Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 5079487 [patent_doc_number] => 20070122711 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'ELECTRODE AND ELECTROCHEMICAL CELL THEREWITH' [patent_app_type] => utility [patent_app_number] => 11/563282 [patent_app_country] => US [patent_app_date] => 2006-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2915 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0122/20070122711.pdf [firstpage_image] =>[orig_patent_app_number] => 11563282 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/563282
ELECTRODE AND ELECTROCHEMICAL CELL THEREWITH Nov 26, 2006 Abandoned
Array ( [id] => 5850914 [patent_doc_number] => 20060234105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-10-19 [patent_title] => 'Stack and fuel cell system having the same' [patent_app_type] => utility [patent_app_number] => 11/404475 [patent_app_country] => US [patent_app_date] => 2006-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3491 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0234/20060234105.pdf [firstpage_image] =>[orig_patent_app_number] => 11404475 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/404475
Stack and fuel cell system having the same Apr 12, 2006 Abandoned
Array ( [id] => 6350102 [patent_doc_number] => 20100021677 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-28 [patent_title] => 'Method of encapsulating a post' [patent_app_type] => utility [patent_app_number] => 11/887180 [patent_app_country] => US [patent_app_date] => 2006-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4171 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0021/20100021677.pdf [firstpage_image] =>[orig_patent_app_number] => 11887180 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/887180
Method of encapsulating a post Mar 28, 2006 Abandoned
Array ( [id] => 5759923 [patent_doc_number] => 20060210868 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-21 [patent_title] => 'Secondary battery module' [patent_app_type] => utility [patent_app_number] => 11/375025 [patent_app_country] => US [patent_app_date] => 2006-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3464 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0210/20060210868.pdf [firstpage_image] =>[orig_patent_app_number] => 11375025 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/375025
Secondary battery module Mar 14, 2006 Abandoned
Array ( [id] => 5101053 [patent_doc_number] => 20070184315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'Control of fuel cell stack electrical operating conditions' [patent_app_type] => utility [patent_app_number] => 11/351123 [patent_app_country] => US [patent_app_date] => 2006-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3915 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0184/20070184315.pdf [firstpage_image] =>[orig_patent_app_number] => 11351123 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/351123
Control of fuel cell stack electrical operating conditions Feb 8, 2006 Abandoned
Array ( [id] => 5610616 [patent_doc_number] => 20060112539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-01 [patent_title] => 'Method of automated hybrid lithium-ion cells production and method of the cell assembly and construction' [patent_app_type] => utility [patent_app_number] => 11/332817 [patent_app_country] => US [patent_app_date] => 2006-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4888 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 14 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0112/20060112539.pdf [firstpage_image] =>[orig_patent_app_number] => 11332817 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/332817
Method of automated hybrid lithium-ion cells production and method of the cell assembly and construction Jan 12, 2006 Abandoned
Array ( [id] => 5693978 [patent_doc_number] => 20060154125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-13 [patent_title] => 'Stack for fuel cell and fuel cell system with the same' [patent_app_type] => utility [patent_app_number] => 11/329825 [patent_app_country] => US [patent_app_date] => 2006-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6085 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20060154125.pdf [firstpage_image] =>[orig_patent_app_number] => 11329825 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/329825
Stack for fuel cell and fuel cell system with the same Jan 9, 2006 Abandoned
Array ( [id] => 5219579 [patent_doc_number] => 20070160890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Micro ejector static mixer for combining and homogenizing fluids' [patent_app_type] => utility [patent_app_number] => 11/327869 [patent_app_country] => US [patent_app_date] => 2006-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1886 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0160/20070160890.pdf [firstpage_image] =>[orig_patent_app_number] => 11327869 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/327869
Micro ejector static mixer for combining and homogenizing fluids Jan 8, 2006 Abandoned
Array ( [id] => 5022548 [patent_doc_number] => 20070148514 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-28 [patent_title] => 'Fuel cells' [patent_app_type] => utility [patent_app_number] => 11/318374 [patent_app_country] => US [patent_app_date] => 2005-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10474 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0148/20070148514.pdf [firstpage_image] =>[orig_patent_app_number] => 11318374 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/318374
Fuel cells Dec 21, 2005 Abandoned
Array ( [id] => 6322300 [patent_doc_number] => 20100196765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-08-05 [patent_title] => 'Reducing DC Resistance In Electrochemical Cells By Increasing Cathode Basis Weight' [patent_app_type] => utility [patent_app_number] => 11/163644 [patent_app_country] => US [patent_app_date] => 2005-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4389 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0196/20100196765.pdf [firstpage_image] =>[orig_patent_app_number] => 11163644 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/163644
Reducing DC Resistance In Electrochemical Cells By Increasing Cathode Basis Weight Oct 25, 2005 Abandoned
Array ( [id] => 5633895 [patent_doc_number] => 20060064867 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-30 [patent_title] => 'Method for preassembly of membrane electrode assemblies and assembly of proton exchange membrane fuel cell stacks' [patent_app_type] => utility [patent_app_number] => 11/234296 [patent_app_country] => US [patent_app_date] => 2005-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2181 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20060064867.pdf [firstpage_image] =>[orig_patent_app_number] => 11234296 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/234296
Method for preassembly of membrane electrode assemblies and assembly of proton exchange membrane fuel cell stacks Sep 25, 2005 Abandoned
Array ( [id] => 415002 [patent_doc_number] => 07279241 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-09 [patent_title] => 'Electrolyte sheet with a corrugation pattern' [patent_app_type] => utility [patent_app_number] => 11/157305 [patent_app_country] => US [patent_app_date] => 2005-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 17 [patent_no_of_words] => 7165 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/279/07279241.pdf [firstpage_image] =>[orig_patent_app_number] => 11157305 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/157305
Electrolyte sheet with a corrugation pattern Jun 19, 2005 Issued
Array ( [id] => 6925685 [patent_doc_number] => 20050238940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-27 [patent_title] => 'Stack for fuel cell, fuel cell system comprising the stack, and method for manufacturing the stack' [patent_app_type] => utility [patent_app_number] => 11/110881 [patent_app_country] => US [patent_app_date] => 2005-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3694 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0238/20050238940.pdf [firstpage_image] =>[orig_patent_app_number] => 11110881 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/110881
Stack for fuel cell, fuel cell system comprising the stack, and method for manufacturing the stack Apr 20, 2005 Abandoned
Array ( [id] => 5912676 [patent_doc_number] => 20060127738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-15 [patent_title] => 'Design, method and process for unitized mea' [patent_app_type] => utility [patent_app_number] => 11/010770 [patent_app_country] => US [patent_app_date] => 2004-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4673 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0127/20060127738.pdf [firstpage_image] =>[orig_patent_app_number] => 11010770 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/010770
Design, method and process for unitized mea Dec 12, 2004 Abandoned
Array ( [id] => 7103699 [patent_doc_number] => 20050106425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Membrane free fuel cell' [patent_app_type] => utility [patent_app_number] => 10/931873 [patent_app_country] => US [patent_app_date] => 2004-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7846 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0106/20050106425.pdf [firstpage_image] =>[orig_patent_app_number] => 10931873 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/931873
Membrane free fuel cell Aug 31, 2004 Issued
Array ( [id] => 887462 [patent_doc_number] => 07348103 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-25 [patent_title] => 'Polyfluorinated boron cluster anions for lithium electrolytes' [patent_app_type] => utility [patent_app_number] => 10/924293 [patent_app_country] => US [patent_app_date] => 2004-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6271 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/348/07348103.pdf [firstpage_image] =>[orig_patent_app_number] => 10924293 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/924293
Polyfluorinated boron cluster anions for lithium electrolytes Aug 22, 2004 Issued
Array ( [id] => 7060913 [patent_doc_number] => 20050003274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-06 [patent_title] => 'Cathode materials for secondary (rechargeable) lithium batteries' [patent_app_type] => utility [patent_app_number] => 10/902142 [patent_app_country] => US [patent_app_date] => 2004-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11353 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0003/20050003274.pdf [firstpage_image] =>[orig_patent_app_number] => 10902142 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/902142
Cathode materials for secondary (rechargeable) lithium batteries Jul 29, 2004 Abandoned
Array ( [id] => 7160653 [patent_doc_number] => 20050084737 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-21 [patent_title] => 'Fuel cells having cross directional laminar flowstreams' [patent_app_type] => utility [patent_app_number] => 10/892876 [patent_app_country] => US [patent_app_date] => 2004-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8072 [patent_no_of_claims] => 56 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0084/20050084737.pdf [firstpage_image] =>[orig_patent_app_number] => 10892876 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/892876
Fuel cells having cross directional laminar flowstreams Jul 15, 2004 Abandoned
Array ( [id] => 5207367 [patent_doc_number] => 20070245951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Nozzle for Coloring Electric Wire' [patent_app_type] => utility [patent_app_number] => 10/560832 [patent_app_country] => US [patent_app_date] => 2004-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 15649 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0245/20070245951.pdf [firstpage_image] =>[orig_patent_app_number] => 10560832 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/560832
Nozzle for Coloring Electric Wire Jun 6, 2004 Abandoned
Array ( [id] => 931009 [patent_doc_number] => 06979513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-27 [patent_title] => 'Battery including carbon foam current collectors' [patent_app_type] => utility [patent_app_number] => 10/798875 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5008 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/979/06979513.pdf [firstpage_image] =>[orig_patent_app_number] => 10798875 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/798875
Battery including carbon foam current collectors Mar 11, 2004 Issued
Menu