Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 8176954 | Nonbinding tree harvesting apparatus and method The tree harvesting apparatus and method of this invention are particularly useful in congested areas where the range of equipment movement is limited and where unrestrained heavy tree bolts would cause damage to surrounding property if allowed to free fall to the g... | 05/15/2012 |
| 4369796 | Method and apparatus for forming an air dilution filter The air dilution filter of the cigarette is provided with an annular zone in the plug wrap paper which enables air to pass directly into the fibrous body of the filter material after passing through apertures in the tipping paper. The annular zone can be ... | 01/25/1983 |
| 4257430 | Tobacco composition including palladium Improved palladium-containing smoking tobacco compositions wherein the palladium in a highly active form is obtained by depositing on the tobacco palladium which has been insolubilized by admixing in an aqueous medium a water-soluble palladium compound an... | 03/24/1981 |
| 4252527 | Glue transfer apparatus for cigarette filters A filter is formed by placing increments of glue in spaced apart relation on a moving stream of plug wrap paper and thereafter depositing alternating fibrous filter sections on the glue increments. Particulate material is then deposited between the fibrou... | 02/24/1981 |
| 4248251 | Tobacco composition The concentration of polycyclic aromatic hydrocarbons in tobacco smoke is reduced by incorporating palladium, either in metallic form or as a salt, and an inorganic nitric oxide generating compound into tobacco.... | 02/03/1981 |
| 4235251 | Stability of tobacco casing systems containing palladium The stability of palladium in tobacco casing systems is improved by the incorporation of a polysaccharide protective colloid.... | 11/25/1980 |
| 4232574 | Apparatus and method for providing a cigarette filter with an aeration groove An apparatus and method is adapted to provide the filter of a cigarette with an annular perpheral groove to enable air to pass directly into the fibrous body of the filter material after passing through apertures in the tipping paper. Ordinary plug wrap p... | 11/11/1980 |
| 4219030 | Aeration groove filter The filter plug of the cigarette is provided with an annular peripheral groove to enable air to pass directly into the fibrous body of the filter material after passing through apertures in the tipping paper. Use is made of ordinary plug wrap paper instea... | 08/26/1980 |
| 4216784 | Tobacco composition The amount of polycyclic aromatic hydrocarbons in tobacco smoke is reduced and a substantially diminished biological activity of the tobacco smoke condensate is achieved by adding to the tobacco palladium, either in metallic or salt form, and an inorganic... | 08/12/1980 |
| 4208956 | Glue transfer apparatus for cigarette filters A filter is formed by placing increments of glue in spaced apart relation on a moving stream of plug wrap paper and thereafter depositing alternating fibrous filter sections on the glue increments. Particulate material is then deposited between the fibrou... | 06/24/1980 |
| 4185393 | Device for measuring the circumference of a cylindrical rod The hand held measuring device measures the circumference of a cylindrical rod by moving the rod through a measured path between two cylinders. An ink marking device is used to place an index mark on the rolling rod and a transparent scale is used at the ... | 01/29/1980 |
| 4184412 | Pocket-type charcoal filter and cigarette made therewith The apparatus for making the filter forms a stream of tow into a U-shaped trough so that charges of charcoal can be injected into the trough by a charcoal wheel. The shape of the tow is ensured by feeding the tow into a funnel-shaped passageway from below... | 01/22/1980 |
| 4179323 | Method for making a hollow filter rod The apparatus is constructed to produce a hollow filter rod. The apparatus includes a mandrel through which a supplied length of tubing is passed, a nozzle surrounding the mandrel for shaping a stream of fibrous filter material about the mandrel and a for... | 12/18/1979 |
| 4177822 | Tobacco composition A smoking composition comprising tobacco and a catalytic agent for causing a decrease in the yield of polycyclic aromatic compounds arising from pyrolytic reactions of the composition, the agent being selected from the group consisting of finely divided u... | 12/11/1979 |
| 4163453 | 7-Alkoxy-1,2-benzopyrones as tobacco flavorants A process for improving, enhancing or modifying the organoleptic properties of tobacco products which comprises adding thereto a compound possessing the following formula: ##STR1## wherein R represents a straight or branched-chain alkyl, alkenyl or c... | 08/07/1979 |
| 4055191 | Tobacco composition The amount of polycyclic aromatic hydrocarbons in tobacco smoke is reduced and a substantially diminished biological activity of the tobacco smoke condensate when evaluated on experimental animals following conventional protocol is achieved by adding to t... | 10/25/1977 |
| 4034765 | Tobacco smoke filter This invention relates to a cigarette filter composed of two concentric cylindrical layers of fibrous filter materials, in which the inner cylindrical layer has a lower draw resistance than the outer cylindrical layer.... | 07/12/1977 |
| 4024012 | Method and apparatus for making a hollow filter and a filter rod The apparatus is constructed to produce a hollow filter rod. The apparatus includes a mandrel through which a supplied length of tubing is passed, a nozzle surrounding the mandrel for shaping a stream of fibrous filter material about the mandrel and a for... | 05/17/1977 |
| 4023576 | Cigarette mouthpiece for controlling flow The cigarette mouthpiece is made of one-piece construction in which two semi-cylindrical shells are hinged together along one edge and are releaseably secured together at the free edges. The mouthpiece has an internal cylindrical smoke chamber which is se... | 05/17/1977 |
| 3976085 | Automatic cigarette feed machine The first conveyor is inclined to move the cigarettes from the cigarette making machine upwardly in single line fashion to the second conveyor which conveys the cigarettes horizontally in stacked fashion into the hopper of the cigarette packaging machine.... | 08/24/1976 |
| 3949107 | Method of polishing floors A method of forming a bright-drying floor finish on a resilient flooring comprising applying a polish containing an aqueous dispersion of fine particles of a resin with a Tg of 30° to 80°C to a flooring, preferably a resilient flooring, with at least on... | 04/06/1976 |
