Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 6715494 | Two-piece smoking pipe vaporization chamber with directed heat intake A method of using a two-piece smoking pipe vaporization chamber with directed heat intake is disclosed comprising applying a material from which vapor is to be extracted over the surface of a lower screen member. The method further comprises forming a vaporization c... | 04/06/2004 |
| 6626182 | Cigarette holder A cigarette holder for extracting tar has first tar extractor with a stick and a first disc with apertures. A second tar extractor has a cylinder fitted to the stick and a second disc provided on one end of the cylinder and fitted in a flue of transparent... | 09/30/2003 |
| 6371127 | Cigarette sidestream smoke and free-burn rate control device A device for minimizing cigarette sidestream smoke and reducing the free-burn rate of a burning cigarette, the device comprises: I) a non-combustible tubular element (12) encasing an effective length of a tobacco charge (22) of a cigarette (14) located in... | 04/16/2002 |
| 6354301 | Two-piece smoking pipe vaporization chamber with directed heat intake A two-piece smoking pipe vaporization chamber with directed heat intake is disclosed. The two-piece smoking pipe vaporization chamber with directed heat intake comprises a lower chamber member having a bowl portion formed therein to hold materials from wh... | 03/12/2002 |
| 6067993 | Filter adapter for use with smoking apparatus A filter adapter for use with a waterpipe comprises a closure cap with a cutout; a spigot tap with a cylindrical sleeve, an integral port, a cylindrical base with male threads, the port providing communication between the sleeve and the base; and a ventil... | 05/30/2000 |
| 6006757 | Cigarette holder A cigarette holder completely encloses the lit end of a cigarette providing purification for both sidestream smoke and mainstream smoke. It has two concentric tubes with the lit cigarette placed in the inner tube and purifying agent placed in the volume b... | 12/28/1999 |
| 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 |
| 4852590 | Insertable cigarette smoke baffle for holders A baffle for filtering cigarette smoke is described. The baffle is inserted into commonly available cigarette holders. The cleansing and filtering action of the baffle system is augmented by the throttling of the smoke in successive chambers which were cr... | 08/01/1989 |
| 4841994 | Mouth-piece for filtering the smoke of cigarettes and the like The mouth-piece comprises a tubular body which accommodates a filter element which defines, with the inner walls of the tubular body, a first collection chamber for the combustion products, while a second collection chamber for the condensation products i... | 06/27/1989 |
| 4730626 | Dry bowl smoker's pipe A smoker's pipe that includes a hollow shank, a bowl assembly mounted at one end of the shank and a bit connected to the other end of the shank. The pipe also comprises in one embodiment a flow separator which respectively directs the smoke and liquid com... | 03/15/1988 |
| 4682610 | Water pipe A smoking apparatus which efficiently removes harmful impurities from the smoke does so by improving contact between the smoke and a washing liquid. This is accomplished by placing small stones and small floating pieces in a water pipe to increase the dis... | 07/28/1987 |
| 4517989 | Cigarette holder and filter cartridge An improved construction for a cigarette holder and filter cartridge is described wherein the holder has a unique arrangement of cavities for axially receiving a filter cartridge and the end of a cigarette. The filter cartridge is formed with a unique arr... | 05/21/1985 |
| 4370988 | Cigarette holder smoke filtering cartridge with two stage smoke purification action The outer shell of a removable smoke filtering cartridge for fitting inside a cigarette holder is formed from two coaxially abutting tubes separated by a wall with a hole. A tubular inner lip around the hole extends into the space within the first tube, a... | 02/01/1983 |
| 4344444 | Cigarette holder with nicotine extractor A cigarette holder having an attractive appearance and a compact structure suitable for use by ladies without any feel of reluctance, and capable of effectively removing nicotine and tar while permitting a visual check of the state of removal of nicotine ... | 08/17/1982 |
| 4343320 | Cigarette filter with oblique partitions A filter assembly for cigarettes and the like comprising an elongated tube with an axial bore, having a plurality of fan folded interior cross partitions each of oval outline, and extending in a plane oblique to the axis of the bore to form a succession o... | 08/10/1982 |
| 4292983 | Filter cartridge assembly A filter cartridge assembly for filtering tars from tobacco smoke is described, said assembly comprising a cylindrical sleeve and an inner filter core member, the inner surface of the cylindrical sleeve and the outer surface of the core member defining a ... | 10/06/1981 |
| 4254782 | Tobacco smoke filter An improved tobacco smoke filter is provided with a novel arrangement of restricted passageways and expansion chambers which entrains the smoke so that greater diffusion thereof occurs in a first expansion chamber and greater and more efficient mixing wit... | 03/10/1981 |
| 4241741 | Spill proof bong A traditional bong is provided having an upright barrel divided by a partition into a lower, dry chamber into which the pipe stem enters, and an upper aqueous chamber which is made spill-proof by virtue of a stand pipe extending up from the lower chamber ... | 12/30/1980 |
| 4202358 | Filter for cigarettes with two chambers The invention is directed to a filter for removing cigarette smoke particles. The filter is comprised of a housing having an inlet and an outlet. A first diaphragm is positioned adjacent the housing inlet and a second diaphragm is positioned midway along ... | 05/13/1980 |
| 4158364 | Tobacco smoke filter A tobacco smoke filter embodied in a holder for retaining cigarettes and cigars during the smoking thereof wherein inhaled smoke is drawn by suction through a series of sections and successively expanded and contracted to remove more and more tar and nico... | 06/19/1979 |
| 4157721 | Cigarette pipe having a tar cartridge A cigarette pipe is disclosed incorporating therewith a replaceable tar cartridge which acts as a liquefier tube. Said tar cartridge is snugly fitted at the downstream portion of the cigarette holder of said pipe. A smoke passage inlet and smoke passage o... | 06/12/1979 |
| 4111213 | Smoking pipe A smoking pipe includes a base, a cylindrical standpipe extending upward from the base, and a smoke inlet pipe arranged concentrically within the standpipe and extending from near the base up to a little above an intermediate water level. Baffle plates ar... | 09/05/1978 |
| 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 |
| 4011877 | Mouthpiece for smoking tobacco A mouthpiece which comprises two filters for purifying tobacco smoke: a rough purification filter and a fine purification filter. The rough purification filter is intended to convert the resin vapors contained in the smoke into a liquid and to settle down... | 03/15/1977 |
| 4009724 | Air vent particle filter cap An improved filter cartridge for use in cigar and cigarette holders is formed by a cylindrical cup having an inlet perforation in its side wall and a barrier wall extending from the bottom wall of the cup past and closely adjacent to the inlet perforation... | 03/01/1977 |
