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] => 11615850 [patent_doc_number] => 09653716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-16 [patent_title] => 'Manufacturing method for battery case lid including explosion-proof valve' [patent_app_type] => utility [patent_app_number] => 15/011204 [patent_app_country] => US [patent_app_date] => 2016-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 28 [patent_no_of_words] => 9031 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15011204 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/011204
Manufacturing method for battery case lid including explosion-proof valve Jan 28, 2016 Issued
Array ( [id] => 10803057 [patent_doc_number] => 20160149214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-26 [patent_title] => 'SILICON OXIDE PARTICLES, MAKING METHOD, LITHIUM ION SECONDARY BATTERY, AND ELECTROCHEMICAL CAPACITOR' [patent_app_type] => utility [patent_app_number] => 15/009238 [patent_app_country] => US [patent_app_date] => 2016-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6783 [patent_no_of_claims] => 4 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15009238 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/009238
Silicon oxide particles, making method, lithium ion secondary battery, and electrochemical capacitor Jan 27, 2016 Issued
Array ( [id] => 12141386 [patent_doc_number] => 20180019469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-18 [patent_title] => 'ALLOY POWDER FOR ELECTRODES, NEGATIVE ELECTRODE FOR NICKEL-HYDROGEN STORAGE BATTERIES USING SAME AND NICKEL-HYDROGEN STORAGE BATTERY' [patent_app_type] => utility [patent_app_number] => 15/549679 [patent_app_country] => US [patent_app_date] => 2016-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9015 [patent_no_of_claims] => 14 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15549679 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549679
ALLOY POWDER FOR ELECTRODES, NEGATIVE ELECTRODE FOR NICKEL-HYDROGEN STORAGE BATTERIES USING SAME AND NICKEL-HYDROGEN STORAGE BATTERY Jan 24, 2016 Abandoned
Array ( [id] => 10772517 [patent_doc_number] => 20160118674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-28 [patent_title] => 'SEAL COMPOSITIONS, METHODS, AND STRUCTURES FOR PLANAR SOLID OXIDE FUEL CELLS' [patent_app_type] => utility [patent_app_number] => 14/992203 [patent_app_country] => US [patent_app_date] => 2016-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4749 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14992203 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/992203
Seal compositions, methods, and structures for planar solid oxide fuel cells Jan 10, 2016 Issued
Array ( [id] => 11728820 [patent_doc_number] => 20170190262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-06 [patent_title] => 'BATTERY MODULE LITHIUM PLATING REDUCTION' [patent_app_type] => utility [patent_app_number] => 14/989578 [patent_app_country] => US [patent_app_date] => 2016-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8091 [patent_no_of_claims] => 21 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14989578 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/989578
Battery module lithium plating reduction Jan 5, 2016 Issued
Array ( [id] => 11063990 [patent_doc_number] => 20160260952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-08 [patent_title] => 'CONNECTING STRUCTURE AND METHOD BETWEEN GRID AND ELECTRODE TAB OF SECONDARY BATTERY' [patent_app_type] => utility [patent_app_number] => 14/982175 [patent_app_country] => US [patent_app_date] => 2015-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3692 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14982175 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/982175
Connecting structure and method between grid and electrode tab of secondary battery Dec 28, 2015 Issued
Array ( [id] => 13819909 [patent_doc_number] => 10186733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-01-22 [patent_title] => Electrolytic solution for nonaqueous electrolytic solution secondary batteries and nonaqueous electrolytic solution secondary battery [patent_app_type] => utility [patent_app_number] => 15/545171 [patent_app_country] => US [patent_app_date] => 2015-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 41042 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 421 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15545171 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/545171
Electrolytic solution for nonaqueous electrolytic solution secondary batteries and nonaqueous electrolytic solution secondary battery Dec 27, 2015 Issued
Array ( [id] => 18032314 [patent_doc_number] => 11515516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Method of preparing cathode matertal for a battery [patent_app_type] => utility [patent_app_number] => 16/063968 [patent_app_country] => US [patent_app_date] => 2015-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 30 [patent_no_of_words] => 3971 [patent_no_of_claims] => 24 [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] =>[firstpage_image] =>[orig_patent_app_number] => 16063968 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063968
Method of preparing cathode matertal for a battery Dec 21, 2015 Issued
Array ( [id] => 13057749 [patent_doc_number] => 10050278 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-14 [patent_title] => Fuel cell electrode having nitrogen-doped graphene and passage channel [patent_app_type] => utility [patent_app_number] => 14/978740 [patent_app_country] => US [patent_app_date] => 2015-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 4788 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14978740 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/978740
Fuel cell electrode having nitrogen-doped graphene and passage channel Dec 21, 2015 Issued
Array ( [id] => 14985897 [patent_doc_number] => 10446871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-15 [patent_title] => Lithium salt compound, nonaqueous electrolyte solution using same, lithium ion secondary battery and lithium ion capacitor [patent_app_type] => utility [patent_app_number] => 15/572969 [patent_app_country] => US [patent_app_date] => 2015-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8803 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15572969 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/572969
Lithium salt compound, nonaqueous electrolyte solution using same, lithium ion secondary battery and lithium ion capacitor Dec 20, 2015 Issued
Array ( [id] => 12155012 [patent_doc_number] => 20180026276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'STAINLESS STEEL SHEET FOR SEPARATOR OF POLYMER ELECTROLYTE FUEL CELL' [patent_app_type] => utility [patent_app_number] => 15/546383 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6016 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15546383 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/546383
Stainless steel sheet for separator of polymer electrolyte fuel cell Dec 17, 2015 Issued
Array ( [id] => 15140185 [patent_doc_number] => 10483586 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => All-solid-state battery using sodium ion intercalation cathode with Li/Na exchanging layer [patent_app_type] => utility [patent_app_number] => 15/771566 [patent_app_country] => US [patent_app_date] => 2015-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3985 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15771566 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/771566
All-solid-state battery using sodium ion intercalation cathode with Li/Na exchanging layer Dec 16, 2015 Issued
Array ( [id] => 12129556 [patent_doc_number] => 20180013142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY COMPRISING SAME, AND METHOD FOR PREPARING ANODE ACTIVE MATERIAL' [patent_app_type] => utility [patent_app_number] => 15/547675 [patent_app_country] => US [patent_app_date] => 2015-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6693 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15547675 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/547675
Anode active material with a core-shell structure, lithium secondary battery comprising same, and method for preparing anode active material with a core-shell structure Dec 14, 2015 Issued
Array ( [id] => 16148891 [patent_doc_number] => 10707527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-07 [patent_title] => Gel polymer electrolyte, electrochemical device, and methods thereof [patent_app_type] => utility [patent_app_number] => 15/548164 [patent_app_country] => US [patent_app_date] => 2015-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7663 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15548164 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/548164
Gel polymer electrolyte, electrochemical device, and methods thereof Dec 13, 2015 Issued
Array ( [id] => 10984699 [patent_doc_number] => 20160181644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'ELECTROLYTE MEMBRANE ROLL BODY' [patent_app_type] => utility [patent_app_number] => 14/965977 [patent_app_country] => US [patent_app_date] => 2015-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5290 [patent_no_of_claims] => 3 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14965977 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/965977
Electrolyte membrane roll body Dec 10, 2015 Issued
Array ( [id] => 13668221 [patent_doc_number] => 10164295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Lead acid battery [patent_app_type] => utility [patent_app_number] => 15/549867 [patent_app_country] => US [patent_app_date] => 2015-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3609 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15549867 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549867
Lead acid battery Dec 3, 2015 Issued
Array ( [id] => 13668221 [patent_doc_number] => 10164295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Lead acid battery [patent_app_type] => utility [patent_app_number] => 15/549867 [patent_app_country] => US [patent_app_date] => 2015-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3609 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15549867 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549867
Lead acid battery Dec 3, 2015 Issued
Array ( [id] => 13668221 [patent_doc_number] => 10164295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Lead acid battery [patent_app_type] => utility [patent_app_number] => 15/549867 [patent_app_country] => US [patent_app_date] => 2015-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3609 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15549867 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549867
Lead acid battery Dec 3, 2015 Issued
Array ( [id] => 13668221 [patent_doc_number] => 10164295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-12-25 [patent_title] => Lead acid battery [patent_app_type] => utility [patent_app_number] => 15/549867 [patent_app_country] => US [patent_app_date] => 2015-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3609 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15549867 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/549867
Lead acid battery Dec 3, 2015 Issued
Array ( [id] => 12478833 [patent_doc_number] => 09991534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Method and apparatus for recovering performance of fuel cell stack [patent_app_type] => utility [patent_app_number] => 14/955672 [patent_app_country] => US [patent_app_date] => 2015-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3932 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14955672 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/955672
Method and apparatus for recovering performance of fuel cell stack Nov 30, 2015 Issued
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