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] => 20676060 [patent_doc_number] => 20260114869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 19/404074 [patent_app_country] => US [patent_app_date] => 2025-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4498 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19404074 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/404074
SURGICAL INSTRUMENT Nov 30, 2025 Pending
Array ( [id] => 20583679 [patent_doc_number] => 20260069269 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => BONE ANCHOR DELIVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 19/392732 [patent_app_country] => US [patent_app_date] => 2025-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19392732 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/392732
BONE ANCHOR DELIVERY SYSTEM Nov 17, 2025 Pending
Array ( [id] => 20567661 [patent_doc_number] => 20260061581 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => NAIL GUN AND METHODS FOR SEQUENTIALLY DRIVING NAILS INTO A SUBSTRATE OR A STRUCTURE [patent_app_type] => utility [patent_app_number] => 19/384532 [patent_app_country] => US [patent_app_date] => 2025-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19652 [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] => 19384532 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/384532
NAIL GUN AND METHODS FOR SEQUENTIALLY DRIVING NAILS INTO A SUBSTRATE OR A STRUCTURE Nov 9, 2025 Pending
Array ( [id] => 20599464 [patent_doc_number] => 20260077469 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => POWER TOOLS INCLUDING A PLURALITY OF TEMPERATURE SENSORS [patent_app_type] => utility [patent_app_number] => 19/384149 [patent_app_country] => US [patent_app_date] => 2025-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4626 [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] => 19384149 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/384149
POWER TOOLS INCLUDING A PLURALITY OF TEMPERATURE SENSORS Nov 9, 2025 Pending
Array ( [id] => 20721542 [patent_doc_number] => 20260138243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-21 [patent_title] => IMPACT ROTARY TOOL [patent_app_type] => utility [patent_app_number] => 19/379825 [patent_app_country] => US [patent_app_date] => 2025-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10871 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 19379825 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/379825
IMPACT ROTARY TOOL Nov 4, 2025 Pending
Array ( [id] => 20693325 [patent_doc_number] => 20260124729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => Tool Clamping Device and Oscillating Multifunction Tool [patent_app_type] => utility [patent_app_number] => 19/380582 [patent_app_country] => US [patent_app_date] => 2025-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19380582 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/380582
Tool Clamping Device and Oscillating Multifunction Tool Nov 4, 2025 Pending
Array ( [id] => 20707114 [patent_doc_number] => 20260131442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => POWER TOOL HAVING A HAMMER MECHANISM [patent_app_type] => utility [patent_app_number] => 19/379213 [patent_app_country] => US [patent_app_date] => 2025-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 19379213 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/379213
POWER TOOL HAVING A HAMMER MECHANISM Nov 3, 2025 Pending
Array ( [id] => 20517326 [patent_doc_number] => 20260041429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => METHOD FOR OPERATING TIERED OPERATION MODES IN A SURGICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 19/364453 [patent_app_country] => US [patent_app_date] => 2025-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 189307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19364453 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/364453
METHOD FOR OPERATING TIERED OPERATION MODES IN A SURGICAL SYSTEM Oct 20, 2025 Pending
Array ( [id] => 20509733 [patent_doc_number] => 20260033831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => STAPLE INSTRUMENT [patent_app_type] => utility [patent_app_number] => 19/356685 [patent_app_country] => US [patent_app_date] => 2025-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [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] => 19356685 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/356685
STAPLE INSTRUMENT Oct 12, 2025 Pending
Array ( [id] => 20650878 [patent_doc_number] => 20260102889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-16 [patent_title] => NAILING MACHINE [patent_app_type] => utility [patent_app_number] => 19/356719 [patent_app_country] => US [patent_app_date] => 2025-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19356719 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/356719
NAILING MACHINE Oct 12, 2025 Pending
Array ( [id] => 20510553 [patent_doc_number] => 20260034654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-05 [patent_title] => ELECTRIC POWER TOOL [patent_app_type] => utility [patent_app_number] => 19/352084 [patent_app_country] => US [patent_app_date] => 2025-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 448 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19352084 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/352084
ELECTRIC POWER TOOL Oct 6, 2025 Pending
Array ( [id] => 20639123 [patent_doc_number] => 20260097473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-09 [patent_title] => OPERATING PARAMETER DISPLAY FOR POWER TOOL [patent_app_type] => utility [patent_app_number] => 19/352154 [patent_app_country] => US [patent_app_date] => 2025-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19352154 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/352154
OPERATING PARAMETER DISPLAY FOR POWER TOOL Oct 6, 2025 Pending
19/168380 SURGICAL STAPLING APPARATUS WITH LOCKOUT ASSEMBLIES Sep 23, 2025 Pending
Array ( [id] => 20471638 [patent_doc_number] => 20260013856 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => DEVICES, SYSTEMS, AND METHODS FOR TORQUE AMPLIFICATION IN MEDICAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 19/335050 [patent_app_country] => US [patent_app_date] => 2025-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19335050 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/335050
DEVICES, SYSTEMS, AND METHODS FOR TORQUE AMPLIFICATION IN MEDICAL SYSTEMS Sep 21, 2025 Pending
19/167776 STAPLE CARTRIDGE WITH A KNIFE Sep 21, 2025 Pending
Array ( [id] => 20471635 [patent_doc_number] => 20260013853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => MEDICAL DEVICE BENDING DEVICES AND METHODS OF USE [patent_app_type] => utility [patent_app_number] => 19/330680 [patent_app_country] => US [patent_app_date] => 2025-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19330680 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/330680
MEDICAL DEVICE BENDING DEVICES AND METHODS OF USE Sep 15, 2025 Pending
Array ( [id] => 20802992 [patent_doc_number] => 12667883 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Piston-type oil tank with safety valve and a riveting tool [patent_app_type] => utility [patent_app_number] => 19/325635 [patent_app_country] => US [patent_app_date] => 2025-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19325635 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/325635
Piston-type oil tank with safety valve and a riveting tool Sep 10, 2025 Issued
19/162434 STAPLE CARTRIDGE WITH MOVABLE KNIFE Sep 4, 2025 Pending
19/160514 USAGE STATUS MANAGEMENT APPARATUS FOR ELECTRIC GRIPPING TOOL AND USAGE STATUS MANAGEMENT SYSTEM PROVIDED WITH SAME Aug 27, 2025 Pending
Array ( [id] => 20406091 [patent_doc_number] => 20250375200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => SYSTEMS AND SUBSYSTEMS FOR CLOSING A SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 19/311261 [patent_app_country] => US [patent_app_date] => 2025-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11166 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19311261 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/311261
SYSTEMS AND SUBSYSTEMS FOR CLOSING A SURGICAL INSTRUMENT Aug 26, 2025 Pending
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