ClassID:

213404

H01M8/0258 - page 7 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof; Details; Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant

Recent Application in this class:
#1801
20050271909
2005-12-08

Flow field plate for use in fuel cells

#1802
20050267004
2005-12-01

Composition and method for surface treatment of oxidized metal

#1803
20050266295
2005-12-01

Compact fuel cell separator incorporating fluid oxidant supply means, a fuel cell device and an electronic applied device incorporating the compact fuel cell separator

#1804
20050255375
2005-11-17

Fuel cell

#1805
20050255371
2005-11-17

Fuel cell

#1806
20050255369
2005-11-17

Bonded polyimide fuel cell package

#1807
20050255366
2005-11-17

Variable active area for fuel cell

#1808
20050255365
2005-11-17

Fuel cell

#1809
20050255364
2005-11-17

Bipolar plate of fuel cell

#1810
20050249996
2005-11-10

Fuel cell assemblies using metallic bipolar separators

#1811
20050244703
2005-11-03

Channel-based electrochemical cassettes

#1812
20050244702
2005-11-03

Separator and fuel cell using that separator

#1813
20050244700
2005-11-03

Hybrid bipolar plate assembly and devices incorporating same

#1814
20050244689
2005-11-03

Separator and fuel cell system using that separator

#1815
20050238943
2005-10-27

Fuel cell stack

#1816
20050238942
2005-10-27

Fuel cell and separator thereof

#1817
20050233201
2005-10-20

Polymer electrolyte fuel cell

#1818
20050233193
2005-10-20

Fuel cell stack comprising a counterflowing cooling system and a plurality of coolant-collecting ducts located parallel to the axis of the stack

#1819
20050227134
2005-10-13

Offset interconnect for a solid oxide fuel cell and method of making same

#1820
20050221154
2005-10-06

Fuel cell reactant flow fields that maximize planform utilization

#1821
20050221151
2005-10-06

Fuel cell

#1822
20050221150
2005-10-06

Honeycomb structure and method for production of said structure

#1823
20050221149
2005-10-06

Fuel cell stack

#1824
20050221138
2005-10-06

Fuel cell system

#1825
20050214626
2005-09-29

Solid polymer fuel cell

#1826
20050214624
2005-09-29

Bipolar plate assembly, fuel cell stacks and fuel cell systems incorporating the same

#1827
20050214623
2005-09-29

Lightweight fuel cell plates

#1828
20050214618
2005-09-29

Separator for fuel cell using a metal plate coated with titanium nitride, method for manufacturing the same, and polymer electrolyte membrane fuel cell comprising the separator

#1829
20050214607
2005-09-29

Polymer electrolyte fuel cell power generation system and stationary co-generation system using the same

#1830
20050208361
2005-09-22

Method for joining laser transmitting resin member and porous member, method for joining thermoplastic resin, and fuel cell

#1831
20050202298
2005-09-15

Fuel cell

#1832
20050194720
2005-09-08

Fuel cell stack having a featured interconnect element

#1833
20050191541
2005-09-01

Fuel cell system with flow field capable of removing liquid water from the high-pressure channels

#1834
20050191539
2005-09-01

Fuel cell

#1835
20050186465
2005-08-25

Fuel cell system and stack used therein

#1836
20050186464
2005-08-25

Fuel cell

#1837
20050186459
2005-08-25

Fuel cell

#1838
20050186455
2005-08-25

Micro fuel cell system start up and shut down systems and methods

#1839
20050181266
2005-08-18

Fuel cell assembly and a separator therefor

#1840
20050181264
2005-08-18

Water management layer on flowfield in PEM fuel cell

#1841
20050175888
2005-08-11

Fuel cell assembly, separator-diffusion layer assembly for fuel cell assembly and manufacturing method therefor

#1842
20050175882
2005-08-11

Fuel cell assembly and method for bonding a separator and an electrolyte layer of a fuel cell assembly

#1843
20050170234
2005-08-04

Solid oxide fuel cell with internal reforming, catalyzed interconnect for use therewith, and methods

#1844
20050170232
2005-08-04

Durable, low transient resistence between bipolar plate and diffusion media

#1845
20050170228
2005-08-04

Solid polymer electrolyte fuel cell system and operation method therefor

#1846
20050170225
2005-08-04

Vehicle-mounted fuel cell stack

#1847
20050164071
2005-07-28

Fuel cell

#1848
20050164070
2005-07-28

Extruded bipolar plates

#1849
20050164062
2005-07-28

Cooling apparatus for fuel cell and fuel cell system having the same

#1850
20050164059
2005-07-28

Local vapor fuel cell

#1851
20050164049
2005-07-28

Storing water in substrates for frozen, boot-strap start of fuel cells

#1852
20050158603
2005-07-21

Ultra short high pressure gradient flow path flow field

#1853
20050158599
2005-07-21

Fuel cell

#1854
20050158597
2005-07-21

Deterioration diagnosis of fuel cell seal member

#1855
20050153184
2005-07-14

Bipolar plate with cross-linked channels

#1856
20050153174
2005-07-14

Monitor device for fuel cell

#1857
20050147870
2005-07-07

Fuel cell with a tension in an in-plane direction

#1858
20050147858
2005-07-07

Apparatus for seperation or synthesis of process substances

#1859
20050147855
2005-07-07

Procedure for starting up a fuel cell system using a fuel purge

#1860
20050142427
2005-06-30

Fuel cell

#1861
20050142425
2005-06-30

Fuel cell and fuel cell stack

#1862
20050142424
2005-06-30

Fuel cell and fuel cell stack

#1863
20050142423
2005-06-30

Fuel cell and fuel cell stack

#1864
20050142422
2005-06-30

Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surface

#1865
20050142420
2005-06-30

Fuel cell with passive water balance

#1866
20050142416
2005-06-30

Fuel cell

#1867
20050142399
2005-06-30

Procedure for starting up a fuel cell using a fuel purge

#1868
20050136319
2005-06-23

Fuel cell and fuel cell stack

#1869
20050136316
2005-06-23

Fuel cell and fuel cell stack

#1870
20050136315
2005-06-23

Polymer electrolyte membrane fuel cell and bipolar plate

#1871
20050136312
2005-06-23

Compliant fuel cell system

#1872
20050136306
2005-06-23

Fuel cell with separator having a ridge member

#1873
20050133568
2005-06-23

Bipolar plate fabrication

#1874
20050130015
2005-06-16

Molten carbonate fuel cell and method for production thereof

#1875
20050130014
2005-06-16

Bipolar plate of fuel cell and fabrication method thereof

#1876
20050129999
2005-06-16

Permeable inlet fuel gas distributor for fuel cells

#1877
20050129996
2005-06-16

Regenerative electrochemical cell system and method for use thereof

#1878
20050123822
2005-06-09

Separator for fuel cell and process for producing the same

#1879
20050123821
2005-06-09

Distributed feed fuel cell stack

#1880
20050123819
2005-06-09

Fuel cell and method for manufacture thereof

#1881
20050118490
2005-06-02

Fuel cell

#1882
20050118489
2005-06-02

Modified gas outlet for improved reactant handling in fuel cell separator plates

#1883
20050112422
2005-05-26

Fuel cell and fuel cell separator

#1884
20050110201
2005-05-26

Gas delivery substrate

#1885
20050106448
2005-05-19

Fuel cell having stack structure

#1886
20050106444
2005-05-19

Fuel cell and separator for cooling used therein

#1887
20050106443
2005-05-19

Electrical interconnect for a fuel cell stack

#1888
20050104243
2005-05-19

Method of forming impressions in a flexible graphite material

#1889
20050102819
2005-05-19

Surface film structure of a metallic bipolar plate for fuel cells and a method for producing the same

#1890
20050100774
2005-05-12

Novel electrical contact element for a fuel cell

#1891
20050098437
2005-05-12

USE OF CARBON COATING IN AN ELECTROCHEMICAL CELL

#1892
20050095493
2005-05-05

Fuel cell

#1893
20050089748
2005-04-28

Silicon-based fuel cell electrode structures

#1894
20050089737
2005-04-28

PEM fuel cell stack assembly with isolated internal coolant manifold

#1895
20050084731
2005-04-21

Fuel cell with humidifier

#1896
20050084725
2005-04-21

Multi-cell fuel cell layer and system

#1897
20050081930
2005-04-21

Single valve fuel cell stack gas flow and containment

#1898
20050079400
2005-04-14

Fuel cell having closure seal

#1899
20050069751
2005-03-31

Polymer electrolyte fuel cell and related method

#1900
20050069749
2005-03-31

Flow field plate arrangement

#1901
20050064273
2005-03-24

Fuel cell stack and fuel cell module

#1902
20050064272
2005-03-24

Fuel cell flow field plate

#1903
20050064270
2005-03-24

Fuel cell bipolar separator plate

#1904
20050064266
2005-03-24

Modular fuel cell cartridge and stack

#1905
20050064261
2005-03-24

Internal PEM fuel cell water management

#1906
20050061151
2005-03-24

Fuel cell gas separator plate with paths of electrically conductive material of a silver-glass composite

#1907
20050058878
2005-03-17

Method for the production of bipolar plates or electrode plates for fuel cells or electrolyzer stacks, method for the production of a stack of bipolar plates or electrode plates, as well as a bipolar plate or electrode plate

#1908
20050058864
2005-03-17

Nested bipolar plate for fuel cell and method

#1909
20050053810
2005-03-10

Method and system for starting up fuel cell stack at subzero temperatures, and method of designing fuel cell stack

#1910
20050053807
2005-03-10

Method of operating a fuel cell system under freezing conditions

#1911
20050048354
2005-03-03

Fuel cell temperature control by evaporative cooling

#1912
20050048351
2005-03-03

Fuel cell fluid flow field plates

#1913
20050048350
2005-03-03

Method and apparatus for vacuum pressing electrochemical cell components

#1914
20050048344
2005-03-03

Fuel cell casing and fuel cell

#1915
20050048333
2005-03-03

Multiple stage combustion process to maintain a controllable reformation temperature profile

#1916
20050048332
2005-03-03

Multiple stage combustion process to maintain a controllable reformation temperature profile

#1917
20050042497
2005-02-24

Electrochemical fuel cell stack with improved reactant manifolding and sealing

#1918
20050042495
2005-02-24

Fuel cell with encapsulated electrodes

#1919
20050042492
2005-02-24

Fuel cell stack

#1920
20050037935
2005-02-17

Composition and method for surface treatment of oxidized metal

#1921
20050037253
2005-02-17

Integrated bipolar plate heat pipe for fuel cell stacks

#1922
20050035174
2005-02-17

Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same

#1923
20050031936
2005-02-10

Symmetrical flow field plates

#1924
20050031917
2005-02-10

Hydrogen passivation shut down system for a fuel cell power plant

#1925
20050031914
2005-02-10

PEM fuel cell with high porosity hydrophilic water transport plates and temperature increase before shutdown in environment which may reach subfreezing temperatures

#1926
20050026015
2005-02-03

Micro heat pipe embedded bipolar plate for fuel cell stacks

#1927
20050019646
2005-01-27

Complementary active-surface feed flow

#1928
20050019643
2005-01-27

Fuel cell stack

#1929
20050014059
2005-01-20

Micro fuel cell architecture

#1930
20050014048
2005-01-20

Flow field pattern for fuel cell stack separator plates

#1931
20050014046
2005-01-20

Fuel cell with integrated heat exchanger

#1932
20050014040
2005-01-20

Fuel preheat in fuel cells and portable electronics

#1933
20050008925
2005-01-13

Fuel cell

#1934
20050008921
2005-01-13

Fluid flow plate for fuel cell

#1935
20050008913
2005-01-13

Ionic conduction device

#1936
20050008912
2005-01-13

Cooling of air-cooled fuel cell system

#1937
20050008911
2005-01-13

Micro fuel cell thermal management

#1938
20050008909
2005-01-13

Efficient micro fuel cell systems and methods

#1939
17566292
2023-08-15

Advanced selectively gas permeable anode flow field design for efficient removal of carbon dioxide in a fuel cell

#1940
15905573
2022-01-25

Advanced selectively gas permeable anode flow field design for efficient removal of carbon dioxide in a direct formic acid fuel cell