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] => 17618673 [patent_doc_number] => 11337696 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Surgical stapling device [patent_app_type] => utility [patent_app_number] => 16/800149 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 111 [patent_no_of_words] => 13903 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800149 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800149
Surgical stapling device Feb 24, 2020 Issued
Array ( [id] => 17050293 [patent_doc_number] => 20210259727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => TIP PROTECTOR FOR ENSURING TROCAR INSERTION [patent_app_type] => utility [patent_app_number] => 16/799172 [patent_app_country] => US [patent_app_date] => 2020-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4053 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16799172 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/799172
Tip protector for ensuring trocar insertion Feb 23, 2020 Issued
Array ( [id] => 18443352 [patent_doc_number] => 11678903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Ultrasonic surgical instrument with articulating end effector having a curved blade [patent_app_type] => utility [patent_app_number] => 16/791124 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 40 [patent_no_of_words] => 15206 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791124 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791124
Ultrasonic surgical instrument with articulating end effector having a curved blade Feb 13, 2020 Issued
Array ( [id] => 16295874 [patent_doc_number] => 20200281597 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => STRAIN GAUGE STABILIZATION IN A SURGICAL DEVICE [patent_app_type] => utility [patent_app_number] => 16/790327 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790327 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790327
Strain gauge stabilization in a surgical device Feb 12, 2020 Issued
Array ( [id] => 17618678 [patent_doc_number] => 11337701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Devices and methods for assembling adapter assemblies [patent_app_type] => utility [patent_app_number] => 16/788383 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 22 [patent_no_of_words] => 5351 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16788383 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/788383
Devices and methods for assembling adapter assemblies Feb 11, 2020 Issued
Array ( [id] => 18043396 [patent_doc_number] => 11517326 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-06 [patent_title] => Methods and systems of determining drill breakthrough during surgical drilling [patent_app_type] => utility [patent_app_number] => 16/784878 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 12233 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16784878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784878
Methods and systems of determining drill breakthrough during surgical drilling Feb 6, 2020 Issued
Array ( [id] => 18931540 [patent_doc_number] => 11883938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Handheld setting tool [patent_app_type] => utility [patent_app_number] => 17/619714 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 12215 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17619714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619714
Handheld setting tool Feb 5, 2020 Issued
Array ( [id] => 18213446 [patent_doc_number] => 20230059710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => SURGICAL STAPLING INSTRUMENT WITH CURVED END EFFECTOR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/796922 [patent_app_country] => US [patent_app_date] => 2020-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4851 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17796922 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/796922
SURGICAL STAPLING INSTRUMENT WITH CURVED END EFFECTOR ASSEMBLY Feb 2, 2020 Abandoned
Array ( [id] => 17554636 [patent_doc_number] => 11311291 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-26 [patent_title] => Surgical adapter assemblies for use between surgical handle assembly and surgical end effectors [patent_app_type] => utility [patent_app_number] => 16/778538 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5645 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 284 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16778538 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/778538
Surgical adapter assemblies for use between surgical handle assembly and surgical end effectors Jan 30, 2020 Issued
Array ( [id] => 16266903 [patent_doc_number] => 20200268390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => ENCAPSULATED PLUG ASSEMBLY FOR ELECTROMECHANICAL SURGICAL DEVICES [patent_app_type] => utility [patent_app_number] => 16/773424 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773424 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773424
Encapsulated plug assembly for electromechanical surgical devices Jan 26, 2020 Issued
Array ( [id] => 17451568 [patent_doc_number] => 11266401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Articulating apparatus for endoscopic procedures with timing system [patent_app_type] => utility [patent_app_number] => 16/752986 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 50 [patent_no_of_words] => 11326 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16752986 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/752986
Articulating apparatus for endoscopic procedures with timing system Jan 26, 2020 Issued
Array ( [id] => 16266902 [patent_doc_number] => 20200268389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => ENCAPSULATED PLUG ASSEMBLY FOR ELECTROMECHANICAL SURGICAL DEVICES [patent_app_type] => utility [patent_app_number] => 16/773197 [patent_app_country] => US [patent_app_date] => 2020-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4603 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16773197 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/773197
ENCAPSULATED PLUG ASSEMBLY FOR ELECTROMECHANICAL SURGICAL DEVICES Jan 26, 2020 Abandoned
Array ( [id] => 17466481 [patent_doc_number] => 11272937 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Surgical staple cartridge for supporting surgical buttress material [patent_app_type] => utility [patent_app_number] => 16/748899 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 31 [patent_no_of_words] => 6958 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16748899 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748899
Surgical staple cartridge for supporting surgical buttress material Jan 21, 2020 Issued
Array ( [id] => 17472988 [patent_doc_number] => 20220080492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => PRESS APPARATUS [patent_app_type] => utility [patent_app_number] => 17/614953 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17614953 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/614953
Press apparatus Jan 16, 2020 Issued
Array ( [id] => 16961183 [patent_doc_number] => 20210212682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => MULTIDIRECTIONAL APPARATUS [patent_app_type] => utility [patent_app_number] => 16/743317 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743317 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743317
Multidirectional apparatus Jan 14, 2020 Issued
Array ( [id] => 15896513 [patent_doc_number] => 20200147775 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => REVERSION TRIGGER FOR COMBUSTION-POWERED FASTENER-DRIVING TOOL [patent_app_type] => utility [patent_app_number] => 16/743538 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743538 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743538
Reversion trigger for combustion-powered fastener-driving tool Jan 14, 2020 Issued
Array ( [id] => 17712031 [patent_doc_number] => 11376006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => End effector force measurement with digital drive circuit [patent_app_type] => utility [patent_app_number] => 16/739336 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 5980 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16739336 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/739336
End effector force measurement with digital drive circuit Jan 9, 2020 Issued
Array ( [id] => 17452278 [patent_doc_number] => 11267115 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Fastener-driving tool including a reversion trigger with a damper [patent_app_type] => utility [patent_app_number] => 16/738679 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3986 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16738679 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/738679
Fastener-driving tool including a reversion trigger with a damper Jan 8, 2020 Issued
Array ( [id] => 16913414 [patent_doc_number] => 20210186506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => STAPLING INSTRUMENT COMPRISING INDEPENDENT JAW CLOSING AND STAPLE FIRING SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/720789 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 53318 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720789 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720789
Stapling instrument comprising independent jaw closing and staple firing systems Dec 18, 2019 Issued
Array ( [id] => 16913417 [patent_doc_number] => 20210186509 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => POSITIONING GUIDE FOR SURGICAL INSTRUMENTS AND SURGICAL INSTRUMENT SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/720235 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2901 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16720235 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/720235
Positioning guide for surgical instruments and surgical instrument systems Dec 18, 2019 Issued
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