"There is no reason anyone would want a computer in their home."
Ken Olsen, chairman and founder of Digital Equipment Corporation ; 1977
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6915746 | Center plate assembly for a rail road car A railroad car body has a longitudinally extending center sill, and a main bolster extending transversely relative to the center sill. A center plate is mounted under the center sill at the intersection of the center sill and the main bolster. The center plate seats... | 07/12/2005 |
| 4597337 | Low profile intermodal transport system A low profile intermodal transport system including a tandem axle rail car truck with frame supported by a torsionally strained elastomer bonded between concentric hubs, each hub integral with an oppositely extending horizontal torque arm, and all (of abo... | 07/01/1986 |
| 4483254 | Center plate structure for railway vehicle A center plate structure for a railway vehicle is provided which utilizes a polymeric wear-resistant tubular liner disposed in sandwiched relation between a cylindrical outside surface of a center plate of the body of the railway vehicle and a cylindrical... | 11/20/1984 |
| 4452148 | Cushioned center plate structure for a railway vehicle body and method of making same A cushioned center plate structure for a railway vehicle body and method of making same are provided wherein such structure comprises, a substantially cylindrical disc-like component which is adapted to be received within the confines of an upstanding per... | 06/05/1984 |
| 4362109 | Railway vehicle trucks A railway-vehicle truck has a support structure in the form of a horizontal rectangular plate the opposite ends of which carry respective transverse tubular supports. Each tubular support mounts a shaft the two ends of which carry respective arms. Each ar... | 12/07/1982 |
| 4356774 | Truck bolster flange and wear ring A truck bolster ring is described comprising an annular ring adapted to be secured to the truck bolster and having inner and outer diameters. A wear resistant surface is electrically welded to the inner diameter of the ring to increase the useful life of ... | 11/02/1982 |
| 4341162 | Railway center plate liner A wear resistant liner for use between a center plate of a body bolster and a bolster bowl of a truck bolster of a railway vehicle is provided wherein such liner comprises a polymeric laminate comprised of a first material which is adapted to reduce load ... | 07/27/1982 |
| 4289077 | Railway center bearing wear liner A cup-shaped wear resistant liner for a center plate structure of a railway vehicle is provided wherein such liner is defined by a planar disc-like bottom portion adjoined by a peripheral flange portion extending from the periphery of the bottom portion w... | 09/15/1981 |
| 4275661 | Railway car lubricated center bearing A lubricating device for railway car center plates comprises an annular disc of hardened steel plate having a maximum diameter slightly less than the diameter of the truck center plate and an inside diameter substantially greater than the center plate cen... | 06/30/1981 |
| 4241667 | Grounded railway center plate liner A grounding arrangement for railroad car center plate assembly bowl liners of the all polymeric type in which the liner is equipped with a grounding device formed from a strip of beryllium copper to define a generally U shaped contact spring having a lowe... | 12/30/1980 |
| 4222331 | Resilient center plate assembly A bowl-shaped wear liner for a center plate assembly has an out-turned upper flange that guides the center plate into the center plate bowl during assembly and deforms to seat in sealing relationship with the facing sidewalls of both the center plate and ... | 09/16/1980 |
| 4213400 | Resilient railway body center plate A load distributing and vibration damping center bearing assembly for a railway car including a body center plate assembly including a base plate secured to the body bolster, a flat truck bowl bearing plate, and an elastomeric disc sandwiched therebetween... | 07/22/1980 |
| 4174140 | Resilient center plane assembly In railway car center plate swivel connections, horizontal and vertical loads are distributed more evenly along the bearing surfaces when the body center plate assembly includes an annular, elastomeric pad having horizontal and vertical bearing surfaces, ... | 11/13/1979 |