Search

Fred Tzeng

Examiner (ID: 826, Phone: (571)272-7565 , Office: P/2695 )

Most Active Art Unit
2627
Art Unit(s)
2695, 2651, 2752, 2625, 2627, 2186, 2686
Total Applications
1782
Issued Applications
1600
Pending Applications
63
Abandoned Applications
139

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20333002 [patent_doc_number] => 12463288 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Battery, electric apparatus, and method and apparatus for manufacturing battery [patent_app_type] => utility [patent_app_number] => 17/842555 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 5875 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17842555 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/842555
Battery, electric apparatus, and method and apparatus for manufacturing battery Jun 15, 2022 Issued
Array ( [id] => 18267322 [patent_doc_number] => 20230088564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-23 [patent_title] => LOOPED BATTERY TAB WITH OXIDE COATING [patent_app_type] => utility [patent_app_number] => 17/841285 [patent_app_country] => US [patent_app_date] => 2022-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17841285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/841285
LOOPED BATTERY TAB WITH OXIDE COATING Jun 14, 2022 Abandoned
Array ( [id] => 18283758 [patent_doc_number] => 20230099230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => LIQUID RESISTANT BATTERY PACK [patent_app_type] => utility [patent_app_number] => 17/839911 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17839911 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/839911
LIQUID RESISTANT BATTERY PACK Jun 13, 2022 Pending
Array ( [id] => 18821606 [patent_doc_number] => 20230395947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => BATTERY SYSTEMS, METHODS, AND VEHICLES WITH INTERCONNECT BOARD ASSEMBLIES HAVING MULTILAYER CURRENT COLLECTORS [patent_app_type] => utility [patent_app_number] => 17/833226 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7350 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833226 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833226
Battery systems, methods, and vehicles with interconnect board assemblies having multilayer current collectors Jun 5, 2022 Issued
Array ( [id] => 18024840 [patent_doc_number] => 20220376339 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => BATTERY PACK [patent_app_type] => utility [patent_app_number] => 17/751508 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17751508 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/751508
BATTERY PACK May 22, 2022 Pending
Array ( [id] => 18024820 [patent_doc_number] => 20220376319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => BATTERY PACK [patent_app_type] => utility [patent_app_number] => 17/751568 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17751568 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/751568
BATTERY PACK May 22, 2022 Pending
Array ( [id] => 17841010 [patent_doc_number] => 20220278316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => METHODS FOR PRELITHIATION OF SILICON CONTAINING ELECTRODES [patent_app_type] => utility [patent_app_number] => 17/746510 [patent_app_country] => US [patent_app_date] => 2022-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17746510 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/746510
METHODS FOR PRELITHIATION OF SILICON CONTAINING ELECTRODES May 16, 2022 Pending
Array ( [id] => 18024869 [patent_doc_number] => 20220376368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => TERMINAL COMPONENT, SECONDARY BATTERY, AND METHOD FOR PRODUCING THE TERMINAL COMPONENT [patent_app_type] => utility [patent_app_number] => 17/662872 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7358 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17662872 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/662872
TERMINAL COMPONENT, SECONDARY BATTERY, AND METHOD FOR PRODUCING THE TERMINAL COMPONENT May 10, 2022 Pending
Array ( [id] => 17964053 [patent_doc_number] => 20220344634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => PROCESS FOR MAKING A CATHODE, AND INTERMEDIATES SUITABLE THEREFOR [patent_app_type] => utility [patent_app_number] => 17/662456 [patent_app_country] => US [patent_app_date] => 2022-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11701 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17662456 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/662456
PROCESS FOR MAKING A CATHODE, AND INTERMEDIATES SUITABLE THEREFOR May 8, 2022 Abandoned
Array ( [id] => 20332954 [patent_doc_number] => 12463239 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => In-line manufacturing apparatus for lithium metal battery [patent_app_type] => utility [patent_app_number] => 18/292331 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18292331 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/292331
In-line manufacturing apparatus for lithium metal battery Apr 28, 2022 Issued
Array ( [id] => 17796109 [patent_doc_number] => 20220255201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => FLEXIBLE BATTERY [patent_app_type] => utility [patent_app_number] => 17/724348 [patent_app_country] => US [patent_app_date] => 2022-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 17724348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/724348
Flexible battery Apr 18, 2022 Issued
Array ( [id] => 18680465 [patent_doc_number] => 20230318126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => Secondary Battery [patent_app_type] => utility [patent_app_number] => 18/029270 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18029270 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/029270
Secondary Battery Apr 14, 2022 Pending
Array ( [id] => 20389402 [patent_doc_number] => 12489138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Intermediate product of solid electrolyte, solid electrolyte using same, secondary battery including same, and method for manufacturing same [patent_app_type] => utility [patent_app_number] => 17/659369 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5813 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17659369 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/659369
Intermediate product of solid electrolyte, solid electrolyte using same, secondary battery including same, and method for manufacturing same Apr 14, 2022 Issued
Array ( [id] => 18097946 [patent_doc_number] => 20220416287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 17/710630 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11576 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710630
ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE Mar 30, 2022 Pending
Array ( [id] => 19796567 [patent_doc_number] => 12237542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Electrochemical device and electronic device containing the same [patent_app_type] => utility [patent_app_number] => 17/710131 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 13423 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710131
Electrochemical device and electronic device containing the same Mar 30, 2022 Issued
Array ( [id] => 17738393 [patent_doc_number] => 20220223855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => METHOD FOR PRODUCING SILICON-BASED ANODES FOR SECONDARY BATTERIES [patent_app_type] => utility [patent_app_number] => 17/709496 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17709496 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/709496
METHOD FOR PRODUCING SILICON-BASED ANODES FOR SECONDARY BATTERIES Mar 30, 2022 Abandoned
Array ( [id] => 17738397 [patent_doc_number] => 20220223859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => POSITIVE ELECTRODE LITHIUM SUPPLEMENTING MATERIAL, POSITIVE ELECTRODE CONTAINING POSITIVE ELECTRODE LITHIUM SUPPLEMENTING MATERIAL, AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/708129 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17708129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/708129
POSITIVE ELECTRODE LITHIUM SUPPLEMENTING MATERIAL, POSITIVE ELECTRODE CONTAINING POSITIVE ELECTRODE LITHIUM SUPPLEMENTING MATERIAL, AND PREPARATION METHOD THEREOF Mar 29, 2022 Pending
Array ( [id] => 20611188 [patent_doc_number] => 12586793 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Electrochemical device and electronic device [patent_app_type] => utility [patent_app_number] => 17/708115 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1728 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17708115 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/708115
Electrochemical device and electronic device Mar 29, 2022 Issued
Array ( [id] => 20333011 [patent_doc_number] => 12463297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Secondary battery, battery module, and device using battery as power supply [patent_app_type] => utility [patent_app_number] => 17/702908 [patent_app_country] => US [patent_app_date] => 2022-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 3546 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17702908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/702908
Secondary battery, battery module, and device using battery as power supply Mar 23, 2022 Issued
Array ( [id] => 20333018 [patent_doc_number] => 12463304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Laminated battery [patent_app_type] => utility [patent_app_number] => 17/697924 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 1256 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 421 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17697924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/697924
Laminated battery Mar 17, 2022 Issued
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