Search

Nathaniel C. Chukwurah

Examiner (ID: 17992)

Most Active Art Unit
3731
Art Unit(s)
3721, 3731
Total Applications
2314
Issued Applications
1888
Pending Applications
124
Abandoned Applications
341

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11704080 [patent_doc_number] => 20170172577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-22 [patent_title] => 'SURGICAL STAPLING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/452017 [patent_app_country] => US [patent_app_date] => 2017-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 65 [patent_no_of_words] => 14259 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15452017 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/452017
Surgical stapling device Mar 6, 2017 Issued
Array ( [id] => 13872185 [patent_doc_number] => 20190032433 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => Method for Collecting Geological Samples and Attitude-Controllable Work Apparatus [patent_app_type] => utility [patent_app_number] => 16/075182 [patent_app_country] => US [patent_app_date] => 2017-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5499 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16075182 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/075182
Method for Collecting Geological Samples and Attitude-Controllable Work Apparatus Feb 22, 2017 Abandoned
Array ( [id] => 13368147 [patent_doc_number] => 20180235614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => ADJUNCT RELEASE FOR SURGICAL STAPLERS [patent_app_type] => utility [patent_app_number] => 15/436070 [patent_app_country] => US [patent_app_date] => 2017-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15436070 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/436070
Adjunct release for surgical staplers Feb 16, 2017 Issued
Array ( [id] => 13900045 [patent_doc_number] => 20190039227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => ELECTRICALLY POWERED TOOL [patent_app_type] => utility [patent_app_number] => 16/074435 [patent_app_country] => US [patent_app_date] => 2017-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16074435 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/074435
Electrically powered tool Feb 16, 2017 Issued
Array ( [id] => 15067817 [patent_doc_number] => 10463373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-05 [patent_title] => Powered stapling apparatus [patent_app_type] => utility [patent_app_number] => 15/419068 [patent_app_country] => US [patent_app_date] => 2017-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3815 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15419068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/419068
Powered stapling apparatus Jan 29, 2017 Issued
Array ( [id] => 11602095 [patent_doc_number] => 20170119395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-04 [patent_title] => 'TISSUE ACQUISITION ARRANGEMENTS AND METHODS FOR SURGICAL STAPLING DEVICES' [patent_app_type] => utility [patent_app_number] => 15/408931 [patent_app_country] => US [patent_app_date] => 2017-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 62 [patent_figures_cnt] => 62 [patent_no_of_words] => 14876 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15408931 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/408931
Circular surgical fastening devices with tissue acquisition arrangements Jan 17, 2017 Issued
Array ( [id] => 11567875 [patent_doc_number] => 20170106519 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'Cushion Device for Cylinder of Pneumatic Tool' [patent_app_type] => utility [patent_app_number] => 15/390838 [patent_app_country] => US [patent_app_date] => 2016-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3007 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15390838 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/390838
Cushion device for cylinder of pneumatic tool Dec 26, 2016 Issued
Array ( [id] => 12830389 [patent_doc_number] => 20180168635 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => SURGICAL TOOL ASSEMBLIES WITH CLOSURE STROKE REDUCTION FEATURES [patent_app_type] => utility [patent_app_number] => 15/385950 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 35585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385950 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385950
Surgical tool assemblies with closure stroke reduction features Dec 20, 2016 Issued
Array ( [id] => 12830419 [patent_doc_number] => 20180168645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => SURGICAL END EFFECTORS AND FIRING MEMBERS THEREOF [patent_app_type] => utility [patent_app_number] => 15/386209 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 47783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15386209 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/386209
Surgical end effectors and firing members thereof Dec 20, 2016 Issued
Array ( [id] => 15420163 [patent_doc_number] => 10542982 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Shaft assembly comprising first and second articulation lockouts [patent_app_type] => utility [patent_app_number] => 15/385895 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 52 [patent_figures_cnt] => 73 [patent_no_of_words] => 32752 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385895 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385895
Shaft assembly comprising first and second articulation lockouts Dec 20, 2016 Issued
Array ( [id] => 12830302 [patent_doc_number] => 20180168606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => FIRING ASSEMBLY COMPRISING A LOCKOUT [patent_app_type] => utility [patent_app_number] => 15/385905 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385905 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385905
Firing assembly comprising a lockout Dec 20, 2016 Issued
Array ( [id] => 15305831 [patent_doc_number] => 10517595 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-31 [patent_title] => Jaw actuated lock arrangements for preventing advancement of a firing member in a surgical end effector unless an unfired cartridge is installed in the end effector [patent_app_type] => utility [patent_app_number] => 15/385925 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 67 [patent_figures_cnt] => 123 [patent_no_of_words] => 50867 [patent_no_of_claims] => 20 [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] => 15385925 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385925
Jaw actuated lock arrangements for preventing advancement of a firing member in a surgical end effector unless an unfired cartridge is installed in the end effector Dec 20, 2016 Issued
Array ( [id] => 12830317 [patent_doc_number] => 20180168611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => ANVIL HAVING A KNIFE SLOT WIDTH [patent_app_type] => utility [patent_app_number] => 15/385910 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 39632 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385910 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385910
Anvil having a knife slot width Dec 20, 2016 Issued
Array ( [id] => 12830386 [patent_doc_number] => 20180168634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => STAPLE CARTRIDGES AND ARRANGEMENTS OF STAPLES AND STAPLE CAVITIES THEREIN [patent_app_type] => utility [patent_app_number] => 15/385947 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 60370 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385947 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385947
Staple cartridges and arrangements of staples and staple cavities therein Dec 20, 2016 Issued
Array ( [id] => 15750669 [patent_doc_number] => 10617414 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-14 [patent_title] => Closure member arrangements for surgical instruments [patent_app_type] => utility [patent_app_number] => 15/385903 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 34756 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [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] => 15385903 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385903
Closure member arrangements for surgical instruments Dec 20, 2016 Issued
Array ( [id] => 12830233 [patent_doc_number] => 20180168583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-21 [patent_title] => ARTICULATABLE SURGICAL INSTRUMENTS WITH ARTICULATION STROKE AMPLIFICATION FEATURES [patent_app_type] => utility [patent_app_number] => 15/385936 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385936 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385936
Articulatable surgical instruments with articulation stroke amplification features Dec 20, 2016 Issued
Array ( [id] => 15975019 [patent_doc_number] => 10667810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-06-02 [patent_title] => Closure members with cam surface arrangements for surgical instruments with separate and distinct closure and firing systems [patent_app_type] => utility [patent_app_number] => 15/385929 [patent_app_country] => US [patent_app_date] => 2016-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 57 [patent_no_of_words] => 34744 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15385929 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/385929
Closure members with cam surface arrangements for surgical instruments with separate and distinct closure and firing systems Dec 20, 2016 Issued
Array ( [id] => 16649233 [patent_doc_number] => 10926390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Fuel-operated firing device and method for operating a firing device of this type [patent_app_type] => utility [patent_app_number] => 16/063772 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 5195 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063772 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063772
Fuel-operated firing device and method for operating a firing device of this type Dec 19, 2016 Issued
Array ( [id] => 16296813 [patent_doc_number] => 20200282536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => FUEL-POWERED SETTING DEVICE AND METHOD FOR OPERATING SUCH A SETTING DEVICE [patent_app_type] => utility [patent_app_number] => 16/063829 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063829 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063829
FUEL-POWERED SETTING DEVICE AND METHOD FOR OPERATING SUCH A SETTING DEVICE Dec 19, 2016 Abandoned
Array ( [id] => 16649231 [patent_doc_number] => 10926388 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-02-23 [patent_title] => Fuel-powered setting device and method for operating such a setting device [patent_app_type] => utility [patent_app_number] => 16/063806 [patent_app_country] => US [patent_app_date] => 2016-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5137 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16063806 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/063806
Fuel-powered setting device and method for operating such a setting device Dec 19, 2016 Issued
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