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] => 887429 [patent_doc_number] => 07348091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-25 [patent_title] => 'Fuel cell having flow passage' [patent_app_type] => utility [patent_app_number] => 10/499703 [patent_app_country] => US [patent_app_date] => 2003-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3234 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/348/07348091.pdf [firstpage_image] =>[orig_patent_app_number] => 10499703 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/499703
Fuel cell having flow passage Dec 9, 2003 Issued
Array ( [id] => 7183852 [patent_doc_number] => 20040083589 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-06 [patent_title] => 'Method for the producing electrodes, components, half cells and cells for eletrochemical energy converters' [patent_app_type] => new [patent_app_number] => 10/451418 [patent_app_country] => US [patent_app_date] => 2003-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2638 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 19 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0083/20040083589.pdf [firstpage_image] =>[orig_patent_app_number] => 10451418 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/451418
Method for the producing electrodes, components, half cells and cells for eletrochemical energy converters Dec 9, 2003 Abandoned
Array ( [id] => 7232652 [patent_doc_number] => 20040157112 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Electrode for fuel cell and fuel cell' [patent_app_type] => new [patent_app_number] => 10/724404 [patent_app_country] => US [patent_app_date] => 2003-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3779 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0157/20040157112.pdf [firstpage_image] =>[orig_patent_app_number] => 10724404 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/724404
Electrode for fuel cell and fuel cell Nov 30, 2003 Abandoned
Array ( [id] => 382924 [patent_doc_number] => 07306876 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Method for producing membrane-electrode structure and polymer electrolyte fuel cell' [patent_app_type] => utility [patent_app_number] => 10/721505 [patent_app_country] => US [patent_app_date] => 2003-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 25 [patent_no_of_words] => 10225 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/306/07306876.pdf [firstpage_image] =>[orig_patent_app_number] => 10721505 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/721505
Method for producing membrane-electrode structure and polymer electrolyte fuel cell Nov 25, 2003 Issued
Array ( [id] => 644875 [patent_doc_number] => 07118820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-10 [patent_title] => 'Method and apparatus for humidification control of an energy recovery device in a fuel cell power plant' [patent_app_type] => utility [patent_app_number] => 10/723502 [patent_app_country] => US [patent_app_date] => 2003-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5516 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/118/07118820.pdf [firstpage_image] =>[orig_patent_app_number] => 10723502 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/723502
Method and apparatus for humidification control of an energy recovery device in a fuel cell power plant Nov 25, 2003 Issued
Array ( [id] => 731951 [patent_doc_number] => 07037612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-02 [patent_title] => 'Moisture stabilization for a fuel cell power plant system' [patent_app_type] => utility [patent_app_number] => 10/723200 [patent_app_country] => US [patent_app_date] => 2003-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6745 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/037/07037612.pdf [firstpage_image] =>[orig_patent_app_number] => 10723200 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/723200
Moisture stabilization for a fuel cell power plant system Nov 25, 2003 Issued
Array ( [id] => 397463 [patent_doc_number] => 07294432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Battery having improved headspace insulator' [patent_app_type] => utility [patent_app_number] => 10/723317 [patent_app_country] => US [patent_app_date] => 2003-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5271 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/294/07294432.pdf [firstpage_image] =>[orig_patent_app_number] => 10723317 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/723317
Battery having improved headspace insulator Nov 25, 2003 Issued
Array ( [id] => 7677843 [patent_doc_number] => 20040151983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-05 [patent_title] => 'Proton-conducting gel, proton conductor, and processes for producing these' [patent_app_type] => new [patent_app_number] => 10/478202 [patent_app_country] => US [patent_app_date] => 2003-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7467 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0151/20040151983.pdf [firstpage_image] =>[orig_patent_app_number] => 10478202 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/478202
Proton-conducting gel, proton conductor, and processes for producing these Nov 25, 2003 Abandoned
Array ( [id] => 7426877 [patent_doc_number] => 20040209166 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Nickel hydrogen secondary battery' [patent_app_type] => new [patent_app_number] => 10/720700 [patent_app_country] => US [patent_app_date] => 2003-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6036 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0209/20040209166.pdf [firstpage_image] =>[orig_patent_app_number] => 10720700 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/720700
Nickel hydrogen secondary battery Nov 24, 2003 Abandoned
Array ( [id] => 4069 [patent_doc_number] => 07811709 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-12 [patent_title] => 'Negative electrode for nonaqueous secondary battery, process of producing the negative electrode, and nonaqueous secondary battery' [patent_app_type] => utility [patent_app_number] => 10/529487 [patent_app_country] => US [patent_app_date] => 2003-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 19190 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/811/07811709.pdf [firstpage_image] =>[orig_patent_app_number] => 10529487 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/529487
Negative electrode for nonaqueous secondary battery, process of producing the negative electrode, and nonaqueous secondary battery Nov 24, 2003 Issued
Array ( [id] => 7116442 [patent_doc_number] => 20050069743 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-31 [patent_title] => 'Stacked fuel cell and method for its maintenance' [patent_app_type] => utility [patent_app_number] => 10/715412 [patent_app_country] => US [patent_app_date] => 2003-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4771 [patent_no_of_claims] => 12 [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/A1/0069/20050069743.pdf [firstpage_image] =>[orig_patent_app_number] => 10715412 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/715412
Stacked fuel cell and method for its maintenance Nov 18, 2003 Abandoned
Array ( [id] => 7308149 [patent_doc_number] => 20040142242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-22 [patent_title] => 'Anode and battery using it' [patent_app_type] => new [patent_app_number] => 10/716302 [patent_app_country] => US [patent_app_date] => 2003-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5964 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0142/20040142242.pdf [firstpage_image] =>[orig_patent_app_number] => 10716302 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/716302
Anode for a battery and a battery using an anode Nov 17, 2003 Issued
Array ( [id] => 7489412 [patent_doc_number] => 08029930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-04 [patent_title] => 'Positive electrode material for lithium secondary battery, method for producing the same, and lithium secondary battery' [patent_app_type] => utility [patent_app_number] => 10/713104 [patent_app_country] => US [patent_app_date] => 2003-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5199 [patent_no_of_claims] => 12 [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/08/029/08029930.pdf [firstpage_image] =>[orig_patent_app_number] => 10713104 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/713104
Positive electrode material for lithium secondary battery, method for producing the same, and lithium secondary battery Nov 16, 2003 Issued
Array ( [id] => 7469902 [patent_doc_number] => 20040096713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-20 [patent_title] => 'Method and apparatus for controlling a combined heat and power fuel cell system' [patent_app_type] => new [patent_app_number] => 10/714232 [patent_app_country] => US [patent_app_date] => 2003-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 16169 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0096/20040096713.pdf [firstpage_image] =>[orig_patent_app_number] => 10714232 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714232
Method and apparatus for controlling a combined heat and power fuel cell system Nov 13, 2003 Abandoned
Array ( [id] => 7103709 [patent_doc_number] => 20050106435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Twin-wire arc deposited electrode, solid electrolyte membrane, membrane electrode assembly and fuel cell' [patent_app_type] => utility [patent_app_number] => 10/706205 [patent_app_country] => US [patent_app_date] => 2003-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8581 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0106/20050106435.pdf [firstpage_image] =>[orig_patent_app_number] => 10706205 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/706205
Twin-wire arc deposited electrode, solid electrolyte membrane, membrane electrode assembly and fuel cell Nov 12, 2003 Abandoned
Array ( [id] => 7420832 [patent_doc_number] => 20040229108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-18 [patent_title] => 'Anode structure for direct methanol fuel cell' [patent_app_type] => new [patent_app_number] => 10/704203 [patent_app_country] => US [patent_app_date] => 2003-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8062 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0229/20040229108.pdf [firstpage_image] =>[orig_patent_app_number] => 10704203 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/704203
Anode structure for direct methanol fuel cell Nov 6, 2003 Abandoned
Array ( [id] => 5902904 [patent_doc_number] => 20060046138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-02 [patent_title] => 'Separator with long-term stability for an electrochemical cell' [patent_app_type] => utility [patent_app_number] => 10/535400 [patent_app_country] => US [patent_app_date] => 2003-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9494 [patent_no_of_claims] => 29 [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/A1/0046/20060046138.pdf [firstpage_image] =>[orig_patent_app_number] => 10535400 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/535400
Separator with long-term stability for an electrochemical cell Nov 5, 2003 Issued
Array ( [id] => 6905386 [patent_doc_number] => 20050100781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'Actively controlled metal-air battery and method for operating same' [patent_app_type] => utility [patent_app_number] => 10/702003 [patent_app_country] => US [patent_app_date] => 2003-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8536 [patent_no_of_claims] => 35 [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/A1/0100/20050100781.pdf [firstpage_image] =>[orig_patent_app_number] => 10702003 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/702003
Actively controlled metal-air battery and method for operating same Nov 5, 2003 Abandoned
Array ( [id] => 7323052 [patent_doc_number] => 20040137292 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-15 [patent_title] => 'Method of operation fuel cell system and fuel cell system' [patent_app_type] => new [patent_app_number] => 10/696505 [patent_app_country] => US [patent_app_date] => 2003-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 29 [patent_no_of_words] => 27857 [patent_no_of_claims] => 106 [patent_no_of_ind_claims] => 28 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0137/20040137292.pdf [firstpage_image] =>[orig_patent_app_number] => 10696505 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/696505
Method of operating fuel cell system and fuel cell system Oct 29, 2003 Issued
Array ( [id] => 806506 [patent_doc_number] => 07419738 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-02 [patent_title] => 'Module for a fuel cell arrangement comprising plates joined by a seal' [patent_app_type] => utility [patent_app_number] => 10/694816 [patent_app_country] => US [patent_app_date] => 2003-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 3848 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/419/07419738.pdf [firstpage_image] =>[orig_patent_app_number] => 10694816 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/694816
Module for a fuel cell arrangement comprising plates joined by a seal Oct 28, 2003 Issued
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