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] => 7677852 [patent_doc_number] => 20040151974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-05 [patent_title] => 'PEM fuel cell with flow-field having a branched midsection' [patent_app_type] => new [patent_app_number] => 10/664504 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2994 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0151/20040151974.pdf [firstpage_image] =>[orig_patent_app_number] => 10664504 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664504
PEM fuel cell with flow-field having a branched midsection Sep 16, 2003 Abandoned
Array ( [id] => 650808 [patent_doc_number] => 07112385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-26 [patent_title] => 'Flow restrictors in fuel cell flow-field' [patent_app_type] => utility [patent_app_number] => 10/664294 [patent_app_country] => US [patent_app_date] => 2003-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4601 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/112/07112385.pdf [firstpage_image] =>[orig_patent_app_number] => 10664294 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/664294
Flow restrictors in fuel cell flow-field Sep 16, 2003 Issued
Array ( [id] => 7127122 [patent_doc_number] => 20050058866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Integrated platform and fuel cell cooling' [patent_app_type] => utility [patent_app_number] => 10/662503 [patent_app_country] => US [patent_app_date] => 2003-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4583 [patent_no_of_claims] => 33 [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/A1/0058/20050058866.pdf [firstpage_image] =>[orig_patent_app_number] => 10662503 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/662503
Integrated platform and fuel cell cooling Sep 14, 2003 Abandoned
Array ( [id] => 397461 [patent_doc_number] => 07294430 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Battery having a wound electrode element' [patent_app_type] => utility [patent_app_number] => 10/660901 [patent_app_country] => US [patent_app_date] => 2003-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4369 [patent_no_of_claims] => 13 [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/07/294/07294430.pdf [firstpage_image] =>[orig_patent_app_number] => 10660901 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/660901
Battery having a wound electrode element Sep 11, 2003 Issued
Array ( [id] => 7469330 [patent_doc_number] => 20040121222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-24 [patent_title] => 'Crack-resistant anode-supported fuel cell' [patent_app_type] => new [patent_app_number] => 10/658803 [patent_app_country] => US [patent_app_date] => 2003-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3085 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0121/20040121222.pdf [firstpage_image] =>[orig_patent_app_number] => 10658803 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/658803
Crack-resistant anode-supported fuel cell Sep 8, 2003 Abandoned
Array ( [id] => 7344049 [patent_doc_number] => 20040046526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-03-11 [patent_title] => 'Modular fuel cell' [patent_app_type] => new [patent_app_number] => 10/656824 [patent_app_country] => US [patent_app_date] => 2003-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4744 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0046/20040046526.pdf [firstpage_image] =>[orig_patent_app_number] => 10656824 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/656824
Modular fuel cell Sep 7, 2003 Abandoned
Array ( [id] => 439089 [patent_doc_number] => 07258942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-21 [patent_title] => 'Multilayer compressive seal for sealing in high temperature devices' [patent_app_type] => utility [patent_app_number] => 10/656300 [patent_app_country] => US [patent_app_date] => 2003-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5844 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/258/07258942.pdf [firstpage_image] =>[orig_patent_app_number] => 10656300 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/656300
Multilayer compressive seal for sealing in high temperature devices Sep 3, 2003 Issued
Array ( [id] => 641568 [patent_doc_number] => 07122267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-17 [patent_title] => 'Fuel cell configured with discharge passages that preheat fuel gas and prevent cross leakage' [patent_app_type] => utility [patent_app_number] => 10/652800 [patent_app_country] => US [patent_app_date] => 2003-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8535 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/122/07122267.pdf [firstpage_image] =>[orig_patent_app_number] => 10652800 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/652800
Fuel cell configured with discharge passages that preheat fuel gas and prevent cross leakage Aug 27, 2003 Issued
Array ( [id] => 7082986 [patent_doc_number] => 20050048366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-03 [patent_title] => 'Cathode material and method of manufacturing' [patent_app_type] => utility [patent_app_number] => 10/648801 [patent_app_country] => US [patent_app_date] => 2003-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4900 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0048/20050048366.pdf [firstpage_image] =>[orig_patent_app_number] => 10648801 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/648801
Cathode material and method of manufacturing Aug 26, 2003 Abandoned
Array ( [id] => 633710 [patent_doc_number] => 07128765 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-31 [patent_title] => 'Method for providing a one-piece header assembly for hermetic battery terminal feedthrough, fill and closure designs' [patent_app_type] => utility [patent_app_number] => 10/640595 [patent_app_country] => US [patent_app_date] => 2003-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 3402 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/128/07128765.pdf [firstpage_image] =>[orig_patent_app_number] => 10640595 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/640595
Method for providing a one-piece header assembly for hermetic battery terminal feedthrough, fill and closure designs Aug 12, 2003 Issued
Array ( [id] => 7380882 [patent_doc_number] => 20040029009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-12 [patent_title] => 'Lithium secondary battery' [patent_app_type] => new [patent_app_number] => 10/381515 [patent_app_country] => US [patent_app_date] => 2003-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4403 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0029/20040029009.pdf [firstpage_image] =>[orig_patent_app_number] => 10381515 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/381515
Lithium secondary battery Aug 11, 2003 Abandoned
Array ( [id] => 7391867 [patent_doc_number] => 20040038107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-26 [patent_title] => 'High stability membrane for proton exchange membrane fuel cells' [patent_app_type] => new [patent_app_number] => 10/638904 [patent_app_country] => US [patent_app_date] => 2003-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3811 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0038/20040038107.pdf [firstpage_image] =>[orig_patent_app_number] => 10638904 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/638904
High stability membrane for proton exchange membrane fuel cells Aug 10, 2003 Issued
Array ( [id] => 894333 [patent_doc_number] => 07341799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-11 [patent_title] => 'Separator from a fuel cell having first and second portions of different materials' [patent_app_type] => utility [patent_app_number] => 10/632401 [patent_app_country] => US [patent_app_date] => 2003-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 7497 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/341/07341799.pdf [firstpage_image] =>[orig_patent_app_number] => 10632401 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/632401
Separator from a fuel cell having first and second portions of different materials Jul 30, 2003 Issued
Array ( [id] => 7334294 [patent_doc_number] => 20040131936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-08 [patent_title] => 'Amorphous electrode compositions' [patent_app_type] => new [patent_app_number] => 10/630501 [patent_app_country] => US [patent_app_date] => 2003-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5461 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0131/20040131936.pdf [firstpage_image] =>[orig_patent_app_number] => 10630501 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/630501
Amorphous electrode compositions Jul 29, 2003 Abandoned
Array ( [id] => 7153537 [patent_doc_number] => 20050026042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Polyimide-based battery for a portable electronic appliance' [patent_app_type] => utility [patent_app_number] => 10/628403 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2854 [patent_no_of_claims] => 17 [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/A1/0026/20050026042.pdf [firstpage_image] =>[orig_patent_app_number] => 10628403 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/628403
Polyimide-based battery for a portable electronic appliance Jul 28, 2003 Abandoned
Array ( [id] => 7146759 [patent_doc_number] => 20050023236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Fuel cartridge with flexible liner' [patent_app_type] => utility [patent_app_number] => 10/629004 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6397 [patent_no_of_claims] => 110 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20050023236.pdf [firstpage_image] =>[orig_patent_app_number] => 10629004 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/629004
Fuel cartridge with flexible liner containing insert Jul 28, 2003 Issued
Array ( [id] => 7397655 [patent_doc_number] => 20040023103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-05 [patent_title] => 'Air manager system for metal air battery' [patent_app_type] => new [patent_app_number] => 10/629929 [patent_app_country] => US [patent_app_date] => 2003-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2718 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0023/20040023103.pdf [firstpage_image] =>[orig_patent_app_number] => 10629929 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/629929
Air manager system for metal air battery Jul 28, 2003 Abandoned
Array ( [id] => 7153452 [patent_doc_number] => 20050026016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Fuel cell with integral manifold' [patent_app_type] => utility [patent_app_number] => 10/628946 [patent_app_country] => US [patent_app_date] => 2003-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3557 [patent_no_of_claims] => 64 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0026/20050026016.pdf [firstpage_image] =>[orig_patent_app_number] => 10628946 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/628946
Fuel cell with integral manifold Jul 27, 2003 Issued
Array ( [id] => 6912122 [patent_doc_number] => 20050175880 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Composite electrolyte membrane and fuel cell containing the same' [patent_app_type] => utility [patent_app_number] => 10/627705 [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] => 4167 [patent_no_of_claims] => 10 [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/A1/0175/20050175880.pdf [firstpage_image] =>[orig_patent_app_number] => 10627705 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/627705
Composite electrolyte membrane and fuel cell containing the same Jul 27, 2003 Issued
Array ( [id] => 7391834 [patent_doc_number] => 20040038102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-02-26 [patent_title] => 'Fuel cell stack' [patent_app_type] => new [patent_app_number] => 10/380503 [patent_app_country] => US [patent_app_date] => 2003-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4008 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0038/20040038102.pdf [firstpage_image] =>[orig_patent_app_number] => 10380503 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/380503
Fuel cell stack Jul 27, 2003 Abandoned
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