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] => 12444603 [patent_doc_number] => 09980713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-29 [patent_title] => Anvil assemblies with collapsible frames for circular staplers [patent_app_type] => utility [patent_app_number] => 14/592132 [patent_app_country] => US [patent_app_date] => 2015-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 83 [patent_no_of_words] => 18505 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14592132 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/592132
Anvil assemblies with collapsible frames for circular staplers Jan 7, 2015 Issued
Array ( [id] => 12961012 [patent_doc_number] => 09873148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Frame for self-piercing rivet system [patent_app_type] => utility [patent_app_number] => 14/585332 [patent_app_country] => US [patent_app_date] => 2014-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3441 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14585332 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/585332
Frame for self-piercing rivet system Dec 29, 2014 Issued
Array ( [id] => 10289754 [patent_doc_number] => 20150174753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'AUXILIARY HANDLE AND POWER TOOL HAVING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/581316 [patent_app_country] => US [patent_app_date] => 2014-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10041 [patent_no_of_claims] => 13 [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] => 14581316 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/581316
Auxiliary handle and power tool having the same Dec 22, 2014 Issued
Array ( [id] => 12465282 [patent_doc_number] => 09987000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Surgical instrument assembly comprising a flexible articulation system [patent_app_type] => utility [patent_app_number] => 14/574493 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 12602 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14574493 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/574493
Surgical instrument assembly comprising a flexible articulation system Dec 17, 2014 Issued
Array ( [id] => 14116375 [patent_doc_number] => 10245027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Surgical instrument with an anvil that is selectively movable about a discrete non-movable axis relative to a staple cartridge [patent_app_type] => utility [patent_app_number] => 14/575130 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 72 [patent_figures_cnt] => 80 [patent_no_of_words] => 21187 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14575130 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575130
Surgical instrument with an anvil that is selectively movable about a discrete non-movable axis relative to a staple cartridge Dec 17, 2014 Issued
Array ( [id] => 10978040 [patent_doc_number] => 20160174983 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'SURGICAL INSTRUMENTS WITH IMPROVED CLOSURE ARRANGEMENTS' [patent_app_type] => utility [patent_app_number] => 14/575143 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 73 [patent_figures_cnt] => 73 [patent_no_of_words] => 21941 [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] => 14575143 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575143
Surgical instruments with improved closure arrangements Dec 17, 2014 Issued
Array ( [id] => 10978031 [patent_doc_number] => 20160174975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'SURGICAL INSTRUMENTS WITH ARTICULATABLE END EFFECTORS AND MOVABLE FIRING BEAM SUPPORT ARRANGEMENTS' [patent_app_type] => utility [patent_app_number] => 14/575117 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 73 [patent_figures_cnt] => 73 [patent_no_of_words] => 22541 [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] => 14575117 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575117
Surgical instruments with articulatable end effectors and movable firing beam support arrangements Dec 17, 2014 Issued
Array ( [id] => 10978035 [patent_doc_number] => 20160174978 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'DRIVE ARRANGEMENTS FOR ARTICULATABLE SURGICAL INSTRUMENTS' [patent_app_type] => utility [patent_app_number] => 14/575139 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 21198 [patent_no_of_claims] => 20 [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] => 14575139 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575139
Drive arrangements for articulatable surgical instruments Dec 17, 2014 Issued
Array ( [id] => 10978030 [patent_doc_number] => 20160174973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'SURGICAL INSTRUMENTS WITH ARTICULATABLE END EFFECTORS AND IMPROVED FIRING BEAM SUPPORT ARRANGEMENTS' [patent_app_type] => utility [patent_app_number] => 14/575154 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 73 [patent_figures_cnt] => 73 [patent_no_of_words] => 22160 [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] => 14575154 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/575154
Surgical instruments with articulatable end effectors and improved firing beam support arrangements Dec 17, 2014 Issued
Array ( [id] => 10978034 [patent_doc_number] => 20160174977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'SURGICAL INSTRUMENT SYSTEMS COMPRISING AN ARTICULATABLE END EFFECTOR AND MEANS FOR ADJUSTING THE FIRING STROKE OF A FIRING MEMBER' [patent_app_type] => utility [patent_app_number] => 14/574478 [patent_app_country] => US [patent_app_date] => 2014-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 33914 [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] => 14574478 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/574478
Surgical instrument systems comprising an articulatable end effector and means for adjusting the firing stroke of a firing member Dec 17, 2014 Issued
Array ( [id] => 15420169 [patent_doc_number] => 10542985 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-28 [patent_title] => Surgical stapling device with firing indicator [patent_app_type] => utility [patent_app_number] => 15/531844 [patent_app_country] => US [patent_app_date] => 2014-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 4391 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15531844 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/531844
Surgical stapling device with firing indicator Dec 16, 2014 Issued
Array ( [id] => 10979088 [patent_doc_number] => 20160176033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'HYDRAULIC HAMMER HAVING VARIABLE STROKE CONTROL' [patent_app_type] => utility [patent_app_number] => 14/574326 [patent_app_country] => US [patent_app_date] => 2014-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4167 [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] => 14574326 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/574326
Hydraulic hammer having variable stroke control Dec 16, 2014 Issued
Array ( [id] => 12961132 [patent_doc_number] => 09873193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-23 [patent_title] => Method for operating a handheld work apparatus having a combustion engine [patent_app_type] => utility [patent_app_number] => 14/569866 [patent_app_country] => US [patent_app_date] => 2014-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 5548 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14569866 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/569866
Method for operating a handheld work apparatus having a combustion engine Dec 14, 2014 Issued
Array ( [id] => 12097962 [patent_doc_number] => 09855045 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-02 [patent_title] => 'Anvil assembly delivery system' [patent_app_type] => utility [patent_app_number] => 14/564571 [patent_app_country] => US [patent_app_date] => 2014-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 35 [patent_no_of_words] => 7444 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14564571 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/564571
Anvil assembly delivery system Dec 8, 2014 Issued
Array ( [id] => 11916112 [patent_doc_number] => 09784289 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-10 [patent_title] => 'Fluid-driven medical or dental handle' [patent_app_type] => utility [patent_app_number] => 14/564536 [patent_app_country] => US [patent_app_date] => 2014-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 7687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 14564536 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/564536
Fluid-driven medical or dental handle Dec 8, 2014 Issued
Array ( [id] => 10273158 [patent_doc_number] => 20150158155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-11 [patent_title] => 'ROTARY IMPACT TOOL' [patent_app_type] => utility [patent_app_number] => 14/562147 [patent_app_country] => US [patent_app_date] => 2014-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4768 [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] => 14562147 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/562147
ROTARY IMPACT TOOL Dec 4, 2014 Abandoned
Array ( [id] => 12085711 [patent_doc_number] => 09839424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-12 [patent_title] => 'Electromechanical surgical assembly' [patent_app_type] => utility [patent_app_number] => 14/559046 [patent_app_country] => US [patent_app_date] => 2014-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4277 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14559046 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/559046
Electromechanical surgical assembly Dec 2, 2014 Issued
Array ( [id] => 13090601 [patent_doc_number] => 10064624 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-04 [patent_title] => End effector with implantable layer [patent_app_type] => utility [patent_app_number] => 14/549219 [patent_app_country] => US [patent_app_date] => 2014-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 156 [patent_figures_cnt] => 291 [patent_no_of_words] => 89602 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14549219 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/549219
End effector with implantable layer Nov 19, 2014 Issued
Array ( [id] => 12923833 [patent_doc_number] => 09826978 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => End effectors with same side closure and firing motions [patent_app_type] => utility [patent_app_number] => 14/549098 [patent_app_country] => US [patent_app_date] => 2014-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 156 [patent_figures_cnt] => 291 [patent_no_of_words] => 89599 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 400 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14549098 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/549098
End effectors with same side closure and firing motions Nov 19, 2014 Issued
Array ( [id] => 12245963 [patent_doc_number] => 09918716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-03-20 [patent_title] => 'Staple cartridge comprising implantable layers' [patent_app_type] => utility [patent_app_number] => 14/540807 [patent_app_country] => US [patent_app_date] => 2014-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 327 [patent_figures_cnt] => 574 [patent_no_of_words] => 154136 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 14 [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] => 14540807 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/540807
Staple cartridge comprising implantable layers Nov 12, 2014 Issued
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