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] => 20592133 [patent_doc_number] => 12575829 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Surgical stapling apparatus with articulation brake assembly [patent_app_type] => utility [patent_app_number] => 18/814969 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 1094 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814969
Surgical stapling apparatus with articulation brake assembly Aug 25, 2024 Issued
Array ( [id] => 19642027 [patent_doc_number] => 20240416547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => ENERGY STORAGE MECHANISM AND NAIL GUN HAVING SAME [patent_app_type] => utility [patent_app_number] => 18/813821 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11773 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18813821 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813821
ENERGY STORAGE MECHANISM AND NAIL GUN HAVING SAME Aug 22, 2024 Pending
Array ( [id] => 20444492 [patent_doc_number] => 20260001207 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => HYDRAULIC HAND TOOL [patent_app_type] => utility [patent_app_number] => 18/810475 [patent_app_country] => US [patent_app_date] => 2024-08-20 [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] => -16 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18810475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/810475
HYDRAULIC HAND TOOL Aug 19, 2024 Pending
Array ( [id] => 19752363 [patent_doc_number] => 20250040928 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => MEDICAL INTERVENTION DEVICE WITH VERSATILE HANDLE [patent_app_type] => utility [patent_app_number] => 18/802200 [patent_app_country] => US [patent_app_date] => 2024-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11382 [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] => 18802200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/802200
Medical intervention device with versatile handle Aug 12, 2024 Issued
Array ( [id] => 19752434 [patent_doc_number] => 20250040999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => METHOD OF HUB COMMUNICATION WITH SURGICAL INSTRUMENT SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/799531 [patent_app_country] => US [patent_app_date] => 2024-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 292386 [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] => 18799531 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/799531
Method of hub communication with surgical instrument systems Aug 8, 2024 Issued
Array ( [id] => 19722404 [patent_doc_number] => 20250025155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => SYSTEMS AND SUBSYSTEMS FOR CLOSING A SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 18/775092 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15558 [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] => 18775092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775092
SYSTEMS AND SUBSYSTEMS FOR CLOSING A SURGICAL INSTRUMENT Jul 16, 2024 Abandoned
Array ( [id] => 19722418 [patent_doc_number] => 20250025169 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => ROBOTIC STAPLING AND CUTTING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/775545 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775545 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775545
ROBOTIC STAPLING AND CUTTING SYSTEMS AND METHODS Jul 16, 2024 Issued
Array ( [id] => 20385192 [patent_doc_number] => 12484900 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Systems and subsystems for rolling a surgical instrument including articulation cables [patent_app_type] => utility [patent_app_number] => 18/775249 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 58 [patent_no_of_words] => 11360 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775249 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775249
Systems and subsystems for rolling a surgical instrument including articulation cables Jul 16, 2024 Issued
Array ( [id] => 19722407 [patent_doc_number] => 20250025158 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => SYSTEMS AND SUBSYSTEMS FOR ROLLING A SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 18/775205 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12421 [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] => 18775205 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775205
SYSTEMS AND SUBSYSTEMS FOR ROLLING A SURGICAL INSTRUMENT Jul 16, 2024 Pending
Array ( [id] => 19722414 [patent_doc_number] => 20250025165 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => SYSTEMS AND SUBSYSTEMS FOR ARTICULATING A SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 18/775149 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13714 [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] => 18775149 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775149
SYSTEMS AND SUBSYSTEMS FOR ARTICULATING A SURGICAL INSTRUMENT Jul 16, 2024 Pending
Array ( [id] => 19528896 [patent_doc_number] => 20240352798 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SUPPORT FOR DRILLING AND BOLTING TOOL [patent_app_type] => utility [patent_app_number] => 18/761219 [patent_app_country] => US [patent_app_date] => 2024-07-01 [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] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18761219 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/761219
Support for drilling and bolting tool Jun 30, 2024 Issued
Array ( [id] => 19659257 [patent_doc_number] => 20240426322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => HAND-HELD PULLING AND COMPRESSION DEVICE AND HYDRAULIC FORCE AMPLIFIER [patent_app_type] => utility [patent_app_number] => 18/752751 [patent_app_country] => US [patent_app_date] => 2024-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18752751 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/752751
HAND-HELD PULLING AND COMPRESSION DEVICE AND HYDRAULIC FORCE AMPLIFIER Jun 23, 2024 Pending
Array ( [id] => 20356583 [patent_doc_number] => 12472564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Core drill [patent_app_type] => utility [patent_app_number] => 18/746120 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 5988 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18746120 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746120
Core drill Jun 17, 2024 Issued
Array ( [id] => 20315476 [patent_doc_number] => 12454016 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Core drill [patent_app_type] => utility [patent_app_number] => 18/746123 [patent_app_country] => US [patent_app_date] => 2024-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 4748 [patent_no_of_claims] => 19 [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] => 18746123 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/746123
Core drill Jun 17, 2024 Issued
Array ( [id] => 19476988 [patent_doc_number] => 20240325030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SURGICAL INSTRUMENT FOR DETERMINING CUTTING TOOL BREAKTHROUGH [patent_app_type] => utility [patent_app_number] => 18/741212 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18741212 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741212
Surgical instrument for determining cutting tool breakthrough Jun 11, 2024 Issued
Array ( [id] => 20599460 [patent_doc_number] => 20260077465 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-19 [patent_title] => STAPLER DEVICE WITH ANTI-JAMMING MAGAZINE [patent_app_type] => utility [patent_app_number] => 19/486493 [patent_app_country] => US [patent_app_date] => 2024-05-22 [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] => -9 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19486493 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/486493
STAPLER DEVICE WITH ANTI-JAMMING MAGAZINE May 21, 2024 Pending
Array ( [id] => 20328841 [patent_doc_number] => 12459102 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Power tool [patent_app_type] => utility [patent_app_number] => 18/670892 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 1266 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670892 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670892
Power tool May 21, 2024 Issued
Array ( [id] => 19613870 [patent_doc_number] => 20240399550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => OPERATING MODE DETECTION SYSTEM FOR ROTARY HAMMER [patent_app_type] => utility [patent_app_number] => 18/669728 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6620 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18669728 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669728
Operating mode detection system for rotary hammer May 20, 2024 Issued
Array ( [id] => 20611461 [patent_doc_number] => 12587069 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Power tool battery terminal block assembly [patent_app_type] => utility [patent_app_number] => 18/666919 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/666919
Power tool battery terminal block assembly May 16, 2024 Issued
Array ( [id] => 19769062 [patent_doc_number] => 20250050488 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => POWER TOOL [patent_app_type] => utility [patent_app_number] => 18/667051 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18667051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667051
Power tool May 16, 2024 Issued
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