 | US4202646 Helicopter landing platform |
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