Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7101640 | Screw-in vent plug for lead-acid batteries A venting plug for a wet, lead-acid storage battery, a battery containing the same, a method of molding the venting plug body, and a mold for molding the venting plug body are disclosed. The sealing surfaces of the venting plug do not include a mold parting line alo... | 09/05/2006 |
| 6994227 | vacuum container to preserve food A vacuum container for preserving food is disclosed herein that includes a cover member for covering an upper part of a container member in which food is filled, a piston member equipped with the cover member and ascending and descending movable, and first and secon... | 02/07/2006 |
| 6953637 | Catalytic hydrogen vent filter for batteries A selective gas permeable membrane allows hydrogen to vent from a battery while preventing other gases from entering the battery. The surface of the filter membrane also catalytically combusts hydrogen and oxygen if both are evolved inside the battery and retains th... | 10/11/2005 |
| 6846591 | Battery casing A battery casing, particularly suitable for a lead acid type battery, comprises a lid having a recess insert into the top surface, at least one vent at the base of the recess through which gas is expelled from the battery, a cover for sealingly covering the recess a... | 01/25/2005 |
| 6844104 | Vent plug system for storage batteries To improve on a vent plug system for a cell opening of a storage battery containing a plug element with an inner cartridge and a valve element, to where it is possible without the need for maintaining excessive physical tolerances to assemble it with a minimal numbe... | 01/18/2005 |
| 6830736 | Apparatus for carrying out a heterogeneously catalyzed reaction For carrying out a heterogeneously catalyzed reaction, such as the generation of hydrogen from hydrocarbons or alcohol, a reaction mixture comprising a hydrocarbon and water is supplied to a catalyst, which is produced by pressing at least one catalyst powder into a... | 12/14/2004 |
| 6703157 | Cylindrical battery and method for manufacturing the same The present invention provides a high-capacity cylindrical battery, wherein a burst-proof mechanism, which functions to discharge a gas outside when the internal pressure of the battery abnormally increases, does not sacrifice the space for power generati... | 03/09/2004 |
| 6589683 | Regenerative fuel cell learning kit Educational kit which combines a unitized regenerative fuel cell with a demonstration platform to illustrate the principals of fuel cell use and application. A fuel cell education kit provides valuable exposure to the principals of fuel cell generated ele... | 07/08/2003 |
| 6586131 | Apparatus for releasing gases from rechargeable lithium electrochemical cells during the formation stage of manufacturing An alkali metal secondary electrochemical cell, and preferably a lithium ion cell, provided with a removable gas relief valve, is described. The gas release valve is positioned on the casing, in fluid flow communication between the inside thereof and the ... | 07/01/2003 |
| 6579640 | Sealed rectangular battery and manufacturing method for the same A sealed rectangular battery has a conductive battery case including an external casing and a sealing cap. The external casing encloses a generator element and is sealed by attaching the sealing cap using heat. The battery includes an electrode terminal w... | 06/17/2003 |
| 6497978 | Explosion-proof safety valve assemblage for a secondary battery The object of the present invention is to provide an explosion-proof safety valve assemblage having a lead cap which allows some of the manufacturing man-hour in the process such as precision working and positioning to be deleted, since the lead cap is in... | 12/24/2002 |
| 6485854 | Gas-liquid separator for fuel cell system A water separator especially suitable for use in a vehicular fuel cell system. The separator comprises a housing defining an inlet, an outlet, and a longitudinal through passage extending therebetween. A central shaft extends along the passage and a plura... | 11/26/2002 |
| 6242126 | Explosion-proof seal plate for enclosed type cell and production method thereof The present invention relates to an explosion-proof seal plate for a sealed cell and a production method thereof and aims at providing an explosion-proof seal plate and production method thereof, wherein problems of a risk of explosion of a cell due to an... | 06/05/2001 |
| 6235424 | Cap assembly for secondary battery and method for assembling the same A cap assembly for a battery having a can filled with an electrolyte and an electrode assembly. The cap assembly is close-tightly mounted on the upper end of the can with a gasket interposed between the cap assembly and the upper end. The cap assembly com... | 05/22/2001 |
| 6146784 | Vent plug having an integal seal The present invention provides for a wet, multicell, lead-acid electric storage battery comprising a venting system having vent plugs comprising an inventive sealing arrangement. Specifically, the vent plugs provide a seal to be molded onto the vent body ... | 11/14/2000 |
| 5942351 | Moisture-proof housing for containing an electric accumulator A moisture-proof housing is disclosed intended for containing a battery. The housing includes two walls or plates which are kept in place by a sealing band located therebetween which defines interior of the housing. Portions of the walls, namely wall or p... | 08/24/1999 |
| 5418084 | Electrochemical cell having a safety vent closure An electrochemical cell having a vent orifice defined in the cover of the cell and a conductive spring member is employed to electrically connect one of the electrodes of the cell to the cover so as to adapt the cover as the terminal for the electrode.... | 05/23/1995 |
| 5258242 | Electrochemical cell having improved pressure vent The electrochemical cell of the instant invention includes a case having a gas outlet, one or more positive electrodes positioned within the case, one or more negative electrodes positioned within the case electrode separators positioned between the posit... | 11/02/1993 |
| 5258243 | Pressure relief valve for recombinant battery A pressure relief valve, according to the invention, is mounted on a vent orifice providing a gas passageway from an interior plenum of a battery or a cell thereof to the ambient atmosphere. The valve fits on the vent orifice and opens to release gas at a... | 11/02/1993 |
| 5217823 | Explosion resistant vent cap A vent cap for use in a recombinant battery which includes a hollow barrel configured for gas-tight insertion into a vent hole in a battery cover. A retaining flange is formed at the closed end of the barrel, and a one-way relief valve formed on the barre... | 06/08/1993 |
| 5215835 | Metal oxide-hydrogen battery having an outer safety shell A metal oxide-hydrogen battery having an outer safety shell. The battery to be used in a confined area such as in an aircraft or manned spacecraft, and includes a pressure vessel that contains at least one cell module. Hydrogen gas under pressure is confi... | 06/01/1993 |
| 4965144 | Releasable pressure vents A resealable pressure vent for a container such as a battery container having a wall containing an aperture connecting the interior of the container with the atmosphere comprising a cover member in the form of a metal plate which is spot welded at its cen... | 10/23/1990 |
| 4927719 | Dry cell A dry cell which is so arranged that, with a bottom plate being disposed at the lower portion of a raw cell sealed at its opening by a sealing member, an insulative seal packing is applied onto the peripheral portion of the bottom plate, while the raw cel... | 05/22/1990 |
| 4780378 | Battery vent valve A relief/check valve for venting an electric storage battery comprising essentially an annular sealing member having an elastomeric skirt engaging the sloping exterior surface of a valve seat. The skirt flares outwardly from the seat in direct proportion ... | 10/25/1988 |
| 4131722 | Non-fouling resealable vent A resealable vented battery container having a sealed casing with a plastic closure having a vent port and a recess on the outside of the closure surrounding the vent port. A metal grommet in the port has a sleeve portion extending through the port with a... | 12/26/1978 |
| 3980500 | Resealable vent for plastic battery case A resealable vent for a secondary cell having a flat plastic case including a resilient ball seated in an apertured passage with a predetermined amount of compression and adapted to unblock an opening in the passage and vent gaseous material upon an exces... | 09/14/1976 |
