Search

Stephan J. Essex

Examiner (ID: 7133, Phone: (571)270-7866 , Office: P/1727 )

Most Active Art Unit
1727
Art Unit(s)
1795, 1727, 4111
Total Applications
840
Issued Applications
508
Pending Applications
72
Abandoned Applications
270

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20397339 [patent_doc_number] => 20250372814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-04 [patent_title] => ELECTROCHEMICAL CELLS WITH MULTIPLE SEPARATORS, AND METHODS OF PRODUCING THE SAME [patent_app_type] => utility [patent_app_number] => 19/298872 [patent_app_country] => US [patent_app_date] => 2025-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9661 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [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] => 19298872 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/298872
ELECTROCHEMICAL CELLS WITH MULTIPLE SEPARATORS, AND METHODS OF PRODUCING THE SAME Aug 12, 2025 Abandoned
Array ( [id] => 20382215 [patent_doc_number] => 20250364708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE [patent_app_type] => utility [patent_app_number] => 19/294292 [patent_app_country] => US [patent_app_date] => 2025-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19294292 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/294292
BATTERY CELL, BATTERY, AND POWER CONSUMING DEVICE Aug 7, 2025 Pending
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 Issued
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] => 19646782 [patent_doc_number] => 20240421302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => OLIVINE COMPOSITE CATHODE MATERIAL, PREPARATION METHOD AND APPLICATION THEREOF, AND LITHIUM-ION BATTERY [patent_app_type] => utility [patent_app_number] => 18/815861 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815861 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815861
Olivine composite cathode material, preparation method and application thereof, and lithium-ion battery Aug 26, 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] => 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] => 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] => 20551582 [patent_doc_number] => 12562380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Layered oxide cathode material and a preparation method thereof, a cathode sheet, and a sodium ion battery [patent_app_type] => utility [patent_app_number] => 18/729864 [patent_app_country] => US [patent_app_date] => 2024-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 7060 [patent_no_of_claims] => 12 [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] => 18729864 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/729864
Layered oxide cathode material and a preparation method thereof, a cathode sheet, and a sodium ion battery May 28, 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] => 19269863 [patent_doc_number] => 20240213568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => BATTERY PACK, ELECTRIC TOOL, AND ELECTRIC VEHICLE [patent_app_type] => utility [patent_app_number] => 18/442881 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9904 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18442881 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442881
BATTERY PACK, ELECTRIC TOOL, AND ELECTRIC VEHICLE Feb 14, 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] => 19851006 [patent_doc_number] => 20250096357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSVERSE ELASTIC COMPLIANCE FUNCTIONS FOR USE WITH ELECTRIC VEHICLE BATTERY PACKS [patent_app_type] => utility [patent_app_number] => 18/499726 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8895 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499726 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499726
MULTI-FUNCTION BEAM WITH INTEGRATED STRUCTURAL, COOLING, AND TRANSVERSE ELASTIC COMPLIANCE FUNCTIONS FOR USE WITH ELECTRIC VEHICLE BATTERY PACKS Oct 31, 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
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