Search

Matthew W. Van Oudenaren

Examiner (ID: 3995, Phone: (571)270-7595 , Office: P/1729 )

Most Active Art Unit
1729
Art Unit(s)
1729, 1728
Total Applications
788
Issued Applications
564
Pending Applications
81
Abandoned Applications
150

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20423232 [patent_doc_number] => 20250385317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => SECONDARY BATTERY AND ELECTRIC DEVICE [patent_app_type] => utility [patent_app_number] => 19/302993 [patent_app_country] => US [patent_app_date] => 2025-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19302993 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/302993
SECONDARY BATTERY AND ELECTRIC DEVICE Aug 17, 2025 Pending
Array ( [id] => 20630645 [patent_doc_number] => 20260094934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-02 [patent_title] => SINGLE-ION ELECTROLYTES FOR SOLID-STATE ALKALINE BATTERIES [patent_app_type] => utility [patent_app_number] => 19/296208 [patent_app_country] => US [patent_app_date] => 2025-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19296208 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/296208
Single-ion electrolytes for solid-state alkaline batteries Aug 10, 2025 Issued
Array ( [id] => 20382039 [patent_doc_number] => 20250364532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 19/295868 [patent_app_country] => US [patent_app_date] => 2025-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19295868 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/295868
NEGATIVE ELECTRODE PLATE, SECONDARY BATTERY, AND ELECTRIC APPARATUS Aug 10, 2025 Pending
Array ( [id] => 19781759 [patent_doc_number] => 12230799 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-18 [patent_title] => Carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material, preparation method therefor and application thereof [patent_app_type] => utility [patent_app_number] => 18/816719 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6701 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816719
Carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material, preparation method therefor and application thereof Aug 26, 2024 Issued
Array ( [id] => 19407605 [patent_doc_number] => 20240291116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Battery Module [patent_app_type] => utility [patent_app_number] => 18/660664 [patent_app_country] => US [patent_app_date] => 2024-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9381 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660664 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660664
Battery Module May 9, 2024 Pending
Array ( [id] => 20305493 [patent_doc_number] => 12451495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Highly active, robust and versatile multifunctional, fully non-noble metals based electro-catalyst compositions and methods of making for energy conversion and storage [patent_app_type] => utility [patent_app_number] => 18/654149 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4933 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18654149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654149
Highly active, robust and versatile multifunctional, fully non-noble metals based electro-catalyst compositions and methods of making for energy conversion and storage May 2, 2024 Issued
Array ( [id] => 20495313 [patent_doc_number] => 12537190 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Electrodes, lithium-ion batteries, and methods of making and using same [patent_app_type] => utility [patent_app_number] => 18/638486 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 23 [patent_no_of_words] => 8356 [patent_no_of_claims] => 29 [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] => 18638486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/638486
Electrodes, lithium-ion batteries, and methods of making and using same Apr 16, 2024 Issued
Array ( [id] => 20931643 [patent_doc_number] => 12725837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-01 [patent_title] => Electrochemical device [patent_app_type] => utility [patent_app_number] => 18/627672 [patent_app_country] => US [patent_app_date] => 2024-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 25 [patent_no_of_words] => 3286 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18627672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/627672
ELECTROCHEMICAL DEVICE Apr 4, 2024 Pending
Array ( [id] => 19773583 [patent_doc_number] => 20250055009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => STABLE HIGH CONDUCTIVITY OXIDE ELECTROLYTE [patent_app_type] => utility [patent_app_number] => 18/623682 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623682
STABLE HIGH CONDUCTIVITY OXIDE ELECTROLYTE Mar 31, 2024 Abandoned
Array ( [id] => 19335878 [patent_doc_number] => 20240250308 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => ALL SOLID STATE BATTERY [patent_app_type] => utility [patent_app_number] => 18/583991 [patent_app_country] => US [patent_app_date] => 2024-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6859 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 18583991 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583991
ALL SOLID STATE BATTERY Feb 21, 2024 Pending
Array ( [id] => 19161435 [patent_doc_number] => 20240154142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => CARBON DIOXIDE PRODUCTION FROM CARBONATE FUEL CELLS [patent_app_type] => utility [patent_app_number] => 18/417088 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417088 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417088
Carbon dioxide production from carbonate fuel cells Jan 18, 2024 Issued
Array ( [id] => 19345043 [patent_doc_number] => 20240254006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => POSITIVE ELECTRODE NCM-BASED ACTIVE MATERIAL, POSITIVE ELECTRODE, AND BATTERY [patent_app_type] => utility [patent_app_number] => 18/416391 [patent_app_country] => US [patent_app_date] => 2024-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3734 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18416391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/416391
POSITIVE ELECTRODE NCM-BASED ACTIVE MATERIAL, POSITIVE ELECTRODE, AND BATTERY Jan 17, 2024 Pending
Array ( [id] => 19393165 [patent_doc_number] => 20240283035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE BATTERY [patent_app_type] => utility [patent_app_number] => 18/414471 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18414471 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414471
SOLID-STATE BATTERY AND METHOD OF MANUFACTURING SOLID-STATE BATTERY Jan 16, 2024 Pending
Array ( [id] => 20456122 [patent_doc_number] => 12519185 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Carbon adhered graphite tabs for battery terminal fastening [patent_app_type] => utility [patent_app_number] => 18/405610 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18405610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405610
Carbon adhered graphite tabs for battery terminal fastening Jan 4, 2024 Issued
Array ( [id] => 19613750 [patent_doc_number] => 20240399430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => RECYCLING OF BATTERIES WITH A VACUUM CRUSHING-VAPORIZATION-COLLECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/405952 [patent_app_country] => US [patent_app_date] => 2024-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14355 [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] => 18405952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405952
RECYCLING OF BATTERIES WITH A VACUUM CRUSHING-VAPORIZATION-COLLECTION SYSTEM Jan 4, 2024 Pending
Array ( [id] => 19286127 [patent_doc_number] => 20240222605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 18/398138 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18398138 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398138
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME Dec 26, 2023 Pending
Array ( [id] => 19221808 [patent_doc_number] => 20240186512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/523629 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523629 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523629
CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Nov 28, 2023 Pending
Array ( [id] => 19176487 [patent_doc_number] => 20240162461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => FUEL CELL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/388320 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388320 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388320
FUEL CELL SYSTEM Nov 8, 2023 Abandoned
Array ( [id] => 19171317 [patent_doc_number] => 20240157291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => CO2 Filtration Battery Blanket [patent_app_type] => utility [patent_app_number] => 18/503921 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503921 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503921
CO2 Filtration Battery Blanket Nov 6, 2023 Pending
Array ( [id] => 19191778 [patent_doc_number] => 20240170691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => BIPOLAR PLATES WITH FLOW CHANNELS FOR DIRECT DIFFUSION LAYER REACTANT INJECTION [patent_app_type] => utility [patent_app_number] => 18/503975 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503975 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503975
BIPOLAR PLATES WITH FLOW CHANNELS FOR DIRECT DIFFUSION LAYER REACTANT INJECTION Nov 6, 2023 Pending
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