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] => 20075882 [patent_doc_number] => 12349910 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Surgical staple cartridge for supporting surgical buttress material [patent_app_type] => utility [patent_app_number] => 18/589980 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 31 [patent_no_of_words] => 2154 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18589980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589980
Surgical staple cartridge for supporting surgical buttress material Feb 27, 2024 Issued
Array ( [id] => 19510075 [patent_doc_number] => 20240341761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => SURGICAL STAPLER ANVIL HAVING STAPLE FORMING POCKETS WITH LATERALLY VARYING ORIENTATIONS [patent_app_type] => utility [patent_app_number] => 18/588269 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17047 [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] => 18588269 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588269
Surgical stapler anvil having staple forming pockets with laterally varying orientations Feb 26, 2024 Issued
Array ( [id] => 19584640 [patent_doc_number] => 20240382197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => SURGICAL STAPLER CARTRIDGE HAVING INTERMEDIATE RAISED TISSUE ENGAGEMENT PROTRUSIONS [patent_app_type] => utility [patent_app_number] => 18/588147 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35685 [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] => 18588147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588147
Surgical stapler cartridge having intermediate raised tissue engagement protrusions Feb 26, 2024 Issued
Array ( [id] => 19584644 [patent_doc_number] => 20240382201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => INCOMPATIBLE STAPLE CARTRIDGE USE PREVENTION FEATURES FOR SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 18/588094 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15608 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18588094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588094
Incompatible staple cartridge use prevention features for surgical stapler Feb 26, 2024 Issued
Array ( [id] => 20355936 [patent_doc_number] => 12471913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Method of surgical stapling [patent_app_type] => utility [patent_app_number] => 18/588684 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 117 [patent_figures_cnt] => 155 [patent_no_of_words] => 84080 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588684 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588684
Method of surgical stapling Feb 26, 2024 Issued
Array ( [id] => 20171501 [patent_doc_number] => 12390220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Surgical stapler cartridge having raised surface to promote buttress adhesion [patent_app_type] => utility [patent_app_number] => 18/588206 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 48 [patent_no_of_words] => 30135 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18588206 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588206
Surgical stapler cartridge having raised surface to promote buttress adhesion Feb 26, 2024 Issued
Array ( [id] => 19378955 [patent_doc_number] => 20240268825 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => FORCE MODULATING DEEP SKIN STAPLES AND INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 18/583036 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28544 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18583036 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/583036
Force modulating deep skin staples and instruments Feb 20, 2024 Issued
Array ( [id] => 20128365 [patent_doc_number] => 12370665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Power tool motor control system and method [patent_app_type] => utility [patent_app_number] => 18/582370 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18582370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/582370
Power tool motor control system and method Feb 19, 2024 Issued
Array ( [id] => 19378949 [patent_doc_number] => 20240268819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => MEDICAL DEVICE BENDING DEVICES AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 18/581239 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581239 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581239
Medical device bending devices and methods of use Feb 18, 2024 Issued
Array ( [id] => 20142602 [patent_doc_number] => 12376917 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Method for producing a surgical instrument comprising a smart electrical system [patent_app_type] => utility [patent_app_number] => 18/581172 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 360 [patent_figures_cnt] => 433 [patent_no_of_words] => 278314 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581172
Method for producing a surgical instrument comprising a smart electrical system Feb 18, 2024 Issued
Array ( [id] => 19215846 [patent_doc_number] => 20240180550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => MEDICAL STAPLER FOR EFFICIENT SKIN AND TISSUE CLOSURE [patent_app_type] => utility [patent_app_number] => 18/438478 [patent_app_country] => US [patent_app_date] => 2024-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18438478 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/438478
Medical stapler for efficient skin and tissue closure Feb 10, 2024 Issued
Array ( [id] => 19358929 [patent_doc_number] => 20240260963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => FASTENER CARTRIDGE COMPRISING NON-UNIFORM FASTENERS [patent_app_type] => utility [patent_app_number] => 18/436831 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53775 [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] => 18436831 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436831
Fastener cartridge and fastener cartridge layer Feb 7, 2024 Issued
Array ( [id] => 19896555 [patent_doc_number] => 12274446 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Surgical stapler with apparatus for adjusting staple height [patent_app_type] => utility [patent_app_number] => 18/435337 [patent_app_country] => US [patent_app_date] => 2024-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 37 [patent_no_of_words] => 12635 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18435337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/435337
Surgical stapler with apparatus for adjusting staple height Feb 6, 2024 Issued
Array ( [id] => 19185863 [patent_doc_number] => 20240164776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => CONTROL SYSTEMS FOR SURGICAL INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 18/421044 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74872 [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] => 18421044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421044
Control systems for surgical instruments Jan 23, 2024 Issued
Array ( [id] => 19319205 [patent_doc_number] => 20240240748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => HANDHELD HANGER INSTALLATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/414344 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18414344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/414344
Handheld hanger installation device Jan 15, 2024 Issued
Array ( [id] => 19884475 [patent_doc_number] => 12270171 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Drill attachment for driving ground anchors [patent_app_type] => utility [patent_app_number] => 18/410436 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1777 [patent_no_of_claims] => 20 [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] => 18410436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410436
Drill attachment for driving ground anchors Jan 10, 2024 Issued
Array ( [id] => 19896556 [patent_doc_number] => 12274447 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Illumination systems for surgical staplers [patent_app_type] => utility [patent_app_number] => 18/394931 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4354 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18394931 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394931
Illumination systems for surgical staplers Dec 21, 2023 Issued
Array ( [id] => 20066688 [patent_doc_number] => 20250204910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => SURGICAL STAPLERS WITH REMOVABLE AND REUSABLE CONTROL ATTACHMENTS [patent_app_type] => utility [patent_app_number] => 18/395200 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4283 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18395200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/395200
SURGICAL STAPLERS WITH REMOVABLE AND REUSABLE CONTROL ATTACHMENTS Dec 21, 2023 Pending
Array ( [id] => 20075878 [patent_doc_number] => 12349906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Multidirectional apparatus [patent_app_type] => utility [patent_app_number] => 18/543682 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 19 [patent_no_of_words] => 2199 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543682
Multidirectional apparatus Dec 17, 2023 Issued
Array ( [id] => 20048937 [patent_doc_number] => 20250187159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => Jam Shock Relief Mechanism for Gas Spring Fastening Tool [patent_app_type] => utility [patent_app_number] => 18/536723 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2269 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18536723 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536723
Jam shock relief mechanism for gas spring fastening tool Dec 11, 2023 Issued
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