Search

Allen H. Nguyen

Examiner (ID: 12950, Phone: (571)270-1229 , Office: P/2675 )

Most Active Art Unit
2675
Art Unit(s)
2683, 2635, 2625, 2682, 2675, 2681
Total Applications
1004
Issued Applications
875
Pending Applications
38
Abandoned Applications
106

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19221948 [patent_doc_number] => 20240186652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => ABSORBENT GLASS MAT BATTERY [patent_app_type] => utility [patent_app_number] => 18/405603 [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] => 6618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18405603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/405603
Absorbent glass mat battery Jan 4, 2024 Issued
Array ( [id] => 19415077 [patent_doc_number] => 12080920 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-03 [patent_title] => Automatic battery watering system [patent_app_type] => utility [patent_app_number] => 18/532831 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7966 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532831
Automatic battery watering system Dec 6, 2023 Issued
Array ( [id] => 19055285 [patent_doc_number] => 20240097254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => FASTENER-FREE CASING AND BATTERY MODULE [patent_app_type] => utility [patent_app_number] => 18/524317 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18524317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/524317
Fastener-free casing and battery module Nov 29, 2023 Issued
Array ( [id] => 19671139 [patent_doc_number] => 12183914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Non-aqueous electrolyte secondary battery [patent_app_type] => utility [patent_app_number] => 18/388907 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6050 [patent_no_of_claims] => 5 [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] => 18388907 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388907
Non-aqueous electrolyte secondary battery Nov 12, 2023 Issued
Array ( [id] => 19199308 [patent_doc_number] => 11996560 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-05-28 [patent_title] => Positive electrode material of lithium-ion battery and preparation method therefor [patent_app_type] => utility [patent_app_number] => 18/383715 [patent_app_country] => US [patent_app_date] => 2023-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 9987 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18383715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383715
Positive electrode material of lithium-ion battery and preparation method therefor Oct 24, 2023 Issued
Array ( [id] => 19741476 [patent_doc_number] => 12218325 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Process for removing impurities in the recycling of lithium-ion batteries [patent_app_type] => utility [patent_app_number] => 18/379807 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2642 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379807 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379807
Process for removing impurities in the recycling of lithium-ion batteries Oct 12, 2023 Issued
Array ( [id] => 20176040 [patent_doc_number] => 12394797 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Electrode slurry composition for lithium ion electrical storage devices [patent_app_type] => utility [patent_app_number] => 18/469181 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 12967 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469181
Electrode slurry composition for lithium ion electrical storage devices Sep 17, 2023 Issued
Array ( [id] => 19766110 [patent_doc_number] => 12224414 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Method and system for recovery of metals from spent lithium ion batteries [patent_app_type] => utility [patent_app_number] => 18/237751 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 3 [patent_no_of_words] => 7892 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237751
Method and system for recovery of metals from spent lithium ion batteries Aug 23, 2023 Issued
Array ( [id] => 19508096 [patent_doc_number] => 12119528 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Fuel cell stack assembly [patent_app_type] => utility [patent_app_number] => 18/235483 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 8094 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235483 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235483
Fuel cell stack assembly Aug 17, 2023 Issued
Array ( [id] => 18807751 [patent_doc_number] => 20230382084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => MOLDING PACKAGING MATERIAL, POWER STORAGE DEVICE PACKAGING CASE, AND POWER STORAGE DEVICE [patent_app_type] => utility [patent_app_number] => 18/231487 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231487 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231487
Molding packaging material, power storage device packaging case, and power storage device Aug 7, 2023 Issued
Array ( [id] => 20312162 [patent_doc_number] => 20250329791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => POLE PIECE, SECONDARY BATTERY, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/356369 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18356369 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/356369
POLE PIECE, SECONDARY BATTERY, AND ELECTRONIC DEVICE Jul 20, 2023 Pending
Array ( [id] => 18906457 [patent_doc_number] => 20240021942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => BATTERY BOX AND BATTERY MODULE [patent_app_type] => utility [patent_app_number] => 18/356986 [patent_app_country] => US [patent_app_date] => 2023-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18356986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/356986
Battery box and battery module Jul 20, 2023 Issued
Array ( [id] => 19261214 [patent_doc_number] => 12021285 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Dual leaf spring pressure plate for a flow battery stack [patent_app_type] => utility [patent_app_number] => 18/353960 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6202 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18353960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/353960
Dual leaf spring pressure plate for a flow battery stack Jul 17, 2023 Issued
Array ( [id] => 18793779 [patent_doc_number] => 11827529 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-28 [patent_title] => Ce and Zn-doped NiFe2O4 catalysts for urea fuel cells [patent_app_type] => utility [patent_app_number] => 18/219614 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3984 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18219614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219614
Ce and Zn-doped NiFe2O4 catalysts for urea fuel cells Jul 6, 2023 Issued
Array ( [id] => 18913175 [patent_doc_number] => 11876164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Electrode core encasing apparatus, battery cell assembling apparatus, and electrode core assembling method [patent_app_type] => utility [patent_app_number] => 18/348345 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 10280 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348345 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348345
Electrode core encasing apparatus, battery cell assembling apparatus, and electrode core assembling method Jul 6, 2023 Issued
Array ( [id] => 18866247 [patent_doc_number] => 20230420684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => CONDUCTIVE POLYMERS AND ELECTRODE PROCESSING USEFUL FOR LITHIUM BATTERIES [patent_app_type] => utility [patent_app_number] => 18/347757 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6455 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18347757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347757
CONDUCTIVE POLYMERS AND ELECTRODE PROCESSING USEFUL FOR LITHIUM BATTERIES Jul 5, 2023 Pending
Array ( [id] => 18743690 [patent_doc_number] => 20230352678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => Positive Electrode Active Material For Lithium Secondary Battery And Preparation Method Thereof [patent_app_type] => utility [patent_app_number] => 18/214800 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214800 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214800
Positive electrode active material for lithium secondary battery and preparation method thereof Jun 26, 2023 Issued
Array ( [id] => 18729693 [patent_doc_number] => 20230343990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => NONAQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/340986 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18340986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/340986
Nonaqueous electrolyte secondary battery Jun 25, 2023 Issued
Array ( [id] => 19306188 [patent_doc_number] => 20240234768 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => Fuel Cell Cooling Control System and Method [patent_app_type] => utility [patent_app_number] => 18/337848 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18337848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337848
Fuel Cell Cooling Control System and Method Jun 19, 2023 Pending
Array ( [id] => 19306188 [patent_doc_number] => 20240234768 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => Fuel Cell Cooling Control System and Method [patent_app_type] => utility [patent_app_number] => 18/337848 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6538 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18337848 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/337848
Fuel Cell Cooling Control System and Method Jun 18, 2023 Pending
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