Search

Heng M. Chan

Examiner (ID: 4169, Phone: (571)270-5859 , Office: P/1725 )

Most Active Art Unit
1725
Art Unit(s)
1795, 1725, 1728, 1793
Total Applications
482
Issued Applications
295
Pending Applications
40
Abandoned Applications
158

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20161501 [patent_doc_number] => 12388138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Battery pack lower box body, battery pack, apparatus, and assembly method of battery pack lower box body [patent_app_type] => utility [patent_app_number] => 17/729413 [patent_app_country] => US [patent_app_date] => 2022-04-26 [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] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729413
Battery pack lower box body, battery pack, apparatus, and assembly method of battery pack lower box body Apr 25, 2022 Issued
Array ( [id] => 20360305 [patent_doc_number] => 12476312 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Secondary battery [patent_app_type] => utility [patent_app_number] => 17/719876 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4729 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17719876 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/719876
Secondary battery Apr 12, 2022 Issued
Array ( [id] => 17780602 [patent_doc_number] => 20220246952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => BIPOLAR PLATE, METHOD OF PRODUCTION, AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 17/720001 [patent_app_country] => US [patent_app_date] => 2022-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17720001 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720001
BIPOLAR PLATE, METHOD OF PRODUCTION, AND USE THEREOF Apr 12, 2022 Pending
Array ( [id] => 20924056 [patent_doc_number] => 12719124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Power storage device [patent_app_type] => utility [patent_app_number] => 18/285081 [patent_app_country] => US [patent_app_date] => 2022-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 6930 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285081
POWER STORAGE DEVICE Mar 22, 2022 Pending
Array ( [id] => 17993822 [patent_doc_number] => 20220359859 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => CARBON NANOTUBE CARPET ON AND GROWN FROM COPPER [patent_app_type] => utility [patent_app_number] => 17/684239 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8894 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17684239 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/684239
CARBON NANOTUBE CARPET ON AND GROWN FROM COPPER Feb 28, 2022 Pending
Array ( [id] => 18579206 [patent_doc_number] => 11735748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Power generation cell and resin-framed membrane electrode assembly [patent_app_type] => utility [patent_app_number] => 17/681820 [patent_app_country] => US [patent_app_date] => 2022-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7632 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17681820 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/681820
Power generation cell and resin-framed membrane electrode assembly Feb 26, 2022 Issued
Array ( [id] => 19116858 [patent_doc_number] => 20240128608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/277953 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18277953 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/277953
BATTERY, AND BATTERY PACK AND VEHICLE COMPRISING THE SAME Feb 17, 2022 Pending
Array ( [id] => 17834060 [patent_doc_number] => 20220271364 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/668224 [patent_app_country] => US [patent_app_date] => 2022-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17668224 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/668224
Battery module and battery pack including the same Feb 8, 2022 Issued
Array ( [id] => 17834002 [patent_doc_number] => 20220271306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => POWER GENERATION CELL [patent_app_type] => utility [patent_app_number] => 17/665551 [patent_app_country] => US [patent_app_date] => 2022-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10050 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17665551 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/665551
Power generation cell Feb 5, 2022 Issued
Array ( [id] => 20469648 [patent_doc_number] => 12525691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Battery and electronic device [patent_app_type] => utility [patent_app_number] => 17/780709 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 3615 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17780709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/780709
Battery and electronic device Jan 17, 2022 Issued
Array ( [id] => 17709302 [patent_doc_number] => 20220209310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => HIGH TEMPERATURE LI-ION BATTERY CELLS UTILIZING BORON NITRIDE AEROGELS AND BORON NITRIDE NANOTUBES [patent_app_type] => utility [patent_app_number] => 17/573488 [patent_app_country] => US [patent_app_date] => 2022-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4504 [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] => 17573488 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573488
High temperature Li-ion battery cells utilizing boron nitride aerogels and boron nitride nanotubes Jan 10, 2022 Issued
Array ( [id] => 17551952 [patent_doc_number] => 20220123294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => Primary Alkaline Battery [patent_app_type] => utility [patent_app_number] => 17/646677 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15352 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17646677 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/646677
Primary alkaline battery Dec 29, 2021 Issued
Array ( [id] => 17552043 [patent_doc_number] => 20220123386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => ENERGY STORAGE MODULE [patent_app_type] => utility [patent_app_number] => 17/563964 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15923 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17563964 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563964
ENERGY STORAGE MODULE Dec 27, 2021 Pending
Array ( [id] => 19926569 [patent_doc_number] => 12300866 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Interconnects for solid oxide fuel cell comprising nano-sized oxide dispersion in ferritic stainless steel and manufacturing method thereof [patent_app_type] => utility [patent_app_number] => 17/563945 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 826 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563945 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563945
Interconnects for solid oxide fuel cell comprising nano-sized oxide dispersion in ferritic stainless steel and manufacturing method thereof Dec 27, 2021 Issued
Array ( [id] => 17486408 [patent_doc_number] => 20220093912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => Method Of Preparing Positive Electrode For Secondary Battery, Positive Electrode For Secondary Battery Prepared Thereby, And Lithium Secondary Battery Including The Positive Electrode [patent_app_type] => utility [patent_app_number] => 17/540744 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17540744 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/540744
Method Of Preparing Positive Electrode For Secondary Battery, Positive Electrode For Secondary Battery Prepared Thereby, And Lithium Secondary Battery Including The Positive Electrode Dec 1, 2021 Abandoned
Array ( [id] => 17477851 [patent_doc_number] => 20220085355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE, AND SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/533439 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17533439 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/533439
Negative electrode active material, negative electrode, and secondary battery Nov 22, 2021 Issued
Array ( [id] => 19217606 [patent_doc_number] => 20240182310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => REDUCED GRAPHENE OXIDE FOR SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND ELECTRODE AND SECONDARY BATTERY WHICH USE SAME [patent_app_type] => utility [patent_app_number] => 18/281554 [patent_app_country] => US [patent_app_date] => 2021-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18281554 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/281554
REDUCED GRAPHENE OXIDE FOR SECONDARY BATTERY, PREPARATION METHOD THEREFOR, AND ELECTRODE AND SECONDARY BATTERY WHICH USE SAME Nov 4, 2021 Pending
Array ( [id] => 20538721 [patent_doc_number] => 12555800 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Bipolar plate with stiffening structures [patent_app_type] => utility [patent_app_number] => 17/452369 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 23 [patent_no_of_words] => 6302 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17452369 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/452369
Bipolar plate with stiffening structures Oct 25, 2021 Issued
Array ( [id] => 20829583 [patent_doc_number] => 12683164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Negative electrode for lithium ion secondary battery [patent_app_type] => utility [patent_app_number] => 18/012217 [patent_app_country] => US [patent_app_date] => 2021-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2211 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18012217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012217
Negative electrode for lithium ion secondary battery Oct 11, 2021 Issued
Array ( [id] => 19906686 [patent_doc_number] => 12283707 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Battery cell stack spacer [patent_app_type] => utility [patent_app_number] => 17/450052 [patent_app_country] => US [patent_app_date] => 2021-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 6589 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450052
Battery cell stack spacer Oct 4, 2021 Issued
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