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] => 19353404 [patent_doc_number] => 12053830 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Device for transmitting torque from a drill to a drill bit [patent_app_type] => utility [patent_app_number] => 17/784384 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 6686 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17784384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784384
Device for transmitting torque from a drill to a drill bit Dec 6, 2020 Issued
Array ( [id] => 16914628 [patent_doc_number] => 20210187720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => BIDIRECTIONAL AIR INLET VALVE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/112348 [patent_app_country] => US [patent_app_date] => 2020-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17112348 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/112348
Bidirectional air inlet valve assembly Dec 3, 2020 Issued
Array ( [id] => 18588880 [patent_doc_number] => 11737751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Devices and methods of managing energy dissipated within sterile barriers of surgical instrument housings [patent_app_type] => utility [patent_app_number] => 17/109648 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 40 [patent_no_of_words] => 21027 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 15 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109648
Devices and methods of managing energy dissipated within sterile barriers of surgical instrument housings Dec 1, 2020 Issued
Array ( [id] => 17640246 [patent_doc_number] => 20220167984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => POWERED SURGICAL INSTRUMENTS WITH COMMUNICATION INTERFACES THROUGH STERILE BARRIER [patent_app_type] => utility [patent_app_number] => 17/109667 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109667
Powered surgical instruments with communication interfaces through sterile barrier Dec 1, 2020 Issued
Array ( [id] => 18011852 [patent_doc_number] => 11504124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Surgical instrument with lockout mechanism [patent_app_type] => utility [patent_app_number] => 17/104223 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 21 [patent_no_of_words] => 4684 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17104223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/104223
Surgical instrument with lockout mechanism Nov 24, 2020 Issued
Array ( [id] => 17625342 [patent_doc_number] => 20220160357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => Compressible Knitted Adjuncts with Finished Edges [patent_app_type] => utility [patent_app_number] => 17/104413 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17104413 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/104413
Compressible knitted adjuncts with finished edges Nov 24, 2020 Issued
Array ( [id] => 16695932 [patent_doc_number] => 10946506 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-03-16 [patent_title] => Driving machine [patent_app_type] => utility [patent_app_number] => 17/100221 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8974 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100221
Driving machine Nov 19, 2020 Issued
Array ( [id] => 16858734 [patent_doc_number] => 20210159479 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => BATTERY PACK DETECTION AND BATTERY DISCHARGE MODE SELECTION [patent_app_type] => utility [patent_app_number] => 16/951516 [patent_app_country] => US [patent_app_date] => 2020-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16951516 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/951516
Battery pack detection and battery discharge mode selection Nov 17, 2020 Issued
Array ( [id] => 16798849 [patent_doc_number] => 10993764 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-05-04 [patent_title] => Insulating grips for minimally invasive surgical instruments [patent_app_type] => utility [patent_app_number] => 17/099415 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7579 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17099415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/099415
Insulating grips for minimally invasive surgical instruments Nov 15, 2020 Issued
Array ( [id] => 18603147 [patent_doc_number] => 11744587 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Powered surgical instrument with independent selectively applied rotary and linear drivetrains [patent_app_type] => utility [patent_app_number] => 17/090402 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 22 [patent_no_of_words] => 17254 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17090402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/090402
Powered surgical instrument with independent selectively applied rotary and linear drivetrains Nov 4, 2020 Issued
Array ( [id] => 16898506 [patent_doc_number] => 20210177422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => RELOAD ASSEMBLY WITH KNIFE CARRIER LOCKOUT [patent_app_type] => utility [patent_app_number] => 17/088160 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5760 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17088160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088160
Reload assembly with knife carrier lockout Nov 2, 2020 Issued
Array ( [id] => 16627086 [patent_doc_number] => 20210045739 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => SURGICAL STAPLING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/086600 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13681 [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] => 17086600 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/086600
Surgical stapling apparatus Nov 1, 2020 Issued
Array ( [id] => 18043458 [patent_doc_number] => 11517390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Surgical instrument comprising a limited travel switch [patent_app_type] => utility [patent_app_number] => 17/084180 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 147 [patent_figures_cnt] => 174 [patent_no_of_words] => 48377 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17084180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084180
Surgical instrument comprising a limited travel switch Oct 28, 2020 Issued
Array ( [id] => 17576456 [patent_doc_number] => 20220133311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => SURGICAL INSTRUMENT COMPRISING A SENSOR CONFIGURED TO SENSE WHETHER AN ARTICULATION DRIVE OF THE SURGICAL INSTRUMENT IS ACTUATABLE [patent_app_type] => utility [patent_app_number] => 17/084193 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 48312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17084193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084193
Surgical instrument comprising a sensor configured to sense whether an articulation drive of the surgical instrument is actuatable Oct 28, 2020 Issued
Array ( [id] => 20200116 [patent_doc_number] => 12402878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Systems, devices, and related methods for fastening tissue [patent_app_type] => utility [patent_app_number] => 17/754909 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3370 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17754909 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754909
Systems, devices, and related methods for fastening tissue Oct 19, 2020 Issued
Array ( [id] => 18116032 [patent_doc_number] => 11547404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Surgical instrument assembly comprising a flexible articulation system [patent_app_type] => utility [patent_app_number] => 17/073503 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 12743 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17073503 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/073503
Surgical instrument assembly comprising a flexible articulation system Oct 18, 2020 Issued
Array ( [id] => 17783283 [patent_doc_number] => 11406384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Stapling device with drive assembly stop member [patent_app_type] => utility [patent_app_number] => 17/063021 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 4109 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063021 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/063021
Stapling device with drive assembly stop member Oct 4, 2020 Issued
Array ( [id] => 17518974 [patent_doc_number] => 20220104822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => METHOD FOR OPERATING TIERED OPERATION MODES IN A SURGICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/062504 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 193352 [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] => 17062504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062504
Method for operating tiered operation modes in a surgical system Oct 1, 2020 Issued
Array ( [id] => 18427336 [patent_doc_number] => 11672534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Communication capability of a smart stapler [patent_app_type] => utility [patent_app_number] => 17/062511 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 28 [patent_no_of_words] => 37957 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062511 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062511
Communication capability of a smart stapler Oct 1, 2020 Issued
Array ( [id] => 16718179 [patent_doc_number] => 20210085326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => COMPRESSIBLE ADJUNCT WITH CROSSING SPACER FIBERS [patent_app_type] => utility [patent_app_number] => 17/061764 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33189 [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] => 17061764 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061764
Compressible adjunct with crossing spacer fibers Oct 1, 2020 Issued
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