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] => 18807605 [patent_doc_number] => 20230381938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => ELECTRONIC CLUTCH FOR POWERED FASTENER DRIVER [patent_app_type] => utility [patent_app_number] => 18/319098 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18319098 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/319098
Electronic clutch for powered fastener driver May 16, 2023 Issued
Array ( [id] => 18610446 [patent_doc_number] => 20230277176 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => ADJUSTABLE COMMUNICATION BASED ON AVAILABLE BANDWIDTH AND POWER CAPACITY [patent_app_type] => utility [patent_app_number] => 18/195792 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18195792 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/195792
Adjustable communication based on available bandwidth and power capacity May 9, 2023 Issued
Array ( [id] => 20371641 [patent_doc_number] => 12479060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Orbital polishing tool [patent_app_type] => utility [patent_app_number] => 18/144426 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18144426 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/144426
Orbital polishing tool May 7, 2023 Issued
Array ( [id] => 20106609 [patent_doc_number] => 12357307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Power pack for activating surgical instruments and providing user feedback [patent_app_type] => utility [patent_app_number] => 18/273048 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 85 [patent_figures_cnt] => 192 [patent_no_of_words] => 30425 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18273048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/273048
Power pack for activating surgical instruments and providing user feedback May 7, 2023 Issued
Array ( [id] => 20606822 [patent_doc_number] => 12582401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Adapter assembly with constant velocity joints [patent_app_type] => utility [patent_app_number] => 18/864966 [patent_app_country] => US [patent_app_date] => 2023-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 962 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18864966 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/864966
Adapter assembly with constant velocity joints May 7, 2023 Issued
Array ( [id] => 19665745 [patent_doc_number] => 12178464 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Ultrasonic surgical instrument with articulating end effector having a curved blade [patent_app_type] => utility [patent_app_number] => 18/312981 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 40 [patent_no_of_words] => 15272 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18312981 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/312981
Ultrasonic surgical instrument with articulating end effector having a curved blade May 4, 2023 Issued
Array ( [id] => 18655791 [patent_doc_number] => 20230301655 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => POWERED SURGICAL INSTRUMENTS WITH COMMUNICATION INTERFACES THROUGH STERILE BARRIER [patent_app_type] => utility [patent_app_number] => 18/142987 [patent_app_country] => US [patent_app_date] => 2023-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23720 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142987 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142987
Powered surgical instruments with communication interfaces through sterile barrier May 2, 2023 Issued
Array ( [id] => 19504240 [patent_doc_number] => 12115642 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Power tool including loss of control mitigation [patent_app_type] => utility [patent_app_number] => 18/311044 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 10297 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18311044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/311044
Power tool including loss of control mitigation May 1, 2023 Issued
Array ( [id] => 18790077 [patent_doc_number] => 20230378853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => POWER TOOL INCLUDING A PRINTED CIRCUIT BOARD WITH A HIGH IMPEDANCE TRACE [patent_app_type] => utility [patent_app_number] => 18/310718 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/310718
Power tool including a printed circuit board with a high impedance trace May 1, 2023 Issued
Array ( [id] => 19199207 [patent_doc_number] => 11996456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Assemblies which include ruthenium-containing conductive gates [patent_app_type] => utility [patent_app_number] => 18/140757 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 5930 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18140757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/140757
Assemblies which include ruthenium-containing conductive gates Apr 27, 2023 Issued
Array ( [id] => 18581269 [patent_doc_number] => 20230263521 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => STAPLING INSTRUMENT COMPRISING A SEPARATE POWER ANTENNA AND A DATA TRANSFER ANTENNA [patent_app_type] => utility [patent_app_number] => 18/140309 [patent_app_country] => US [patent_app_date] => 2023-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18140309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/140309
Stapling instrument comprising a separate power antenna and a data transfer antenna Apr 26, 2023 Issued
Array ( [id] => 19622548 [patent_doc_number] => 12161336 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Surgical stapler with circumferential firing [patent_app_type] => utility [patent_app_number] => 18/306878 [patent_app_country] => US [patent_app_date] => 2023-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 47 [patent_figures_cnt] => 101 [patent_no_of_words] => 19505 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18306878 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/306878
Surgical stapler with circumferential firing Apr 24, 2023 Issued
Array ( [id] => 20307635 [patent_doc_number] => 20250325264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => POWERED STAPLING DEVICE WITH MANUAL RETRACTION [patent_app_type] => utility [patent_app_number] => 18/861950 [patent_app_country] => US [patent_app_date] => 2023-04-25 [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] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18861950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/861950
Powered stapling device with manual retraction Apr 24, 2023 Issued
Array ( [id] => 18815612 [patent_doc_number] => 20230389950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => MOTOR-DRIVEN SURGICAL CUTTING AND FASTENING INSTRUMENT WITH DRIVE SCREW [patent_app_type] => utility [patent_app_number] => 18/138484 [patent_app_country] => US [patent_app_date] => 2023-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16751 [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] => 18138484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/138484
MOTOR-DRIVEN SURGICAL CUTTING AND FASTENING INSTRUMENT WITH DRIVE SCREW Apr 23, 2023 Abandoned
Array ( [id] => 18565302 [patent_doc_number] => 20230255629 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => MONITORING OF INTERNAL SYSTEMS TO DETECT AND TRACK CARTRIDGE MOTION STATUS [patent_app_type] => utility [patent_app_number] => 18/137170 [patent_app_country] => US [patent_app_date] => 2023-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74397 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18137170 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/137170
Monitoring of internal systems to detect and track cartridge motion status Apr 19, 2023 Issued
Array ( [id] => 18551261 [patent_doc_number] => 20230249264 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => TOOL-HOLDING APPARATUS, IMPACT DRIVER, AND ELECTRIC WORK MACHINE [patent_app_type] => utility [patent_app_number] => 18/136362 [patent_app_country] => US [patent_app_date] => 2023-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12860 [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] => 18136362 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/136362
Tool-holding apparatus, impact driver, and electric work machine Apr 18, 2023 Issued
Array ( [id] => 19550478 [patent_doc_number] => 12134170 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Impact tool [patent_app_type] => utility [patent_app_number] => 18/302069 [patent_app_country] => US [patent_app_date] => 2023-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 49 [patent_no_of_words] => 29684 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18302069 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/302069
Impact tool Apr 17, 2023 Issued
Array ( [id] => 18555671 [patent_doc_number] => 20230253688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => BATTERY PACK DETECTION AND BATTERY DISCHARGE MODE SELECTION [patent_app_type] => utility [patent_app_number] => 18/301423 [patent_app_country] => US [patent_app_date] => 2023-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18301423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/301423
Battery pack detection and battery discharge mode selection Apr 16, 2023 Issued
Array ( [id] => 18708234 [patent_doc_number] => 20230330820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => FASTENING TOOL [patent_app_type] => utility [patent_app_number] => 18/133944 [patent_app_country] => US [patent_app_date] => 2023-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133944
Fastening tool Apr 11, 2023 Issued
Array ( [id] => 18595648 [patent_doc_number] => 20230270437 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => SURGICAL INSTRUMENT INCLUDING A FLEXIBLE SUPPORT CONFIGURED TO SUPPORT A FLEXIBLE FIRING MEMBER [patent_app_type] => utility [patent_app_number] => 18/133283 [patent_app_country] => US [patent_app_date] => 2023-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21468 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18133283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/133283
Surgical instrument including a flexible support configured to support a flexible firing member Apr 10, 2023 Issued
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