
Dah Wei D. Yuan
Supervisory Patent Examiner (ID: 10199, Phone: (571)272-1295 , Office: P/1717 )
| Most Active Art Unit | 1745 |
| Art Unit(s) | 1795, 1727, 1717, 1745 |
| Total Applications | 504 |
| Issued Applications | 341 |
| Pending Applications | 54 |
| Abandoned Applications | 113 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 6864989
[patent_doc_number] => 20030190515
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-09
[patent_title] => 'Corrosion resistant metallic bipolar plate'
[patent_app_type] => new
[patent_app_number] => 10/403472
[patent_app_country] => US
[patent_app_date] => 2003-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2300
[patent_no_of_claims] => 20
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[patent_words_short_claim] => 26
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0190/20030190515.pdf
[firstpage_image] =>[orig_patent_app_number] => 10403472
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/403472 | Corrosion resistant metallic bipolar plate | Mar 30, 2003 | Issued |
Array
(
[id] => 694074
[patent_doc_number] => 07070876
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-07-04
[patent_title] => 'Membrane electrode assembly with integrated seal'
[patent_app_type] => utility
[patent_app_number] => 10/395874
[patent_app_country] => US
[patent_app_date] => 2003-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 5845
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[patent_words_short_claim] => 268
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/070/07070876.pdf
[firstpage_image] =>[orig_patent_app_number] => 10395874
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/395874 | Membrane electrode assembly with integrated seal | Mar 23, 2003 | Issued |
Array
(
[id] => 7201116
[patent_doc_number] => 20040086768
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-06
[patent_title] => 'Fuel cells'
[patent_app_type] => new
[patent_app_number] => 10/391547
[patent_app_country] => US
[patent_app_date] => 2003-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 6716
[patent_no_of_claims] => 70
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0086/20040086768.pdf
[firstpage_image] =>[orig_patent_app_number] => 10391547
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/391547 | Fuel cells | Mar 16, 2003 | Abandoned |
Array
(
[id] => 612281
[patent_doc_number] => 07147675
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-12
[patent_title] => 'Method and device for filling volatile liquids into the housing of electric components and for sealing the housing'
[patent_app_type] => utility
[patent_app_number] => 10/386172
[patent_app_country] => US
[patent_app_date] => 2003-03-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3117
[patent_no_of_claims] => 15
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[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/147/07147675.pdf
[firstpage_image] =>[orig_patent_app_number] => 10386172
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/386172 | Method and device for filling volatile liquids into the housing of electric components and for sealing the housing | Mar 9, 2003 | Issued |
Array
(
[id] => 6808931
[patent_doc_number] => 20030198870
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-23
[patent_title] => 'Electrolytic composition and non-aqueous electrolytic secondary battery'
[patent_app_type] => new
[patent_app_number] => 10/374075
[patent_app_country] => US
[patent_app_date] => 2003-02-27
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0198/20030198870.pdf
[firstpage_image] =>[orig_patent_app_number] => 10374075
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/374075 | Electrolytic composition and non-aqueous electrolytic secondary battery | Feb 26, 2003 | Abandoned |
Array
(
[id] => 6796691
[patent_doc_number] => 20030175565
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-18
[patent_title] => 'Solid oxide fuel cell system and a method for controlling the same'
[patent_app_type] => new
[patent_app_number] => 10/367872
[patent_app_country] => US
[patent_app_date] => 2003-02-19
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0175/20030175565.pdf
[firstpage_image] =>[orig_patent_app_number] => 10367872
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/367872 | Solid oxide fuel cell system and a method for controlling the same | Feb 18, 2003 | Abandoned |
Array
(
[id] => 7677855
[patent_doc_number] => 20040151971
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-08-05
[patent_title] => 'PEM fuel cell with flow-field having a branched midsection'
[patent_app_type] => new
[patent_app_number] => 10/356672
[patent_app_country] => US
[patent_app_date] => 2003-01-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 2940
[patent_no_of_claims] => 6
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[pdf_file] => publications/A1/0151/20040151971.pdf
[firstpage_image] =>[orig_patent_app_number] => 10356672
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/356672 | PEM fuel cell with flow-field having a branched midsection | Jan 30, 2003 | Abandoned |
Array
(
[id] => 6710776
[patent_doc_number] => 20030170525
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-11
[patent_title] => 'Heterogeneous composite bipolar plate of a fuel cell'
[patent_app_type] => new
[patent_app_number] => 10/352474
[patent_app_country] => US
[patent_app_date] => 2003-01-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2614
[patent_no_of_claims] => 39
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0170/20030170525.pdf
[firstpage_image] =>[orig_patent_app_number] => 10352474
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/352474 | Heterogeneous composite bipolar plate of a fuel cell | Jan 27, 2003 | Issued |
Array
(
[id] => 7396661
[patent_doc_number] => 20040018415
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-29
[patent_title] => 'Flat fuel cell assembly and connection structure thereof'
[patent_app_type] => new
[patent_app_number] => 10/348175
[patent_app_country] => US
[patent_app_date] => 2003-01-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => publications/A1/0018/20040018415.pdf
[firstpage_image] =>[orig_patent_app_number] => 10348175
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/348175 | Flat fuel cell assembly and connection structure thereof | Jan 21, 2003 | Abandoned |
Array
(
[id] => 6787447
[patent_doc_number] => 20030138686
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-24
[patent_title] => 'Fuel cell separator production method, fuel cell separators, and polymer electrolyte fuel cells'
[patent_app_type] => new
[patent_app_number] => 10/347277
[patent_app_country] => US
[patent_app_date] => 2003-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4638
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0138/20030138686.pdf
[firstpage_image] =>[orig_patent_app_number] => 10347277
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/347277 | Fuel cell separator production method, fuel cell separators, and polymer electrolyte fuel cells | Jan 20, 2003 | Abandoned |
Array
(
[id] => 756981
[patent_doc_number] => 07014928
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-03-21
[patent_title] => 'Direct current/direct current converter for a fuel cell system'
[patent_app_type] => utility
[patent_app_number] => 10/346561
[patent_app_country] => US
[patent_app_date] => 2003-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3263
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/014/07014928.pdf
[firstpage_image] =>[orig_patent_app_number] => 10346561
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/346561 | Direct current/direct current converter for a fuel cell system | Jan 15, 2003 | Issued |
Array
(
[id] => 6710790
[patent_doc_number] => 20030170539
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-11
[patent_title] => 'Aqueous electrode binder and electrodes and fuel cells including same'
[patent_app_type] => new
[patent_app_number] => 10/345073
[patent_app_country] => US
[patent_app_date] => 2003-01-15
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0170/20030170539.pdf
[firstpage_image] =>[orig_patent_app_number] => 10345073
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/345073 | Aqueous electrode binder and electrodes and fuel cells including same | Jan 14, 2003 | Abandoned |
Array
(
[id] => 7350870
[patent_doc_number] => 20040048155
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-03-11
[patent_title] => 'Silver manganese oxide electrodes for lithium batteries'
[patent_app_type] => new
[patent_app_number] => 10/338175
[patent_app_country] => US
[patent_app_date] => 2003-01-07
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0048/20040048155.pdf
[firstpage_image] =>[orig_patent_app_number] => 10338175
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/338175 | Silver manganese oxide electrodes for lithium batteries | Jan 6, 2003 | Issued |
Array
(
[id] => 788037
[patent_doc_number] => 06986969
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-01-17
[patent_title] => 'Alkaline cell with flat housing and improved current collector'
[patent_app_type] => utility
[patent_app_number] => 10/336475
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[patent_app_date] => 2003-01-03
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/986/06986969.pdf
[firstpage_image] =>[orig_patent_app_number] => 10336475
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/336475 | Alkaline cell with flat housing and improved current collector | Jan 2, 2003 | Issued |
Array
(
[id] => 1024318
[patent_doc_number] => 06884548
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-04-26
[patent_title] => 'Nonaqueous electrolyte battery containing an alkali, transition metal negative electrode'
[patent_app_type] => utility
[patent_app_number] => 10/329418
[patent_app_country] => US
[patent_app_date] => 2002-12-27
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[pdf_file] => patents/06/884/06884548.pdf
[firstpage_image] =>[orig_patent_app_number] => 10329418
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/329418 | Nonaqueous electrolyte battery containing an alkali, transition metal negative electrode | Dec 26, 2002 | Issued |
Array
(
[id] => 6855960
[patent_doc_number] => 20030129461
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-10
[patent_title] => 'Method for operating a polymer electrolyte membrane fuel cell system, and an associated PEM fuel cell system'
[patent_app_type] => new
[patent_app_number] => 10/329973
[patent_app_country] => US
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[pdf_file] => publications/A1/0129/20030129461.pdf
[firstpage_image] =>[orig_patent_app_number] => 10329973
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/329973 | Method for operating a polymer electrolyte membrane fuel cell system, and an associated PEM fuel cell system | Dec 25, 2002 | Abandoned |
Array
(
[id] => 1073535
[patent_doc_number] => 06838199
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-01-04
[patent_title] => 'Start up system and method for a fuel cell power plant using a cathode electrode fuel purge'
[patent_app_type] => utility
[patent_app_number] => 10/329874
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/329874 | Start up system and method for a fuel cell power plant using a cathode electrode fuel purge | Dec 25, 2002 | Issued |
Array
(
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[patent_issue_date] => 2003-07-03
[patent_title] => 'Fuel cell stack'
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[firstpage_image] =>[orig_patent_app_number] => 10329117
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/329117 | Fuel cell stack having a bypass flow passage | Dec 23, 2002 | Issued |
Array
(
[id] => 6761039
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[patent_title] => 'Fuel cell power generation system and control method thereof'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/326275 | Fuel cell power generation system and control method thereof | Dec 22, 2002 | Issued |
Array
(
[id] => 6846555
[patent_doc_number] => 20030165722
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-04
[patent_title] => 'Microemulsion compositions for fuel cell reformer start-up'
[patent_app_type] => new
[patent_app_number] => 10/324209
[patent_app_country] => US
[patent_app_date] => 2002-12-20
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0165/20030165722.pdf
[firstpage_image] =>[orig_patent_app_number] => 10324209
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/324209 | Microemulsion compositions for fuel cell reformer start-up | Dec 19, 2002 | Abandoned |