...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 7223431 | Method for shredding blocks of material A method of shredding a block of material, which can be a block of cheese, includes moving blades about an axis and feeding a block of material in a feed plane toward the moving blades in a feeding direction, where the feeding direction is substantially perpendicula... | 05/29/2007 |
| 6513739 | Powered four sifter assembly A flour sifter includes a sifter unit detachably supported on a stand that houses an electric motor and speed reducer. The speed reducer output shaft has a disconnectable connection with an agitator shaft that extends transversely within the sifter tube, ... | 02/04/2003 |
| 6446547 | Food processing appliance A food processor that is operable in a dough mixing mode and in at least one other mixing mode. When in the dough mixing mode, the mixing impeller is driven at a continuous speed in the range of about 1,400 to about 1,600 rpm and preferably form about 1,4... | 09/10/2002 |
| 5733592 | Method for cleaning and sorting bulk material For cleaning foodstuffs in the form of a bulk material, such as cereal grains, rice grains, soybeans, sunflower seeds, coffee beans, and the like, there is provided an optical sorting device (24, 24a, 24a') subsequent to a precleaning system (6), which en... | 03/31/1998 |