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] => 13379119 [patent_doc_number] => 20180241101 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => Portable Computer Battery Indicator [patent_app_type] => utility [patent_app_number] => 15/962371 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962371 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962371
Portable computer battery indicator Apr 24, 2018 Issued
Array ( [id] => 15000707 [patent_doc_number] => 20190319311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => Lead acid battery with titanium core grids having titanium suboxide coating [patent_app_type] => utility [patent_app_number] => 15/932666 [patent_app_country] => US [patent_app_date] => 2018-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1960 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15932666 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/932666
Lead acid battery with titanium core grids having titanium suboxide coating Apr 16, 2018 Abandoned
Array ( [id] => 17517167 [patent_doc_number] => 11296328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Porous catalyst, catalyst layer for fuel cell, electrode, membrane electrode assembly and fuel cell, and method for producing porous catalyst [patent_app_type] => utility [patent_app_number] => 16/604661 [patent_app_country] => US [patent_app_date] => 2018-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11474 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16604661 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/604661
Porous catalyst, catalyst layer for fuel cell, electrode, membrane electrode assembly and fuel cell, and method for producing porous catalyst Apr 15, 2018 Issued
Array ( [id] => 16796447 [patent_doc_number] => 20210126264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => CATALYST FOR SOLID POLYMER FUEL CELLS AND METHOD FOR PRODUCING SAME [patent_app_type] => utility [patent_app_number] => 16/605738 [patent_app_country] => US [patent_app_date] => 2018-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9054 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16605738 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/605738
Catalyst for solid polymer fuel cells and method for producing same Apr 15, 2018 Issued
Array ( [id] => 16796445 [patent_doc_number] => 20210126262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => MEMBRANE ELECTRODE ASSEMBLY WITH IMPROVED COHESION [patent_app_type] => utility [patent_app_number] => 16/604537 [patent_app_country] => US [patent_app_date] => 2018-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16604537 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/604537
Membrane electrode assembly with improved cohesion Apr 12, 2018 Issued
Array ( [id] => 15841777 [patent_doc_number] => 20200136171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => HIGH CAPACITY BATTERIES AND COMPONENTS THEREOF [patent_app_type] => utility [patent_app_number] => 16/603775 [patent_app_country] => US [patent_app_date] => 2018-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16603775 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/603775
High capacity batteries and components thereof Apr 9, 2018 Issued
Array ( [id] => 13350179 [patent_doc_number] => 20180226629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => CURRENT COLLECTOR, SECONDARY BATTERY, ELECTRONIC DEVICE, AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 15/944023 [patent_app_country] => US [patent_app_date] => 2018-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14767 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15944023 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/944023
CURRENT COLLECTOR, SECONDARY BATTERY, ELECTRONIC DEVICE, AND MANUFACTURING METHOD THEREOF Apr 2, 2018 Abandoned
Array ( [id] => 14398499 [patent_doc_number] => 10312543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-04 [patent_title] => Apparatus for rapidly stacking fuel cell stack using automatic stacking and pressurization of fuel cell components [patent_app_type] => utility [patent_app_number] => 15/938889 [patent_app_country] => US [patent_app_date] => 2018-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 26 [patent_no_of_words] => 17133 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15938889 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/938889
Apparatus for rapidly stacking fuel cell stack using automatic stacking and pressurization of fuel cell components Mar 27, 2018 Issued
Array ( [id] => 15462875 [patent_doc_number] => 20200044262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => NOVEL LEAKS CONTAINMENT EMBODIMENT FOR ELECTROCHEMICAL STACK [patent_app_type] => utility [patent_app_number] => 16/498400 [patent_app_country] => US [patent_app_date] => 2018-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16498400 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/498400
Leaks containment embodiment for electrochemical stack Mar 26, 2018 Issued
Array ( [id] => 14111109 [patent_doc_number] => 20190097230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => CATHODE MATERIAL FOR LITHIUM-ION SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME, CATHODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 15/936066 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15936066 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/936066
Cathode material for lithium-ion secondary battery and method for manufacturing the same, cathode for lithium-ion secondary battery, and lithium-ion secondary battery Mar 25, 2018 Issued
Array ( [id] => 17063418 [patent_doc_number] => 11108033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Electrochemical device and method for charging the electrochemical device [patent_app_type] => utility [patent_app_number] => 16/496579 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 20 [patent_no_of_words] => 5975 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16496579 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/496579
Electrochemical device and method for charging the electrochemical device Mar 25, 2018 Issued
Array ( [id] => 14050415 [patent_doc_number] => 20190081315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-14 [patent_title] => METHOD OF MANUFACTURE OF AN ENERGY STORAGE DEVICE HAVING AN INTERNAL FUSE [patent_app_type] => utility [patent_app_number] => 15/927078 [patent_app_country] => US [patent_app_date] => 2018-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15927078 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/927078
Method of manufacture of an energy storage device having an internal fuse Mar 19, 2018 Issued
Array ( [id] => 16280437 [patent_doc_number] => 10763481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Lithium storage device with improved safety architecture [patent_app_type] => utility [patent_app_number] => 15/927075 [patent_app_country] => US [patent_app_date] => 2018-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 13780 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15927075 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/927075
Lithium storage device with improved safety architecture Mar 19, 2018 Issued
Array ( [id] => 16708011 [patent_doc_number] => 10957956 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-23 [patent_title] => Energy storage device having a current collector with inherent current limitations [patent_app_type] => utility [patent_app_number] => 15/927072 [patent_app_country] => US [patent_app_date] => 2018-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 13762 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15927072 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/927072
Energy storage device having a current collector with inherent current limitations Mar 19, 2018 Issued
Array ( [id] => 13452557 [patent_doc_number] => 20180277821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => CELL AND ELECTROCHEMICAL DEVICE [patent_app_type] => utility [patent_app_number] => 15/925660 [patent_app_country] => US [patent_app_date] => 2018-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 551 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15925660 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/925660
Cell and electrochemical device Mar 18, 2018 Issued
Array ( [id] => 15443655 [patent_doc_number] => 20200036011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => METAL POROUS BODY AND METHOD FOR PRODUCING METAL POROUS BODY [patent_app_type] => utility [patent_app_number] => 16/500981 [patent_app_country] => US [patent_app_date] => 2018-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16500981 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/500981
Metal porous body and method for producing metal porous body Mar 12, 2018 Issued
Array ( [id] => 12918862 [patent_doc_number] => 20180198130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => STORAGE BATTERY ELECTRODE, MANUFACTURING METHOD THEREOF, STORAGE BATTERY, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 15/914612 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914612 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914612
STORAGE BATTERY ELECTRODE, MANUFACTURING METHOD THEREOF, STORAGE BATTERY, AND ELECTRONIC DEVICE Mar 6, 2018 Abandoned
Array ( [id] => 16068301 [patent_doc_number] => 10693117 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-23 [patent_title] => Electrochemical systems with ionically conductive and electronically insulating separator [patent_app_type] => utility [patent_app_number] => 15/911020 [patent_app_country] => US [patent_app_date] => 2018-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 59 [patent_figures_cnt] => 68 [patent_no_of_words] => 45342 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15911020 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/911020
Electrochemical systems with ionically conductive and electronically insulating separator Mar 1, 2018 Issued
Array ( [id] => 14080189 [patent_doc_number] => 20190088982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-21 [patent_title] => SOLID ELECTROLYTE SEPARATOR, SECONDARY BATTERY, BATTERY PACK, AND VEHICLE [patent_app_type] => utility [patent_app_number] => 15/907781 [patent_app_country] => US [patent_app_date] => 2018-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19726 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15907781 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/907781
Solid electrolyte separator, secondary battery, battery pack, and vehicle Feb 27, 2018 Issued
Array ( [id] => 12897358 [patent_doc_number] => 20180190961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-05 [patent_title] => WELDING PROCESS FOR A BATTERY MODULE [patent_app_type] => utility [patent_app_number] => 15/908598 [patent_app_country] => US [patent_app_date] => 2018-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908598 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908598
Welding process for a battery module Feb 27, 2018 Issued
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