
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |