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] => 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] => 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] => 17567013 [patent_doc_number] => 20220131162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [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 Pending
Array ( [id] => 18570854 [patent_doc_number] => 20230261191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [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] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18012217 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/012217
NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY Oct 11, 2021 Pending
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
Array ( [id] => 20161510 [patent_doc_number] => 12388148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Battery module, battery pack, and vehicle including same [patent_app_type] => utility [patent_app_number] => 17/919583 [patent_app_country] => US [patent_app_date] => 2021-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17919583 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/919583
Battery module, battery pack, and vehicle including same Sep 7, 2021 Issued
Array ( [id] => 17443514 [patent_doc_number] => 20220064019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => Alternative One-Pot Process for Making a Cam Precursor Using Metal Feedstocks [patent_app_type] => utility [patent_app_number] => 17/412994 [patent_app_country] => US [patent_app_date] => 2021-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5082 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -47 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17412994 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/412994
Alternative One-Pot Process for Making a Cam Precursor Using Metal Feedstocks Aug 25, 2021 Pending
Array ( [id] => 17796010 [patent_doc_number] => 20220255102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => DEVICE FOR TREATING EXHAUST GAS FROM FUEL CELL [patent_app_type] => utility [patent_app_number] => 17/400708 [patent_app_country] => US [patent_app_date] => 2021-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17400708 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/400708
Device for treating exhaust gas from fuel cell Aug 11, 2021 Issued
Array ( [id] => 17263345 [patent_doc_number] => 20210376330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => REACTION BARRIER BETWEEN ELECTRODE ACTIVE MATERIAL AND CURRENT COLLECTOR [patent_app_type] => utility [patent_app_number] => 17/399365 [patent_app_country] => US [patent_app_date] => 2021-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4937 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17399365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/399365
Reaction barrier between electrode active material and current collector Aug 10, 2021 Issued
Array ( [id] => 20482808 [patent_doc_number] => 12531285 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Thermal chain determination method and thermal chain detection system for battery pack [patent_app_type] => utility [patent_app_number] => 17/629676 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4923 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17629676 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/629676
Thermal chain determination method and thermal chain detection system for battery pack Apr 13, 2021 Issued
Array ( [id] => 19842905 [patent_doc_number] => 12255308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Sulfurized-carbon cathode with conductive carbon framework [patent_app_type] => utility [patent_app_number] => 17/430594 [patent_app_country] => US [patent_app_date] => 2021-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 26 [patent_no_of_words] => 9938 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430594
Sulfurized-carbon cathode with conductive carbon framework Mar 24, 2021 Issued
Array ( [id] => 17145639 [patent_doc_number] => 20210313652 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL BATTERY [patent_app_type] => utility [patent_app_number] => 17/207794 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7137 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17207794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/207794
GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND FUEL BATTERY Mar 21, 2021 Abandoned
Array ( [id] => 17326758 [patent_doc_number] => 11217784 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-04 [patent_title] => Positive electrode structure for secondary battery [patent_app_type] => utility [patent_app_number] => 17/190814 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6398 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17190814 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/190814
Positive electrode structure for secondary battery Mar 2, 2021 Issued
Array ( [id] => 19766112 [patent_doc_number] => 12224416 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-11 [patent_title] => Battery module and battery pack including the same [patent_app_type] => utility [patent_app_number] => 17/779950 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 4103 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17779950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/779950
Battery module and battery pack including the same Mar 1, 2021 Issued
Array ( [id] => 18178215 [patent_doc_number] => 20230038944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Battery Housing With a Protective Cap, Battery and Motor Vehicle [patent_app_type] => utility [patent_app_number] => 17/793087 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2854 [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] => 17793087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/793087
Battery Housing With a Protective Cap, Battery and Motor Vehicle Feb 28, 2021 Pending
Array ( [id] => 18244924 [patent_doc_number] => 20230077235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => NONWOVEN FABRIC FOR LEAD ACID BATTERIES USING GLASS FIBER AND HEAT-FUSIBLE BINDER FIBER [patent_app_type] => utility [patent_app_number] => 17/801499 [patent_app_country] => US [patent_app_date] => 2021-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17801499 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/801499
NONWOVEN FABRIC FOR LEAD ACID BATTERIES USING GLASS FIBER AND HEAT-FUSIBLE BINDER FIBER Jan 31, 2021 Pending
Array ( [id] => 16782222 [patent_doc_number] => 20210119301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => BATTERY PACK [patent_app_type] => utility [patent_app_number] => 17/133370 [patent_app_country] => US [patent_app_date] => 2020-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17133370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/133370
Battery pack Dec 22, 2020 Issued
Array ( [id] => 18181513 [patent_doc_number] => 20230042242 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => LITHIUM SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/788428 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788428
LITHIUM SECONDARY BATTERY Nov 30, 2020 Pending
Array ( [id] => 16851070 [patent_doc_number] => 20210151815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => ELECTROCHEMICAL CELL STACKS, AND ASSOCIATED COMPONENTS [patent_app_type] => utility [patent_app_number] => 16/952182 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50112 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16952182 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/952182
ELECTROCHEMICAL CELL STACKS, AND ASSOCIATED COMPONENTS Nov 18, 2020 Abandoned
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