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] => 442286 [patent_doc_number] => 07255944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-14 [patent_title] => 'Sealing structure of fuel cell and manufacturing method of same' [patent_app_type] => utility [patent_app_number] => 10/621372 [patent_app_country] => US [patent_app_date] => 2003-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4642 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/255/07255944.pdf [firstpage_image] =>[orig_patent_app_number] => 10621372 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/621372
Sealing structure of fuel cell and manufacturing method of same Jul 17, 2003 Issued
Array ( [id] => 393732 [patent_doc_number] => 07297424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-20 [patent_title] => 'Solid polymer electrolyte fuel cell stack' [patent_app_type] => utility [patent_app_number] => 10/616696 [patent_app_country] => US [patent_app_date] => 2003-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 9423 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/297/07297424.pdf [firstpage_image] =>[orig_patent_app_number] => 10616696 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/616696
Solid polymer electrolyte fuel cell stack Jul 8, 2003 Issued
Array ( [id] => 7218775 [patent_doc_number] => 20040072047 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-15 [patent_title] => 'Fuel cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same' [patent_app_type] => new [patent_app_number] => 10/609017 [patent_app_country] => US [patent_app_date] => 2003-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7918 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0072/20040072047.pdf [firstpage_image] =>[orig_patent_app_number] => 10609017 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/609017
Fuel cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same Jun 26, 2003 Issued
Array ( [id] => 7251101 [patent_doc_number] => 20040258979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-12-23 [patent_title] => 'Method of making a membrane electrode assembly for electrochemical fuel cells' [patent_app_type] => new [patent_app_number] => 10/601275 [patent_app_country] => US [patent_app_date] => 2003-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3000 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0258/20040258979.pdf [firstpage_image] =>[orig_patent_app_number] => 10601275 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/601275
Method of making a membrane electrode assembly for electrochemical fuel cells Jun 19, 2003 Issued
Array ( [id] => 6804854 [patent_doc_number] => 20030232248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-18 [patent_title] => 'All solid state battery' [patent_app_type] => new [patent_app_number] => 10/458372 [patent_app_country] => US [patent_app_date] => 2003-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7315 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0232/20030232248.pdf [firstpage_image] =>[orig_patent_app_number] => 10458372 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/458372
All solid state battery with coated substrate Jun 10, 2003 Issued
10/275588 Fuel cell anode structures for voltage reversal tolerance Jun 8, 2003 Abandoned
Array ( [id] => 7381472 [patent_doc_number] => 20040081877 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Membrane-electrode assembly of fuel cell, production method of the same, and fuel cell employing the same' [patent_app_type] => new [patent_app_number] => 10/449776 [patent_app_country] => US [patent_app_date] => 2003-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2942 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0081/20040081877.pdf [firstpage_image] =>[orig_patent_app_number] => 10449776 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/449776
Membrane-electrode assembly of fuel cell, production method of the same, and fuel cell employing the same Jun 1, 2003 Issued
Array ( [id] => 7447982 [patent_doc_number] => 20040067418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Organic electrolytic solution and lithium battery employing the same' [patent_app_type] => new [patent_app_number] => 10/449775 [patent_app_country] => US [patent_app_date] => 2003-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5018 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20040067418.pdf [firstpage_image] =>[orig_patent_app_number] => 10449775 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/449775
Organic electrolytic solution and lithium battery employing the same Jun 1, 2003 Issued
Array ( [id] => 6804840 [patent_doc_number] => 20030232234 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-18 [patent_title] => 'Electrochemical cell and bipolar assembly for an electrochemical cell' [patent_app_type] => new [patent_app_number] => 10/448974 [patent_app_country] => US [patent_app_date] => 2003-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7184 [patent_no_of_claims] => 85 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0232/20030232234.pdf [firstpage_image] =>[orig_patent_app_number] => 10448974 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/448974
Electrochemical cell and bipolar assembly for an electrochemical cell May 29, 2003 Issued
Array ( [id] => 6804849 [patent_doc_number] => 20030232243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-12-18 [patent_title] => 'Method for treating electrode tabs of crude cell for lithium secondary battery, and crude cell and lithium secondary battery according to the method' [patent_app_type] => new [patent_app_number] => 10/446272 [patent_app_country] => US [patent_app_date] => 2003-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6294 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0232/20030232243.pdf [firstpage_image] =>[orig_patent_app_number] => 10446272 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/446272
Method for treating electrode tabs of crude cell for lithium secondary battery, and crude cell and lithium secondary battery according to the method May 22, 2003 Issued
Array ( [id] => 709944 [patent_doc_number] => 07056613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-06-06 [patent_title] => 'Fuel cell having metalized gas diffusion layer' [patent_app_type] => utility [patent_app_number] => 10/431870 [patent_app_country] => US [patent_app_date] => 2003-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5176 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/056/07056613.pdf [firstpage_image] =>[orig_patent_app_number] => 10431870 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/431870
Fuel cell having metalized gas diffusion layer May 6, 2003 Issued
Array ( [id] => 539732 [patent_doc_number] => 07169495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-01-30 [patent_title] => 'Thermally integrated SOFC system' [patent_app_type] => utility [patent_app_number] => 10/249772 [patent_app_country] => US [patent_app_date] => 2003-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3076 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/169/07169495.pdf [firstpage_image] =>[orig_patent_app_number] => 10249772 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/249772
Thermally integrated SOFC system May 5, 2003 Issued
Array ( [id] => 7447762 [patent_doc_number] => 20040067395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-08 [patent_title] => 'Fuel processing device, fuel cell power generation system and operation method thereof' [patent_app_type] => new [patent_app_number] => 10/426874 [patent_app_country] => US [patent_app_date] => 2003-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 13674 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0067/20040067395.pdf [firstpage_image] =>[orig_patent_app_number] => 10426874 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/426874
Fuel processing device, fuel cell power generation system and operation method thereof Apr 30, 2003 Abandoned
Array ( [id] => 6767180 [patent_doc_number] => 20030213120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-11-20 [patent_title] => 'Method for producing a rechargeable electrochemical element' [patent_app_type] => new [patent_app_number] => 10/424875 [patent_app_country] => US [patent_app_date] => 2003-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1109 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0213/20030213120.pdf [firstpage_image] =>[orig_patent_app_number] => 10424875 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/424875
Method for producing a rechargeable electrochemical element Apr 27, 2003 Issued
Array ( [id] => 7303663 [patent_doc_number] => 20040115503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-17 [patent_title] => 'Planar electrochemical device assembly' [patent_app_type] => new [patent_app_number] => 10/423472 [patent_app_country] => US [patent_app_date] => 2003-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8344 [patent_no_of_claims] => 62 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0115/20040115503.pdf [firstpage_image] =>[orig_patent_app_number] => 10423472 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/423472
Planar electrochemical device assembly Apr 23, 2003 Issued
Array ( [id] => 7408558 [patent_doc_number] => 20040206559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Regenerative passive and semi-active suspension' [patent_app_type] => new [patent_app_number] => 10/417273 [patent_app_country] => US [patent_app_date] => 2003-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3153 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20040206559.pdf [firstpage_image] =>[orig_patent_app_number] => 10417273 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/417273
Regenerative passive and semi-active suspension Apr 14, 2003 Issued
Array ( [id] => 7182424 [patent_doc_number] => 20040202901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-14 [patent_title] => 'System stack contingency and efficiency switching' [patent_app_type] => new [patent_app_number] => 10/413272 [patent_app_country] => US [patent_app_date] => 2003-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4652 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0202/20040202901.pdf [firstpage_image] =>[orig_patent_app_number] => 10413272 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/413272
System stack contingency and efficiency switching Apr 13, 2003 Issued
Array ( [id] => 788038 [patent_doc_number] => 06986970 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-01-17 [patent_title] => 'Colloidal electrolytes' [patent_app_type] => utility [patent_app_number] => 10/412373 [patent_app_country] => US [patent_app_date] => 2003-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3010 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/986/06986970.pdf [firstpage_image] =>[orig_patent_app_number] => 10412373 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/412373
Colloidal electrolytes Apr 10, 2003 Issued
Array ( [id] => 6874297 [patent_doc_number] => 20030194594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-16 [patent_title] => 'Fuel cell separator. production method, and solid polymer fuel cells' [patent_app_type] => new [patent_app_number] => 10/405477 [patent_app_country] => US [patent_app_date] => 2003-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4271 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0194/20030194594.pdf [firstpage_image] =>[orig_patent_app_number] => 10405477 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/405477
Fuel cell separator. production method, and solid polymer fuel cells Apr 2, 2003 Abandoned
Array ( [id] => 6808918 [patent_doc_number] => 20030198857 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-10-23 [patent_title] => 'Graphite laminate fuel cell plate' [patent_app_type] => new [patent_app_number] => 10/405173 [patent_app_country] => US [patent_app_date] => 2003-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3619 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0198/20030198857.pdf [firstpage_image] =>[orig_patent_app_number] => 10405173 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/405173
Graphite laminate fuel cell plate Apr 1, 2003 Abandoned
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