Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 5865282 | System comprising at least two conductor rails joined by an electrical conductor In a system comprising at least two conductor rails, in particular composite sections each featuring a rail-shaped load-bearing section and at least one strip-shaped section of another metal of greater wear resistance joined to the matrix of the load-bear... | 02/02/1999 |
| 5842637 | Angled joint for railroad rails The present invention involves a power saw for cutting railroad rails at an angle. The power saw includes a base, a cutting location disposed proximate the base, a cutting disc and associated driving mechanism, and a device for moving the cutting disc and... | 12/01/1998 |
| 5533670 | Rail joint for expansion between rails with inverted T-shaped base holder A rail joint for interconnecting two successive rail bars of a railroad track includes longitudinally aligned first and second guide rails. Each of the guide rails has a mounting end adapted to be secured to a respective one of adjacent end portions of th... | 07/09/1996 |
| 4665830 | Guide construction and method of installation A vehicle supporting guideway is presented, the guideway is comprised of upper horizontal stringers, lower horizontal stringers vertically oriented diagonal members affixed to the upper and lower horizontal stringers and horizontally oriented diagonal mem... | 05/19/1987 |
| 4589617 | Frog for switches This invention relates to an improvement in a frog for switches, in particular for rapid transit switches, with a junction rail mounted in a rotatable manner and adapted to close a gap between pairs of rails of straight or branch track, the improvement co... | 05/20/1986 |
| 4171774 | Expansion joint for railroad tracks The specification describes an improved railroad track expansion joint which is comprised of a pair of longitudinally aligned elongated joint members interconnected with one another by means of a dovetail joint formed along abutting faces which extend at ... | 10/23/1979 |
