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] => 19431584 [patent_doc_number] => 20240300082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => MULTISPEED POWER TOOL [patent_app_type] => utility [patent_app_number] => 18/663668 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8076 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663668
MULTISPEED POWER TOOL May 13, 2024 Pending
Array ( [id] => 20356631 [patent_doc_number] => 12472612 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Electric power tool [patent_app_type] => utility [patent_app_number] => 18/662391 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 7164 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18662391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662391
Electric power tool May 12, 2024 Issued
Array ( [id] => 20850048 [patent_doc_number] => 12687074 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-21 [patent_title] => System for moving mast of drilling machine [patent_app_type] => utility [patent_app_number] => 18/661766 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18661766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/661766
SYSTEM FOR MOVING MAST OF DRILLING MACHINE May 12, 2024 Issued
Array ( [id] => 20479696 [patent_doc_number] => 12528163 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Systems and methods for customizing fastener tightness [patent_app_type] => utility [patent_app_number] => 18/656737 [patent_app_country] => US [patent_app_date] => 2024-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 19 [patent_no_of_words] => 9732 [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] => 18656737 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/656737
Systems and methods for customizing fastener tightness May 6, 2024 Issued
Array ( [id] => 20315018 [patent_doc_number] => 12453556 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Motor adjustments in absence of motor drive signal [patent_app_type] => utility [patent_app_number] => 18/652940 [patent_app_country] => US [patent_app_date] => 2024-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 16435 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18652940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652940
Motor adjustments in absence of motor drive signal May 1, 2024 Issued
Array ( [id] => 20319766 [patent_doc_number] => 20250331854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => SURGICAL STAPLER WITH FIRING LOCKOUT FEATURE COUPLED TO END EFFECTOR JAW [patent_app_type] => utility [patent_app_number] => 18/650653 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9747 [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] => 18650653 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650653
SURGICAL STAPLER WITH FIRING LOCKOUT FEATURE COUPLED TO END EFFECTOR JAW Apr 29, 2024 Pending
Array ( [id] => 20185625 [patent_doc_number] => 12396724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-26 [patent_title] => Surgical instrument with multiple interface configurations [patent_app_type] => utility [patent_app_number] => 18/644295 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 47 [patent_no_of_words] => 27716 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644295
Surgical instrument with multiple interface configurations Apr 23, 2024 Issued
Array ( [id] => 19540925 [patent_doc_number] => 20240357961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => WORKING MACHINE WITH OPERATING ROD AND HANGING TOOL FOR SHOULDER BELT [patent_app_type] => utility [patent_app_number] => 18/630096 [patent_app_country] => US [patent_app_date] => 2024-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18630096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/630096
Working machine with operating rod and hanging tool for shoulder belt Apr 8, 2024 Issued
Array ( [id] => 19478163 [patent_doc_number] => 20240326205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => IMPACT WRENCH [patent_app_type] => utility [patent_app_number] => 18/613290 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18613290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/613290
IMPACT WRENCH Mar 21, 2024 Pending
Array ( [id] => 19554432 [patent_doc_number] => 20240366224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => COMPRESSIBLE ADJUNCT WITH CROSSING SPACER FIBERS [patent_app_type] => utility [patent_app_number] => 18/609804 [patent_app_country] => US [patent_app_date] => 2024-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33280 [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] => 18609804 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/609804
Compressible adjunct with crossing spacer fibers Mar 18, 2024 Issued
Array ( [id] => 19358926 [patent_doc_number] => 20240260960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => DEVICES, SYSTEMS, AND METHODS FOR TORQUE AMPLIFICATION IN MEDICAL SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/606231 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9086 [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] => 18606231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/606231
Devices, systems, and methods for torque amplification in medical systems Mar 14, 2024 Issued
Array ( [id] => 20555883 [patent_doc_number] => 20260055663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => POWER HEAD OF DIRECTIONAL DRILL [patent_app_type] => utility [patent_app_number] => 18/875710 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5987 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18875710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/875710
Power head of directional drill Mar 12, 2024 Issued
Array ( [id] => 19447978 [patent_doc_number] => 20240308108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => ELECTRICAL WORK APPARATUS [patent_app_type] => utility [patent_app_number] => 18/604117 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604117 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604117
ELECTRICAL WORK APPARATUS Mar 12, 2024 Pending
Array ( [id] => 19975561 [patent_doc_number] => 12343015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Staple cartridge [patent_app_type] => utility [patent_app_number] => 18/600956 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 4739 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600956
Staple cartridge Mar 10, 2024 Issued
Array ( [id] => 19358932 [patent_doc_number] => 20240260966 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => METHOD FOR OPERATING TIERED OPERATION MODES IN A SURGICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/598835 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 193597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598835 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598835
METHOD FOR OPERATING TIERED OPERATION MODES IN A SURGICAL SYSTEM Mar 6, 2024 Pending
Array ( [id] => 20271189 [patent_doc_number] => 12440955 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Power tool and power tool system [patent_app_type] => utility [patent_app_number] => 18/598190 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598190
Power tool and power tool system Mar 6, 2024 Issued
Array ( [id] => 20671212 [patent_doc_number] => 12611708 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-28 [patent_title] => Hand-held impact tool for creating dent flaws [patent_app_type] => utility [patent_app_number] => 18/598365 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598365 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598365
Hand-held impact tool for creating dent flaws Mar 6, 2024 Issued
Array ( [id] => 19417796 [patent_doc_number] => 20240293919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ANGLE-ADJUSTABLE RATCHET TOOL [patent_app_type] => utility [patent_app_number] => 18/593283 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18593283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/593283
ANGLE-ADJUSTABLE RATCHET TOOL Feb 29, 2024 Pending
Array ( [id] => 19417799 [patent_doc_number] => 20240293922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => NAIL GUN AND METHODS FOR SEQUENTIALLY DRIVING NAILS INTO A SUBSTRATE OR A STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/593576 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24386 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 18593576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/593576
Nail gun and methods for sequentially driving nails into a substrate or a structure Feb 29, 2024 Issued
Array ( [id] => 20534166 [patent_doc_number] => 12551214 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Surgical instruments with differential articulation joint arrangements for accommodating flexible actuators [patent_app_type] => utility [patent_app_number] => 18/591392 [patent_app_country] => US [patent_app_date] => 2024-02-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 113 [patent_figures_cnt] => 139 [patent_no_of_words] => 39689 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18591392 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/591392
Surgical instruments with differential articulation joint arrangements for accommodating flexible actuators Feb 28, 2024 Issued
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