Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
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 |
| 7025067 | Activated charcoal filter for effectively reducing p-benzosemiquinone from the mainstream cigarette smoke A filter for tobacco smoke inhaling/generating/producing device, comprising stipulated amounts of specific grain sizes or combination of grain sizes of activated charcoal for effectively reducing from the mainstream smoke the level of p-benzosemiquinone (p-BSQ), a r... | 04/11/2006 |
| 5896860 | Smoking filter A filter for passing tobacco smoke or other gaseous material comprising two layers of material having a plurality of circuitous or serpentine passageways forming pathways through which tobacco smoke travels a distance greater than the length of the filter... | 04/27/1999 |
| 4677992 | Smoking apparatus having convoluted filtering/heat-reduction passageway A filtering/heat-reduction smoking apparatus for various tobacco products. A convoluted passageway in the apparatus removes tar and other harmful chemicals and reduces the heat of the smoke thereby increasing the user's pleasure. Air intake holes also aid... | 07/07/1987 |
| 4637409 | Tobacco smoke filter and method and apparatus for making same An improved tobacco smoke filter is characterized by longitudinally continuous grooves running from end-to-end in the peripheral surface of a smoke-impervious filter plug wrap. Smoke-impervious tipping surrounds the plug wrap to seal the grooves except fo... | 01/20/1987 |
| 4616664 | Tobacco product A tobacco product such as a cigarette having a tobacco column within a combustible wrap and a filter plug located at one end of the tobacco column to filter constituents of the mainstream smoke. The filter plug is disposed within a layer of plug wrap whic... | 10/14/1986 |
| 4502495 | Apparatus for making helical center-cored smokers' filters and method There is disclosed apparatus and method for making helical center-cored smokers' filters from pipe cleaners or the like in which a guide for winding the pipe cleaner includes a thin walled metal tube with an inside diameter slightly smaller than the pipe ... | 03/05/1985 |
| 4373539 | Tobacco smoke filter The filtration route of tobacco smoke is increased by coiling a length of plastic tube filled with activated charcoal to form a coiled configuration similar to a coiled spring and placed between the conventional cellulose filter and the tobacco charge by ... | 02/15/1983 |
| 4135523 | Tobacco-smoke filters A filter element for a smoking article, such as a cigarette, comprises a generally cylindrical body having at least one helical groove in its peripheral surface and closely wrapped in a material pervious to vapor-phase constituents of the smoke, whereby s... | 01/23/1979 |
| 3978869 | Mouthpiece for cigarette A mouthpiece for cigarettes comprising a tubular exterior cylinder of substantially circular cross-section obtained by extrusion molding of synthetic resin and having at least one deflecting wall extending inwardly from the inner surface of said exterior ... | 09/07/1976 |
