Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 6915796 | Superabrasive wire saw and associated methods of manufacture A superabrasive wire saw having a plurality of individual coated superabrasive particles attached to a wire with an organic binder is disclosed and described. The superabrasive particle can be coated with a solidified coating of a molten braze alloy that is chemical... | 07/12/2005 |
| 4831783 | Method and apparatus for surface grinding of small diameter long bore holes There is provided a method and apparatus for inside surface finishing with a high degree of dimensional accuracy and axial parallelism for long bores of very small diameter in work pieces. The method employs a high tensile strength steel wire as the grind... | 05/23/1989 |
| 4321843 | Process for the production of drawing die bores A process for the production of drawing die bores, especially in hard metal or carbide wire drawing dies, wherein each bore has an inlet cone portion on the feed side of the die and a cylindrical calibrating portion along a common axis, the process being ... | 03/30/1982 |
| 4258690 | Machining apparatus utilizing oscillation of tuning fork A machining apparatus comprises a mounting base, a tuning fork secured to the mounting base at the root thereof, a driver associated with the forward end of one of the oscillating legs of the tuning fork for driving the tuning fork so as to cause resonant... | 03/31/1981 |
| 4069805 | Wire apparatus for abrasive powder machining A wire for machining with the aid of an abrasive comprises a core wire of a hard metallic material and wrapped therearound in an open helical configuration a band of a softer material which is sufficiently soft for the surface thereof to be impregnated wi... | 01/24/1978 |
| 4063542 | Ultrasonic lapping apparatus for drawing dies For lapping the surfaces defining a hole in a wiredrawing die of diamond or artificial material, one or more transducers are excited by respective ultrasonic generators to produce mechanical vibrations imparted to lapping needles. Turntables arranged oppo... | 12/20/1977 |
