Search

Stephen J. Yanchuk

Examiner (ID: 17192, Phone: (571)270-7343 , Office: P/1723 )

Most Active Art Unit
1723
Art Unit(s)
1723, 1752, 1795, 1729
Total Applications
595
Issued Applications
283
Pending Applications
46
Abandoned Applications
263

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16466888 [patent_doc_number] => 20200368425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => DRUG DELIVERY DEVICE [patent_app_type] => utility [patent_app_number] => 16/986544 [patent_app_country] => US [patent_app_date] => 2020-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 16986544 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/986544
Drug delivery device Aug 5, 2020 Issued
Array ( [id] => 16467640 [patent_doc_number] => 20200369177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => BATTERY PACK [patent_app_type] => utility [patent_app_number] => 16/944010 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16944010 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/944010
Battery pack Jul 29, 2020 Issued
Array ( [id] => 16301469 [patent_doc_number] => 20200287192 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => SEPARATOR COMPRISING AN ADHESION LAYER FOR AN ELECTROCHEMICAL DEVICE AND AN ELECTRODE ASSEMBLY COMPRISING THE SAME [patent_app_type] => utility [patent_app_number] => 16/881692 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16881692 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881692
Separator comprising an adhesion layer for an electrochemical device and an electrode assembly comprising the same May 21, 2020 Issued
Array ( [id] => 16364895 [patent_doc_number] => 20200321646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => FUEL CELL SYSTEM [patent_app_type] => utility [patent_app_number] => 16/836972 [patent_app_country] => US [patent_app_date] => 2020-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16836972 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/836972
FUEL CELL SYSTEM Mar 31, 2020 Abandoned
Array ( [id] => 16645847 [patent_doc_number] => 10923716 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-16 [patent_title] => Graphene-carbon nanotube hybrid electrode material [patent_app_type] => utility [patent_app_number] => 16/811248 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3189 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16811248 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/811248
Graphene-carbon nanotube hybrid electrode material Mar 5, 2020 Issued
Array ( [id] => 15970273 [patent_doc_number] => 20200168888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => THREE-DIMENSIONAL BATTERY HAVING CURRENT-REDUCING DEVICES CORRESPONDING TO ELECTRODES [patent_app_type] => utility [patent_app_number] => 16/777142 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777142 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777142
THREE-DIMENSIONAL BATTERY HAVING CURRENT-REDUCING DEVICES CORRESPONDING TO ELECTRODES Jan 29, 2020 Abandoned
Array ( [id] => 16226631 [patent_doc_number] => 20200251748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => FUEL CELL CATALYST [patent_app_type] => utility [patent_app_number] => 16/749842 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5371 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16749842 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/749842
FUEL CELL CATALYST Jan 21, 2020 Abandoned
Array ( [id] => 16828136 [patent_doc_number] => 20210143429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => METHOD AND SYSTEM FOR TAPE CASTING ELECTRODE ACTIVE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/677118 [patent_app_country] => US [patent_app_date] => 2019-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 16677118 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/677118
METHOD AND SYSTEM FOR TAPE CASTING ELECTRODE ACTIVE MATERIAL Nov 6, 2019 Abandoned
Array ( [id] => 18782420 [patent_doc_number] => 11824189 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Layered high capacity electrodes [patent_app_type] => utility [patent_app_number] => 16/660323 [patent_app_country] => US [patent_app_date] => 2019-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 46 [patent_no_of_words] => 24722 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16660323 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/660323
Layered high capacity electrodes Oct 21, 2019 Issued
Array ( [id] => 16700257 [patent_doc_number] => 10950870 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-16 [patent_title] => Method for producing alloy catalyst for fuel cells using silica coating [patent_app_type] => utility [patent_app_number] => 16/585941 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5500 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16585941 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585941
Method for producing alloy catalyst for fuel cells using silica coating Sep 26, 2019 Issued
Array ( [id] => 15352205 [patent_doc_number] => 20200013994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => BATTERY CAN AND CYLINDRICAL BATTERY [patent_app_type] => utility [patent_app_number] => 16/577219 [patent_app_country] => US [patent_app_date] => 2019-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4670 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 16577219 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/577219
Battery can and cylindrical battery Sep 19, 2019 Issued
Array ( [id] => 17278312 [patent_doc_number] => 20210384510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => Negative Electrode Material, and Preparation Method Therefor and Use Thereof [patent_app_type] => utility [patent_app_number] => 17/286016 [patent_app_country] => US [patent_app_date] => 2019-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3432 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17286016 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/286016
Negative electrode material, and preparation method therefor and use thereof Jul 31, 2019 Issued
Array ( [id] => 17456333 [patent_doc_number] => 11271201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Energy device with lithium [patent_app_type] => utility [patent_app_number] => 16/521020 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 10522 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521020 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521020
Energy device with lithium Jul 23, 2019 Issued
Array ( [id] => 16488132 [patent_doc_number] => 20200381741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => ELECTRICAL ENERGY GENERATING DEVICE [patent_app_type] => utility [patent_app_number] => 16/455927 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16455927 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/455927
Electrical energy generating device Jun 27, 2019 Issued
Array ( [id] => 18913270 [patent_doc_number] => 11876261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-16 [patent_title] => Fuel cell system [patent_app_type] => utility [patent_app_number] => 16/386822 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 22 [patent_no_of_words] => 21047 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16386822 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/386822
Fuel cell system Apr 16, 2019 Issued
Array ( [id] => 16372745 [patent_doc_number] => 10804511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-10-13 [patent_title] => Battery array frame including frame rail insert [patent_app_type] => utility [patent_app_number] => 16/366055 [patent_app_country] => US [patent_app_date] => 2019-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4456 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16366055 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/366055
Battery array frame including frame rail insert Mar 26, 2019 Issued
Array ( [id] => 16257043 [patent_doc_number] => 20200266418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-20 [patent_title] => GAP SECTION MULTILAYER ELECTRODE PROFILE [patent_app_type] => utility [patent_app_number] => 16/488320 [patent_app_country] => US [patent_app_date] => 2019-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16488320 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/488320
GAP SECTION MULTILAYER ELECTRODE PROFILE Mar 22, 2019 Abandoned
Array ( [id] => 14588431 [patent_doc_number] => 20190221824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY [patent_app_type] => utility [patent_app_number] => 16/358920 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16358920 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/358920
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY Mar 19, 2019 Abandoned
Array ( [id] => 20648323 [patent_doc_number] => 12603273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-14 [patent_title] => Method of preparing positive electrode active material [patent_app_type] => utility [patent_app_number] => 16/982812 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1151 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16982812 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/982812
Method of preparing positive electrode active material Mar 19, 2019 Issued
Array ( [id] => 16625287 [patent_doc_number] => 20210043940 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF PRODUCING THE SAME AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/981830 [patent_app_country] => US [patent_app_date] => 2019-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981830 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981830
Negative electrode for lithium secondary battery, method of producing the same and lithium secondary battery including the same Mar 17, 2019 Issued
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