Search

Nathaniel C Chukwurah

Examiner (ID: 17992, Phone: (571)272-4457 , Office: P/3721 )

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] => 7772622 [patent_doc_number] => 20120037683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-16 [patent_title] => 'POWDER-ACTUATED FASTENER-DRIVING DEVICE HAVING SOUND-ABSORBING FUNCTION' [patent_app_type] => utility [patent_app_number] => 13/279474 [patent_app_country] => US [patent_app_date] => 2011-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 5170 [patent_no_of_claims] => 14 [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] => publications/A1/0037/20120037683.pdf [firstpage_image] =>[orig_patent_app_number] => 13279474 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/279474
Powder-actuated fastener-driving device having sound-absorbing function Oct 23, 2011 Issued
Array ( [id] => 10608535 [patent_doc_number] => 09328559 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-03 [patent_title] => 'Direct drill bit drive for tools on the basis of a heat engine' [patent_app_type] => utility [patent_app_number] => 13/882509 [patent_app_country] => US [patent_app_date] => 2011-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 12968 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13882509 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/882509
Direct drill bit drive for tools on the basis of a heat engine Oct 20, 2011 Issued
Array ( [id] => 9619583 [patent_doc_number] => 08789741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-29 [patent_title] => 'Surgical instrument with trigger assembly for generating multiple actuation motions' [patent_app_type] => utility [patent_app_number] => 13/241637 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 37 [patent_figures_cnt] => 48 [patent_no_of_words] => 15159 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13241637 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/241637
Surgical instrument with trigger assembly for generating multiple actuation motions Sep 22, 2011 Issued
Array ( [id] => 10868762 [patent_doc_number] => 08893949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-25 [patent_title] => 'Surgical stapler with floating anvil' [patent_app_type] => utility [patent_app_number] => 13/242029 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 156 [patent_figures_cnt] => 283 [patent_no_of_words] => 90767 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13242029 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/242029
Surgical stapler with floating anvil Sep 22, 2011 Issued
Array ( [id] => 8048943 [patent_doc_number] => 20120074200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-29 [patent_title] => 'SURGICAL INSTRUMENT WITH SELECTIVELY ARTICULATABLE END EFFECTOR' [patent_app_type] => utility [patent_app_number] => 13/241629 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 38 [patent_no_of_words] => 15197 [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] => publications/A1/0074/20120074200.pdf [firstpage_image] =>[orig_patent_app_number] => 13241629 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/241629
SURGICAL INSTRUMENT WITH SELECTIVELY ARTICULATABLE END EFFECTOR Sep 22, 2011 Abandoned
Array ( [id] => 8089789 [patent_doc_number] => 20120080498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-05 [patent_title] => 'CURVED END EFFECTOR FOR A STAPLING INSTRUMENT' [patent_app_type] => utility [patent_app_number] => 13/242066 [patent_app_country] => US [patent_app_date] => 2011-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 240 [patent_figures_cnt] => 240 [patent_no_of_words] => 121518 [patent_no_of_claims] => 14 [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] => publications/A1/0080/20120080498.pdf [firstpage_image] =>[orig_patent_app_number] => 13242066 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/242066
CURVED END EFFECTOR FOR A STAPLING INSTRUMENT Sep 22, 2011 Abandoned
Array ( [id] => 8729554 [patent_doc_number] => 20130075123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-28 [patent_title] => 'FORWARD/REVERSE ROTATION CONTROL DEVICE OF PNEUMATIC TOOL' [patent_app_type] => utility [patent_app_number] => 13/239591 [patent_app_country] => US [patent_app_date] => 2011-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3432 [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] => 13239591 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/239591
FORWARD/REVERSE ROTATION CONTROL DEVICE OF PNEUMATIC TOOL Sep 21, 2011 Abandoned
Array ( [id] => 9231210 [patent_doc_number] => 08596510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-03 [patent_title] => 'Pneumatic nailing machine with a winding air channel for exhaust' [patent_app_type] => utility [patent_app_number] => 13/236379 [patent_app_country] => US [patent_app_date] => 2011-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2305 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 451 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13236379 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/236379
Pneumatic nailing machine with a winding air channel for exhaust Sep 18, 2011 Issued
Array ( [id] => 8770798 [patent_doc_number] => 08424739 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-23 [patent_title] => 'Surgical stapling device with independent tip rotation' [patent_app_type] => utility [patent_app_number] => 13/233299 [patent_app_country] => US [patent_app_date] => 2011-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 77 [patent_no_of_words] => 10798 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13233299 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/233299
Surgical stapling device with independent tip rotation Sep 14, 2011 Issued
Array ( [id] => 8717598 [patent_doc_number] => 20130068815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-21 [patent_title] => 'SURGICAL INSTRUMENT WITH FILLED STAPLE' [patent_app_type] => utility [patent_app_number] => 13/233646 [patent_app_country] => US [patent_app_date] => 2011-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5314 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [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] => 13233646 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/233646
Surgical instrument with filled staple Sep 14, 2011 Issued
Array ( [id] => 9550249 [patent_doc_number] => 08757288 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-24 [patent_title] => 'Handheld work apparatus having an electric drive motor' [patent_app_type] => utility [patent_app_number] => 13/229869 [patent_app_country] => US [patent_app_date] => 2011-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3444 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13229869 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/229869
Handheld work apparatus having an electric drive motor Sep 11, 2011 Issued
Array ( [id] => 8456494 [patent_doc_number] => 08292157 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-23 [patent_title] => 'Electrical surgical instrument with optimized power supply and drive' [patent_app_type] => utility [patent_app_number] => 13/229076 [patent_app_country] => US [patent_app_date] => 2011-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 35 [patent_no_of_words] => 21072 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13229076 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/229076
Electrical surgical instrument with optimized power supply and drive Sep 8, 2011 Issued
Array ( [id] => 8694512 [patent_doc_number] => 20130056521 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'STAPLING INSTRUMENT COMPRISING RESETTABLE STAPLE DRIVERS' [patent_app_type] => utility [patent_app_number] => 13/225857 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13394 [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] => 13225857 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225857
Stapling instrument comprising resettable staple drivers Sep 5, 2011 Issued
Array ( [id] => 8694511 [patent_doc_number] => 20130056520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'CONTINUOUS STAPLING INSTRUMENT' [patent_app_type] => utility [patent_app_number] => 13/225842 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13397 [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] => 13225842 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225842
Continuous stapling instrument Sep 5, 2011 Issued
Array ( [id] => 9709077 [patent_doc_number] => 08833632 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-16 [patent_title] => 'Firing member displacement system for a stapling instrument' [patent_app_type] => utility [patent_app_number] => 13/225866 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 35 [patent_no_of_words] => 13434 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13225866 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225866
Firing member displacement system for a stapling instrument Sep 5, 2011 Issued
Array ( [id] => 8694509 [patent_doc_number] => 20130056518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-07 [patent_title] => 'STAPLING INSTRUMENT COMPRISING A PLURALITY OF STAPLE CARTRIDGES STORED THEREIN' [patent_app_type] => utility [patent_app_number] => 13/225850 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 13391 [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] => 13225850 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225850
Stapling instrument comprising a plurality of staple cartridges stored therein Sep 5, 2011 Issued
Array ( [id] => 8444805 [patent_doc_number] => 08286848 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-16 [patent_title] => 'Surgical stapling device' [patent_app_type] => utility [patent_app_number] => 13/225937 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 64 [patent_figures_cnt] => 111 [patent_no_of_words] => 14156 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [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] => 13225937 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/225937
Surgical stapling device Sep 5, 2011 Issued
Array ( [id] => 8679268 [patent_doc_number] => 20130047552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'FOAM-IN-BAG APPARATUS WITH POWER-FAILURE PROTECTION' [patent_app_type] => utility [patent_app_number] => 13/223096 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 6037 [patent_no_of_claims] => 22 [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] => 13223096 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223096
Foam-in-bag apparatus with power-failure protection Aug 30, 2011 Issued
Array ( [id] => 8680042 [patent_doc_number] => 20130048326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'IMPACT HAMMER' [patent_app_type] => utility [patent_app_number] => 13/223009 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4381 [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] => 13223009 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/223009
Impact hammer Aug 30, 2011 Issued
Array ( [id] => 8680043 [patent_doc_number] => 20130048328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-02-28 [patent_title] => 'BIDIRECTIONAL CROSS AIRFLOW MACHINE TOOL' [patent_app_type] => utility [patent_app_number] => 13/222960 [patent_app_country] => US [patent_app_date] => 2011-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1889 [patent_no_of_claims] => 7 [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] => 13222960 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/222960
Bidirectional cross airflow machine tool Aug 30, 2011 Issued
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