Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7310892 | Method of producing a soil enrichment product from dewatered sludge A method of pasteurizing dewatered sludge into valuable soil conditioners is provided. Unpasteurized dewatered sludge is introduced into a first end of an dryer and maintained under vacuum pressure. Moisture is removed using a condenser and knock out tank while a bo... | 12/25/2007 |
| 6910285 | Process to produce dried singulated cellulose pulp fibers This invention provides a dried singulated cellulose pulp fiber product as well as an apparatus and a method for forming singulated and dried fibers. In accordance with the process a feed pulp is delivered to a jet drier. The jet drier singulates and dries the feed ... | 06/28/2005 |
| 6161306 | Method and apparatus for drying a load of moist fibrous material, particularly a load of laundry A method and an apparatus is described for drying a load of moist fibrous material, particularly a load of laundry washed and placed in a washer/drier machine or a clothes drier, wherein a closed-circuit flow of superheated steam at 102-180° C. and subst... | 12/19/2000 |
| 5706588 | Device and method for separating lint particles in a clothes dryer The present invention discloses a device and method for separating lint particles in a clothes dryer. In the present invention, the device and method use a cyclone to separate the lint particles. The cyclone includes a housing container having an inlet po... | 01/13/1998 |
| 5604994 | Drying hopper and powder drying method using the same Disclosed is a drying hopper comprising, disposed in its lower position, a cone portion having diameters gradually decreasing toward a lower end thereof, in which a high temperature gas is injected toward powder descending in the cone portion to thereby d... | 02/25/1997 |
