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] => 7308092 [patent_doc_number] => 20040142225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-22 [patent_title] => 'Fuel cell or electrolyser construction' [patent_app_type] => new [patent_app_number] => 10/476102 [patent_app_country] => US [patent_app_date] => 2003-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2157 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20040142225.pdf [firstpage_image] =>[orig_patent_app_number] => 10476102 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/476102
Fuel cell or electrolyser construction Oct 23, 2003 Abandoned
Array ( [id] => 7201176 [patent_doc_number] => 20040086779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-06 [patent_title] => 'Multi-cell battery' [patent_app_type] => new [patent_app_number] => 10/693789 [patent_app_country] => US [patent_app_date] => 2003-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8068 [patent_no_of_claims] => 69 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0086/20040086779.pdf [firstpage_image] =>[orig_patent_app_number] => 10693789 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/693789
Multi-cell battery Oct 23, 2003 Abandoned
Array ( [id] => 4572726 [patent_doc_number] => 07855003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-21 [patent_title] => 'Ceramic and alloy anode solid oxide fuel cell' [patent_app_type] => utility [patent_app_number] => 10/532302 [patent_app_country] => US [patent_app_date] => 2003-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6244 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/855/07855003.pdf [firstpage_image] =>[orig_patent_app_number] => 10532302 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/532302
Ceramic and alloy anode solid oxide fuel cell Oct 20, 2003 Issued
Array ( [id] => 5799849 [patent_doc_number] => 20060035121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-02-16 [patent_title] => 'Fuel cell system' [patent_app_type] => utility [patent_app_number] => 10/533901 [patent_app_country] => US [patent_app_date] => 2003-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 9770 [patent_no_of_claims] => 19 [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/A1/0035/20060035121.pdf [firstpage_image] =>[orig_patent_app_number] => 10533901 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/533901
Fuel cell system Oct 20, 2003 Abandoned
Array ( [id] => 4431500 [patent_doc_number] => 07968251 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-28 [patent_title] => 'Electrical contact element and bipolar plate' [patent_app_type] => utility [patent_app_number] => 10/689001 [patent_app_country] => US [patent_app_date] => 2003-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 12028 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/968/07968251.pdf [firstpage_image] =>[orig_patent_app_number] => 10689001 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/689001
Electrical contact element and bipolar plate Oct 19, 2003 Issued
Array ( [id] => 916759 [patent_doc_number] => 07323266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-29 [patent_title] => 'Sheet-like chemical cell, fuel cell and methods for manufacturing thereof' [patent_app_type] => utility [patent_app_number] => 10/687600 [patent_app_country] => US [patent_app_date] => 2003-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4320 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/323/07323266.pdf [firstpage_image] =>[orig_patent_app_number] => 10687600 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/687600
Sheet-like chemical cell, fuel cell and methods for manufacturing thereof Oct 19, 2003 Issued
Array ( [id] => 7381459 [patent_doc_number] => 20040081874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'System comprising a fuel cell and a heat exchanger' [patent_app_type] => new [patent_app_number] => 10/684701 [patent_app_country] => US [patent_app_date] => 2003-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1186 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0081/20040081874.pdf [firstpage_image] =>[orig_patent_app_number] => 10684701 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/684701
System comprising a fuel cell and a heat exchanger Oct 14, 2003 Abandoned
Array ( [id] => 7160668 [patent_doc_number] => 20050084741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-04-21 [patent_title] => 'Self-hydrating membrane electrode assemblies for fuel cells' [patent_app_type] => utility [patent_app_number] => 10/684802 [patent_app_country] => US [patent_app_date] => 2003-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9094 [patent_no_of_claims] => 72 [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/A1/0084/20050084741.pdf [firstpage_image] =>[orig_patent_app_number] => 10684802 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/684802
Self-hydrating membrane electrode assemblies for fuel cells Oct 14, 2003 Issued
Array ( [id] => 902467 [patent_doc_number] => 07335434 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-26 [patent_title] => 'Fuel cell separator assembly with diffusion layer, manufacturing method therefor, fuel cell unit, and fuel cell stack' [patent_app_type] => utility [patent_app_number] => 10/688303 [patent_app_country] => US [patent_app_date] => 2003-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 9472 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/335/07335434.pdf [firstpage_image] =>[orig_patent_app_number] => 10688303 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/688303
Fuel cell separator assembly with diffusion layer, manufacturing method therefor, fuel cell unit, and fuel cell stack Oct 14, 2003 Issued
Array ( [id] => 111259 [patent_doc_number] => 07718293 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-05-18 [patent_title] => 'Electrochemical system with fluid passage integrated within a sealing bead' [patent_app_type] => utility [patent_app_number] => 10/531201 [patent_app_country] => US [patent_app_date] => 2003-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 7068 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/718/07718293.pdf [firstpage_image] =>[orig_patent_app_number] => 10531201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/531201
Electrochemical system with fluid passage integrated within a sealing bead Oct 13, 2003 Issued
Array ( [id] => 554784 [patent_doc_number] => 07157167 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-01-02 [patent_title] => 'Thermocatalytic process for CO2-free production of hydrogen and carbon from hydrocarbons' [patent_app_type] => utility [patent_app_number] => 10/683603 [patent_app_country] => US [patent_app_date] => 2003-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6263 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/157/07157167.pdf [firstpage_image] =>[orig_patent_app_number] => 10683603 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/683603
Thermocatalytic process for CO2-free production of hydrogen and carbon from hydrocarbons Oct 9, 2003 Issued
Array ( [id] => 236143 [patent_doc_number] => 07595124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-29 [patent_title] => 'Integrated fuel cell hybrid power plant with controlled oxidant flow for combustion of spent fuel' [patent_app_type] => utility [patent_app_number] => 10/681704 [patent_app_country] => US [patent_app_date] => 2003-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4999 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/595/07595124.pdf [firstpage_image] =>[orig_patent_app_number] => 10681704 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/681704
Integrated fuel cell hybrid power plant with controlled oxidant flow for combustion of spent fuel Oct 8, 2003 Issued
Array ( [id] => 382916 [patent_doc_number] => 07306868 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Integrated fuel cell stack and catalytic combustor apparatus, assembly, and method of use' [patent_app_type] => utility [patent_app_number] => 10/679605 [patent_app_country] => US [patent_app_date] => 2003-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5009 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/306/07306868.pdf [firstpage_image] =>[orig_patent_app_number] => 10679605 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/679605
Integrated fuel cell stack and catalytic combustor apparatus, assembly, and method of use Sep 30, 2003 Issued
Array ( [id] => 424925 [patent_doc_number] => 07270907 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-18 [patent_title] => 'Fuel container and delivery apparatus for a liquid feed fuel cell system' [patent_app_type] => utility [patent_app_number] => 10/675668 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 6376 [patent_no_of_claims] => 6 [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/07/270/07270907.pdf [firstpage_image] =>[orig_patent_app_number] => 10675668 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/675668
Fuel container and delivery apparatus for a liquid feed fuel cell system Sep 29, 2003 Issued
Array ( [id] => 482023 [patent_doc_number] => 07220516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-22 [patent_title] => 'Bipolar battery with flexible insulation film' [patent_app_type] => utility [patent_app_number] => 10/673201 [patent_app_country] => US [patent_app_date] => 2003-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 23 [patent_no_of_words] => 10120 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/220/07220516.pdf [firstpage_image] =>[orig_patent_app_number] => 10673201 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/673201
Bipolar battery with flexible insulation film Sep 29, 2003 Issued
Array ( [id] => 363274 [patent_doc_number] => 07482084 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-27 [patent_title] => 'Fuel cell unit with sheet metal fluid guiding element and composited block of fuel cells' [patent_app_type] => utility [patent_app_number] => 10/674202 [patent_app_country] => US [patent_app_date] => 2003-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11033 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/482/07482084.pdf [firstpage_image] =>[orig_patent_app_number] => 10674202 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/674202
Fuel cell unit with sheet metal fluid guiding element and composited block of fuel cells Sep 28, 2003 Issued
Array ( [id] => 7381465 [patent_doc_number] => 20040081875 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-04-29 [patent_title] => 'Solid oxide fuel cell stack assembly having tapered diffusion layers' [patent_app_type] => new [patent_app_number] => 10/671902 [patent_app_country] => US [patent_app_date] => 2003-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5873 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0081/20040081875.pdf [firstpage_image] =>[orig_patent_app_number] => 10671902 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/671902
Solid oxide fuel cell stack assembly having tapered diffusion layers Sep 24, 2003 Issued
Array ( [id] => 7286457 [patent_doc_number] => 20040146761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Fuel cell system and method of operating the same' [patent_app_type] => new [patent_app_number] => 10/667901 [patent_app_country] => US [patent_app_date] => 2003-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6147 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0146/20040146761.pdf [firstpage_image] =>[orig_patent_app_number] => 10667901 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/667901
Fuel cell system and method of operation to reduce parasitic load of fuel cell peripherals Sep 22, 2003 Issued
Array ( [id] => 7675468 [patent_doc_number] => 20040126650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-01 [patent_title] => 'Electrode assembly for lithium ion cell and lithium cell using the same' [patent_app_type] => new [patent_app_number] => 10/667602 [patent_app_country] => US [patent_app_date] => 2003-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4212 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20040126650.pdf [firstpage_image] =>[orig_patent_app_number] => 10667602 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/667602
Electrode assembly for lithium ion cell and lithium cell using the same Sep 22, 2003 Abandoned
Array ( [id] => 7303626 [patent_doc_number] => 20040115491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-17 [patent_title] => 'System and method for process gas stream delivery and regulation using open loop and closed loop control' [patent_app_type] => new [patent_app_number] => 10/667900 [patent_app_country] => US [patent_app_date] => 2003-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4270 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0115/20040115491.pdf [firstpage_image] =>[orig_patent_app_number] => 10667900 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/667900
System and method for process gas stream delivery and regulation using open loop and closed loop control Sep 22, 2003 Abandoned
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