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] => 17874782 [patent_doc_number] => 11446780 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Dust collector [patent_app_type] => utility [patent_app_number] => 17/060178 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 19119 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 385 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060178
Dust collector Sep 30, 2020 Issued
Array ( [id] => 16718172 [patent_doc_number] => 20210085319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => FASTENER CARTRIDGE ASSEMBLY COMPRISING A FIXED ANVIL AND DIFFERENT STAPLE HEIGHTS [patent_app_type] => utility [patent_app_number] => 17/032013 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17032013 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/032013
Fastener cartridge assembly comprising a fixed anvil and different staple heights Sep 24, 2020 Issued
Array ( [id] => 19201934 [patent_doc_number] => 20240173833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 17/773496 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8883 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17773496 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/773496
Driving device Sep 24, 2020 Issued
Array ( [id] => 16718171 [patent_doc_number] => 20210085318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => FASTENER CARTRIDGE ASSEMBLY COMPRISING A FIXED ANVIL AND DIFFERENT STAPLE HEIGHTS [patent_app_type] => utility [patent_app_number] => 17/032008 [patent_app_country] => US [patent_app_date] => 2020-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17032008 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/032008
Stapling assembly for forming staples to different heights Sep 24, 2020 Issued
Array ( [id] => 16718170 [patent_doc_number] => 20210085317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => SURGICAL INSTRUMENT WITH DETECTION SENSORS [patent_app_type] => utility [patent_app_number] => 17/030715 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 68295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 17030715 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030715
Surgical instrument with detection sensors Sep 23, 2020 Issued
Array ( [id] => 18245781 [patent_doc_number] => 11602340 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-14 [patent_title] => Adhesive film laminate [patent_app_type] => utility [patent_app_number] => 17/030652 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 177 [patent_figures_cnt] => 314 [patent_no_of_words] => 83677 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17030652 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030652
Adhesive film laminate Sep 23, 2020 Issued
Array ( [id] => 16760752 [patent_doc_number] => 20210106333 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => STAPLE CARTRIDGE COMPRISING A VARIABLE THICKNESS COMPRESSIBLE PORTION [patent_app_type] => utility [patent_app_number] => 17/029782 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 108685 [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] => 17029782 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029782
Staple cartridge comprising a variable thickness compressible portion Sep 22, 2020 Issued
Array ( [id] => 17974054 [patent_doc_number] => 11490889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-08 [patent_title] => Surgical stapler having motor control based on an electrical parameter related to a motor current [patent_app_type] => utility [patent_app_number] => 17/023661 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 37 [patent_no_of_words] => 36318 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17023661 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/023661
Surgical stapler having motor control based on an electrical parameter related to a motor current Sep 16, 2020 Issued
Array ( [id] => 16686342 [patent_doc_number] => 20210068817 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => SURGICAL INSTRUMENT WITH AN ANVIL THAT IS SELECTIVELY MOVABLE ABOUT A DISCRETE NON-MOVABLE AXIS RELATIVE TO A STAPLE CARTRIDGE [patent_app_type] => utility [patent_app_number] => 17/022862 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022862 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022862
Surgical instrument having a laminate firing actuator and lateral buckling supports Sep 15, 2020 Issued
Array ( [id] => 17921293 [patent_doc_number] => 11464514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-11 [patent_title] => Motorized surgical stapling system including a sensing array [patent_app_type] => utility [patent_app_number] => 17/018047 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 127 [patent_figures_cnt] => 190 [patent_no_of_words] => 60136 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17018047 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018047
Motorized surgical stapling system including a sensing array Sep 10, 2020 Issued
Array ( [id] => 18443353 [patent_doc_number] => 11678904 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Control end of surgical instrument and surgical instrument having the control end [patent_app_type] => utility [patent_app_number] => 17/017432 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 68 [patent_no_of_words] => 14052 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017432
Control end of surgical instrument and surgical instrument having the control end Sep 9, 2020 Issued
Array ( [id] => 16523363 [patent_doc_number] => 20200397443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => DRUG PATTERNED REINFORCEMENT MATERIAL FOR CIRCULAR ANASTOMOSIS [patent_app_type] => utility [patent_app_number] => 17/011079 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7529 [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] => 17011079 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/011079
Drug patterned reinforcement material for circular anastomosis Sep 2, 2020 Issued
Array ( [id] => 16482087 [patent_doc_number] => 20200375687 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => CONTACTLESS LOADING UNIT DETECTION [patent_app_type] => utility [patent_app_number] => 16/999202 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3027 [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] => 16999202 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999202
Contactless loading unit detection Aug 20, 2020 Issued
Array ( [id] => 16822219 [patent_doc_number] => 20210137512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => ANVIL ASSEMBLIES WITH COLLAPSIBLE FRAMES FOR CIRCULAR STAPLERS [patent_app_type] => utility [patent_app_number] => 16/998379 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16998379 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/998379
Anvil assemblies with collapsible frames for circular staplers Aug 19, 2020 Issued
Array ( [id] => 16481995 [patent_doc_number] => 20200375595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => Surgical Device with Tandem Fasteners [patent_app_type] => utility [patent_app_number] => 16/998495 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16998495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/998495
Surgical device with tandem fasteners Aug 19, 2020 Issued
Array ( [id] => 18588883 [patent_doc_number] => 11737754 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Surgical stapler with floating anvil [patent_app_type] => utility [patent_app_number] => 16/995099 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 156 [patent_figures_cnt] => 291 [patent_no_of_words] => 89702 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995099 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995099
Surgical stapler with floating anvil Aug 16, 2020 Issued
Array ( [id] => 19089359 [patent_doc_number] => 11950778 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-09 [patent_title] => Tissue-acquisition and fastening devices and methods [patent_app_type] => utility [patent_app_number] => 16/990234 [patent_app_country] => US [patent_app_date] => 2020-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 77 [patent_no_of_words] => 14697 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16990234 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/990234
Tissue-acquisition and fastening devices and methods Aug 10, 2020 Issued
Array ( [id] => 18618851 [patent_doc_number] => 11751873 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Electrically powered surgical instrument with manual release [patent_app_type] => utility [patent_app_number] => 16/989720 [patent_app_country] => US [patent_app_date] => 2020-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 53 [patent_figures_cnt] => 66 [patent_no_of_words] => 28532 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16989720 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/989720
Electrically powered surgical instrument with manual release Aug 9, 2020 Issued
Array ( [id] => 17904769 [patent_doc_number] => 11458604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-04 [patent_title] => Position indicator tools and methods [patent_app_type] => utility [patent_app_number] => 16/988230 [patent_app_country] => US [patent_app_date] => 2020-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 29 [patent_no_of_words] => 7332 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16988230 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/988230
Position indicator tools and methods Aug 6, 2020 Issued
Array ( [id] => 16619568 [patent_doc_number] => 20210038221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => Device and Method for Assisting Selection of Surgical Staple Height [patent_app_type] => utility [patent_app_number] => 16/932873 [patent_app_country] => US [patent_app_date] => 2020-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 31398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16932873 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/932873
Device and method for assisting selection of surgical staple height Jul 19, 2020 Issued
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