The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7258949 | Bipolar battery and a method for manufacturing a bipolar battery The present invention relates to a bipolar battery, especially a NiMH battery, having: a sealed housing, a negative end terminal, a positive end terminal, and at least one biplate assembly comprising a biplate, a positive and a negative electrode. A separator is arr... | 08/21/2007 |
| 7137644 | Collapsible golf cart A golf cart including a frame having a first portion and a second portion. A front wheel mount is pivotally connected to the first portion of the frame and is pivotable about a first axis. A front wheel is rotatably connected to the front wheel mount, allowing for r... | 11/21/2006 |
| 7097935 | Rechargeable battery A rechargeable battery includes a housing having at least two cells and a cover which closes the housing. The cover includes a lower part which is coupled to the housing, an upper part which is arranged at a distance from the lower part and closes the lower part for... | 08/29/2006 |
| 7097937 | Bipolar battery and biplate assembly The present invention relates to a bipolar battery having at least two battery cells comprising: a sealed housing, a negative end terminal, a positive end terminal, at least one biplate assembly arranged in a sandwich structure between said negative and positive end... | 08/29/2006 |
| 6890681 | Leak resistant automotive battery A leak resistant automotive battery comprising a housing containing cells having filling plugs; a battery cover sealed to an opened top end of the housing and having filling holes overlying the respective cells; at least one partition wall provided in the battery co... | 05/10/2005 |
| 6881513 | Leak retardant automotive battery A leak retardant automotive battery includes a housing containing a plurality of cells that each have a filling plug and a battery cover closing the housing above the cells. The battery cover includes a central blockage that divides the housing into two compartments... | 04/19/2005 |
| 6660426 | Multi-cell storage battery with gas vent in a cover assembly This invention relates to a multi-cell storage battery including a housing and, enclosing the housing in gas-tight fashion, a housing cover assembly having an upper cover panel and a lower cover panel with a degassing duct between the upper and lower cove... | 12/09/2003 |
| 6541151 | Battery assembly system used for electric vehicle A battery assembly system used for an electric vehicle having a configuration in which electrolyte is not released from an exhaust passage even if the electrolyte is released in a mist state from a cell. A battery assembly case is provided behind a rear s... | 04/01/2003 |
| 6410177 | Fuel cell having gas manifold Each of gas manifolds which are disposed on the side surfaces of a cell stack 10 is constituted by integrating a plate-like heat insulating member 21 disposed on the outer surface of the cell stack 10 and a heat and phosphoric acid resisting sheet member ... | 06/25/2002 |
| 6277517 | Electrolyte baffling plug A battery of the type having electrolyte therein, comprising a case defining at least one electrolyte containing cell, and a primary cover bonded to the case. The primary cover has a barrel extending into the electrolyte cell. A secondary cover is bonded ... | 08/21/2001 |
| 6120931 | Lead-acid accumulator, particularly for motor vehicles The accumulator comprises a container or vessel with a plurality of holes which define vent ducts for the gases developed in the accumulator. A filtering element is provided in each duct for allowing gases to pass through but preventing the electrolyte fr... | 09/19/2000 |
| 6066411 | Cover device for a storage battery A cover device is adapted for use with a casing which has an open top end, and a confining wall which confines an interior that is divided into a plurality of cell compartments by partition plates. The cover device includes a lower cover body with a top w... | 05/23/2000 |
| 6045940 | Flooded lead acid battery with tilt-over capability In a battery configuration including a casing having bottom, side and top surfaces, the top surface having a plurality of cell openings therein, an improved flowpath is provided for liquid electrolyte when the battery is tilted onto any one of its side su... | 04/04/2000 |
| 5843593 | Leak resistant battery cover The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the atmospheric vent. The labyrinth is configured to provide a portio... | 12/01/1998 |
| 5840439 | Battery cover The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover sealably engages a conventional battery housing having multiple cells separated by internal housing walls. The cover has a substantially flat inte... | 11/24/1998 |
| 5731100 | Battery cover The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover sealably engages a conventional battery housing having multiple cells separated by internal housing walls. The cover has a substantially flat inte... | 03/24/1998 |
| 5702841 | Electrolyte venting system with tubular splash guards A battery cover for a battery casing has a plurality of electrolyte containing cells, a primary cover and a secondary cover. The primary cover has a plurality of barrels arranged along a longitudinal axis and the secondary cover has a plurality of tubular... | 12/30/1997 |
| 5683830 | Leak resistant battery cover The present invention is directed to a leak resistant battery cover for storage batteries. The battery cover provides a labyrinth of passages which provide a path from each cell vent to the atmospheric vent. The labyrinth is configured to provide a portio... | 11/04/1997 |
| 5601943 | Module for an aqueous battery system A module for liquid electrolyte, electric energy storing devices. The module includes a double-walled container having an innerwall and an outerwall and a rim. The container includes a first well for holding liquid electrolyte electric energy storing devi... | 02/11/1997 |
| 5565282 | Battery gang vent system A multiple vent plug assembly for vent ports of an electrical storage battery, the assembly includes a gang vent insert having a base wall and an upstanding peripheral rim defining a pair of side walls and a pair of end walls; an overcap including an inne... | 10/15/1996 |
| 5516602 | Exhaust structure of storage battery An exhaust structure of this invention is composed of plural exhaust structure elements which are installed in a cover and arranged in horizontal positions facing on cell chambers. The exhaust structure element is provided with a gas intake chamber, a ref... | 05/14/1996 |
| 5424146 | Storage battery with a battery housing that provides protection against leakage A storage battery has a battery housing which includes a rectangular casing with an open top end and a plurality of cell compartments, and a cover device sealed to the open top end of the casing. The cover device includes a main cover part and a sub-cover... | 06/13/1995 |
| 5380604 | Lead accumulator A lead accumulator has a housing with a frontside, a backside, a first and second end faces, and a bottom. The housing has a plurality of cells containing acid. A lid is provided for closing the housing. The lid comprises an upper lid and a lower lid spac... | 01/10/1995 |
| 5344723 | Bipolar electrode for batteries Bipolar electrode is provided with a conductive support/separator perforated on a part which is free from active material with at least one opening which communicates by a gaseous environment in a battery between elements assembled in series. The opening ... | 09/06/1994 |
| 5281492 | Cover device of a storage battery A cover device for a storage battery includes a sub-cover that includes a flat bottom with a plurality of first vent-holes, a top portion and a connecting wall which interconnects the flat bottom and the top portion to define a space therein. The cover de... | 01/25/1994 |
| 4851305 | Cover assemblies for electric storage batteries and batteries utilizing such cover assemblies A cover assembly for a multicell, lead-acid electric storage battery, which is capable of having each cell independently pressure checked for leaks by using pressure testing equipment having a pressure head tip is provided, which cover assembly comprises ... | 07/25/1989 |
| 4614694 | Electrolyte battery anti-splash system The subject invention provides a baffle capable of floating on the electrolyte in a battery cell, and diverts with that floating baffle any splashing electrolyte away from a gas venting device at the top of the cell, particularly during vibration of that ... | 09/30/1986 |
| 4486515 | Storage battery electrolyte leak and over-replenishment preventing device This invention relates a new storage battery electrolyte leak and over-replenishment preventing device characterized by composing a cover with new leak-proof plates, liquid storage troughs, U conduits and a ledge for filling holes and lowering the ledge t... | 12/04/1984 |
| 4460661 | Arrangement for sealing a storage battery casing The present invention relates to an arrangement for sealing a storage battery casing having at least one opening in the lid or cover (5) thereof, with the aid of a sealing plug (2) provided for each opening and retained in a sleeve-like fitting (1) surrou... | 07/17/1984 |
| 4348466 | Anti-spill device for electrolyte battery An anti-spill arrangement is disclosed for a liquid electrolyte battery. The device comprises a chamber configuration or arrangement for containing electrolyte associated with a battery cell, when a battery is tipped toward or onto any one of its sides. T... | 09/07/1982 |
| 4315058 | Vent plugs for electric storage batteries A vent plug includes a thermophastic tubular body for insertion in an aperture in the lid of a battery. The vent plug has at its upper end an integral lid with a gas venting aperture formed therein. A removable insert is secured within the tubular body an... | 02/09/1982 |
| 4306002 | Multiple cell vent cap for a storage battery A vent cap for a storage battery, which vent cap includes a base portion and a cover portion which are retained to each other to provide a gas collecting enclosure. The base portion comprises a tray and peripherally extending walls, and is divided into a ... | 12/15/1981 |
| 4294895 | Battery vent cap for preventing electrolyte foam escape A battery vent cap is presented for releasing gases from a battery container while preventing the escape of electrolyte foam. The cap comprises a strategically located reservoir containing an antifoam agent for dissipating foam attempting to escape. Furth... | 10/13/1981 |
| 4252870 | Vent for battery of self-powered folding golf cart Means for inhibiting the escape of liquid from a liquid electrolyte battery having at least one fluid vent, wherein the battery is subject to frequent partial rotation about a horizontal axis, such as in the mounting of a power-assisted manually operated ... | 02/24/1981 |
| 4091180 | Vent system with flame arresting capability A vent system for an electric storage battery having a flame arresting capability to minimize the possibility of battery explosion from ignition of explosive gases flowing from the vent plug. The vent system includes a vent plug design having an internal ... | 05/23/1978 |