Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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 |
| 7367270 | Isolation mounting system for railroad car steps and running boards A mounting system is provided for securing a metal support surface to a metal bracket on a railroad car. The invention is improved by a compressible, energy absorbing arrangement secured intermediate the support surface and the bracket for preventing metal to metal ... | 05/06/2008 |
| 7218192 | Lockable fastener and circuit breaker employing the same A lockable fastener connects together a plurality of components of a circuit breaker and maintains electrical conductivity between the components while permitting relative movement therebetween. The lockable fastener includes a first clinch nut member and a second c... | 05/15/2007 |
| 7089870 | Isolation mounting system for railroad car steps and running boards A mounting system is provided for securing a metal support surface to a metal bracket on a railroad car. The invention is improved by a compressible, energy absorbing arrangement secured intermediate the support surface and the bracket for preventing metal to metal ... | 08/15/2006 |
| 5452974 | Deformable locking fastener system and method of use An improved deformable locking fastener system comprises a fastener, a deformable collar and a dedicated installation tool. The fastener has a threaded exterior defining a plurality of axial flutes which are configured to prevent of the collar from premat... | 09/26/1995 |
| 5145300 | Deformable locking fastener and method of use An improved deformable locking fastener system comprises a bolt, a deformable collar and an installation tool. The bolt has a threaded exterior for engaging the collar. The collar has an axial bore threaded to engage the bolt. The exterior of the collar i... | 09/08/1992 |
| 5092726 | Self-locking fastener, fastener system, and process Wrenching lobes of an internally threaded nut are separated by circumferential, tapered walls so that the lobes and contiguous portions of the walls deform in radial compression upon reaching a predetermined preload and displace radially inwardly while th... | 03/03/1992 |
| 4983085 | Threaded lockable fastener with swaged collar A fastening assembly includes a bolt and a malleable fastener. The bolt has a head at one end and either threads or circumferentially extending grooves adjacent the other end. The bolt further includes a plurality of axially extending grooves located on t... | 01/08/1991 |
| 4806054 | Male threaded fastener capable of use with a swaged collar A male threaded fastener has a plurality of impressions on the nonload-bearing flank of the thread that receives material swaged from a collar to lock the collar and pin together and increase the breakaway torque of the collar. The impressions have a dept... | 02/21/1989 |
| 4682520 | Mechanically lockable fastener assembly Disclosed is a mechanically lockable fastener assembly for maintaining workpieces assembled, when an elongated bolt with threads formed along a length thereof, and substantially axially aligned rotation resisting surfaces formed along another length there... | 07/28/1987 |
| 4649727 | Rotary driver and swaging tool Disclosed is a rotatably drivable tool for mechanically joining together threaded nut and bolt components of a fastener assembly to maintain together the assembly and workpieces joined thereby, the tool having a socket portion for receiving the nut of the... | 03/17/1987 |
| 4601623 | Fastener system and method A fastener system is disclosed comprising a nut having an axial bore provided with interior thread and a bolt having exterior thread for engagement with the interior bore of the nut. The nut has an end portion having an elliptical cross section for engagi... | 07/22/1986 |
