Search

Heng M. Chan

Examiner (ID: 4924, Phone: (571)270-5859 , Office: P/1725 )

Most Active Art Unit
1725
Art Unit(s)
1795, 1793, 1728, 1725
Total Applications
467
Issued Applications
288
Pending Applications
35
Abandoned Applications
157

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20382185 [patent_doc_number] => 20250364678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => BATTERY AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 19/295673 [patent_app_country] => US [patent_app_date] => 2025-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20527 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19295673 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/295673
BATTERY AND ELECTRIC APPARATUS Aug 9, 2025 Pending
Array ( [id] => 19590387 [patent_doc_number] => 20240387944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/665563 [patent_app_country] => US [patent_app_date] => 2024-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18665563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/665563
POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE May 15, 2024 Pending
Array ( [id] => 19364535 [patent_doc_number] => 20240266569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => DEVICE FOR TREATING EXHAUST GAS FROM FUEL CELL [patent_app_type] => utility [patent_app_number] => 18/639516 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18639516 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/639516
Device for treating exhaust gas from fuel cell Apr 17, 2024 Issued
Array ( [id] => 19161561 [patent_doc_number] => 20240154268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => BATTERY CELL, METHOD AND APPARATUS OF MANUFACTURING THE SAME, BATTERY, AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/412333 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412333
Battery cell, method and apparatus of manufacturing the same, battery, and electric apparatus Jan 11, 2024 Issued
Array ( [id] => 19161445 [patent_doc_number] => 20240154152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => CELL TO HEAT SINK THERMAL ADHESIVE [patent_app_type] => utility [patent_app_number] => 18/412334 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8807 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412334 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412334
CELL TO HEAT SINK THERMAL ADHESIVE Jan 11, 2024 Pending
Array ( [id] => 19277590 [patent_doc_number] => 12027723 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Battery module including the center wall [patent_app_type] => utility [patent_app_number] => 18/450408 [patent_app_country] => US [patent_app_date] => 2023-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 5800 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18450408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/450408
Battery module including the center wall Aug 15, 2023 Issued
Array ( [id] => 19468440 [patent_doc_number] => 20240322110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => MULTIWALLED CARBON NANOTUBES BASED FLEXIBLE AND BINDER-FREE ANODE FOR LI-ION BATTERIES [patent_app_type] => utility [patent_app_number] => 18/223804 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3653 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18223804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/223804
MULTIWALLED CARBON NANOTUBES BASED FLEXIBLE AND BINDER-FREE ANODE FOR LI-ION BATTERIES Jul 18, 2023 Pending
Array ( [id] => 18975635 [patent_doc_number] => 20240055727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => LITHIUM CYLINDRICAL CELL CONFIGURED FOR DIRECT ELECTRODE-SEPARATOR CONTACT [patent_app_type] => utility [patent_app_number] => 18/203558 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203558 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203558
LITHIUM CYLINDRICAL CELL CONFIGURED FOR DIRECT ELECTRODE-SEPARATOR CONTACT May 29, 2023 Abandoned
Array ( [id] => 18975636 [patent_doc_number] => 20240055728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => LITHIUM CYLINDRICAL CELL CONFIGURED FOR DIRECT ELECTRODE-SEPARATOR CONTACT [patent_app_type] => utility [patent_app_number] => 18/203563 [patent_app_country] => US [patent_app_date] => 2023-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18203563 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/203563
LITHIUM CYLINDRICAL CELL CONFIGURED FOR DIRECT ELECTRODE-SEPARATOR CONTACT May 29, 2023 Abandoned
Array ( [id] => 19679568 [patent_doc_number] => 12191442 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Electrochemical device and electronic device including same [patent_app_type] => utility [patent_app_number] => 18/320077 [patent_app_country] => US [patent_app_date] => 2023-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10567 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18320077 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/320077
Electrochemical device and electronic device including same May 17, 2023 Issued
Array ( [id] => 19357113 [patent_doc_number] => 12057574 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Method of forming an anode structure with dielectric coating [patent_app_type] => utility [patent_app_number] => 18/315240 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 10190 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 18315240 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315240
Method of forming an anode structure with dielectric coating May 9, 2023 Issued
Array ( [id] => 18632022 [patent_doc_number] => 20230290927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => CONNECTING CONTACT LEADS TO LITHIUM-BASED ELECTRODES [patent_app_type] => utility [patent_app_number] => 18/311486 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311486
CONNECTING CONTACT LEADS TO LITHIUM-BASED ELECTRODES May 4, 2023 Abandoned
Array ( [id] => 19329039 [patent_doc_number] => 12046732 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Assembled battery and manufacturing method for the same [patent_app_type] => utility [patent_app_number] => 18/302735 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 20 [patent_no_of_words] => 14950 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302735
Assembled battery and manufacturing method for the same Apr 17, 2023 Issued
Array ( [id] => 18840349 [patent_doc_number] => 11848434 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-19 [patent_title] => Multifunctional metal-organic framework battery interface [patent_app_type] => utility [patent_app_number] => 18/146809 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12990 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18146809 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/146809
Multifunctional metal-organic framework battery interface Dec 26, 2022 Issued
Array ( [id] => 18696846 [patent_doc_number] => 20230327301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => BATTERY [patent_app_type] => utility [patent_app_number] => 18/086674 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18086674 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086674
BATTERY Dec 21, 2022 Pending
Array ( [id] => 18424368 [patent_doc_number] => 20230178833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/071418 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18071418 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/071418
SECONDARY BATTERY Nov 28, 2022 Pending
Array ( [id] => 20508051 [patent_doc_number] => 12542333 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => High-voltage battery module and method for producing a coolable high-voltage battery module with busbar integration [patent_app_type] => utility [patent_app_number] => 17/989855 [patent_app_country] => US [patent_app_date] => 2022-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17989855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/989855
HIGH-VOLTAGE BATTERY MODULE AND METHOD FOR PRODUCING A COOLABLE HIGH-VOLTAGE BATTERY MODULE WITH BUSBAR INTEGRATION Nov 17, 2022 Issued
Array ( [id] => 20375403 [patent_doc_number] => 12482847 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Method for manufacturing cell [patent_app_type] => utility [patent_app_number] => 17/985198 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 0 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 416 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985198 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985198
Method for manufacturing cell Nov 10, 2022 Issued
Array ( [id] => 19306159 [patent_doc_number] => 20240234739 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => ELECTRODE ASSEMBLIES HAVING ALLOYED INTERFACES AND METHODS OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 17/971326 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971326
ELECTRODE ASSEMBLIES HAVING ALLOYED INTERFACES AND METHODS OF FORMING THE SAME Oct 20, 2022 Pending
Array ( [id] => 19306159 [patent_doc_number] => 20240234739 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => ELECTRODE ASSEMBLIES HAVING ALLOYED INTERFACES AND METHODS OF FORMING THE SAME [patent_app_type] => utility [patent_app_number] => 17/971326 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8601 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17971326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/971326
ELECTRODE ASSEMBLIES HAVING ALLOYED INTERFACES AND METHODS OF FORMING THE SAME Oct 19, 2022 Pending
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