"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
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 |
| 6769519 | Flange lubricator attachment to a composite brake shoe A device for lubricating a flange portion of a railroad wheel attachable to a composition brake shoe. The device comprises at least one lubricating member formed from a polymer based compound selected from the group consisting of phenolic resins, epoxy resins, polya... | 08/03/2004 |
| 6672432 | Two piece stamped brake shoe A brake shoe assembly includes the first and second sections defining a lining surface and a mounting tab. The mounting tab extends perpendicular from the lining surface and includes a series of notches allowing the formation of the lining surface into an... | 01/06/2004 |
| 6419472 | Gear unit for a deep-borehole pump The gear unit for a delivery pump installed in a deep borehole has a toothed gear unit with a pinion located on input shaft (2) and a gear wheel engaged with the pinion, which gear wheel is located on a vertical output shaft (5) driving the delivery pump.... | 07/16/2002 |
| 5234082 | Railroad brake shoe A tread brake shoe for a railroad wheel has a cross-section with a bidirectional laminate structure, which includes a core element of a high-friction material for contacting the wheel tread and, at least one low-friction element positioned on the high-fri... | 08/10/1993 |
| 4181202 | Railway brake shoe with removable flange In a railway wheel braking unit, a braking flange carrying a friction pad for engaging the wheel tread is detachably mounted on the main brake shoe by a rod structure that projects with a snug fit into an arch on the main shoe, a retaining pin passing thr... | 01/01/1980 |
| 4020928 | Railroad brake shoes with separable insert engageable with flange of a wheel An insert for a railroad brake shoe having a support plate engageable complementally with a portion of the shoe back. Shoulders are provided for preventing the lateral and longitudinal displacement of the insert relative to the brake head assembly. A guid... | 05/03/1977 |