Bizarre Patents
A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
PatentStorm News
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 |
| 7261259 | Flared railway frog An improved railway frog having opposite side flangeways, each flangeway comprising a channel with an ending width greater than a corresponding channel width of a conventional frog. The improved frog channel further comprising a first segment and a second segment. T... | 08/28/2007 |
| 7185860 | Tongue switch A modular tongue switch assembly comprises a tongue pivotally connected to a slide surface, held down by a pivot retainer. The slide surface consists of slide plate sections removably attached to corresponding bed plate sections, which are in turn welded onto a base... | 03/06/2007 |
| 7083149 | Cross frog A cross frog of a grooved rail junction plate having a cross frog tip movably arranged on a sliding plate, wing rails running along the same, as well as auxiliary rails that transition into connecting bars, which delimit a respective groove with an allocated section... | 08/01/2006 |
| 6340140 | Railroad frog for switch points and crossings The rigid frog for switch points and crossings with two wing rails (1, 2) and a frog point (3, 6, 4, 5) arranged therebetween, which forms with the wing rails switch openings (11) that run at an acute angle relative to each other, is characterized in that... | 01/22/2002 |
| 6164602 | Railroad frog assembly with multi-position holdback A railroad frog assembly is provided with a spring wing rail multi-position holdback subassembly that continuously retains the spring wing rail in each spring wing rail open position when activated by the wheels of a railcar traversing the frog assembly, ... | 12/26/2000 |
| 6158697 | Railroad frog assembly with latch holdback A railroad frog assembly is provided with a spring wing rail latch holdback subassembly that continuously retains the spring wing rail in a spring wing rail fully open position when activated by the wheels of a railcar traversing the frog assembly, and th... | 12/12/2000 |
