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] => 18322683 [patent_doc_number] => 20230120811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Measurement Module of a Surgical System for Determining Drill Breakthrough [patent_app_type] => utility [patent_app_number] => 18/074352 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18074352 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/074352
Measurement module of a surgical system for determining drill breakthrough Dec 1, 2022 Issued
Array ( [id] => 19769061 [patent_doc_number] => 20250050487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => COMPACT MECHANICAL WAVEGUIDES FOR IMPACT DEVICES [patent_app_type] => utility [patent_app_number] => 18/716598 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9623 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18716598 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/716598
Compact mechanical waveguides for impact devices Dec 1, 2022 Issued
Array ( [id] => 18930628 [patent_doc_number] => 11883021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Surgical system providing a reversible connection between two implants or between an implant and a tool of the surgical system [patent_app_type] => utility [patent_app_number] => 17/993859 [patent_app_country] => US [patent_app_date] => 2022-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6750 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17993859 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/993859
Surgical system providing a reversible connection between two implants or between an implant and a tool of the surgical system Nov 22, 2022 Issued
Array ( [id] => 18404292 [patent_doc_number] => 20230165642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-01 [patent_title] => METHOD FOR PRODUCING A SURGICAL INSTRUMENT COMPRISING A SMART ELECTRICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/991346 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 283239 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17991346 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/991346
Method for producing a surgical instrument comprising a smart electrical system Nov 20, 2022 Issued
Array ( [id] => 18238916 [patent_doc_number] => 20230071227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => SURGICAL STAPLER APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 17/985602 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2593 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985602 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985602
SURGICAL STAPLER APPARATUS AND METHOD Nov 10, 2022 Abandoned
Array ( [id] => 19195000 [patent_doc_number] => 11992216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Surgical stapler with end effector coating [patent_app_type] => utility [patent_app_number] => 17/985441 [patent_app_country] => US [patent_app_date] => 2022-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 11665 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17985441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/985441
Surgical stapler with end effector coating Nov 10, 2022 Issued
Array ( [id] => 18535594 [patent_doc_number] => 20230240678 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => SURGICAL STAPLER HAVING MOTOR CONTROL BASED ON AN ELECTRICAL PARAMETER RELATED TO A MOTOR CURRENT [patent_app_type] => utility [patent_app_number] => 17/981584 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 36488 [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] => 17981584 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/981584
Surgical stapler having motor control based on an electrical parameter related to a motor current Nov 6, 2022 Issued
Array ( [id] => 18257407 [patent_doc_number] => 20230084447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => STERILIZATION SYSTEM WITH AUTOMATED STERILIZATION DATA PROCESSING AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/982241 [patent_app_country] => US [patent_app_date] => 2022-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21286 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17982241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/982241
STERILIZATION SYSTEM WITH AUTOMATED STERILIZATION DATA PROCESSING AND RELATED METHODS Nov 6, 2022 Abandoned
Array ( [id] => 19744607 [patent_doc_number] => 20250033172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => POWER TOOL WITH COUPLING MECHANISM [patent_app_type] => utility [patent_app_number] => 18/716271 [patent_app_country] => US [patent_app_date] => 2022-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18716271 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/716271
POWER TOOL WITH COUPLING MECHANISM Oct 31, 2022 Pending
Array ( [id] => 18198819 [patent_doc_number] => 20230052338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => POWER TOOL [patent_app_type] => utility [patent_app_number] => 17/977295 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17977295 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/977295
Power tool Oct 30, 2022 Issued
Array ( [id] => 18194265 [patent_doc_number] => 20230047784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => SURGICAL INSTRUMENT WITH LOCKOUT MECHANISM [patent_app_type] => utility [patent_app_number] => 17/973806 [patent_app_country] => US [patent_app_date] => 2022-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4672 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17973806 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/973806
Surgical instrument with lockout mechanism Oct 25, 2022 Issued
Array ( [id] => 19325185 [patent_doc_number] => 12042844 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-23 [patent_title] => Pull-type fastener, method, and system for reduction of debris [patent_app_type] => utility [patent_app_number] => 17/970854 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 4507 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17970854 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/970854
Pull-type fastener, method, and system for reduction of debris Oct 20, 2022 Issued
Array ( [id] => 18334280 [patent_doc_number] => 20230126228 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => MEDICAL INTERVENTION DEVICE WITH VERSATILE HANDLE [patent_app_type] => utility [patent_app_number] => 18/048521 [patent_app_country] => US [patent_app_date] => 2022-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11367 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18048521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/048521
Medical intervention device with versatile handle Oct 20, 2022 Issued
Array ( [id] => 20120963 [patent_doc_number] => 20250235994 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => ADAPTIVE NUT REMOVAL MODE IN A POWER TOOL [patent_app_type] => utility [patent_app_number] => 18/697943 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12703 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18697943 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/697943
ADAPTIVE NUT REMOVAL MODE IN A POWER TOOL Oct 10, 2022 Pending
Array ( [id] => 19026015 [patent_doc_number] => 11925352 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Systems and methods for installing a surgical buttress on an end effector and using same [patent_app_type] => utility [patent_app_number] => 17/961618 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8131 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961618 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961618
Systems and methods for installing a surgical buttress on an end effector and using same Oct 6, 2022 Issued
Array ( [id] => 18307068 [patent_doc_number] => 20230110968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => Apparatus for Fastening a Functional Element to a Section of a Workpiece [patent_app_type] => utility [patent_app_number] => 17/961624 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17961624 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/961624
Apparatus for fastening a functional element to a section of a workpiece Oct 6, 2022 Issued
Array ( [id] => 20156670 [patent_doc_number] => 12383266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Surgical system with amplitude and pulse width modulation adjustments [patent_app_type] => utility [patent_app_number] => 17/958013 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 49 [patent_figures_cnt] => 50 [patent_no_of_words] => 40076 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17958013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/958013
Surgical system with amplitude and pulse width modulation adjustments Sep 29, 2022 Issued
Array ( [id] => 19149936 [patent_doc_number] => 11974825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Motor adjustments in absence of motor drive signal [patent_app_type] => utility [patent_app_number] => 17/957990 [patent_app_country] => US [patent_app_date] => 2022-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 21440 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17957990 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/957990
Motor adjustments in absence of motor drive signal Sep 29, 2022 Issued
Array ( [id] => 19026094 [patent_doc_number] => 11925431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-12 [patent_title] => Motion feedthrough [patent_app_type] => utility [patent_app_number] => 17/956202 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 27 [patent_no_of_words] => 14517 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956202 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956202
Motion feedthrough Sep 28, 2022 Issued
Array ( [id] => 20437208 [patent_doc_number] => 12508029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Method for calibrating movements of actuated members of powered surgical stapler [patent_app_type] => utility [patent_app_number] => 17/943765 [patent_app_country] => US [patent_app_date] => 2022-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 30 [patent_no_of_words] => 15264 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17943765 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/943765
Method for calibrating movements of actuated members of powered surgical stapler Sep 12, 2022 Issued
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