Search

Christopher M. Koehler

Examiner (ID: 3712, Phone: (571)272-3560 , Office: P/3726 )

Most Active Art Unit
3726
Art Unit(s)
2834, 3726
Total Applications
946
Issued Applications
549
Pending Applications
34
Abandoned Applications
362

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20696865 [patent_doc_number] => 20260128278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => Electrode for Lithium Secondary Battery, Method of Preparing the Same and Lithium Secondary Battery Including the Same [patent_app_type] => utility [patent_app_number] => 19/436755 [patent_app_country] => US [patent_app_date] => 2025-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19436755 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/436755
Electrode for Lithium Secondary Battery, Method of Preparing the Same and Lithium Secondary Battery Including the Same Dec 29, 2025 Pending
Array ( [id] => 20298083 [patent_doc_number] => 20250323326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND ELECTRICAL APPARATUS [patent_app_type] => utility [patent_app_number] => 19/251731 [patent_app_country] => US [patent_app_date] => 2025-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19251731 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251731
ELECTRODE ASSEMBLY, SECONDARY BATTERY, AND ELECTRICAL APPARATUS Jun 25, 2025 Pending
Array ( [id] => 20251315 [patent_doc_number] => 20250300184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-25 [patent_title] => BATTERY ACTIVE MATERIAL LAYER WITH CONDUCTIVE ACTIVE MATERIAL PARTICLES [patent_app_type] => utility [patent_app_number] => 19/228398 [patent_app_country] => US [patent_app_date] => 2025-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19228398 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/228398
Battery active material layer with conductive active material particles Jun 3, 2025 Issued
Array ( [id] => 20353049 [patent_doc_number] => 20250349901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 19/200575 [patent_app_country] => US [patent_app_date] => 2025-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12553 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19200575 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/200575
NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY May 5, 2025 Pending
Array ( [id] => 20053948 [patent_doc_number] => 20250192170 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => Positive Electrode Material, Producing Method Thereof, Positive Electrode and Lithium Secondary Battery Comprising the Same [patent_app_type] => utility [patent_app_number] => 19/062527 [patent_app_country] => US [patent_app_date] => 2025-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4478 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19062527 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/062527
Positive Electrode Material, Producing Method Thereof, Positive Electrode and Lithium Secondary Battery Comprising the Same Feb 24, 2025 Pending
Array ( [id] => 20053961 [patent_doc_number] => 20250192183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => Electrode for Electrochemical Device Comprising Dry Electrode Film and Method for Manufacturing the Same [patent_app_type] => utility [patent_app_number] => 19/041040 [patent_app_country] => US [patent_app_date] => 2025-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7034 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19041040 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/041040
Electrode for Electrochemical Device Comprising Dry Electrode Film and Method for Manufacturing the Same Jan 29, 2025 Pending
Array ( [id] => 20153489 [patent_doc_number] => 20250253327 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => LITHIUM ION BATTERY AND ELECTRICITY-CONSUMPTION DEVICE [patent_app_type] => utility [patent_app_number] => 19/039586 [patent_app_country] => US [patent_app_date] => 2025-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11496 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19039586 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/039586
LITHIUM ION BATTERY AND ELECTRICITY-CONSUMPTION DEVICE Jan 27, 2025 Pending
Array ( [id] => 20045204 [patent_doc_number] => 20250183426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => MULTILAYER COMPOSITE STRUCTURE FOR PACKAGING LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF AND LITHIUM ION BATTERY [patent_app_type] => utility [patent_app_number] => 19/037304 [patent_app_country] => US [patent_app_date] => 2025-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19037304 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/037304
MULTILAYER COMPOSITE STRUCTURE FOR PACKAGING LITHIUM ION BATTERY AND PREPARATION METHOD THEREOF AND LITHIUM ION BATTERY Jan 26, 2025 Pending
Array ( [id] => 20353113 [patent_doc_number] => 20250349965 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-13 [patent_title] => TERMINAL COVERING FILM AND SECONDARY BATTERY COMPRISING THE TERMINAL COVERING FILM [patent_app_type] => utility [patent_app_number] => 19/008730 [patent_app_country] => US [patent_app_date] => 2025-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5647 [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] => 19008730 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/008730
TERMINAL COVERING FILM AND SECONDARY BATTERY COMPRISING THE TERMINAL COVERING FILM Jan 2, 2025 Pending
Array ( [id] => 20072592 [patent_doc_number] => 20250210814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => SEPARATOR AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/991739 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8167 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991739 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991739
SEPARATOR AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME Dec 22, 2024 Pending
Array ( [id] => 19821325 [patent_doc_number] => 20250079532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS [patent_app_type] => utility [patent_app_number] => 18/949912 [patent_app_country] => US [patent_app_date] => 2024-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18949912 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/949912
BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Nov 14, 2024 Pending
Array ( [id] => 19987200 [patent_doc_number] => 20250125422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => HYBRID ELECTROLYTE [patent_app_type] => utility [patent_app_number] => 18/896741 [patent_app_country] => US [patent_app_date] => 2024-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18896741 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/896741
HYBRID ELECTROLYTE Sep 24, 2024 Pending
Array ( [id] => 19516009 [patent_doc_number] => 20240347695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => Electrode for Lithium Secondary Battery, Method of Preparing the Same and Lithium Secondary Battery Including the Same [patent_app_type] => utility [patent_app_number] => 18/756686 [patent_app_country] => US [patent_app_date] => 2024-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9217 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18756686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/756686
Electrode for lithium secondary battery, method of preparing the same and lithium secondary battery including the same Jun 26, 2024 Issued
Array ( [id] => 19407457 [patent_doc_number] => 20240290968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => METHOD OF PRODUCING CATHODE ACTIVE MATERIAL, AND METHOD OF PRODUCING LITHIUM ION BATTERY [patent_app_type] => utility [patent_app_number] => 18/659278 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659278 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659278
Method of producing cathode active material, and method of producing lithium ion battery May 8, 2024 Issued
Array ( [id] => 19421212 [patent_doc_number] => 20240297336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ELECTROCHEMICAL DEVICE COMPRISING SEPARATOR WITH LAMINATED POROUS LAYERS [patent_app_type] => utility [patent_app_number] => 18/647365 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18647365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647365
ELECTROCHEMICAL DEVICE COMPRISING SEPARATOR WITH LAMINATED POROUS LAYERS Apr 25, 2024 Pending
Array ( [id] => 19384953 [patent_doc_number] => 20240274823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Electrode for Electrochemical Device Comprising Dry Electrode Film and Method for Manufacturing the Same [patent_app_type] => utility [patent_app_number] => 18/646276 [patent_app_country] => US [patent_app_date] => 2024-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18646276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/646276
Electrode for Electrochemical Device Comprising Dry Electrode Film and Method for Manufacturing the Same Apr 24, 2024 Pending
Array ( [id] => 19773585 [patent_doc_number] => 20250055011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => AQUEOUS POLYSULFIDE-BASED ELECTROCHEMICAL CELL [patent_app_type] => utility [patent_app_number] => 18/621659 [patent_app_country] => US [patent_app_date] => 2024-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20031 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18621659 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/621659
AQUEOUS POLYSULFIDE-BASED ELECTROCHEMICAL CELL Mar 28, 2024 Pending
Array ( [id] => 20441631 [patent_doc_number] => 12512473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Method of manufacturing positive electrode material [patent_app_type] => utility [patent_app_number] => 18/594076 [patent_app_country] => US [patent_app_date] => 2024-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4679 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18594076 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/594076
Method of manufacturing positive electrode material Mar 3, 2024 Issued
Array ( [id] => 19146752 [patent_doc_number] => 20240145793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Secondary Battery, Battery Module, Battery Pack and Power Consuming Device [patent_app_type] => utility [patent_app_number] => 18/525335 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18525335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/525335
Secondary battery, battery module, battery pack and power consuming device Nov 29, 2023 Issued
Array ( [id] => 19286327 [patent_doc_number] => 20240222806 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => PIN STRUCTURE AND BATTERY CELL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/523815 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6325 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18523815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/523815
PIN STRUCTURE AND BATTERY CELL ASSEMBLY Nov 28, 2023 Pending
Menu