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] => 19153963 [patent_doc_number] => 11978888 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same [patent_app_type] => utility [patent_app_number] => 16/960464 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 8279 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16960464 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/960464
Ceria-carbon-sulfur composite, method for preparing same, and positive electrode and lithium-sulfur battery comprising same Mar 12, 2019 Issued
Array ( [id] => 16560727 [patent_doc_number] => 20210005876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => COMPOSITE FOR FORMING ELECTRODE, METHOD OF MANUFACTURING ELECTRODE, AND METHOD OF MANUFACTURING NONAQUEOUS ELECTRIC STORAGE ELEMENT [patent_app_type] => utility [patent_app_number] => 16/975968 [patent_app_country] => US [patent_app_date] => 2019-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12065 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16975968 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/975968
COMPOSITE FOR FORMING ELECTRODE, METHOD OF MANUFACTURING ELECTRODE, AND METHOD OF MANUFACTURING NONAQUEOUS ELECTRIC STORAGE ELEMENT Mar 11, 2019 Abandoned
Array ( [id] => 16625250 [patent_doc_number] => 20210043903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND METHODS FOR MAKING AND USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/977481 [patent_app_country] => US [patent_app_date] => 2019-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10964 [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] => 16977481 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/977481
MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND METHODS FOR MAKING AND USING THE SAME Feb 28, 2019 Abandoned
Array ( [id] => 17263405 [patent_doc_number] => 20210376390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES [patent_app_type] => utility [patent_app_number] => 16/979650 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6570 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16979650 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/979650
Nonaqueous electrolyte secondary battery and method for manufacturing nonaqueous electrolyte secondary batteries Feb 12, 2019 Issued
Array ( [id] => 16731646 [patent_doc_number] => 20210098794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => NEGATIVE ELECTRODE CURRENT COLLECTOR FOR LITHIUM METAL BATTERY, SECONDARY BATTERY INCLUDING THE SAME, AND METHOD FOR MANUFACTURING NEGATIVE ELECTRODE CURRENT COLLECTOR FOR LITHIUM METAL BATTERY [patent_app_type] => utility [patent_app_number] => 16/954803 [patent_app_country] => US [patent_app_date] => 2019-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16954803 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/954803
Negative electrode current collector for lithium metal battery, secondary battery including the same, and method for manufacturing negative electrode current collector for lithium metal battery Feb 12, 2019 Issued
Array ( [id] => 17432141 [patent_doc_number] => 20220059851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => METAL SEAWATER FUEL CELL [patent_app_type] => utility [patent_app_number] => 17/413899 [patent_app_country] => US [patent_app_date] => 2018-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17413899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/413899
Metal seawater fuel cell Dec 16, 2018 Issued
Array ( [id] => 16905288 [patent_doc_number] => 20210184204 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SILICON OXIDE COMPOSITE AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/768275 [patent_app_country] => US [patent_app_date] => 2018-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16768275 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/768275
Negative electrode active material for non-aqueous electrolyte secondary battery comprising silicon oxide composite and manufacturing method thereof Dec 2, 2018 Issued
Array ( [id] => 16210858 [patent_doc_number] => 20200243848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => NEGATIVE ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/652283 [patent_app_country] => US [patent_app_date] => 2018-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7122 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16652283 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/652283
Negative electrode and secondary battery including the same Nov 29, 2018 Issued
Array ( [id] => 19741472 [patent_doc_number] => 12218321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Catalyst device for lead-acid battery, and lead-acid battery [patent_app_type] => utility [patent_app_number] => 17/295831 [patent_app_country] => US [patent_app_date] => 2018-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7478 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17295831 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/295831
Catalyst device for lead-acid battery, and lead-acid battery Nov 25, 2018 Issued
Array ( [id] => 19261156 [patent_doc_number] => 12021225 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Electrode assembly having improved safety of use by means of exterior material pattern structure, and lithium-ion secondary battery having same [patent_app_type] => utility [patent_app_number] => 16/765994 [patent_app_country] => US [patent_app_date] => 2018-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5511 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16765994 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/765994
Electrode assembly having improved safety of use by means of exterior material pattern structure, and lithium-ion secondary battery having same Nov 20, 2018 Issued
Array ( [id] => 15939987 [patent_doc_number] => 20200161627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => METHOD FOR MANUFACTURING ELECTRODE [patent_app_type] => utility [patent_app_number] => 16/615373 [patent_app_country] => US [patent_app_date] => 2018-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16615373 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/615373
Method for manufacturing electrode Nov 19, 2018 Issued
Array ( [id] => 16402686 [patent_doc_number] => 20200343544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE INCLUDING THE SAME, AND SECONDARY BATTERY INCLUDING THE NEGATIVE ELECTRODE [patent_app_type] => utility [patent_app_number] => 16/762080 [patent_app_country] => US [patent_app_date] => 2018-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16762080 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/762080
Negative electrode active material, negative electrode including the same, and secondary battery including the negative electrode Nov 8, 2018 Issued
Array ( [id] => 16425436 [patent_doc_number] => 20200350634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => CYLINDRICAL SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/762720 [patent_app_country] => US [patent_app_date] => 2018-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16762720 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/762720
CYLINDRICAL SECONDARY BATTERY Oct 30, 2018 Abandoned
Array ( [id] => 16905343 [patent_doc_number] => 20210184259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => ADDITIVE FOR NONAQUEOUS ELECTROLYTE SOLUTIONS, NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY STORAGE DEVICE [patent_app_type] => utility [patent_app_number] => 16/760336 [patent_app_country] => US [patent_app_date] => 2018-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16760336 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/760336
Additive for nonaqueous electrolyte solutions, nonaqueous electrolyte solution and electricity storage device Oct 29, 2018 Issued
Array ( [id] => 18804552 [patent_doc_number] => 11837718 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Negative electrode for lithium secondary battery and lithium secondary battery comprising the same [patent_app_type] => utility [patent_app_number] => 16/642751 [patent_app_country] => US [patent_app_date] => 2018-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 8697 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16642751 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/642751
Negative electrode for lithium secondary battery and lithium secondary battery comprising the same Oct 10, 2018 Issued
Array ( [id] => 19370703 [patent_doc_number] => 12062799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Fabrication of micro/millimeter-scale power sources and the process flow therefor [patent_app_type] => utility [patent_app_number] => 16/755174 [patent_app_country] => US [patent_app_date] => 2018-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 4457 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16755174 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/755174
Fabrication of micro/millimeter-scale power sources and the process flow therefor Oct 8, 2018 Issued
Array ( [id] => 16286428 [patent_doc_number] => 20200280030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => VENTILATION DEVICE FOR BATTERY AND BATTERY COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 16/646095 [patent_app_country] => US [patent_app_date] => 2018-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16646095 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/646095
Ventilation device for battery and battery comprising the same Oct 4, 2018 Issued
Array ( [id] => 16332762 [patent_doc_number] => 20200303728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME [patent_app_type] => utility [patent_app_number] => 16/649391 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16649391 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/649391
Negative electrode for lithium secondary battery, method for manufacturing same, and lithium secondary battery comprising same Sep 18, 2018 Issued
Array ( [id] => 16286425 [patent_doc_number] => 20200280027 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => CYLINDRICAL NONAQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/645661 [patent_app_country] => US [patent_app_date] => 2018-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16645661 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/645661
CYLINDRICAL NONAQUEOUS ELECTROLYTE SECONDARY BATTERY Sep 9, 2018 Abandoned
Array ( [id] => 16272637 [patent_doc_number] => 20200274125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => SEPARATOR FOR LITHIUM ION BATTERY [patent_app_type] => utility [patent_app_number] => 16/646650 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9305 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16646650 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/646650
SEPARATOR FOR LITHIUM ION BATTERY Aug 30, 2018 Abandoned
Menu