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] => 18627310 [patent_doc_number] => 20230286127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => POWER TOOL INCLUDING SOFT-STOP TRANSMISSION [patent_app_type] => utility [patent_app_number] => 18/180175 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4533 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180175
Power tool including soft-stop transmission Mar 7, 2023 Issued
Array ( [id] => 18626239 [patent_doc_number] => 20230285020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => DEVICES FOR DEPLOYING TISSUE FASTENERS [patent_app_type] => utility [patent_app_number] => 18/117072 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18117072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/117072
Devices for deploying tissue fasteners Mar 2, 2023 Issued
Array ( [id] => 18467734 [patent_doc_number] => 20230202015 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => ELECTRIC HAMMER [patent_app_type] => utility [patent_app_number] => 18/177535 [patent_app_country] => US [patent_app_date] => 2023-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18177535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/177535
Electric hammer Mar 1, 2023 Issued
Array ( [id] => 18627312 [patent_doc_number] => 20230286129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => WORKING MACHINE [patent_app_type] => utility [patent_app_number] => 18/176059 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176059
Working machine Feb 27, 2023 Issued
Array ( [id] => 19104279 [patent_doc_number] => 11957346 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Force modulating deep skin staples and instruments [patent_app_type] => utility [patent_app_number] => 18/111080 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 45 [patent_no_of_words] => 28528 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18111080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/111080
Force modulating deep skin staples and instruments Feb 16, 2023 Issued
Array ( [id] => 19592810 [patent_doc_number] => 12150625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Intraoperative endoscope cleaning system [patent_app_type] => utility [patent_app_number] => 18/171172 [patent_app_country] => US [patent_app_date] => 2023-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 46 [patent_no_of_words] => 7104 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171172
Intraoperative endoscope cleaning system Feb 16, 2023 Issued
Array ( [id] => 19104280 [patent_doc_number] => 11957347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-16 [patent_title] => Devices, systems, and methods for torque amplification in medical systems [patent_app_type] => utility [patent_app_number] => 18/169026 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 9086 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18169026 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/169026
Devices, systems, and methods for torque amplification in medical systems Feb 13, 2023 Issued
Array ( [id] => 18582081 [patent_doc_number] => 20230264336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => WORKING DEVICE [patent_app_type] => utility [patent_app_number] => 18/108294 [patent_app_country] => US [patent_app_date] => 2023-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4428 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18108294 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/108294
Working device Feb 9, 2023 Issued
Array ( [id] => 18690643 [patent_doc_number] => 20230320792 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => METHOD OF HUB COMMUNICATION WITH SURGICAL INSTRUMENT SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/103105 [patent_app_country] => US [patent_app_date] => 2023-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 292362 [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] => 18103105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/103105
Method of hub communication with surgical instrument systems Jan 29, 2023 Issued
Array ( [id] => 18646913 [patent_doc_number] => 20230292679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => MECHANISM AND METHODS FOR ROBOTIC INSTALLATION OF STAKES [patent_app_type] => utility [patent_app_number] => 18/101168 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7829 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101168 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101168
Mechanism and methods for robotic installation of stakes Jan 24, 2023 Issued
Array ( [id] => 19490268 [patent_doc_number] => 12108950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Surgical instrument assembly comprising a flexible articulation system [patent_app_type] => utility [patent_app_number] => 18/092634 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 12831 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18092634 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/092634
Surgical instrument assembly comprising a flexible articulation system Jan 2, 2023 Issued
Array ( [id] => 18994216 [patent_doc_number] => 11911031 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Surgical tool for implant [patent_app_type] => utility [patent_app_number] => 18/089288 [patent_app_country] => US [patent_app_date] => 2022-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5017 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18089288 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/089288
Surgical tool for implant Dec 26, 2022 Issued
Array ( [id] => 18483240 [patent_doc_number] => 20230210530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => POWERED SURGICAL INSTRUMENT WITH INDEPENDENT SELECTIVELY APPLIED ROTARY AND LINEAR DRIVETRAINS [patent_app_type] => utility [patent_app_number] => 18/086914 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18086914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086914
Powered surgical instrument with independent selectively applied rotary and linear drivetrains Dec 21, 2022 Issued
Array ( [id] => 19910678 [patent_doc_number] => 12286882 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Penetrating cushion damping device [patent_app_type] => utility [patent_app_number] => 18/069337 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069337
Penetrating cushion damping device Dec 20, 2022 Issued
Array ( [id] => 20172330 [patent_doc_number] => 12391057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Wire stitching apparatus with missing staple pin detection mechanism [patent_app_type] => utility [patent_app_number] => 18/723054 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18723054 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/723054
Wire stitching apparatus with missing staple pin detection mechanism Dec 20, 2022 Issued
Array ( [id] => 20437206 [patent_doc_number] => 12508027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => Surgical instrument [patent_app_type] => utility [patent_app_number] => 18/729936 [patent_app_country] => US [patent_app_date] => 2022-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4488 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18729936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/729936
Surgical instrument Dec 14, 2022 Issued
Array ( [id] => 20534942 [patent_doc_number] => 12551995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Hydraulic torque wrench [patent_app_type] => utility [patent_app_number] => 18/720136 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18720136 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/720136
Hydraulic torque wrench Dec 13, 2022 Issued
Array ( [id] => 19074967 [patent_doc_number] => 11944308 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Compressible adjunct with crossing spacer fibers [patent_app_type] => utility [patent_app_number] => 18/081335 [patent_app_country] => US [patent_app_date] => 2022-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 48 [patent_no_of_words] => 33238 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18081335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/081335
Compressible adjunct with crossing spacer fibers Dec 13, 2022 Issued
Array ( [id] => 19738655 [patent_doc_number] => 12215478 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Ram block arrangement and piling hammer using electric machine [patent_app_type] => utility [patent_app_number] => 18/719389 [patent_app_country] => US [patent_app_date] => 2022-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 9080 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18719389 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/719389
Ram block arrangement and piling hammer using electric machine Dec 12, 2022 Issued
Array ( [id] => 20748911 [patent_doc_number] => 20260151129 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-04 [patent_title] => RETRACTION TORQUE MONITORING OF SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 18/706828 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18706828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/706828
RETRACTION TORQUE MONITORING OF SURGICAL STAPLER Dec 4, 2022 Pending
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