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.
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 |
| 6602629 | Zero mercury air cell An improved button air cell is provided that contains zero mercury, is free of indium on the sealing surface of the anode cup and has an active material comprising zinc alloyed with lead. Also provided is a method of forming a button electrochemical cell ... | 08/05/2003 |
| 6589693 | High discharge electrolytic manganese dioxide and an electrode and alkaline cell incorporating the same An alkaline electrochemical cell is disclosed having a positive electrode, a negative electrode, and an electrolyte. The positive electrode comprises electrolytic manganese dioxide having a pH-voltage of at least about 0.860 volt. The electrolytic mangane... | 07/08/2003 |
| 6558828 | Zn/air cell performance in extreme humidity by controlling hydrophobic layer porosity An improved air cell, and the method of forming the air cell, is provided. The cell has a uniformly laminated hydrophobic membrane using a high laminating force. The air cell has increased performance in high humidity or low humidity conditions.... | 05/06/2003 |
| 6468691 | Electrochemical cell with improved gasket and seal Disclosed is an electrochemical cell using a gasket with projections on both surfaces of an upstanding wall. When used as a seal member between two parts of the housing of an electrochemical cell, a plurality of high compressive stress areas is formed in ... | 10/22/2002 |
| 6410186 | Battery construction having double seam cover closure An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte, the can having an open end and a closed end; a pressure rel... | 06/25/2002 |
| 6399246 | Latex binder for non-aqueous battery electrodes A water-soluble binder useful for preparing an electrode for either primary or secondary batteries, having either aqueous or non-aqueous electrolyte, contains polyacrylamide and at least one copolymer selected from carboxylated styrene-butadiene copolymer... | 06/04/2002 |
| 6348281 | Electrochemical cell having venting cover An electrochemical cell having a can with a bottom end and an open top end, and positive and negative electrodes disposed in the can. The cell includes an inner metal cover inserted in the open end of the can for closing the open end of the can. The inner... | 02/19/2002 |
| 6346342 | Battery having pressure relief mechanism formed in container An electrochemical cell having a container with a closed bottom end, an open top end, and side walls extending between the top and bottom ends has a pressure relief mechanism formed in the bottom end, and positive and negative electrodes disposed in the c... | 02/12/2002 |
| 6307605 | Liquid crystal display and battery label including a liquid crystal display A liquid crystal display of the present invention includes a first electrode provided on a substrate, a first liquid crystal layer provided on and in contact with the first electrode, a second electrode provided on and in contact with the first liquid cry... | 10/23/2001 |
| 6300004 | Battery constructions having reduced collector assembly volume An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte, the can having an open end and a closed end; a pressure rel... | 10/09/2001 |
| 6294283 | Electrochemical cell having low profile seal assembly An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte, the can having an open end and a closed end; a pressure rel... | 09/25/2001 |
| 6287719 | Battery including a non-aqueous multi-cell spiral-wound electrode assembly A battery construction is disclosed that includes a housing and a spiral-wound electrode assembly disposed in the housing and defining at least two electrochemical cells that are electrically connected in series. Both of the cells include wound layers of ... | 09/11/2001 |
| 6265101 | Battery constructions having increased internal volume for active components An electrochemical cell constructed in accordance with the present invention includes a can for containing electrochemical materials including positive and negative electrodes and an electrolyte, the can having an open end and a closed end; a pressure rel... | 07/24/2001 |
| 6256853 | Crimping die employing powered chuck A forming die includes a base and at least two die segments. At least a first one of the die segments is moveably mounted to the base for shifting between closed and opened positions. The die segments together define a cavity having an opening when the fi... | 07/10/2001 |
| 6258132 | Process for producing in an alkaline cell an in situ silver layer on a cathode container The present invention is a process for producing a silver layer, in situ, on an internal wall of a cathode container of an alkaline cell and the alkaline cell produced by the process. In the process a silver compound is dissolved in the cathode, which is ... | 07/10/2001 |
| 6257402 | Package having vapor pressure control for batteries A package for storing one or more batteries comprising a container defining an encapsulated hollow region and having walls that provide a first vapor permeability. The package contains an air cell or air-assisted cell battery housed within the container. ... | 07/10/2001 |
| 6251536 | Electrochemical cell having beaded can An electrochemical cell having a container with a closed bottom end, an open top end, and side walls extending between the bottom and top ends. The container has a plurality of beads extending radially inward formed near the open top end. Electrochemicall... | 06/26/2001 |
| 6248472 | Electrochemical cell formed with can having walls extending radially inward An electrochemical cell is provided having a non-cylindrical container including one or more side walls each having a curved surface that curves radially inward. The electrochemical cell further includes first and second electrodes and a separator dispose... | 06/19/2001 |
| 6218054 | Dioxolane and dimethoxyethane electrolyte solvent system An electrolyte solvent system for use in electrochemical cells in which the electrolyte solvent system consists essentially of a dioxolane-based solvent and a dimethoxyethane-based solvent in a weight ratio of about 1:3. Also disclosed are electrolyte sol... | 04/17/2001 |
| 6081992 | Electrochemical cell formed with big mouth open end can Assembly of an electrochemical cell using a prismatic steel can having an enlarged circular opening at one end. The active materials of this cell including the cathode are disposed into the prismatic can through the circular opening, and the circular open... | 07/04/2000 |
| 6074781 | Electrochemical cell having increased anode-to-cathode interface area An electrochemical cell having a large anode-to-cathode interface area which achieves low current density to provide high cell efficiency. The electrochemical cell includes a can containing a first electrode and a second electrode. The first electrode has... | 06/13/2000 |
| 6054233 | Destruction controlling mechanism for an electrochemical cell An electrochemical cell is disclosed that includes a cell housing and a spiral-wound electrode assembly including wound alternating layers of a positive electrode, a separator, and a negative electrode. The electrochemical cell further includes a destruct... | 04/25/2000 |
| 6051337 | Miniature galvanic cell having optimum low surface area conductive collector A miniature galvanic cell employing a cup-insulating member-current collector assembly, preferably a plastic insulating member and low surface area current collector, to prevent or minimize the formation of gases, such as hydrogen, on the current collecto... | 04/18/2000 |
| 6033799 | Miniature galvanic cell having optimum internal volume for the active components A miniature galvanic cell tube employing a cup-tube assembly, preferably a shrunk tube, in which the tube occupies a minimum volume so that the internal volume of the cell can be maximized to contain the acting components of this cell and a process for pr... | 03/07/2000 |
| 5985479 | Electrochemical cell having current path interrupter An electrochemical cell having a cell housing containing active components of the cell and having an inner cover and vent passage provided in the inner cover. A vent with a seal member is force-fitted within the vent passage. A current interrupt contact i... | 11/16/1999 |
