Search

Chinedu Charles Agwumezie

Examiner (ID: 2864, Phone: (571)272-6838 , Office: P/3685 )

Most Active Art Unit
3685
Art Unit(s)
3621, 3697, 3685
Total Applications
784
Issued Applications
318
Pending Applications
18
Abandoned Applications
449

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20204229 [patent_doc_number] => 12407014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => All-solid-state battery [patent_app_type] => utility [patent_app_number] => 17/293071 [patent_app_country] => US [patent_app_date] => 2019-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4300 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17293071 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/293071
All-solid-state battery Nov 27, 2019 Issued
Array ( [id] => 15970221 [patent_doc_number] => 20200168862 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => POWER TOOL SYSTEM AND BATTERY PACK THEREOF [patent_app_type] => utility [patent_app_number] => 16/697402 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16697402 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/697402
POWER TOOL SYSTEM AND BATTERY PACK THEREOF Nov 26, 2019 Abandoned
Array ( [id] => 17464166 [patent_doc_number] => 20220077472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => LITHIUM PRIMARY BATTERY HAVING IMPROVED OUTPUT CHARACTERISTICS, AND MANUFACTURING METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/416780 [patent_app_country] => US [patent_app_date] => 2019-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4244 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416780 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416780
Lithium primary battery having improved output characteristics, and manufacturing method therefor Nov 19, 2019 Issued
Array ( [id] => 18137563 [patent_doc_number] => 11563257 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Structurally cross-tied energy cell [patent_app_type] => utility [patent_app_number] => 16/684405 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 8305 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16684405 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/684405
Structurally cross-tied energy cell Nov 13, 2019 Issued
Array ( [id] => 16828124 [patent_doc_number] => 20210143417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => SOLID STATE LITHIUM ION RECHARGEABLE BATTERY [patent_app_type] => utility [patent_app_number] => 16/679369 [patent_app_country] => US [patent_app_date] => 2019-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16679369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/679369
Solid state lithium ion rechargeable battery Nov 10, 2019 Issued
Array ( [id] => 18919305 [patent_doc_number] => 11881597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Battery module with improved safety, battery pack comprising battery module, and vehicle comprising battery pack [patent_app_type] => utility [patent_app_number] => 17/048477 [patent_app_country] => US [patent_app_date] => 2019-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 7168 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17048477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/048477
Battery module with improved safety, battery pack comprising battery module, and vehicle comprising battery pack Nov 3, 2019 Issued
Array ( [id] => 17319488 [patent_doc_number] => 20210408538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/295213 [patent_app_country] => US [patent_app_date] => 2019-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17295213 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/295213
POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Oct 30, 2019 Pending
Array ( [id] => 15841635 [patent_doc_number] => 20200136100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => BATTERY [patent_app_type] => utility [patent_app_number] => 16/661496 [patent_app_country] => US [patent_app_date] => 2019-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6617 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16661496 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/661496
BATTERY Oct 22, 2019 Abandoned
Array ( [id] => 15874557 [patent_doc_number] => 20200144682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => SECONDARY BATTERY AND ACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/660507 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16660507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/660507
Secondary battery and active material Oct 21, 2019 Issued
Array ( [id] => 15874553 [patent_doc_number] => 20200144680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => SECONDARY BATTERY AND ACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/660514 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5947 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16660514 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/660514
Secondary battery and active material Oct 21, 2019 Issued
Array ( [id] => 20318228 [patent_doc_number] => 12456785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Battery module [patent_app_type] => utility [patent_app_number] => 17/295489 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3356 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17295489 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/295489
Battery module Sep 26, 2019 Issued
Array ( [id] => 17174565 [patent_doc_number] => 20210328236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => ELECTROCHEMICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/267455 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13090 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17267455 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/267455
ELECTROCHEMICAL SYSTEM Aug 5, 2019 Abandoned
Array ( [id] => 17559440 [patent_doc_number] => 11316164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Microbattery with through-silicon via electrodes [patent_app_type] => utility [patent_app_number] => 16/524843 [patent_app_country] => US [patent_app_date] => 2019-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 5158 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 16524843 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/524843
Microbattery with through-silicon via electrodes Jul 28, 2019 Issued
Array ( [id] => 18891257 [patent_doc_number] => 11870036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Lithium secondary battery having improved high-temperature characteristics [patent_app_type] => utility [patent_app_number] => 16/766976 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14987 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16766976 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/766976
Lithium secondary battery having improved high-temperature characteristics Jul 1, 2019 Issued
Array ( [id] => 17677230 [patent_doc_number] => 20220190397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => Lithium ion battery with high capacity retention rate, and preparation method and charging and discharging methods therefor [patent_app_type] => utility [patent_app_number] => 17/438318 [patent_app_country] => US [patent_app_date] => 2019-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8062 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17438318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/438318
Lithium ion battery with high capacity retention rate, and preparation method and charging and discharging methods therefor Jun 21, 2019 Pending
Array ( [id] => 17085892 [patent_doc_number] => 20210280899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => A HIGH-VOLTAGE ION-MEDIATED FLOW/FLOW-ASSIST MANGANESE DIOXIDE-ZINC BATTERY [patent_app_type] => utility [patent_app_number] => 17/251690 [patent_app_country] => US [patent_app_date] => 2019-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17251690 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/251690
High-voltage ion-mediated flow/flow-assist manganese dioxide-zinc battery Jun 12, 2019 Issued
Array ( [id] => 18048266 [patent_doc_number] => 11522224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Electrolyte for lithium secondary battery and lithium secondary battery including same [patent_app_type] => utility [patent_app_number] => 16/771327 [patent_app_country] => US [patent_app_date] => 2019-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5649 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16771327 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/771327
Electrolyte for lithium secondary battery and lithium secondary battery including same Jun 10, 2019 Issued
Array ( [id] => 17040989 [patent_doc_number] => 20210257625 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Resin Current Collector and Laminated Type Resin Current Collector, and Lithium Ion Battery Comprising This [patent_app_type] => utility [patent_app_number] => 16/973657 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16973657 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973657
Resin Current Collector and Laminated Type Resin Current Collector, and Lithium Ion Battery Comprising This May 29, 2019 Abandoned
Array ( [id] => 20118493 [patent_doc_number] => 12368214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Porous body, separator for lead acid storage batteries, and lead acid storage battery [patent_app_type] => utility [patent_app_number] => 16/981747 [patent_app_country] => US [patent_app_date] => 2019-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15105 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981747
Porous body, separator for lead acid storage batteries, and lead acid storage battery Mar 25, 2019 Issued
Array ( [id] => 16782170 [patent_doc_number] => 20210119249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => VOLTAGE SOURCE WITH AN ELECTROLYTE CONTAINING ALUMINIUM AND SILICON OXIDES, AND METHOD FOR MANUFACTURING THE VOLTAGE SOURCE [patent_app_type] => utility [patent_app_number] => 16/981799 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981799 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981799
VOLTAGE SOURCE WITH AN ELECTROLYTE CONTAINING ALUMINIUM AND SILICON OXIDES, AND METHOD FOR MANUFACTURING THE VOLTAGE SOURCE Mar 12, 2019 Pending
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