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] => 442335 [patent_doc_number] => 07255961 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-14 [patent_title] => 'Thin film composite electrolyte' [patent_app_type] => utility [patent_app_number] => 10/799076 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5815 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/255/07255961.pdf [firstpage_image] =>[orig_patent_app_number] => 10799076 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/799076
Thin film composite electrolyte Mar 11, 2004 Issued
Array ( [id] => 7149016 [patent_doc_number] => 20040170885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Polymer electrolyte fuel cell' [patent_app_type] => new [patent_app_number] => 10/797676 [patent_app_country] => US [patent_app_date] => 2004-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 17347 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0170/20040170885.pdf [firstpage_image] =>[orig_patent_app_number] => 10797676 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/797676
Polymer electrolyte fuel cell Mar 9, 2004 Abandoned
Array ( [id] => 7251545 [patent_doc_number] => 20050142408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-30 [patent_title] => 'Direct antifreeze cooled fuel cell power plant with passive water management' [patent_app_type] => utility [patent_app_number] => 10/748473 [patent_app_country] => US [patent_app_date] => 2003-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5286 [patent_no_of_claims] => 7 [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/A1/0142/20050142408.pdf [firstpage_image] =>[orig_patent_app_number] => 10748473 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/748473
Direct antifreeze cooled fuel cell power plant with passive water management Dec 29, 2003 Issued
Array ( [id] => 462881 [patent_doc_number] => 07238450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-03 [patent_title] => 'High voltage laminar cathode materials for lithium rechargeable batteries, and process for making the same' [patent_app_type] => utility [patent_app_number] => 10/743077 [patent_app_country] => US [patent_app_date] => 2003-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5750 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/238/07238450.pdf [firstpage_image] =>[orig_patent_app_number] => 10743077 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/743077
High voltage laminar cathode materials for lithium rechargeable batteries, and process for making the same Dec 22, 2003 Issued
Array ( [id] => 415008 [patent_doc_number] => 07279245 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-10-09 [patent_title] => 'System for removal of inerts from fuel cell reactants' [patent_app_type] => utility [patent_app_number] => 10/731698 [patent_app_country] => US [patent_app_date] => 2003-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10236 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/279/07279245.pdf [firstpage_image] =>[orig_patent_app_number] => 10731698 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/731698
System for removal of inerts from fuel cell reactants Dec 8, 2003 Issued
Array ( [id] => 7286458 [patent_doc_number] => 20040146762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Reactant supply for a fuel cell power system' [patent_app_type] => new [patent_app_number] => 10/722577 [patent_app_country] => US [patent_app_date] => 2003-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3089 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0146/20040146762.pdf [firstpage_image] =>[orig_patent_app_number] => 10722577 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/722577
Reactant supply for a fuel cell power system Nov 27, 2003 Abandoned
10/712913 Method and apparatus for regenerating the performance of a PEM fuel cell Nov 12, 2003 Abandoned
Array ( [id] => 7363396 [patent_doc_number] => 20040091783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Fullerene-based secondary cell electrodes' [patent_app_type] => new [patent_app_number] => 10/703527 [patent_app_country] => US [patent_app_date] => 2003-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6459 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0091/20040091783.pdf [firstpage_image] =>[orig_patent_app_number] => 10703527 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/703527
Fullerene-based secondary cell electrodes Nov 9, 2003 Issued
Array ( [id] => 468372 [patent_doc_number] => 07232627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-19 [patent_title] => 'Electrode for solid polymer fuel cell' [patent_app_type] => utility [patent_app_number] => 10/703072 [patent_app_country] => US [patent_app_date] => 2003-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 8382 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/232/07232627.pdf [firstpage_image] =>[orig_patent_app_number] => 10703072 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/703072
Electrode for solid polymer fuel cell Nov 6, 2003 Issued
Array ( [id] => 7363377 [patent_doc_number] => 20040091780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-13 [patent_title] => 'Nonaqueous electrolyte secondary battery' [patent_app_type] => new [patent_app_number] => 10/701572 [patent_app_country] => US [patent_app_date] => 2003-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5230 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0091/20040091780.pdf [firstpage_image] =>[orig_patent_app_number] => 10701572 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/701572
Nonaqueous electrolyte secondary battery Nov 5, 2003 Abandoned
Array ( [id] => 7201193 [patent_doc_number] => 20040086783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-06 [patent_title] => 'Electric battery assembly and method of manufacture' [patent_app_type] => new [patent_app_number] => 10/694922 [patent_app_country] => US [patent_app_date] => 2003-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4894 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0086/20040086783.pdf [firstpage_image] =>[orig_patent_app_number] => 10694922 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/694922
Electric battery assembly and method of manufacture Oct 26, 2003 Issued
Array ( [id] => 753807 [patent_doc_number] => 07018737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-28 [patent_title] => 'Battery pack including rechargeable batteries' [patent_app_type] => utility [patent_app_number] => 10/692074 [patent_app_country] => US [patent_app_date] => 2003-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 5457 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/018/07018737.pdf [firstpage_image] =>[orig_patent_app_number] => 10692074 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/692074
Battery pack including rechargeable batteries Oct 21, 2003 Issued
Array ( [id] => 456000 [patent_doc_number] => 07244527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Multi-cell battery charge control' [patent_app_type] => utility [patent_app_number] => 10/685473 [patent_app_country] => US [patent_app_date] => 2003-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 6495 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/244/07244527.pdf [firstpage_image] =>[orig_patent_app_number] => 10685473 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/685473
Multi-cell battery charge control Oct 15, 2003 Issued
Array ( [id] => 7675454 [patent_doc_number] => 20040126664 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Melt blown battery separator' [patent_app_type] => new [patent_app_number] => 10/668422 [patent_app_country] => US [patent_app_date] => 2003-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1867 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20040126664.pdf [firstpage_image] =>[orig_patent_app_number] => 10668422 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/668422
Melt blown battery separator Sep 22, 2003 Issued
Array ( [id] => 401046 [patent_doc_number] => 07291410 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-06 [patent_title] => 'Orientation independent liquid fuel reservoir' [patent_app_type] => utility [patent_app_number] => 10/665719 [patent_app_country] => US [patent_app_date] => 2003-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 83 [patent_no_of_words] => 21239 [patent_no_of_claims] => 199 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/291/07291410.pdf [firstpage_image] =>[orig_patent_app_number] => 10665719 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/665719
Orientation independent liquid fuel reservoir Sep 21, 2003 Issued
Array ( [id] => 7675475 [patent_doc_number] => 20040126643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Orientation independent fuel reservoir containing liquid fuel' [patent_app_type] => new [patent_app_number] => 10/665350 [patent_app_country] => US [patent_app_date] => 2003-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 17881 [patent_no_of_claims] => 220 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20040126643.pdf [firstpage_image] =>[orig_patent_app_number] => 10665350 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/665350
Orientation independent fuel reservoir containing liquid fuel Sep 21, 2003 Abandoned
Array ( [id] => 411253 [patent_doc_number] => 07282282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-16 [patent_title] => 'Organic fuel cells and fuel cell conducting sheets' [patent_app_type] => utility [patent_app_number] => 10/664772 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7607 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/282/07282282.pdf [firstpage_image] =>[orig_patent_app_number] => 10664772 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664772
Organic fuel cells and fuel cell conducting sheets Sep 16, 2003 Issued
Array ( [id] => 968359 [patent_doc_number] => 06939633 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-09-06 [patent_title] => 'Fuel cell shutdown and startup using a cathode recycle loop' [patent_app_type] => utility [patent_app_number] => 10/664329 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5342 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/939/06939633.pdf [firstpage_image] =>[orig_patent_app_number] => 10664329 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664329
Fuel cell shutdown and startup using a cathode recycle loop Sep 16, 2003 Issued
Array ( [id] => 376893 [patent_doc_number] => 07311993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-25 [patent_title] => 'Polyfluorinated boron cluster anions for lithium electrolytes' [patent_app_type] => utility [patent_app_number] => 10/655476 [patent_app_country] => US [patent_app_date] => 2003-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5244 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/311/07311993.pdf [firstpage_image] =>[orig_patent_app_number] => 10655476 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/655476
Polyfluorinated boron cluster anions for lithium electrolytes Sep 3, 2003 Issued
Array ( [id] => 7397738 [patent_doc_number] => 20040023117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Nonaqueous electrolyte battery' [patent_app_type] => new [patent_app_number] => 10/627677 [patent_app_country] => US [patent_app_date] => 2003-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4322 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20040023117.pdf [firstpage_image] =>[orig_patent_app_number] => 10627677 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/627677
Nonaqueous electrolyte battery Jul 27, 2003 Abandoned
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