Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 7290334 | Method and device for connecting an electric conductor to a metal rail and a tool for attaching a bushing in an opening in a metal rail Method for connecting an electrical conductor (17) to a metal bar (11) by bolted connection, whereby a bushing (10) provided with a collar (12) is inserted into, and is by radial expansion fastened in, a hole in the metal bar, a cable lug... | 11/06/2007 |
| 7143954 | Short-circuiting device for an electric railway system having a conductor rail for supplying power to drive the vehicles A short circuiting device for an electric railway system having a conductor rail for supplying electric power to drive the vehicles. The function of the device is to provide a short circuit between a track rail and the conductor rail. The short circuiting device con... | 12/05/2006 |
| 6244517 | System for fixing an electric terminal connector System for attaching an electric terminal connector to an element, including a threaded rod being one of, integral with, or fixed to the element and a nut, provided with a clamping washer adapted to clamp a terminal connector on one of, the element, or an... | 06/12/2001 |
| 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 |
| 4826078 | Wire-to-track-base retainer clip and keeper Heat treated spring steel, electroplated with zinc, is formed into clips having a base portion that passes under the base of a railway rail and upstanding end sections that respectively engage and forcefully snap over the opposite lateral edges of the rai... | 05/02/1989 |
| 4709856 | Electrical and mechanical coupling for model rail sections A coupling for two adjacent rail sections of a model railway has a bed member with rails and conductor rail held thereon and downwardly extending projections electrically connected to the rail and conductor rail. A coupling member is arranged beneath the ... | 12/01/1987 |
| 4252272 | Electrical connecting element for a toy railroad An electrical connecting element for a toy railroad has a support member insertable between two adjacent ties which support rails and two contact members which are guided laterally outwardly of a track formed by the rails and rest against outer faces of t... | 02/24/1981 |
| 4020300 | Sectionalized crane collector systems A sectionalized crane collector system is provided for electrical power rail systems for overhead cranes and the like made up of a pair of aligned conductor rails spaced apart longitudinally to form an air gap and having upper surfaces for engagement by a... | 04/26/1977 |
