Search

Nathaniel C. Chukwurah

Examiner (ID: 11963, Phone: (571)272-4457 , Office: P/3721 )

Most Active Art Unit
3731
Art Unit(s)
3721, 3731
Total Applications
2396
Issued Applications
1945
Pending Applications
142
Abandoned Applications
341

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17654913 [patent_doc_number] => 20220175378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => CONTROL SYSTEMS FOR SURGICAL INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 17/550310 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17550310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/550310
Control systems for surgical instruments Dec 13, 2021 Issued
Array ( [id] => 18971015 [patent_doc_number] => 20240051107 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => IMPROVED FAULT DETECTION METHODS FOR POWER TOOLS [patent_app_type] => utility [patent_app_number] => 18/267488 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18267488 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/267488
Fault detection methods for power tools Dec 12, 2021 Issued
Array ( [id] => 17503092 [patent_doc_number] => 20220096194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => LOAD SENSING DEVICES FOR USE IN SURGICAL INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 17/549079 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17549079 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549079
Load sensing devices for use in surgical instruments Dec 12, 2021 Issued
Array ( [id] => 19104722 [patent_doc_number] => 11957795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Tissue thickness compensator configured to redistribute compressive forces [patent_app_type] => utility [patent_app_number] => 17/549084 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 239 [patent_figures_cnt] => 444 [patent_no_of_words] => 122149 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549084
Tissue thickness compensator configured to redistribute compressive forces Dec 12, 2021 Issued
Array ( [id] => 20432370 [patent_doc_number] => 12502175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Surgical stapling device with anvil tilt indicator [patent_app_type] => utility [patent_app_number] => 18/714435 [patent_app_country] => US [patent_app_date] => 2021-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18714435 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/714435
Surgical stapling device with anvil tilt indicator Dec 1, 2021 Issued
Array ( [id] => 18843381 [patent_doc_number] => 20230405785 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => MOBILE POWER TOOL AND METHOD [patent_app_type] => utility [patent_app_number] => 18/038790 [patent_app_country] => US [patent_app_date] => 2021-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18038790 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038790
Mobile power tool and method Nov 25, 2021 Issued
Array ( [id] => 18389475 [patent_doc_number] => 20230157693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => TISSUE STABILIZING FEATURES FOR CIRCULAR SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 17/534653 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17534653 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/534653
Tissue stabilizing features for circular surgical stapler Nov 23, 2021 Issued
Array ( [id] => 19947564 [patent_doc_number] => 12318905 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Apparatus and system for supplying a power tool with electrical energy, and use of the apparatus for this purpose [patent_app_type] => utility [patent_app_number] => 18/273792 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 24 [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] => 18273792 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273792
Apparatus and system for supplying a power tool with electrical energy, and use of the apparatus for this purpose Nov 22, 2021 Issued
Array ( [id] => 18746732 [patent_doc_number] => 11806017 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Anvil buttress loading system for surgical stapling apparatus [patent_app_type] => utility [patent_app_number] => 17/533745 [patent_app_country] => US [patent_app_date] => 2021-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 32 [patent_no_of_words] => 7165 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17533745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/533745
Anvil buttress loading system for surgical stapling apparatus Nov 22, 2021 Issued
Array ( [id] => 18852405 [patent_doc_number] => 11849952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Staple cartridge comprising staples positioned within a compressible portion thereof [patent_app_type] => utility [patent_app_number] => 17/532014 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 222 [patent_figures_cnt] => 414 [patent_no_of_words] => 108771 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532014 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532014
Staple cartridge comprising staples positioned within a compressible portion thereof Nov 21, 2021 Issued
Array ( [id] => 19026017 [patent_doc_number] => 11925354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Staple cartridge comprising staples positioned within a compressible portion thereof [patent_app_type] => utility [patent_app_number] => 17/532018 [patent_app_country] => US [patent_app_date] => 2021-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 222 [patent_figures_cnt] => 414 [patent_no_of_words] => 108769 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17532018 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/532018
Staple cartridge comprising staples positioned within a compressible portion thereof Nov 21, 2021 Issued
Array ( [id] => 18777591 [patent_doc_number] => 11819261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-21 [patent_title] => Insulating grips for minimally invasive surgical instruments [patent_app_type] => utility [patent_app_number] => 17/455741 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7626 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17455741 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/455741
Insulating grips for minimally invasive surgical instruments Nov 18, 2021 Issued
Array ( [id] => 18716202 [patent_doc_number] => 11793522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Staple cartridge assembly including a compressible adjunct [patent_app_type] => utility [patent_app_number] => 17/531186 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 47 [patent_no_of_words] => 33234 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17531186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531186
Staple cartridge assembly including a compressible adjunct Nov 18, 2021 Issued
Array ( [id] => 18978432 [patent_doc_number] => 11903586 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Compressible adjunct with crossing spacer fibers [patent_app_type] => utility [patent_app_number] => 17/531197 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 48 [patent_no_of_words] => 33231 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17531197 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/531197
Compressible adjunct with crossing spacer fibers Nov 18, 2021 Issued
Array ( [id] => 18971017 [patent_doc_number] => 20240051109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => POWER TOOL HAVING A FIRST AND A SECOND RECHARGEABLE BATTERY [patent_app_type] => utility [patent_app_number] => 18/039457 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18039457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/039457
Power tool having a first and a second rechargeable battery Nov 16, 2021 Issued
Array ( [id] => 19066216 [patent_doc_number] => 20240100642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => METHOD FOR PROTECTING A USER DURING OPERATION OF A POWER TOOL, AND POWER TOOL [patent_app_type] => utility [patent_app_number] => 18/038481 [patent_app_country] => US [patent_app_date] => 2021-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18038481 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/038481
METHOD FOR PROTECTING A USER DURING OPERATION OF A POWER TOOL, AND POWER TOOL Nov 10, 2021 Abandoned
Array ( [id] => 18878156 [patent_doc_number] => 20240001525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => Hand-held power tool and production method for a hand-held power tool [patent_app_type] => utility [patent_app_number] => 18/035310 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18035310 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/035310
Hand-held power tool and production method for a hand-held power tool Nov 8, 2021 Issued
Array ( [id] => 19496179 [patent_doc_number] => 20240335197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => ACTIVE BENDING SYSTEM OF STAPLER [patent_app_type] => utility [patent_app_number] => 17/797298 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17797298 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/797298
ACTIVE BENDING SYSTEM OF STAPLER Nov 8, 2021 Pending
Array ( [id] => 17593070 [patent_doc_number] => 20220142643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => SURGICAL INSTRUMENT WITH FIRING LOCKOUT [patent_app_type] => utility [patent_app_number] => 17/521390 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17521390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521390
Surgical instrument with firing lockout Nov 7, 2021 Issued
Array ( [id] => 17577679 [patent_doc_number] => 20220134534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => MODULAR WORK STATION [patent_app_type] => utility [patent_app_number] => 17/514739 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17514739 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/514739
Modular work station Oct 28, 2021 Issued
Menu