Search

Stephan J. Essex

Examiner (ID: 13889, Phone: (571)270-7866 , Office: P/1727 )

Most Active Art Unit
1727
Art Unit(s)
4111, 1795, 1727
Total Applications
795
Issued Applications
494
Pending Applications
47
Abandoned Applications
269

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20168167 [patent_doc_number] => 20250260214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => WEARABLE AND REPLACEABLE POUCH OR SKIN FOR HOLDING A PORTABLE BATTERY PACK [patent_app_type] => utility [patent_app_number] => 19/196228 [patent_app_country] => US [patent_app_date] => 2025-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23917 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19196228 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/196228
Wearable and replaceable pouch or skin for holding a portable battery pack Apr 30, 2025 Issued
Array ( [id] => 20054147 [patent_doc_number] => 20250192369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRICAL DEVICE [patent_app_type] => utility [patent_app_number] => 19/057791 [patent_app_country] => US [patent_app_date] => 2025-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19057791 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/057791
ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRICAL DEVICE Feb 18, 2025 Pending
Array ( [id] => 20153517 [patent_doc_number] => 20250253355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => NEGATIVE CURRENT COLLECTOR, PREPARATION METHOD OF THE SAME, SODIUM SECONDARY BATTERY, AND ELECTRICAL DEVICE [patent_app_type] => utility [patent_app_number] => 19/034462 [patent_app_country] => US [patent_app_date] => 2025-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19034462 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/034462
Negative current collector, preparation method of the same, sodium secondary battery, and electrical device Jan 21, 2025 Issued
Array ( [id] => 20002821 [patent_doc_number] => 20250141043 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => COMPOSITE DIAPHRAGMS FOR ZINC SECONDARY BATTERIES AND ZINC SECONDARY BATTERIES [patent_app_type] => utility [patent_app_number] => 19/004350 [patent_app_country] => US [patent_app_date] => 2024-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3542 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 19004350 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/004350
COMPOSITE DIAPHRAGMS FOR ZINC SECONDARY BATTERIES AND ZINC SECONDARY BATTERIES Dec 28, 2024 Pending
Array ( [id] => 19835971 [patent_doc_number] => 20250087757 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => AUTOMATIC MULTI-SURFACE JET PRINTING METHOD FOR POWER LITHIUM BATTERY [patent_app_type] => utility [patent_app_number] => 18/955193 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 597 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18955193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/955193
Automatic multi-surface jet printing method for power lithium battery Nov 20, 2024 Issued
Array ( [id] => 19713192 [patent_doc_number] => 20250023334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => WEARABLE AND REPLACEABLE POUCH OR SKIN FOR HOLDING A PORTABLE BATTERY PACK [patent_app_type] => utility [patent_app_number] => 18/894895 [patent_app_country] => US [patent_app_date] => 2024-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29576 [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] => 18894895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/894895
Wearable and replaceable pouch or skin for holding a portable battery pack Sep 23, 2024 Issued
Array ( [id] => 19713192 [patent_doc_number] => 20250023334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => WEARABLE AND REPLACEABLE POUCH OR SKIN FOR HOLDING A PORTABLE BATTERY PACK [patent_app_type] => utility [patent_app_number] => 18/894895 [patent_app_country] => US [patent_app_date] => 2024-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29576 [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] => 18894895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/894895
Wearable and replaceable pouch or skin for holding a portable battery pack Sep 23, 2024 Issued
Array ( [id] => 20204277 [patent_doc_number] => 12407065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Electrochemical cells with multiple separators, and methods of producing the same [patent_app_type] => utility [patent_app_number] => 18/777397 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9660 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777397
Electrochemical cells with multiple separators, and methods of producing the same Jul 17, 2024 Issued
Array ( [id] => 20204277 [patent_doc_number] => 12407065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Electrochemical cells with multiple separators, and methods of producing the same [patent_app_type] => utility [patent_app_number] => 18/777397 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9660 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777397 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777397
Electrochemical cells with multiple separators, and methods of producing the same Jul 17, 2024 Issued
Array ( [id] => 20189961 [patent_doc_number] => 12401088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Electrochemical cells with multiple separators, and methods of producing the same [patent_app_type] => utility [patent_app_number] => 18/777389 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9659 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [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] => 18777389 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777389
Electrochemical cells with multiple separators, and methods of producing the same Jul 17, 2024 Issued
Array ( [id] => 20189962 [patent_doc_number] => 12401089 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Electrochemical cells with multiple separators, and methods of producing the same [patent_app_type] => utility [patent_app_number] => 18/777403 [patent_app_country] => US [patent_app_date] => 2024-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 9662 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18777403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/777403
Electrochemical cells with multiple separators, and methods of producing the same Jul 17, 2024 Issued
Array ( [id] => 19627387 [patent_doc_number] => 12166242 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Electrode plate, electrode assembly, battery cell, battery, and electric device [patent_app_type] => utility [patent_app_number] => 18/653972 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 14267 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18653972 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/653972
Electrode plate, electrode assembly, battery cell, battery, and electric device May 1, 2024 Issued
Array ( [id] => 19286211 [patent_doc_number] => 20240222689 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => BATTERY SYSTEMS BASED ON LITHIUM DIFLUOROPHOSPHATE [patent_app_type] => utility [patent_app_number] => 18/605202 [patent_app_country] => US [patent_app_date] => 2024-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20450 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18605202 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/605202
BATTERY SYSTEMS BASED ON LITHIUM DIFLUOROPHOSPHATE Mar 13, 2024 Pending
Array ( [id] => 19221802 [patent_doc_number] => 20240186506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => POSITIVE ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 18/440988 [patent_app_country] => US [patent_app_date] => 2024-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18440988 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440988
Positive electrode active material and lithium secondary battery comprising the same Feb 13, 2024 Issued
Array ( [id] => 19038585 [patent_doc_number] => 20240088400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => LITHIUM ELECTRODE [patent_app_type] => utility [patent_app_number] => 18/514381 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514381 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514381
LITHIUM ELECTRODE Nov 19, 2023 Pending
Array ( [id] => 19146828 [patent_doc_number] => 20240145870 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => PROTECTIVE INSERT FOR ELECTROCHEMICAL CELL [patent_app_type] => utility [patent_app_number] => 18/498707 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498707 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498707
Protective insert for electrochemical cell Oct 30, 2023 Issued
Array ( [id] => 18991431 [patent_doc_number] => 20240063400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => CELLULOSE-BASED SELF-STANDING FILMS FOR USE IN LI-ION BATTERIES [patent_app_type] => utility [patent_app_number] => 18/491279 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18491279 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/491279
CELLULOSE-BASED SELF-STANDING FILMS FOR USE IN LI-ION BATTERIES Oct 19, 2023 Pending
Array ( [id] => 19935260 [patent_doc_number] => 12308470 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Zinc secondary battery and separator for zinc secondary battery [patent_app_type] => utility [patent_app_number] => 18/377385 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1017 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377385 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377385
Zinc secondary battery and separator for zinc secondary battery Oct 5, 2023 Issued
Array ( [id] => 18898916 [patent_doc_number] => 20240014401 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND METHOD AND APPARATUS FOR MANUFACTURING ELECTRODE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/470231 [patent_app_country] => US [patent_app_date] => 2023-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18586 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18470231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/470231
ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND METHOD AND APPARATUS FOR MANUFACTURING ELECTRODE ASSEMBLY Sep 18, 2023 Pending
Array ( [id] => 18834165 [patent_doc_number] => 20230402692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 18/237635 [patent_app_country] => US [patent_app_date] => 2023-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18237635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/237635
Secondary battery Aug 23, 2023 Issued
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