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.
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| Application No. | Application Title | Issue Date |
| 20100040432 | SCREW A screw which can be manufactured at a low cost with a relatively simple constitution by performing precise machining suitable for tightening a screw without employing a tapping thread structure as a threaded portion shape and machining only the distal end of the thread... | 02/18/2010 |
| 20090285654 | Taper Bolt Connection and Use of a Taper Bolt Connection Disclosed is a taper bolt connection including a taper bolt received in a taper bush, a fastening nut and a washer, the taper bush having a continuous longitudinal slot, and the taper bush being capable of being spread open uniformly in the radial direction by means of ... | 11/19/2009 |
| 20090047097 | FASTENING DEVICE FOR HEAT SINK A fastening device for a heat sink includes a one-piece shaft. The shaft includes a head at one end thereof, an engaging section at an opposite end thereof, a connecting section between the head and the engaging section, and a tray extending above the engaging section. ... | 02/19/2009 |
| 20080273941 | Threaded fastener and fastener system A threaded fastener and threaded fastener system. The threaded fastener includes a body having at least one outer surface and at least one thread forming a spiral about the outer surface of the body. The thread forms a plurality of crests and a plurality of roots and th... | 11/06/2008 |
| 20080145184 | Fastening Device A fastening device for joining together mechanical parts is provided, where the fastening device includes integrated cutting edges that are so arranged, during assembly of the fastening device, as to remove material from the envelope surfaces of the assembly hole by cut... | 06/19/2008 |
| 20080080946 | Expansion pin system for a wind turbine structural tower The disclosed invention is utilized for constructing a tower structure for a wind turbine and generally includes an expansion pin assembly. ... | 04/03/2008 |
| 20070009340 | Conic threaded fastener and fastener system A conic threaded fastener and conic threaded fastener system. The conic threaded fastener includes a body having at least one substantially conic outer surface and at least one conic thread forming a spiral about the substantially conic outer surface of the body. The co... | 01/11/2007 |
| 20060171795 | Substantial embedment of metallic debris An apparatus in one example has a liquid lubricant having a viscosity and surface tension such that, during engagement of a first segment, which has a threaded portion, and a second segment, which has a plurality of threads which are interlockable with the threaded port... | 08/03/2006 |
