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] => 6791805 [patent_doc_number] => 20030087149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-05-08 [patent_title] => 'Battery' [patent_app_type] => new [patent_app_number] => 10/260189 [patent_app_country] => US [patent_app_date] => 2002-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 13892 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0087/20030087149.pdf [firstpage_image] =>[orig_patent_app_number] => 10260189 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/260189
Battery with proportional collectors, straps, and plates Sep 29, 2002 Issued
Array ( [id] => 6782827 [patent_doc_number] => 20030064274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-03 [patent_title] => 'Fuel cell system and method for operating the same' [patent_app_type] => new [patent_app_number] => 10/253390 [patent_app_country] => US [patent_app_date] => 2002-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1439 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0064/20030064274.pdf [firstpage_image] =>[orig_patent_app_number] => 10253390 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/253390
Fuel cell system and method for operating the same Sep 23, 2002 Issued
Array ( [id] => 6668645 [patent_doc_number] => 20030113628 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-19 [patent_title] => 'Silver vanadium oxide having a fine particle size for improved cell performance' [patent_app_type] => new [patent_app_number] => 10/247216 [patent_app_country] => US [patent_app_date] => 2002-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4405 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0113/20030113628.pdf [firstpage_image] =>[orig_patent_app_number] => 10247216 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/247216
Silver vanadium oxide having a fine particle size for improved cell performance Sep 18, 2002 Abandoned
Array ( [id] => 736332 [patent_doc_number] => 07033687 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-04-25 [patent_title] => 'Fuel cell power generation system and method of controlling fuel cell power generation' [patent_app_type] => utility [patent_app_number] => 10/247014 [patent_app_country] => US [patent_app_date] => 2002-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10851 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/033/07033687.pdf [firstpage_image] =>[orig_patent_app_number] => 10247014 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/247014
Fuel cell power generation system and method of controlling fuel cell power generation Sep 18, 2002 Issued
Array ( [id] => 1046607 [patent_doc_number] => 06864001 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Tetramethyl orthocarbonate fuel cells and systems and methods related thereto' [patent_app_type] => utility [patent_app_number] => 10/243984 [patent_app_country] => US [patent_app_date] => 2002-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4504 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/864/06864001.pdf [firstpage_image] =>[orig_patent_app_number] => 10243984 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/243984
Tetramethyl orthocarbonate fuel cells and systems and methods related thereto Sep 12, 2002 Issued
10/221587 Fuel cell Sep 11, 2002 Abandoned
Array ( [id] => 6674081 [patent_doc_number] => 20030059684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-03-27 [patent_title] => 'Nonaqueous electrolyte battery and nonaqueous electrolytic solution' [patent_app_type] => new [patent_app_number] => 10/233528 [patent_app_country] => US [patent_app_date] => 2002-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4294 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0059/20030059684.pdf [firstpage_image] =>[orig_patent_app_number] => 10233528 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/233528
Nonaqueous electrolyte battery and nonaqueous electrolytic solution Sep 3, 2002 Issued
Array ( [id] => 7612991 [patent_doc_number] => 06902842 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-06-07 [patent_title] => 'Current collector of positive electrode and sodium-sulfur battery using the same' [patent_app_type] => utility [patent_app_number] => 10/234673 [patent_app_country] => US [patent_app_date] => 2002-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5005 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/902/06902842.pdf [firstpage_image] =>[orig_patent_app_number] => 10234673 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/234673
Current collector of positive electrode and sodium-sulfur battery using the same Sep 3, 2002 Issued
Array ( [id] => 6817585 [patent_doc_number] => 20030068543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-04-10 [patent_title] => 'Fuel cell' [patent_app_type] => new [patent_app_number] => 10/230589 [patent_app_country] => US [patent_app_date] => 2002-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7774 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0068/20030068543.pdf [firstpage_image] =>[orig_patent_app_number] => 10230589 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/230589
Fuel cell having temperature adjustment means for reaction gas Aug 28, 2002 Issued
Array ( [id] => 1043521 [patent_doc_number] => 06866954 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-15 [patent_title] => 'Fuel cell stack and a method of supplying reactant gases to the fuel cell stack' [patent_app_type] => utility [patent_app_number] => 10/232086 [patent_app_country] => US [patent_app_date] => 2002-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5525 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/866/06866954.pdf [firstpage_image] =>[orig_patent_app_number] => 10232086 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/232086
Fuel cell stack and a method of supplying reactant gases to the fuel cell stack Aug 28, 2002 Issued
Array ( [id] => 982146 [patent_doc_number] => 06926990 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-09 [patent_title] => 'Fuel cell having porous electrodes and method for forming same' [patent_app_type] => utility [patent_app_number] => 10/231828 [patent_app_country] => US [patent_app_date] => 2002-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2539 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/926/06926990.pdf [firstpage_image] =>[orig_patent_app_number] => 10231828 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/231828
Fuel cell having porous electrodes and method for forming same Aug 28, 2002 Issued
Array ( [id] => 508425 [patent_doc_number] => 07195838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-03-27 [patent_title] => 'Membrane electrode assembly and fuel cell' [patent_app_type] => utility [patent_app_number] => 10/232085 [patent_app_country] => US [patent_app_date] => 2002-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 6110 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/195/07195838.pdf [firstpage_image] =>[orig_patent_app_number] => 10232085 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/232085
Membrane electrode assembly and fuel cell Aug 28, 2002 Issued
Array ( [id] => 1068575 [patent_doc_number] => 06844100 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-01-18 [patent_title] => 'Fuel cell stack and fuel cell module' [patent_app_type] => utility [patent_app_number] => 10/064886 [patent_app_country] => US [patent_app_date] => 2002-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5237 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/844/06844100.pdf [firstpage_image] =>[orig_patent_app_number] => 10064886 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/064886
Fuel cell stack and fuel cell module Aug 26, 2002 Issued
Array ( [id] => 1095346 [patent_doc_number] => 06821662 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2004-11-23 [patent_title] => 'Method and device for recovering water produced by a fuel cell' [patent_app_type] => B1 [patent_app_number] => 10/129487 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1601 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/821/06821662.pdf [firstpage_image] =>[orig_patent_app_number] => 10129487 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/129487
Method and device for recovering water produced by a fuel cell Aug 19, 2002 Issued
Array ( [id] => 6524253 [patent_doc_number] => 20020192558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-12-19 [patent_title] => 'Method for providing a current collector with bare regions to facilitate winding' [patent_app_type] => new [patent_app_number] => 10/224117 [patent_app_country] => US [patent_app_date] => 2002-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3212 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0192/20020192558.pdf [firstpage_image] =>[orig_patent_app_number] => 10224117 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/224117
Method for providing a current collector with bare regions to facilitate winding Aug 19, 2002 Issued
Array ( [id] => 1037342 [patent_doc_number] => 06872490 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-29 [patent_title] => 'Preparation for a cathode material by a two-step reduction/oxidation synthesis process' [patent_app_type] => utility [patent_app_number] => 10/214813 [patent_app_country] => US [patent_app_date] => 2002-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4470 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/872/06872490.pdf [firstpage_image] =>[orig_patent_app_number] => 10214813 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/214813
Preparation for a cathode material by a two-step reduction/oxidation synthesis process Aug 7, 2002 Issued
Array ( [id] => 466380 [patent_doc_number] => 07235316 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-26 [patent_title] => 'Integrated heat management of electronics and fuel cell power system' [patent_app_type] => utility [patent_app_number] => 10/213987 [patent_app_country] => US [patent_app_date] => 2002-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 3839 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/235/07235316.pdf [firstpage_image] =>[orig_patent_app_number] => 10213987 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/213987
Integrated heat management of electronics and fuel cell power system Aug 6, 2002 Issued
Array ( [id] => 985332 [patent_doc_number] => 06924060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-02 [patent_title] => 'Prismatic sealed battery module' [patent_app_type] => utility [patent_app_number] => 10/213811 [patent_app_country] => US [patent_app_date] => 2002-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4294 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/924/06924060.pdf [firstpage_image] =>[orig_patent_app_number] => 10213811 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/213811
Prismatic sealed battery module Aug 5, 2002 Issued
Array ( [id] => 6692438 [patent_doc_number] => 20030039870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-02-27 [patent_title] => 'Fuel cell system and method of operation' [patent_app_type] => new [patent_app_number] => 10/210187 [patent_app_country] => US [patent_app_date] => 2002-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9369 [patent_no_of_claims] => 61 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0039/20030039870.pdf [firstpage_image] =>[orig_patent_app_number] => 10210187 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/210187
Fuel cell system and method of operation in which temperatures in the freezing range of water can occur Jul 31, 2002 Issued
Array ( [id] => 1014422 [patent_doc_number] => 06893764 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-17 [patent_title] => 'Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell' [patent_app_type] => utility [patent_app_number] => 10/208094 [patent_app_country] => US [patent_app_date] => 2002-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 46467 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/893/06893764.pdf [firstpage_image] =>[orig_patent_app_number] => 10208094 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/208094
Solid polyelectrolyte, assembly of membrane and electrodes, and fuel cell Jul 30, 2002 Issued
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