Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7448391 | Method and device for the separation of foreign bodies The invention relates to a method for the separation of foreign bodies and a device for the separation of foreign bodies from a tobacco stream. The method according to the invention is characterized in that the tobacco stream is directly conveyed into the area of th... | 11/11/2008 |
| 6922061 | Method of detecting foreign bodies in mass streams The method of detecting foreign bodies in continuous mass streams of fibrous material, strand-like material or material similar to bulk goods with the aid of microwaves, in which the mass flow is led through the field of a microwave resonator and in which the change... | 07/26/2005 |
| 6913023 | Filter attaching apparatus A filter attaching apparatus comprises a drum 20 for conveying an intermediate product of a filter cigarette and a receiving drum 36 for feeding a tip paper piece, and winds the tip paper piece around the intermediate product while rotating these drums... | 07/05/2005 |
| 6321756 | Device for assembling a continuous strand of tobacco The invention relates to a suction strand conveyor of a cigarette strand machine, which is guided around a contact wheel in an inlet area of a shaping arrangement. A plurality of suction air channels connect an inner bearing space of the contact wheel and... | 11/27/2001 |
| 5169481 | Apparatus making thin laminate structures and forming the structures into lightweight, thin-walled tubes An apparatus for laminating at least two strips of strip material and forming the laminate into lightweight, thin-walled tubular members that may be used in the construction of non-combustion smoking articles.... | 12/08/1992 |
| 5016653 | Method and apparatus for manufacturing cigarette rods free of metal Cigarette rods having fragments of metal therein can be efficiently and effectively separated from cigarette rods free of detectable metal particulates. A moving continuous rod exiting a rod-forming unit passes through a ring-like metal sensing device. Th... | 05/21/1991 |
| 4979521 | Process for manufacturing cigarette rods Cigarette rods are manufactured at high rates of speed using a cigarette making machine having a tongue which is equipped such that water is continuously fed therethrough in order to exit the surface of the tongue which contacts a tobacco filler stream pa... | 12/25/1990 |
| 4519406 | Device for applying filters to cigarettes A device for applying filters to cigarettes, in which a conveyor roller, provided with a plurality of peripheral axial seats for respective groups constituted by at least one cigarette and a filter tip which are axially aligned, cooperates with a rolling ... | 05/28/1985 |
| 4237907 | Apparatus for convoluting adhesive-coated uniting bands around groups of rod-shaped articles in filter tipping and like machines A filter tipping machine for the production of filter cigarettes has an apparatus which convolutes adhesive-coated uniting bands around groups of coaxial filter plugs and plain cigarettes while the groups move sideways through a gap which is defined by th... | 12/09/1980 |
