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] => 19081531 [patent_doc_number] => 20240108332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => METHOD OF OPERATING A SURGICAL INSTRUMENT [patent_app_type] => utility [patent_app_number] => 18/536451 [patent_app_country] => US [patent_app_date] => 2023-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 58997 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18536451 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/536451
Method of operating a surgical instrument Dec 11, 2023 Issued
Array ( [id] => 19201933 [patent_doc_number] => 20240173832 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => HANDHELD SETTING TOOL [patent_app_type] => utility [patent_app_number] => 18/532095 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18532095 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532095
HANDHELD SETTING TOOL Dec 6, 2023 Abandoned
Array ( [id] => 19170483 [patent_doc_number] => 20240156457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => DEVICES FOR DEPLOYING TISSUE FASTENERS [patent_app_type] => utility [patent_app_number] => 18/519420 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9176 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519420 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519420
Devices for deploying tissue fasteners Nov 26, 2023 Issued
Array ( [id] => 19038815 [patent_doc_number] => 20240088630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Backpack power supply device and backpack tool system [patent_app_type] => utility [patent_app_number] => 18/509265 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18509265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/509265
Backpack power supply device and backpack tool system Nov 13, 2023 Issued
Array ( [id] => 19019431 [patent_doc_number] => 20240075602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => FASTENER-DRIVING TOOL INCLUDING A REVERSION TRIGGER WITH A DAMPER [patent_app_type] => utility [patent_app_number] => 18/507810 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4043 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507810
Fastener-driving tool including a reversion trigger with a damper Nov 12, 2023 Issued
Array ( [id] => 19870054 [patent_doc_number] => 12262889 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-01 [patent_title] => Sliding compression retainers for staple cartridges with implantable adjuncts [patent_app_type] => utility [patent_app_number] => 18/505766 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 7598 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505766
Sliding compression retainers for staple cartridges with implantable adjuncts Nov 8, 2023 Issued
Array ( [id] => 19018581 [patent_doc_number] => 20240074752 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => TISSUE THICKNESS COMPENSATOR COMPRISING CONTROLLED RELEASE AND EXPANSION [patent_app_type] => utility [patent_app_number] => 18/388079 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 68079 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18388079 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/388079
Tissue thickness compensator comprising laterally offset layers Nov 7, 2023 Issued
Array ( [id] => 19858612 [patent_doc_number] => 12261471 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Technologies for detection of drive train failures in a surgical instrument [patent_app_type] => utility [patent_app_number] => 18/503623 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 105 [patent_figures_cnt] => 168 [patent_no_of_words] => 61787 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 18503623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503623
Technologies for detection of drive train failures in a surgical instrument Nov 6, 2023 Issued
Array ( [id] => 18986034 [patent_doc_number] => 20240058003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => ANVIL BUTTRESS LOADING SYSTEM FOR SURGICAL STAPLING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/386657 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7165 [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] => 18386657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386657
Anvil buttress loading system for surgical stapling apparatus Nov 2, 2023 Issued
Array ( [id] => 20114797 [patent_doc_number] => 12364481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Intelligent anvil for circular surgical stapler [patent_app_type] => utility [patent_app_number] => 18/500525 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 29 [patent_no_of_words] => 8594 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [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] => 18500525 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/500525
Intelligent anvil for circular surgical stapler Nov 1, 2023 Issued
Array ( [id] => 19845832 [patent_doc_number] => 20250091183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => Empty-Firing Prevention Safety Device for a Nail Gun [patent_app_type] => utility [patent_app_number] => 18/499279 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4082 [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] => 18499279 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499279
Empty-firing prevention safety device for a nail gun Oct 31, 2023 Issued
Array ( [id] => 19946793 [patent_doc_number] => 12318128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Insulating grips for minimally invasive surgical instruments [patent_app_type] => utility [patent_app_number] => 18/498414 [patent_app_country] => US [patent_app_date] => 2023-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2323 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18498414 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/498414
Insulating grips for minimally invasive surgical instruments Oct 30, 2023 Issued
Array ( [id] => 19902788 [patent_doc_number] => 12279772 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Lockout feature for linear surgical stapler cartridge [patent_app_type] => utility [patent_app_number] => 18/497174 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 4210 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18497174 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/497174
Lockout feature for linear surgical stapler cartridge Oct 29, 2023 Issued
Array ( [id] => 18971013 [patent_doc_number] => 20240051105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => REVERSION TRIGGER FOR COMBUSTION-POWERED FASTENER-DRIVING TOOL [patent_app_type] => utility [patent_app_number] => 18/495275 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495275
Reversion trigger for combustion-powered fastener-driving tool Oct 25, 2023 Issued
Array ( [id] => 18953130 [patent_doc_number] => 20240041457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => SURGICAL STAPLER HAVING A POWERED HANDLE [patent_app_type] => utility [patent_app_number] => 18/490490 [patent_app_country] => US [patent_app_date] => 2023-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490490 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/490490
Surgical stapler having a powered handle Oct 18, 2023 Issued
Array ( [id] => 19699672 [patent_doc_number] => 12193670 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-14 [patent_title] => Surgical staple cartridge comprising replaceable electronics package [patent_app_type] => utility [patent_app_number] => 18/379784 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 29 [patent_no_of_words] => 16684 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379784 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379784
Surgical staple cartridge comprising replaceable electronics package Oct 12, 2023 Issued
Array ( [id] => 19982497 [patent_doc_number] => 20250120719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => ADJUNCTS FOR USE WITH SURGICAL STAPLING INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 18/379820 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9179 [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] => 18379820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379820
Adjuncts for use with surgical stapling instruments Oct 12, 2023 Issued
Array ( [id] => 19982493 [patent_doc_number] => 20250120715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => ZONED ALGORITHM ADAPTIVE CHANGES BASED ON CORRELATION OF COOPERATIVE COMPRESSION CONTRIBUTIONS OF TISSUE [patent_app_type] => utility [patent_app_number] => 18/379827 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28137 [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] => 18379827 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379827
Zoned algorithm adaptive changes based on correlation of cooperative compression contributions of tissue Oct 12, 2023 Issued
Array ( [id] => 19657109 [patent_doc_number] => 20240424174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => SYSTEMS AND METHODS FOR CUSTOMIZING CROSSLINKING DENSITY IN BIOABSORBABLE MATERIALS [patent_app_type] => utility [patent_app_number] => 18/484988 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9581 [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] => 18484988 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484988
SYSTEMS AND METHODS FOR CUSTOMIZING CROSSLINKING DENSITY IN BIOABSORBABLE MATERIALS Oct 10, 2023 Pending
Array ( [id] => 20212281 [patent_doc_number] => 12408914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Systems and methods for customizing mechanical strength in stimuli-responsive bioabsorbable materials [patent_app_type] => utility [patent_app_number] => 18/484929 [patent_app_country] => US [patent_app_date] => 2023-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 7331 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18484929 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/484929
Systems and methods for customizing mechanical strength in stimuli-responsive bioabsorbable materials Oct 10, 2023 Issued
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