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] => 16913404 [patent_doc_number] => 20210186496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => SURGICAL INSTRUMENT INCLUDING AN ADAPTER ASSEMBLY AND AN ARTICULATING SURGICAL LOADING UNIT [patent_app_type] => utility [patent_app_number] => 16/718429 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3853 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16718429 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/718429
Surgical instrument including an adapter assembly and an articulating surgical loading unit Dec 17, 2019 Issued
Array ( [id] => 17633594 [patent_doc_number] => 11344298 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Surgical stapling device [patent_app_type] => utility [patent_app_number] => 16/705471 [patent_app_country] => US [patent_app_date] => 2019-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 3603 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16705471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/705471
Surgical stapling device Dec 5, 2019 Issued
Array ( [id] => 17398737 [patent_doc_number] => 20220040827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => APPARATUS FOR TIGHTENING THREADED FASTENERS [patent_app_type] => utility [patent_app_number] => 17/311199 [patent_app_country] => US [patent_app_date] => 2019-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17311199 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/311199
Apparatus for tightening threaded fasteners Dec 3, 2019 Issued
Array ( [id] => 17466480 [patent_doc_number] => 11272936 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Circular surgical stapling device including buttress material [patent_app_type] => utility [patent_app_number] => 16/701266 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4535 [patent_no_of_claims] => 20 [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] => 16701266 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/701266
Circular surgical stapling device including buttress material Dec 2, 2019 Issued
Array ( [id] => 17298477 [patent_doc_number] => 20210394316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => MULTI-HEAD FASTENING SYSTEMS FOR USE IN ROOFING INSTALLATIONS [patent_app_type] => utility [patent_app_number] => 17/297660 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5360 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17297660 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/297660
MULTI-HEAD FASTENING SYSTEMS FOR USE IN ROOFING INSTALLATIONS Nov 26, 2019 Abandoned
Array ( [id] => 17466477 [patent_doc_number] => 11272933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Surgical stapler having articulation mechanism [patent_app_type] => utility [patent_app_number] => 16/693128 [patent_app_country] => US [patent_app_date] => 2019-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 30 [patent_no_of_words] => 6465 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [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] => 16693128 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/693128
Surgical stapler having articulation mechanism Nov 21, 2019 Issued
Array ( [id] => 15658533 [patent_doc_number] => 20200091797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => SELF-DEACTIVATING SHUT-DOWN SWITCH FOR A POWER TOOL [patent_app_type] => utility [patent_app_number] => 16/690485 [patent_app_country] => US [patent_app_date] => 2019-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9354 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16690485 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/690485
Self-deactivating shut-down switch for a power tool Nov 20, 2019 Issued
Array ( [id] => 16805410 [patent_doc_number] => 20210127963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => INTRAOPERATIVE ENDOSCOPE CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/690979 [patent_app_country] => US [patent_app_date] => 2019-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7071 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -60 [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] => 16690979 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/690979
Intraoperative endoscope cleaning system Nov 20, 2019 Issued
Array ( [id] => 17451573 [patent_doc_number] => 11266406 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Control systems for surgical instruments [patent_app_type] => utility [patent_app_number] => 16/682240 [patent_app_country] => US [patent_app_date] => 2019-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 173 [patent_figures_cnt] => 215 [patent_no_of_words] => 74846 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16682240 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/682240
Control systems for surgical instruments Nov 12, 2019 Issued
Array ( [id] => 15585551 [patent_doc_number] => 20200069310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => Surgical Brace Device for Stapled Tissue [patent_app_type] => utility [patent_app_number] => 16/679205 [patent_app_country] => US [patent_app_date] => 2019-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16679205 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/679205
Surgical brace device for stapled tissue Nov 9, 2019 Issued
Array ( [id] => 16341221 [patent_doc_number] => 20200305871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => STAPLE CARTRIDGE COMPRISING A STAPLE DRIVER ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 16/672897 [patent_app_country] => US [patent_app_date] => 2019-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19943 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16672897 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/672897
Staple cartridge comprising a staple driver arrangement Nov 3, 2019 Issued
Array ( [id] => 17161481 [patent_doc_number] => 11147561 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Reload assembly for a circular stapling device [patent_app_type] => utility [patent_app_number] => 16/671287 [patent_app_country] => US [patent_app_date] => 2019-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4541 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16671287 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/671287
Reload assembly for a circular stapling device Oct 31, 2019 Issued
Array ( [id] => 18018052 [patent_doc_number] => 20220369551 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => WORK MACHINE [patent_app_type] => utility [patent_app_number] => 17/771830 [patent_app_country] => US [patent_app_date] => 2019-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17771830 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/771830
WORK MACHINE Oct 30, 2019 Abandoned
Array ( [id] => 18313903 [patent_doc_number] => 11627962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-18 [patent_title] => Surgical stapler main body, nail box, surgical stapler and method of controlling surgical stapler [patent_app_type] => utility [patent_app_number] => 17/266175 [patent_app_country] => US [patent_app_date] => 2019-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 5247 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17266175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/266175
Surgical stapler main body, nail box, surgical stapler and method of controlling surgical stapler Oct 10, 2019 Issued
Array ( [id] => 17161480 [patent_doc_number] => 11147560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Buttress for circular EEA staplers [patent_app_type] => utility [patent_app_number] => 16/598017 [patent_app_country] => US [patent_app_date] => 2019-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4027 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16598017 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/598017
Buttress for circular EEA staplers Oct 9, 2019 Issued
Array ( [id] => 15737971 [patent_doc_number] => 20200107873 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-09 [patent_title] => Tissue Forceps [patent_app_type] => utility [patent_app_number] => 16/592096 [patent_app_country] => US [patent_app_date] => 2019-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4667 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16592096 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/592096
Tissue forceps Oct 2, 2019 Issued
Array ( [id] => 16008231 [patent_doc_number] => 20200178958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => INTERFACE SYSTEMS FOR USE WITH SURGICAL INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 16/585883 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32571 [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] => 16585883 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585883
Interface systems for use with surgical instruments Sep 26, 2019 Issued
Array ( [id] => 16295872 [patent_doc_number] => 20200281595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => STAPLE HEIGHT INDICATOR FOR POWERED SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 16/583387 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16583387 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/583387
Staple height indicator for powered surgical stapler Sep 25, 2019 Issued
Array ( [id] => 16295869 [patent_doc_number] => 20200281592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => TIMER CIRCUIT TO CONTROL FIRING OF POWERED SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 16/583376 [patent_app_country] => US [patent_app_date] => 2019-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16583376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/583376
Timer circuit to control firing of powered surgical stapler Sep 25, 2019 Issued
Array ( [id] => 15707867 [patent_doc_number] => 20200100699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => TIME DEPENDENT EVALUATION OF SENSOR DATA TO DETERMINE STABILITY, CREEP, AND VISCOELASTIC ELEMENTS OF MEASURES [patent_app_type] => utility [patent_app_number] => 16/581945 [patent_app_country] => US [patent_app_date] => 2019-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39179 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16581945 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/581945
Time dependent evaluation of sensor data to determine stability, creep, and viscoelastic elements of measures Sep 24, 2019 Issued
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