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] => 18716189 [patent_doc_number] => 11793509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Staple cartridge including an implantable layer [patent_app_type] => utility [patent_app_number] => 17/213530 [patent_app_country] => US [patent_app_date] => 2021-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 327 [patent_figures_cnt] => 574 [patent_no_of_words] => 150812 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17213530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/213530
Staple cartridge including an implantable layer Mar 25, 2021 Issued
Array ( [id] => 17895024 [patent_doc_number] => 20220304686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => ROTARY-DRIVEN SURGICAL STAPLING ASSEMBLY COMPRISING ECCENTRICALLY DRIVEN FIRING MEMBER [patent_app_type] => utility [patent_app_number] => 17/211172 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55969 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211172 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211172
Rotary-driven surgical stapling assembly comprising eccentrically driven firing member Mar 23, 2021 Issued
Array ( [id] => 17895023 [patent_doc_number] => 20220304685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => SURGICAL STAPLE CARTRIDGE COMPRISING LONGITUDINAL SUPPORT BEAM [patent_app_type] => utility [patent_app_number] => 17/211168 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211168
Surgical staple cartridge comprising longitudinal support beam Mar 23, 2021 Issued
Array ( [id] => 17895022 [patent_doc_number] => 20220304684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => SURGICAL STAPLING ASSEMBLY COMPRISING NONPLANAR STAPLES AND PLANAR STAPLES [patent_app_type] => utility [patent_app_number] => 17/211161 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211161 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211161
Surgical stapling assembly comprising nonplanar staples and planar staples Mar 23, 2021 Issued
Array ( [id] => 17895026 [patent_doc_number] => 20220304688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => FIRING MEMBERS HAVING FLEXIBLE PORTIONS FOR ADAPTING TO A LOAD DURING A SURGICAL FIRING STROKE [patent_app_type] => utility [patent_app_number] => 17/211207 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27549 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17211207 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/211207
Firing members having flexible portions for adapting to a load during a surgical firing stroke Mar 23, 2021 Issued
Array ( [id] => 17080166 [patent_doc_number] => 20210275172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => SURGICAL INSTRUMENTS WITH SEPARABLE MOTORS AND MOTOR CONTROL CIRCUITS [patent_app_type] => utility [patent_app_number] => 17/209794 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209794
SURGICAL INSTRUMENTS WITH SEPARABLE MOTORS AND MOTOR CONTROL CIRCUITS Mar 22, 2021 Abandoned
Array ( [id] => 18603148 [patent_doc_number] => 11744588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-05 [patent_title] => Surgical stapling instrument including a removably attachable battery pack [patent_app_type] => utility [patent_app_number] => 17/209961 [patent_app_country] => US [patent_app_date] => 2021-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 130 [patent_figures_cnt] => 142 [patent_no_of_words] => 84340 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17209961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/209961
Surgical stapling instrument including a removably attachable battery pack Mar 22, 2021 Issued
Array ( [id] => 18716198 [patent_doc_number] => 11793518 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Powered surgical instruments with firing system lockout arrangements [patent_app_type] => utility [patent_app_number] => 17/208296 [patent_app_country] => US [patent_app_date] => 2021-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 69 [patent_figures_cnt] => 81 [patent_no_of_words] => 29285 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17208296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/208296
Powered surgical instruments with firing system lockout arrangements Mar 21, 2021 Issued
Array ( [id] => 17080047 [patent_doc_number] => 20210275053 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => TIME DEPENDENT EVALUATION OF SENSOR DATA TO DETERMINE STABILITY, CREEP, AND VISCOELASTIC ELEMENTS OF MEASURES [patent_app_type] => utility [patent_app_number] => 17/205510 [patent_app_country] => US [patent_app_date] => 2021-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39221 [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] => 17205510 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/205510
Time dependent evaluation of sensor data to determine stability, creep, and viscoelastic elements of measures Mar 17, 2021 Issued
Array ( [id] => 16931463 [patent_doc_number] => 20210197352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => DRIVING MACHINE [patent_app_type] => utility [patent_app_number] => 17/199801 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17199801 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/199801
Driving machine Mar 11, 2021 Issued
Array ( [id] => 18869412 [patent_doc_number] => 11857187 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Tissue thickness compensator comprising controlled release and expansion [patent_app_type] => utility [patent_app_number] => 17/197524 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 143 [patent_figures_cnt] => 232 [patent_no_of_words] => 68018 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197524 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197524
Tissue thickness compensator comprising controlled release and expansion Mar 9, 2021 Issued
Array ( [id] => 18852758 [patent_doc_number] => 11850310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Staple cartridge including an adjunct [patent_app_type] => utility [patent_app_number] => 17/195925 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 239 [patent_figures_cnt] => 444 [patent_no_of_words] => 122164 [patent_no_of_claims] => 20 [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] => 17195925 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195925
Staple cartridge including an adjunct Mar 8, 2021 Issued
Array ( [id] => 17050552 [patent_doc_number] => 20210259986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES [patent_app_type] => utility [patent_app_number] => 17/195921 [patent_app_country] => US [patent_app_date] => 2021-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 122152 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17195921 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/195921
TISSUE THICKNESS COMPENSATOR CONFIGURED TO REDISTRIBUTE COMPRESSIVE FORCES Mar 8, 2021 Abandoned
Array ( [id] => 16961181 [patent_doc_number] => 20210212680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => SURGICAL STAPLING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/194791 [patent_app_country] => US [patent_app_date] => 2021-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22984 [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] => 17194791 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/194791
Surgical stapling apparatus Mar 7, 2021 Issued
Array ( [id] => 20611586 [patent_doc_number] => 12587195 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Non-contact direction selector mechanism [patent_app_type] => utility [patent_app_number] => 17/192180 [patent_app_country] => US [patent_app_date] => 2021-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17192180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/192180
Non-contact direction selector mechanism Mar 3, 2021 Issued
Array ( [id] => 18573969 [patent_doc_number] => 11730474 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Fastener cartridge assembly comprising a movable cartridge and a staple driver arrangement [patent_app_type] => utility [patent_app_number] => 17/188453 [patent_app_country] => US [patent_app_date] => 2021-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 75 [patent_figures_cnt] => 99 [patent_no_of_words] => 18291 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17188453 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/188453
Fastener cartridge assembly comprising a movable cartridge and a staple driver arrangement Feb 28, 2021 Issued
Array ( [id] => 17020541 [patent_doc_number] => 20210244412 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => COMPRESSIBLE ADJUNCT WITH CROSSING SPACER FIBERS [patent_app_type] => utility [patent_app_number] => 17/186335 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33196 [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] => 17186335 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186335
Implantable layer with spacer fibers Feb 25, 2021 Issued
Array ( [id] => 18491352 [patent_doc_number] => 11696757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-11 [patent_title] => Monitoring of internal systems to detect and track cartridge motion status [patent_app_type] => utility [patent_app_number] => 17/186353 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 63 [patent_no_of_words] => 74358 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [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] => 17186353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186353
Monitoring of internal systems to detect and track cartridge motion status Feb 25, 2021 Issued
Array ( [id] => 17836000 [patent_doc_number] => 20220273305 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => STAPLING INSTRUMENT COMPRISING A SEPARATE POWER ANTENNA AND A DATA TRANSFER ANTENNA [patent_app_type] => utility [patent_app_number] => 17/186421 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 74270 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186421 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186421
Stapling instrument comprising a separate power antenna and a data transfer antenna Feb 25, 2021 Issued
Array ( [id] => 18573968 [patent_doc_number] => 11730473 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Monitoring of manufacturing life-cycle [patent_app_type] => utility [patent_app_number] => 17/186345 [patent_app_country] => US [patent_app_date] => 2021-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 55 [patent_figures_cnt] => 63 [patent_no_of_words] => 74362 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17186345 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/186345
Monitoring of manufacturing life-cycle Feb 25, 2021 Issued
Menu