Search

Kevin H. Sprenger

Examiner (ID: 6769, Phone: (571)272-9424 , Office: P/2838 )

Most Active Art Unit
2838
Art Unit(s)
2838
Total Applications
293
Issued Applications
246
Pending Applications
0
Abandoned Applications
48

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11604839 [patent_doc_number] => 20170122141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-04 [patent_title] => 'VARIABLE VALVE MECHANISM' [patent_app_type] => utility [patent_app_number] => 15/297351 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8609 [patent_no_of_claims] => 4 [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] => 15297351 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/297351
Variable valve mechanism Oct 18, 2016 Issued
Array ( [id] => 11569219 [patent_doc_number] => 20170107863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'ROLLER TAPPET FOR A FUEL UNIT PUMP OF AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/295430 [patent_app_country] => US [patent_app_date] => 2016-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7352 [patent_no_of_claims] => 17 [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] => 15295430 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/295430
Roller tappet for a fuel unit pump of an internal combustion engine Oct 16, 2016 Issued
Array ( [id] => 12528426 [patent_doc_number] => 10006323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-26 [patent_title] => Multi-step sliding cam actuators for internal combustion engine assembly [patent_app_type] => utility [patent_app_number] => 15/291101 [patent_app_country] => US [patent_app_date] => 2016-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6050 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15291101 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/291101
Multi-step sliding cam actuators for internal combustion engine assembly Oct 11, 2016 Issued
Array ( [id] => 14020035 [patent_doc_number] => 20190072011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => ACTUATION APPARATUS FOR VARIABLE VALVE DRIVE [patent_app_type] => utility [patent_app_number] => 15/766836 [patent_app_country] => US [patent_app_date] => 2016-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15766836 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/766836
Actuation apparatus for variable valve drive Oct 6, 2016 Issued
Array ( [id] => 13223745 [patent_doc_number] => 10125642 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-11-13 [patent_title] => Length adjustable pushrod device for internal combustion engines [patent_app_type] => utility [patent_app_number] => 15/286671 [patent_app_country] => US [patent_app_date] => 2016-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 1882 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15286671 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/286671
Length adjustable pushrod device for internal combustion engines Oct 5, 2016 Issued
Array ( [id] => 15994917 [patent_doc_number] => 20200173329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => AN INTERNAL COMBUSTION ENGINE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/334406 [patent_app_country] => US [patent_app_date] => 2016-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16334406 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/334406
AN INTERNAL COMBUSTION ENGINE SYSTEM Sep 22, 2016 Abandoned
Array ( [id] => 14795281 [patent_doc_number] => 10400637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Variable valve control device for internal combustion engines [patent_app_type] => utility [patent_app_number] => 15/760103 [patent_app_country] => US [patent_app_date] => 2016-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2713 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [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] => 15760103 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/760103
Variable valve control device for internal combustion engines Sep 18, 2016 Issued
Array ( [id] => 14732693 [patent_doc_number] => 10385738 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-20 [patent_title] => Variable valve control device for internal combustion engines [patent_app_type] => utility [patent_app_number] => 15/760091 [patent_app_country] => US [patent_app_date] => 2016-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3313 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15760091 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/760091
Variable valve control device for internal combustion engines Sep 18, 2016 Issued
Array ( [id] => 15009567 [patent_doc_number] => 10450906 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-22 [patent_title] => Valve opening and closing timing control apparatus [patent_app_type] => utility [patent_app_number] => 15/769186 [patent_app_country] => US [patent_app_date] => 2016-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4977 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 412 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15769186 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/769186
Valve opening and closing timing control apparatus Sep 15, 2016 Issued
Array ( [id] => 12491712 [patent_doc_number] => 09995184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-12 [patent_title] => Arrangement for coupling two components that can move relative to each other in a switchable valve train component for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/258266 [patent_app_country] => US [patent_app_date] => 2016-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2614 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [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] => 15258266 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/258266
Arrangement for coupling two components that can move relative to each other in a switchable valve train component for an internal combustion engine Sep 6, 2016 Issued
Array ( [id] => 11555660 [patent_doc_number] => 20170101906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-13 [patent_title] => 'VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/244224 [patent_app_country] => US [patent_app_date] => 2016-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 10324 [patent_no_of_claims] => 4 [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] => 15244224 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/244224
VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE Aug 22, 2016 Abandoned
Array ( [id] => 12327855 [patent_doc_number] => 09945273 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-17 [patent_title] => Multiple variable valve lift apparatus [patent_app_type] => utility [patent_app_number] => 15/244595 [patent_app_country] => US [patent_app_date] => 2016-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3322 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15244595 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/244595
Multiple variable valve lift apparatus Aug 22, 2016 Issued
Array ( [id] => 12410208 [patent_doc_number] => 09970338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-15 [patent_title] => System and method for improved gas exchange in cylinder deactivation applications [patent_app_type] => utility [patent_app_number] => 15/240565 [patent_app_country] => US [patent_app_date] => 2016-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4667 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15240565 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/240565
System and method for improved gas exchange in cylinder deactivation applications Aug 17, 2016 Issued
Array ( [id] => 13155071 [patent_doc_number] => 10094250 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-09 [patent_title] => Valve bridge with internal oil transportation [patent_app_type] => utility [patent_app_number] => 15/240552 [patent_app_country] => US [patent_app_date] => 2016-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 6873 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15240552 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/240552
Valve bridge with internal oil transportation Aug 17, 2016 Issued
Array ( [id] => 12410184 [patent_doc_number] => 09970330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-15 [patent_title] => Installing structure for electric variable valve timing apparatus [patent_app_type] => utility [patent_app_number] => 15/238907 [patent_app_country] => US [patent_app_date] => 2016-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 9402 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15238907 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/238907
Installing structure for electric variable valve timing apparatus Aug 16, 2016 Issued
Array ( [id] => 12327852 [patent_doc_number] => 09945272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-17 [patent_title] => Variable valve actuation apparatus for internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/219902 [patent_app_country] => US [patent_app_date] => 2016-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4380 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15219902 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/219902
Variable valve actuation apparatus for internal combustion engine Jul 25, 2016 Issued
Array ( [id] => 12327846 [patent_doc_number] => 09945270 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-04-17 [patent_title] => Rocker shaft with de-aeration oil gallery segment [patent_app_type] => utility [patent_app_number] => 15/217325 [patent_app_country] => US [patent_app_date] => 2016-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3990 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15217325 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/217325
Rocker shaft with de-aeration oil gallery segment Jul 21, 2016 Issued
Array ( [id] => 13330053 [patent_doc_number] => 20180216564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => VALVE TIMING CONTROL DEVICE [patent_app_type] => utility [patent_app_number] => 15/745494 [patent_app_country] => US [patent_app_date] => 2016-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15745494 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/745494
VALVE TIMING CONTROL DEVICE Jul 21, 2016 Abandoned
Array ( [id] => 12200175 [patent_doc_number] => 09903233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-02-27 [patent_title] => 'Coupling pin anti-rotation for a switchable roller finger follower' [patent_app_type] => utility [patent_app_number] => 15/215647 [patent_app_country] => US [patent_app_date] => 2016-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4571 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15215647 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/215647
Coupling pin anti-rotation for a switchable roller finger follower Jul 20, 2016 Issued
Array ( [id] => 12126902 [patent_doc_number] => 20180010489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-11 [patent_title] => 'Rocker arm bushing inserts' [patent_app_type] => utility [patent_app_number] => 15/203600 [patent_app_country] => US [patent_app_date] => 2016-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 619 [patent_no_of_claims] => 2 [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] => 15203600 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/203600
Rocker arm bushing inserts Jul 5, 2016 Abandoned
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