
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] => 630220
[patent_doc_number] => 07132180
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-11-07
[patent_title] => 'Alkyl sorbitan emulsion compositions for fuel cell reformer start-up'
[patent_app_type] => utility
[patent_app_number] => 10/324208
[patent_app_country] => US
[patent_app_date] => 2002-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 4515
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/132/07132180.pdf
[firstpage_image] =>[orig_patent_app_number] => 10324208
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/324208 | Alkyl sorbitan emulsion compositions for fuel cell reformer start-up | Dec 19, 2002 | Issued |
Array
(
[id] => 744003
[patent_doc_number] => 07026068
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-04-11
[patent_title] => 'Positive electrode active material for lithium ion secondary battery'
[patent_app_type] => utility
[patent_app_number] => 10/320375
[patent_app_country] => US
[patent_app_date] => 2002-12-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 10414
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 18
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/026/07026068.pdf
[firstpage_image] =>[orig_patent_app_number] => 10320375
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/320375 | Positive electrode active material for lithium ion secondary battery | Dec 16, 2002 | Issued |
Array
(
[id] => 6668630
[patent_doc_number] => 20030113613
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-06-19
[patent_title] => 'High energy density rechargeable cell for medical device applications'
[patent_app_type] => new
[patent_app_number] => 10/320319
[patent_app_country] => US
[patent_app_date] => 2002-12-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 3706
[patent_no_of_claims] => 22
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[patent_words_short_claim] => 71
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0113/20030113613.pdf
[firstpage_image] =>[orig_patent_app_number] => 10320319
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/320319 | High energy density rechargeable cell for medical device applications | Dec 15, 2002 | Abandoned |
Array
(
[id] => 442288
[patent_doc_number] => 07255945
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-08-14
[patent_title] => 'Compact fuel cell system with efficient power generation performance'
[patent_app_type] => utility
[patent_app_number] => 10/316512
[patent_app_country] => US
[patent_app_date] => 2002-12-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
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[patent_no_of_words] => 5184
[patent_no_of_claims] => 15
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/255/07255945.pdf
[firstpage_image] =>[orig_patent_app_number] => 10316512
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/316512 | Compact fuel cell system with efficient power generation performance | Dec 9, 2002 | Issued |
Array
(
[id] => 6869732
[patent_doc_number] => 20030082421
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-05-01
[patent_title] => 'Liquid fuel-housing tank for fuel cell and fuel cell'
[patent_app_type] => new
[patent_app_number] => 10/315101
[patent_app_country] => US
[patent_app_date] => 2002-12-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 11338
[patent_no_of_claims] => 39
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0082/20030082421.pdf
[firstpage_image] =>[orig_patent_app_number] => 10315101
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/315101 | Liquid fuel-housing tank for fuel cell and fuel cell | Dec 9, 2002 | Issued |
Array
(
[id] => 1021099
[patent_doc_number] => 06887599
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-05-03
[patent_title] => 'Procedure for starting up a fuel cell system using a fuel purge'
[patent_app_type] => utility
[patent_app_number] => 10/305301
[patent_app_country] => US
[patent_app_date] => 2002-11-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 5696
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/887/06887599.pdf
[firstpage_image] =>[orig_patent_app_number] => 10305301
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/305301 | Procedure for starting up a fuel cell system using a fuel purge | Nov 25, 2002 | Issued |
Array
(
[id] => 6658688
[patent_doc_number] => 20030134164
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-17
[patent_title] => 'Procedure for shutting down a fuel cell system using air purge'
[patent_app_type] => new
[patent_app_number] => 10/305300
[patent_app_country] => US
[patent_app_date] => 2002-11-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 5869
[patent_no_of_claims] => 32
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0134/20030134164.pdf
[firstpage_image] =>[orig_patent_app_number] => 10305300
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/305300 | Procedure for shutting down a fuel cell system using air purge | Nov 25, 2002 | Issued |
Array
(
[id] => 7464800
[patent_doc_number] => 20040101732
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-27
[patent_title] => 'Ion conductive membrane for electrochemical application'
[patent_app_type] => new
[patent_app_number] => 10/303072
[patent_app_country] => US
[patent_app_date] => 2002-11-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1447
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 30
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0101/20040101732.pdf
[firstpage_image] =>[orig_patent_app_number] => 10303072
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/303072 | Ion conductive membrane for electrochemical application | Nov 22, 2002 | Issued |
Array
(
[id] => 7201148
[patent_doc_number] => 20040086775
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-06
[patent_title] => 'Fuel cell having a variable gas diffusion layer'
[patent_app_type] => new
[patent_app_number] => 10/289694
[patent_app_country] => US
[patent_app_date] => 2002-11-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
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[pdf_file] => publications/A1/0086/20040086775.pdf
[firstpage_image] =>[orig_patent_app_number] => 10289694
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/289694 | Fuel cell having a variable gas diffusion layer | Nov 5, 2002 | Abandoned |
Array
(
[id] => 6631983
[patent_doc_number] => 20030211395
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-11-13
[patent_title] => 'High capacity alkaline batteries with fluorinated graphite containing cathodes'
[patent_app_type] => new
[patent_app_number] => 10/275076
[patent_app_country] => US
[patent_app_date] => 2002-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0211/20030211395.pdf
[firstpage_image] =>[orig_patent_app_number] => 10275076
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/275076 | High capacity alkaline batteries with fluorinated graphite containing cathodes | Oct 31, 2002 | Abandoned |
Array
(
[id] => 6696281
[patent_doc_number] => 20030108475
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-06-12
[patent_title] => 'Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel using carbonaceous material having hydrogen absorbed therein'
[patent_app_type] => new
[patent_app_number] => 10/221874
[patent_app_country] => US
[patent_app_date] => 2002-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 11175
[patent_no_of_claims] => 60
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0108/20030108475.pdf
[firstpage_image] =>[orig_patent_app_number] => 10221874
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/221874 | Carbonaceous material for hydrogen storage and method for preparation thereof, carbonaceous material having hydrogen absorbed therein and method for preparation thereof, cell and fuel using carbonaceous material having hydrogen absorbed therein | Oct 31, 2002 | Abandoned |
Array
(
[id] => 7201018
[patent_doc_number] => 20040086755
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-06
[patent_title] => 'Portable fuel cell system'
[patent_app_type] => new
[patent_app_number] => 10/283986
[patent_app_country] => US
[patent_app_date] => 2002-10-30
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0086/20040086755.pdf
[firstpage_image] =>[orig_patent_app_number] => 10283986
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/283986 | Portable fuel cell system | Oct 29, 2002 | Abandoned |
Array
(
[id] => 7381449
[patent_doc_number] => 20040081872
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-04-29
[patent_title] => 'Fuel cell stack with heat exchanger'
[patent_app_type] => new
[patent_app_number] => 10/282987
[patent_app_country] => US
[patent_app_date] => 2002-10-28
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[pdf_file] => publications/A1/0081/20040081872.pdf
[firstpage_image] =>[orig_patent_app_number] => 10282987
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/282987 | Fuel cell stack with heat exchanger | Oct 27, 2002 | Abandoned |
Array
(
[id] => 6860866
[patent_doc_number] => 20030091874
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[patent_kind] => A1
[patent_issue_date] => 2003-05-15
[patent_title] => 'Method and apparatus to control water balance in a fuel cell system'
[patent_app_type] => new
[patent_app_number] => 10/274516
[patent_app_country] => US
[patent_app_date] => 2002-10-18
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[patent_drawing_sheets_cnt] => 2
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[firstpage_image] =>[orig_patent_app_number] => 10274516
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/274516 | Method and apparatus to control water balance in a fuel cell system | Oct 17, 2002 | Abandoned |
Array
(
[id] => 468343
[patent_doc_number] => 07232624
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-06-19
[patent_title] => 'Membrane and electrode assembly, production method of the same and fuel cell employing the same'
[patent_app_type] => utility
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[pdf_file] => patents/07/232/07232624.pdf
[firstpage_image] =>[orig_patent_app_number] => 10270586
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/270586 | Membrane and electrode assembly, production method of the same and fuel cell employing the same | Oct 15, 2002 | Issued |
Array
(
[id] => 7617220
[patent_doc_number] => 06946220
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-09-20
[patent_title] => 'Electrochemical cell having a multiplate electrode assembly housed in an irregularly shaped casing'
[patent_app_type] => utility
[patent_app_number] => 10/272185
[patent_app_country] => US
[patent_app_date] => 2002-10-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => patents/06/946/06946220.pdf
[firstpage_image] =>[orig_patent_app_number] => 10272185
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/272185 | Electrochemical cell having a multiplate electrode assembly housed in an irregularly shaped casing | Oct 15, 2002 | Issued |
Array
(
[id] => 7218973
[patent_doc_number] => 20040072075
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-04-15
[patent_title] => 'Fluorinated carbon active material'
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[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 10272415
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/272415 | Fluorinated carbon active material | Oct 14, 2002 | Issued |
Array
(
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[patent_title] => 'Nickel-metal hydride storage battery and assembly of the same'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/263885 | Nickel-metal hydride storage battery and assembly of the same | Oct 2, 2002 | Issued |
Array
(
[id] => 6658754
[patent_doc_number] => 20030134196
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-17
[patent_title] => 'Non-aqueous organic secondary battery'
[patent_app_type] => new
[patent_app_number] => 10/264274
[patent_app_country] => US
[patent_app_date] => 2002-10-03
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[firstpage_image] =>[orig_patent_app_number] => 10264274
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/264274 | Non-aqueous organic secondary battery | Oct 2, 2002 | Abandoned |
Array
(
[id] => 7218822
[patent_doc_number] => 20040072055
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-04-15
[patent_title] => 'Graphite article useful as a fuel cell component substrate'
[patent_app_type] => new
[patent_app_number] => 10/260748
[patent_app_country] => US
[patent_app_date] => 2002-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0072/20040072055.pdf
[firstpage_image] =>[orig_patent_app_number] => 10260748
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/260748 | Graphite article useful as a fuel cell component substrate | Sep 29, 2002 | Abandoned |