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] => 18108676 [patent_doc_number] => 20230001556 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => PIPE CLAMP, PIPE CLAMP DRIVER AND ANTI-BACKDRIVE MECHANISM [patent_app_type] => utility [patent_app_number] => 17/942494 [patent_app_country] => US [patent_app_date] => 2022-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17942494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/942494
Pipe clamp, pipe clamp driver and anti-backdrive mechanism Sep 11, 2022 Issued
Array ( [id] => 18108674 [patent_doc_number] => 20230001554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => PIPE CLAMP, PIPE CLAMP DRIVER AND ANTI-BACKDRIVE MECHANISM [patent_app_type] => utility [patent_app_number] => 17/942460 [patent_app_country] => US [patent_app_date] => 2022-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 17942460 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/942460
PIPE CLAMP, PIPE CLAMP DRIVER AND ANTI-BACKDRIVE MECHANISM Sep 11, 2022 Abandoned
Array ( [id] => 19700607 [patent_doc_number] => 12194610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Maximum power tool startup torque [patent_app_type] => utility [patent_app_number] => 18/691339 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5395 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18691339 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/691339
Maximum power tool startup torque Sep 8, 2022 Issued
Array ( [id] => 19975558 [patent_doc_number] => 12343012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-01 [patent_title] => Surgical stapler and a control method therefor [patent_app_type] => utility [patent_app_number] => 18/690475 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1177 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690475 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690475
Surgical stapler and a control method therefor Sep 7, 2022 Issued
Array ( [id] => 19274886 [patent_doc_number] => 12025003 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Support for drilling and bolting tool [patent_app_type] => utility [patent_app_number] => 17/903532 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 43 [patent_no_of_words] => 6060 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17903532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/903532
Support for drilling and bolting tool Sep 5, 2022 Issued
Array ( [id] => 19608358 [patent_doc_number] => 12157220 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Power tool stand [patent_app_type] => utility [patent_app_number] => 17/929192 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 10201 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 10 [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] => 17929192 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929192
Power tool stand Aug 31, 2022 Issued
Array ( [id] => 18886098 [patent_doc_number] => 11864854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Robotic surgery system with tool edge sensors for edge computing [patent_app_type] => utility [patent_app_number] => 17/901675 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 27881 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901675 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901675
Robotic surgery system with tool edge sensors for edge computing Aug 31, 2022 Issued
Array ( [id] => 19584637 [patent_doc_number] => 20240382194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => CARTRIDGE ASSEMBLY AND SURGICAL STAPLER [patent_app_type] => utility [patent_app_number] => 18/687579 [patent_app_country] => US [patent_app_date] => 2022-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18687579 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/687579
Cartridge assembly and surgical stapler Aug 30, 2022 Issued
Array ( [id] => 19058630 [patent_doc_number] => 11937819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Staple instrument [patent_app_type] => utility [patent_app_number] => 17/899067 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 24 [patent_no_of_words] => 3772 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17899067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/899067
Staple instrument Aug 29, 2022 Issued
Array ( [id] => 18853110 [patent_doc_number] => 11850668 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Cutter-spline drive for portable electrical drilling assembly [patent_app_type] => utility [patent_app_number] => 17/894375 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 42 [patent_no_of_words] => 16337 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17894375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894375
Cutter-spline drive for portable electrical drilling assembly Aug 23, 2022 Issued
Array ( [id] => 18090989 [patent_doc_number] => 20220409330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => SURGICAL DEVICES WITH MOISTURE CONTROL [patent_app_type] => utility [patent_app_number] => 17/894208 [patent_app_country] => US [patent_app_date] => 2022-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20751 [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] => 17894208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/894208
Surgical devices with moisture control Aug 23, 2022 Issued
Array ( [id] => 18886005 [patent_doc_number] => 11864761 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-09 [patent_title] => Surgical instrument with illumination mechanism [patent_app_type] => utility [patent_app_number] => 17/886598 [patent_app_country] => US [patent_app_date] => 2022-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3406 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17886598 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/886598
Surgical instrument with illumination mechanism Aug 11, 2022 Issued
Array ( [id] => 19599211 [patent_doc_number] => 20240390091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => DEFLECTION DETECTOR, METHOD OF CONTROLLING DEFLECTION DETECTOR, ELECTRIC STAPLER, AND MEDICAL DEVICE [patent_app_type] => utility [patent_app_number] => 18/695161 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9036 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18695161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/695161
Deflection detector, method of controlling deflection detector, electric stapler, and medical device Jul 28, 2022 Issued
Array ( [id] => 18921960 [patent_doc_number] => 20240024964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => CONTROLLER FOR A TOOL DRIVE AND METHODS FOR USING A TOOL DRIVE [patent_app_type] => utility [patent_app_number] => 17/814564 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17814564 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814564
Controller for a tool drive and methods for using a tool drive Jul 24, 2022 Issued
Array ( [id] => 19908988 [patent_doc_number] => 12285169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Electric endoscopic stapler [patent_app_type] => utility [patent_app_number] => 18/577924 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18577924 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/577924
Electric endoscopic stapler Jul 7, 2022 Issued
Array ( [id] => 19898563 [patent_doc_number] => 12276477 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Weapon-mountable breaching tool [patent_app_type] => utility [patent_app_number] => 17/860992 [patent_app_country] => US [patent_app_date] => 2022-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17860992 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/860992
Weapon-mountable breaching tool Jul 7, 2022 Issued
Array ( [id] => 17943927 [patent_doc_number] => 20220330944 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => INSERTION INSTRUMENT, ADAPTER ASSEMBLIES AND PROTECTOR ASSEMBLIES FOR A FLEXIBLE CIRCULAR STAPLER [patent_app_type] => utility [patent_app_number] => 17/857327 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5734 [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] => 17857327 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857327
INSERTION INSTRUMENT, ADAPTER ASSEMBLIES AND PROTECTOR ASSEMBLIES FOR A FLEXIBLE CIRCULAR STAPLER Jul 4, 2022 Abandoned
Array ( [id] => 17958296 [patent_doc_number] => 20220338876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => END EFFECTOR FORCE MEASUREMENT WITH DIGITAL DRIVE CIRCUIT [patent_app_type] => utility [patent_app_number] => 17/857274 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6004 [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] => 17857274 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857274
End effector force measurement with digital drive circuit Jul 4, 2022 Issued
Array ( [id] => 18110245 [patent_doc_number] => 20230003125 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => SCREEN HANDLING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/853599 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2322 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853599 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853599
Screen handling system Jun 28, 2022 Issued
Array ( [id] => 19939262 [patent_doc_number] => 12311377 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Hydraulic breaker without back head [patent_app_type] => utility [patent_app_number] => 18/573427 [patent_app_country] => US [patent_app_date] => 2022-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18573427 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/573427
Hydraulic breaker without back head Jun 26, 2022 Issued
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