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] => 18901904 [patent_doc_number] => 20240017389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => WORKING TOOL [patent_app_type] => utility [patent_app_number] => 18/254269 [patent_app_country] => US [patent_app_date] => 2021-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18254269 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/254269
Working tool Oct 28, 2021 Issued
Array ( [id] => 17383479 [patent_doc_number] => 20220031331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => BUTTRESS FOR CIRCULAR EEA STAPLERS [patent_app_type] => utility [patent_app_number] => 17/504773 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4046 [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] => 17504773 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/504773
Buttress for circular EEA staplers Oct 18, 2021 Issued
Array ( [id] => 18476893 [patent_doc_number] => 11690616 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Orthopedic staple insertion [patent_app_type] => utility [patent_app_number] => 17/502495 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 13710 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17502495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/502495
Orthopedic staple insertion Oct 14, 2021 Issued
Array ( [id] => 18986959 [patent_doc_number] => 20240058928 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => LOAD MEASUREMENT SYSTEM FOR HYDRAULIC TORQUE WRENCH [patent_app_type] => utility [patent_app_number] => 18/026367 [patent_app_country] => US [patent_app_date] => 2021-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18026367 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/026367
Load measurement system for hydraulic torque wrench Oct 14, 2021 Issued
Array ( [id] => 17518975 [patent_doc_number] => 20220104823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => Electrically Self-Powered Surgical Instrument with Cryptographic Identification of Interchangeable Part [patent_app_type] => utility [patent_app_number] => 17/450938 [patent_app_country] => US [patent_app_date] => 2021-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17450938 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/450938
Electrically self-powered surgical instrument with cryptographic identification of interchangeable part Oct 13, 2021 Issued
Array ( [id] => 18307208 [patent_doc_number] => 20230111108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => SURGICAL BUTTRESS ATTACHMENT ASSEMBLIES FOR SURGICAL STAPLING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/500193 [patent_app_country] => US [patent_app_date] => 2021-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17500193 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/500193
Surgical buttress attachment assemblies for surgical stapling apparatus Oct 12, 2021 Issued
Array ( [id] => 18860891 [patent_doc_number] => 20230415326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => A Power Tool [patent_app_type] => utility [patent_app_number] => 18/249436 [patent_app_country] => US [patent_app_date] => 2021-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4699 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18249436 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/249436
Power tool Sep 30, 2021 Issued
Array ( [id] => 19058623 [patent_doc_number] => 11937812 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Lockout feature for linear surgical stapler cartridge [patent_app_type] => utility [patent_app_number] => 17/489879 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8960 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17489879 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/489879
Lockout feature for linear surgical stapler cartridge Sep 29, 2021 Issued
Array ( [id] => 17472086 [patent_doc_number] => 20220079590 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => METHODS OF STAPLING TISSUE [patent_app_type] => utility [patent_app_number] => 17/485947 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 69150 [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] => 17485947 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/485947
Methods of stapling tissue Sep 26, 2021 Issued
Array ( [id] => 17344292 [patent_doc_number] => 20220010623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => MULTILAYER SOLID LUBRICANT ARCHITECTURE FOR USE IN DRILLING TOOL APPLICATIONS [patent_app_type] => utility [patent_app_number] => 17/485749 [patent_app_country] => US [patent_app_date] => 2021-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17485749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/485749
Multilayer solid lubricant architecture for use in drilling tool applications Sep 26, 2021 Issued
Array ( [id] => 17483114 [patent_doc_number] => 20220090618 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => STAPLE AND STAPLE COLLATION [patent_app_type] => utility [patent_app_number] => 17/482061 [patent_app_country] => US [patent_app_date] => 2021-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17482061 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/482061
Staple and staple collation Sep 21, 2021 Issued
Array ( [id] => 17458326 [patent_doc_number] => 20220071630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => FASTENER CARTRIDGE ASSEMBLY COMPRISING A FIXED ANVIL AND DIFFERENT STAPLE HEIGHTS [patent_app_type] => utility [patent_app_number] => 17/478318 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17559 [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] => 17478318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/478318
Fastener cartridge assembly comprising an anvil and different staple heights Sep 16, 2021 Issued
Array ( [id] => 19579160 [patent_doc_number] => 12145250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Electric hand-held power tool with rechargeable battery protection [patent_app_type] => utility [patent_app_number] => 18/025771 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1929 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18025771 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025771
Electric hand-held power tool with rechargeable battery protection Sep 16, 2021 Issued
Array ( [id] => 17441340 [patent_doc_number] => 20220061845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => MANUALLY DRIVEN SURGICAL CUTTING AND FASTENING INSTRUMENT [patent_app_type] => utility [patent_app_number] => 17/473429 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9678 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473429 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473429
MANUALLY DRIVEN SURGICAL CUTTING AND FASTENING INSTRUMENT Sep 12, 2021 Abandoned
Array ( [id] => 19074965 [patent_doc_number] => 11944306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-02 [patent_title] => Surgical stapler including a replaceable staple cartridge [patent_app_type] => utility [patent_app_number] => 17/473052 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 37 [patent_no_of_words] => 18149 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17473052 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/473052
Surgical stapler including a replaceable staple cartridge Sep 12, 2021 Issued
Array ( [id] => 19473133 [patent_doc_number] => 12103201 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Hand-held electrically powered cut-off tool with a kickback mitigation function [patent_app_type] => utility [patent_app_number] => 18/032260 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 10582 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18032260 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/032260
Hand-held electrically powered cut-off tool with a kickback mitigation function Sep 12, 2021 Issued
Array ( [id] => 18946743 [patent_doc_number] => 11890015 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Compressible adjunct with crossing spacer fibers [patent_app_type] => utility [patent_app_number] => 17/470391 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 44 [patent_figures_cnt] => 48 [patent_no_of_words] => 33235 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17470391 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470391
Compressible adjunct with crossing spacer fibers Sep 8, 2021 Issued
Array ( [id] => 17505834 [patent_doc_number] => 20220098937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-31 [patent_title] => Drive and a method for operating a drive of a ground drilling device [patent_app_type] => utility [patent_app_number] => 17/467176 [patent_app_country] => US [patent_app_date] => 2021-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17467176 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/467176
Drive and a method for operating a drive of a ground drilling device Sep 2, 2021 Issued
Array ( [id] => 17397709 [patent_doc_number] => 20220039799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => METHOD FOR CONTROLLING END EFFECTOR CLOSURE FOR POWERED SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 17/464797 [patent_app_country] => US [patent_app_date] => 2021-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19282 [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] => 17464797 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/464797
Method for controlling end effector closure for powered surgical stapler Sep 1, 2021 Issued
Array ( [id] => 17472094 [patent_doc_number] => 20220079598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => METHOD FOR CONTROLLING CUTTING MEMBER ACTUATION FOR POWERED SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 17/410604 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19172 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17410604 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/410604
Method for controlling cutting member actuation for powered surgical stapler Aug 23, 2021 Issued
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