Resources Contact Us Home
Browse by Category: Main > Chemistry
Class Information
Number: 429/405
Name: Chemistry: electrical current producing apparatus, product, and process >

Sub-classes under this class:

Class Number Class Name Patents
429/ Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts 0
429/1 Having polarity safety feature 127
429/10 Having magnetic field feature 61
429/101 Fluid active material or two-fluid electrolyte combination having areas of nonmixture 529
429/11 Current production dependent upon temperature differential between a pair of electrodes 37
429/110 Deferred action type 48
429/12 Fuel cell, subcombination thereof or methods of operating 751
429/120 With heat exchange feature 678
429/121 Adjuncts in combination with or for connection to an external electrical electric current carrying member of a battery other than terminal protectors, e.g., terminal adapter, caps, lifters, etc. and connectors per se 325
429/122 Current producing cell, elements, subcombinations and compositions for use therewith and adjuncts 402
429/2 Having living matter, e.g., microorganism, etc. 75
429/3 Having pulse feature 28
429/4 With sonic or ultrasonic feature 21
429/47 Having earth feature 10
429/48 Preserving cell in storage feature 105
429/49 Regenerating, salvage or repair feature other than only addition of electrolyte to cell or electrically charging per se 211
429/5 Radio active material containing 37
429/50 Process of cell operation 356
429/53 Means externally releasing internal gas pressure from closed cell, i.e., valve etc. 365
429/57 Sealed cell having gas prevention or elimation means 247
429/6 With pressure equalizing means for liquid immersion operation 15
429/61 With control means responsive to battery condition sensing means 424
429/65 Terminal protector other than seal through casing 139
429/66 Having means to accommodate electrode expansion 163
429/67 Having movable mechanical means to provide relative motion between electrode and electrolyte 47
429/7 With nonbattery electrical component electrically connected within cell casing other than testing or indicating components 464
429/71 With system having means to move ventilating fluid 95
429/72 Having specified venting, feeding or circulation structure (other than feeding or filling for activating deferred action-type battery) 341
429/8 Having disparate nonelectrical function 49
429/9 Having diverse cells or diverse removable cells in a support means 259
429/90 With measuring, testing, or indicating means 359
429/94 Plural concentric or single coiled electrode 676
429/95 Having means for draining or removing electrolyte from a cell other than filler opening 28
429/96 Cell support for removable cell 537

Patents under this class:

Patent Number Title Of Patent Date Issued
8709667 Magnesium metal-air battery Apr. 29, 2014
8685574 Microporous Layer Apr. 1, 2014
8685575 Air cathode for metal-air fuel cells Apr. 1, 2014
8669012 Anode and battery Mar. 11, 2014
8652692 Li/Air non-aqueous batteries Feb. 18, 2014
8652707 Process for producing tubular ceramic structures of non-circular cross section Feb. 18, 2014
8637195 Battery with multilayer electrode Jan. 28, 2014
8632921 Electrochemical cell with diffuser Jan. 21, 2014
8632924 Solid oxide fuel cells and manufacturing method thereof Jan. 21, 2014
8632920 Air secondary battery Jan. 21, 2014
8623565 Assembly of bifurcation and trifurcation bipolar plate to design fuel cell stack Jan. 7, 2014
8617750 Metal air battery including a composite anode Dec. 31, 2013
8597594 Apparatus for fragmenting nucleic acids Dec. 3, 2013
8592092 Battery Nov. 26, 2013
8574774 Negative electrode and aluminum air cell Nov. 5, 2013
8557475 Air battery module Oct. 15, 2013
8557449 Cathode for metal-air rechargeable battery Oct. 15, 2013
8546028 Electrochemical cell, and particularly a cell with electrodeposited fuel Oct. 1, 2013
8530108 Composite membrane, fuel cell and method of making composite membrane Sep. 10, 2013
8518604 Metal fluoride and phosphate nanocomposites as electrode materials Aug. 27, 2013
8501036 Silica gel compositions containing alkali metals and alkali metal alloys Aug. 6, 2013
8475969 High power density, ultra-light power generator Jul. 2, 2013
8435683 Internal reforming solid oxide fuel cells May. 7, 2013
8435312 Calcium hexaboride anodes for electrochemical cells May. 7, 2013
8377374 Hydrogen-absorbing alloy and electrode for nickel-metal hydride secondary batteries Feb. 19, 2013
8361663 Porous carbon structure, method for preparing same, electrode catalyst for fuel cell, and electrode and membrane-electrode assembly including same Jan. 29, 2013
8309259 Electrochemical cell, and particularly a cell with electrodeposited fuel Nov. 13, 2012
8304121 Primary aluminum hydride battery Nov. 6, 2012
8304129 Solid electrolyte fuel cell including a first cathode layer and a second cathode layer Nov. 6, 2012
8304145 High tortuosity diffusion medium Nov. 6, 2012
8298717 Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them Oct. 30, 2012
8288042 Electric power generation device Oct. 16, 2012
8247130 Solid oxide electrochemical cell and processes for producing the same Aug. 21, 2012
8202669 Electro-catalyst compositions for fuel cells Jun. 19, 2012
8173307 Metal-air fuel cell and power source therefor May. 8, 2012
8168337 Electrochemical cell, and particularly a metal fueled cell with non-parallel flow May. 1, 2012
8163437 Anode with ceramic additives for molten carbonate fuel cell Apr. 24, 2012
8153308 Hydrogen storage electrode Apr. 10, 2012
8148029 Electrode for fuel cell and fuel cell using the same Apr. 3, 2012
8148020 Molybdenum/air battery and cell design Apr. 3, 2012
8142920 Ceramic, flexible membrane providing improved adhesion to the support fleece Mar. 27, 2012
8142938 Porous clusters of silver powder promoted by zirconium oxide for use as a catalyst in gas diffusion electrodes, and method for the production thereof Mar. 27, 2012
8124297 Solid polymer fuel cell and method for producing MEA used for solid polymer fuel cell Feb. 28, 2012
8119295 Metal oxygen battery containing oxygen storage materials Feb. 21, 2012
8105722 Fuel cell system suitable for organic fuels and a method of operation of the same Jan. 31, 2012
8100313 Source blank for stainless steel three-ply clad sheet, production methods of clad steel plate and sheet for solid polymer type fuel cell separator, and solid polymer type fuel cell separator Jan. 24, 2012
8097380 Fuel cell body, fuel cell unit, fuel cell stack, and fuel cell device including each of them Jan. 17, 2012
8076041 Fuel cell Dec. 13, 2011
8057939 Electrical power generator Nov. 15, 2011
8012633 Advanced metal-air battery having a ceramic membrane electrolyte Sep. 6, 2011

  Recently Added Patents
Error recovery storage along a memory string
Information distribution system, information distributing method, node, and recording medium
Roll of continuous web of optical film laminate and production method therefor
Current collector for lead acid battery
Systems and methods of device-free motion detection and presence detection
Mobile interactive kiosk method
Integrated circuit packaging system with an encapsulation and method of manufacture thereof
  Randomly Featured Patents
Abrasion resistant UV-curable hardcoat compositions
Bioactive metabolites from cribrochalina vasculum
Ring protector
Dynamic response form symbology processing
Microgyroscope with vibratory structure having a multitude of grooves
Decorative hollow tubing for use in furniture manufacture and method for manufacturing
Lace system for footwear
Electric heater
Process for the manufacture of insulin, analogs and derivatives thereof
Thienoimidazoppyridone derivatives