Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6997598 | Impact-type rotary fining, homogenizing and emulsifying device An impact-type rotary fining, homogenizing and emulsifying device is constituted by a casing body disposed on a base, a feed port and a discharge port disposed in the casing body, and a power shaft disposed inside of the casing body. The power shaft is equipped with... | 02/14/2006 |
| 5478147 | Portable mixer for mixing ground rubber into liquid asphalt The mixer includes a cylindrical mixing tube substantially submerged in the liquid asphalt and a paddle assembly extending axially through the mixing tube. An auger drives the ground rubber into an upstream end portion of the mixing tube and into the liqu... | 12/26/1995 |
| 4883363 | Device inter alia for uniformly distributing solid and/or liquid particles, and an assembly comprising such a device A device inter alia for uniformly distributing solid and/or liquid particles. It comprises, on the one hand, a hollow vertical primary shaft (1) driven in rotation, the bottom end of the shaft comprising a primary ring (4), the bottom surface of which bea... | 11/28/1989 |
| 4824032 | Method and an arrangement for mixing a dry material with a liquid The invention relates to a method and an arrangement for mixing a dry or substantially dry powder material (2) with a liquid to form a slurry (4), while using a vessel (7) which contains the liquid and which is provided with agitating means (5), and in wh... | 04/25/1989 |
| 4628803 | Autoclave for processing cocoa liquor An autoclave for processing cocoa liquor, wherein for the effectuation of all the processing steps of a cocoa liquor involved, additionally to inlet (5) and discharge ports for the product, heater means, stirrer means, and level and temperature (7) gages,... | 12/16/1986 |
