Search

James M. Erwin

Examiner (ID: 13699, Phone: (571)272-3101 , Office: P/1725 )

Most Active Art Unit
1725
Art Unit(s)
1725
Total Applications
856
Issued Applications
706
Pending Applications
64
Abandoned Applications
113

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16661060 [patent_doc_number] => 20210057697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => BATTERY SEPARATORS WITH CROSS RIBS AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/089428 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17089428 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/089428
Battery separators with cross ribs and related methods Nov 3, 2020 Issued
Array ( [id] => 17803610 [patent_doc_number] => 11417924 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-16 [patent_title] => Refuelable electrochemical battery [patent_app_type] => utility [patent_app_number] => 17/087497 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 16 [patent_no_of_words] => 10018 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087497
Refuelable electrochemical battery Nov 1, 2020 Issued
Array ( [id] => 20146931 [patent_doc_number] => 12381280 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Battery pack having improved coupling structure, and vehicle including same [patent_app_type] => utility [patent_app_number] => 17/768097 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17768097 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/768097
Battery pack having improved coupling structure, and vehicle including same Oct 21, 2020 Issued
Array ( [id] => 16617652 [patent_doc_number] => 20210036305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => LITHIUM SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/072402 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072402
Lithium secondary battery Oct 15, 2020 Issued
Array ( [id] => 16782153 [patent_doc_number] => 20210119232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => FUEL CELL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/068124 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17068124 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068124
Fuel cell system Oct 11, 2020 Issued
Array ( [id] => 18076751 [patent_doc_number] => 20220402363 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => CONTROL METHOD AND SYSTEM OF A FUEL CELL ELECTRIC VEHICLE STACK [patent_app_type] => utility [patent_app_number] => 17/638280 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17638280 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/638280
CONTROL METHOD AND SYSTEM OF A FUEL CELL ELECTRIC VEHICLE STACK Oct 8, 2020 Abandoned
Array ( [id] => 19935279 [patent_doc_number] => 12308489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Method for operating a fuel cell system and control device [patent_app_type] => utility [patent_app_number] => 17/772817 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772817 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772817
Method for operating a fuel cell system and control device Oct 8, 2020 Issued
Array ( [id] => 18366756 [patent_doc_number] => 20230148348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => NEGATIVE ELECTRODE MATERIAL, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF, AND LITHIUM-ION BATTERY [patent_app_type] => utility [patent_app_number] => 17/754742 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17754742 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754742
Negative electrode material, preparation method therefor and application thereof, and lithium-ion battery Sep 28, 2020 Issued
Array ( [id] => 17908890 [patent_doc_number] => 11462757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Fuel cell system [patent_app_type] => utility [patent_app_number] => 17/029259 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 26 [patent_no_of_words] => 19818 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17029259 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029259
Fuel cell system Sep 22, 2020 Issued
Array ( [id] => 17908896 [patent_doc_number] => 11462763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Aircraft fuel cells system [patent_app_type] => utility [patent_app_number] => 17/026679 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3736 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17026679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/026679
Aircraft fuel cells system Sep 20, 2020 Issued
Array ( [id] => 17878844 [patent_doc_number] => 11450872 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Fuel cell system for vehicle [patent_app_type] => utility [patent_app_number] => 17/027514 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7879 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17027514 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/027514
Fuel cell system for vehicle Sep 20, 2020 Issued
Array ( [id] => 18137529 [patent_doc_number] => 11563223 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-24 [patent_title] => Method of starting operation of fuel cell system at low temperature, and the fuel cell system [patent_app_type] => utility [patent_app_number] => 17/023984 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 8650 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17023984 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/023984
Method of starting operation of fuel cell system at low temperature, and the fuel cell system Sep 16, 2020 Issued
Array ( [id] => 16889328 [patent_doc_number] => 20210175525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => FUEL CELL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/022811 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022811 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022811
Fuel cell system Sep 15, 2020 Issued
Array ( [id] => 18874960 [patent_doc_number] => 11862785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Lithium ion conductive material, all-solid-state secondary battery, and method of manufacturing solid electrolyte [patent_app_type] => utility [patent_app_number] => 17/022532 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3647 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022532
Lithium ion conductive material, all-solid-state secondary battery, and method of manufacturing solid electrolyte Sep 15, 2020 Issued
Array ( [id] => 19487548 [patent_doc_number] => 12107276 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Positive electrode for lithium-sulfur secondary battery having pattern, manufacturing method therefor, and lithium-sulfur secondary battery including same [patent_app_type] => utility [patent_app_number] => 17/612026 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 9302 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17612026 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/612026
Positive electrode for lithium-sulfur secondary battery having pattern, manufacturing method therefor, and lithium-sulfur secondary battery including same Sep 15, 2020 Issued
Array ( [id] => 17599770 [patent_doc_number] => 20220149344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SECONDARY BATTERY FORMATION METHOD [patent_app_type] => utility [patent_app_number] => 17/417598 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417598 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417598
Secondary battery formation method Sep 8, 2020 Issued
Array ( [id] => 16692565 [patent_doc_number] => 20210075044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => FUEL CELL VEHICLE AND METHOD OF SETTING STOP TIME SCAVENGING PERIOD OF THE VEHICLE [patent_app_type] => utility [patent_app_number] => 17/014142 [patent_app_country] => US [patent_app_date] => 2020-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6183 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17014142 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/014142
Fuel cell vehicle and method of setting stop time scavenging period of the vehicle Sep 7, 2020 Issued
Array ( [id] => 16545487 [patent_doc_number] => 20200411902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => LITHIUM ION SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 17/013734 [patent_app_country] => US [patent_app_date] => 2020-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17013734 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/013734
Lithium ion secondary battery Sep 6, 2020 Issued
Array ( [id] => 17990031 [patent_doc_number] => 20220356068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => LITHIUM VANADIUM OXIDE CRYSTAL, ELECTRODE MATERIAL, AND POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING LITHIUM VANADIUM OXIDE CRYSTAL [patent_app_type] => utility [patent_app_number] => 17/765108 [patent_app_country] => US [patent_app_date] => 2020-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5460 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17765108 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/765108
LITHIUM VANADIUM OXIDE CRYSTAL, ELECTRODE MATERIAL, AND POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING LITHIUM VANADIUM OXIDE CRYSTAL Sep 3, 2020 Abandoned
Array ( [id] => 16724248 [patent_doc_number] => 20210091395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => METHOD OF RECOVERING PERFORMANCE OF FUEL CELL STACK [patent_app_type] => utility [patent_app_number] => 16/994876 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16994876 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/994876
Method of recovering performance of fuel cell stack Aug 16, 2020 Issued
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