Search

David M. Mitchell

Examiner (ID: 3480)

Most Active Art Unit
3106
Art Unit(s)
3612, 3104, 3102, 3106
Total Applications
820
Issued Applications
743
Pending Applications
2
Abandoned Applications
75

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 228637 [patent_doc_number] => 07601450 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-13 [patent_title] => 'Hybrid interconnect for a solid-oxide fuel cell stack' [patent_app_type] => utility [patent_app_number] => 11/087904 [patent_app_country] => US [patent_app_date] => 2005-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1814 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/601/07601450.pdf [firstpage_image] =>[orig_patent_app_number] => 11087904 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/087904
Hybrid interconnect for a solid-oxide fuel cell stack Mar 22, 2005 Issued
Array ( [id] => 5177291 [patent_doc_number] => 20070178351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'Fuel supply device and fuel cell' [patent_app_type] => utility [patent_app_number] => 10/599100 [patent_app_country] => US [patent_app_date] => 2005-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7664 [patent_no_of_claims] => 9 [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/A1/0178/20070178351.pdf [firstpage_image] =>[orig_patent_app_number] => 10599100 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/599100
Fuel supply device and fuel cell Mar 17, 2005 Abandoned
Array ( [id] => 7136353 [patent_doc_number] => 20050181271 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Simplified direct oxidation fuel cell system' [patent_app_type] => utility [patent_app_number] => 11/082306 [patent_app_country] => US [patent_app_date] => 2005-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6664 [patent_no_of_claims] => 36 [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/A1/0181/20050181271.pdf [firstpage_image] =>[orig_patent_app_number] => 11082306 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/082306
Simplified direct oxidation fuel cell system Mar 16, 2005 Abandoned
Array ( [id] => 5159664 [patent_doc_number] => 20070172708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-26 [patent_title] => 'Fuel cell system failure diagnosis method, failure diagnosis device using same, and fuel cell system' [patent_app_type] => utility [patent_app_number] => 10/592500 [patent_app_country] => US [patent_app_date] => 2005-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 14796 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0172/20070172708.pdf [firstpage_image] =>[orig_patent_app_number] => 10592500 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/592500
Fuel cell system failure diagnosis method, failure diagnosis device using same, and fuel cell system Mar 10, 2005 Abandoned
Array ( [id] => 6966325 [patent_doc_number] => 20050233222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-10-20 [patent_title] => 'Non-aqueous electrolyte for secondary batteries and non-aqueous electrolyte secondary batteries using the same' [patent_app_type] => utility [patent_app_number] => 11/077504 [patent_app_country] => US [patent_app_date] => 2005-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5547 [patent_no_of_claims] => 20 [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/A1/0233/20050233222.pdf [firstpage_image] =>[orig_patent_app_number] => 11077504 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/077504
Non-aqueous electrolyte for secondary batteries and non-aqueous electrolyte secondary batteries using the same Mar 10, 2005 Abandoned
Array ( [id] => 5784946 [patent_doc_number] => 20060204826 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-14 [patent_title] => 'Geometric feature driven flow equalization in fuel cell stack gas flow separator' [patent_app_type] => utility [patent_app_number] => 11/076102 [patent_app_country] => US [patent_app_date] => 2005-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3008 [patent_no_of_claims] => 26 [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/A1/0204/20060204826.pdf [firstpage_image] =>[orig_patent_app_number] => 11076102 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/076102
Geometric feature driven flow equalization in fuel cell stack gas flow separator Mar 8, 2005 Abandoned
Array ( [id] => 5784943 [patent_doc_number] => 20060204824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-09-14 [patent_title] => 'System and method for collecting current in an electrochemical cell stack' [patent_app_type] => utility [patent_app_number] => 11/073704 [patent_app_country] => US [patent_app_date] => 2005-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4535 [patent_no_of_claims] => 21 [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/A1/0204/20060204824.pdf [firstpage_image] =>[orig_patent_app_number] => 11073704 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/073704
System and method for collecting current in an electrochemical cell stack Mar 7, 2005 Abandoned
Array ( [id] => 6983123 [patent_doc_number] => 20050153193 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-14 [patent_title] => 'Catalyst for a fuel cell, method of manufacturing the same, and fuel cell' [patent_app_type] => utility [patent_app_number] => 11/072603 [patent_app_country] => US [patent_app_date] => 2005-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8140 [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/A1/0153/20050153193.pdf [firstpage_image] =>[orig_patent_app_number] => 11072603 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/072603
Catalyst for fuel cell Mar 6, 2005 Issued
Array ( [id] => 5705051 [patent_doc_number] => 20060194099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-31 [patent_title] => 'Flexible fuel cell' [patent_app_type] => utility [patent_app_number] => 11/067005 [patent_app_country] => US [patent_app_date] => 2005-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2325 [patent_no_of_claims] => 20 [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/A1/0194/20060194099.pdf [firstpage_image] =>[orig_patent_app_number] => 11067005 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/067005
Flexible fuel cell Feb 27, 2005 Abandoned
Array ( [id] => 5705050 [patent_doc_number] => 20060194098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-31 [patent_title] => 'Manufacturing method of flexible substrate laminate integrated fuel cell and fuel cell thereof' [patent_app_type] => utility [patent_app_number] => 11/067004 [patent_app_country] => US [patent_app_date] => 2005-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2642 [patent_no_of_claims] => 31 [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/A1/0194/20060194098.pdf [firstpage_image] =>[orig_patent_app_number] => 11067004 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/067004
Manufacturing method of flexible substrate laminate integrated fuel cell and fuel cell thereof Feb 27, 2005 Abandoned
Array ( [id] => 6908724 [patent_doc_number] => 20050172482 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Sheet-like chemical cell, fuel cell and methods for manufacturing thereof' [patent_app_type] => utility [patent_app_number] => 11/062598 [patent_app_country] => US [patent_app_date] => 2005-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4313 [patent_no_of_claims] => 5 [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/A1/0172/20050172482.pdf [firstpage_image] =>[orig_patent_app_number] => 11062598 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/062598
Sheet-like chemical cell, fuel cell and methods for manufacturing thereof Feb 21, 2005 Issued
Array ( [id] => 7227142 [patent_doc_number] => 20050255363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-17 [patent_title] => 'Contact element for a fuel cell stack' [patent_app_type] => utility [patent_app_number] => 11/060303 [patent_app_country] => US [patent_app_date] => 2005-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2377 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0255/20050255363.pdf [firstpage_image] =>[orig_patent_app_number] => 11060303 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/060303
Contact element for a fuel cell stack Feb 17, 2005 Abandoned
Array ( [id] => 7004933 [patent_doc_number] => 20050170246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-04 [patent_title] => 'Battery with high electrode interfacial surface area' [patent_app_type] => utility [patent_app_number] => 11/051313 [patent_app_country] => US [patent_app_date] => 2005-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11404 [patent_no_of_claims] => 20 [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/A1/0170/20050170246.pdf [firstpage_image] =>[orig_patent_app_number] => 11051313 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/051313
Battery with high electrode interfacial surface area Feb 3, 2005 Issued
Array ( [id] => 7194933 [patent_doc_number] => 20050164071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-07-28 [patent_title] => 'Fuel cell' [patent_app_type] => utility [patent_app_number] => 11/032001 [patent_app_country] => US [patent_app_date] => 2005-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7332 [patent_no_of_claims] => 9 [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/A1/0164/20050164071.pdf [firstpage_image] =>[orig_patent_app_number] => 11032001 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/032001
Fuel cell Jan 10, 2005 Issued
Array ( [id] => 5631304 [patent_doc_number] => 20060147773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-06 [patent_title] => 'Heat and humidity exchanger' [patent_app_type] => utility [patent_app_number] => 11/030600 [patent_app_country] => US [patent_app_date] => 2005-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6622 [patent_no_of_claims] => 60 [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/A1/0147/20060147773.pdf [firstpage_image] =>[orig_patent_app_number] => 11030600 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/030600
Heat and humidity exchanger Jan 5, 2005 Abandoned
Array ( [id] => 132192 [patent_doc_number] => 07695843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-13 [patent_title] => 'Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same' [patent_app_type] => utility [patent_app_number] => 11/030703 [patent_app_country] => US [patent_app_date] => 2005-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 10849 [patent_no_of_claims] => 47 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/695/07695843.pdf [firstpage_image] =>[orig_patent_app_number] => 11030703 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/030703
Microfibrous fuel cell assemblies comprising fiber-supported electrocatalyst layers, and methods of making same Jan 5, 2005 Issued
Array ( [id] => 7004920 [patent_doc_number] => 20050170233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-04 [patent_title] => 'Structurally yieldable fuel cell seal' [patent_app_type] => utility [patent_app_number] => 11/028993 [patent_app_country] => US [patent_app_date] => 2005-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6376 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0170/20050170233.pdf [firstpage_image] =>[orig_patent_app_number] => 11028993 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/028993
Structurally yieldable fuel cell seal Jan 2, 2005 Abandoned
Array ( [id] => 10080222 [patent_doc_number] => 09118081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Membrane electrode assemblies with hydrogen peroxide decomposition catalyst' [patent_app_type] => utility [patent_app_number] => 12/513701 [patent_app_country] => US [patent_app_date] => 2004-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 5021 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12513701 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/513701
Membrane electrode assemblies with hydrogen peroxide decomposition catalyst Dec 27, 2004 Issued
Array ( [id] => 7143495 [patent_doc_number] => 20050118505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-02 [patent_title] => 'Lithium secondary battery' [patent_app_type] => utility [patent_app_number] => 11/024153 [patent_app_country] => US [patent_app_date] => 2004-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8960 [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/A1/0118/20050118505.pdf [firstpage_image] =>[orig_patent_app_number] => 11024153 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/024153
Lithium secondary battery Dec 27, 2004 Abandoned
Array ( [id] => 4569250 [patent_doc_number] => 07829217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-11-09 [patent_title] => 'Zinc can for battery anode' [patent_app_type] => utility [patent_app_number] => 10/584203 [patent_app_country] => US [patent_app_date] => 2004-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 16314 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/829/07829217.pdf [firstpage_image] =>[orig_patent_app_number] => 10584203 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/584203
Zinc can for battery anode Dec 23, 2004 Issued
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