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] => 14172761 [patent_doc_number] => 10260380 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Locking device for a switchable valve drive component [patent_app_type] => utility [patent_app_number] => 15/502290 [patent_app_country] => US [patent_app_date] => 2015-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3040 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [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] => 15502290 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/502290
Locking device for a switchable valve drive component Jun 11, 2015 Issued
Array ( [id] => 14732695 [patent_doc_number] => 10385739 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-08-20 [patent_title] => Camshaft adjuster having a chamber short-circuiting, pressure-controlled control unit [patent_app_type] => utility [patent_app_number] => 15/328607 [patent_app_country] => US [patent_app_date] => 2015-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3475 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15328607 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/328607
Camshaft adjuster having a chamber short-circuiting, pressure-controlled control unit Jun 10, 2015 Issued
Array ( [id] => 11284294 [patent_doc_number] => 09500142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Preignition restraining device' [patent_app_type] => utility [patent_app_number] => 14/735616 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4482 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735616 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735616
Preignition restraining device Jun 9, 2015 Issued
Array ( [id] => 11642776 [patent_doc_number] => 09664135 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-30 [patent_title] => 'Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode' [patent_app_type] => utility [patent_app_number] => 14/735547 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5510 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735547 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735547
Method and apparatus for controlling operation of an internal combustion engine operating in HCCI combustion mode Jun 9, 2015 Issued
Array ( [id] => 11284294 [patent_doc_number] => 09500142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Preignition restraining device' [patent_app_type] => utility [patent_app_number] => 14/735616 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4482 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735616 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735616
Preignition restraining device Jun 9, 2015 Issued
Array ( [id] => 11284294 [patent_doc_number] => 09500142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Preignition restraining device' [patent_app_type] => utility [patent_app_number] => 14/735616 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4482 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735616 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735616
Preignition restraining device Jun 9, 2015 Issued
Array ( [id] => 11284294 [patent_doc_number] => 09500142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Preignition restraining device' [patent_app_type] => utility [patent_app_number] => 14/735616 [patent_app_country] => US [patent_app_date] => 2015-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 4482 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14735616 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/735616
Preignition restraining device Jun 9, 2015 Issued
Array ( [id] => 11219379 [patent_doc_number] => 09447709 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-09-20 [patent_title] => 'Multi-position camshaft phaser with two one-way wedge clutches' [patent_app_type] => utility [patent_app_number] => 14/730468 [patent_app_country] => US [patent_app_date] => 2015-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6423 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14730468 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/730468
Multi-position camshaft phaser with two one-way wedge clutches Jun 3, 2015 Issued
Array ( [id] => 11597368 [patent_doc_number] => 09644523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Discoloration protection' [patent_app_type] => utility [patent_app_number] => 14/730638 [patent_app_country] => US [patent_app_date] => 2015-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1970 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14730638 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/730638
Discoloration protection Jun 3, 2015 Issued
Array ( [id] => 11822492 [patent_doc_number] => 20170211429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'LEVER FOR THE VALVE ACTUATION OF AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/327840 [patent_app_country] => US [patent_app_date] => 2015-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1254 [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] => 15327840 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/327840
LEVER FOR THE VALVE ACTUATION OF AN INTERNAL COMBUSTION ENGINE Jun 1, 2015 Abandoned
Array ( [id] => 11815445 [patent_doc_number] => 09719389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-01 [patent_title] => 'System and method for reducing cold start emissions using an active exhaust throttle valve and an exhaust gas recirculation loop' [patent_app_type] => utility [patent_app_number] => 14/726869 [patent_app_country] => US [patent_app_date] => 2015-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6658 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [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] => 14726869 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/726869
System and method for reducing cold start emissions using an active exhaust throttle valve and an exhaust gas recirculation loop May 31, 2015 Issued
Array ( [id] => 10814541 [patent_doc_number] => 20160160701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'CYLINDER DEACTIVATION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/724513 [patent_app_country] => US [patent_app_date] => 2015-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5063 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14724513 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/724513
CYLINDER DEACTIVATION ENGINE May 27, 2015 Abandoned
Array ( [id] => 11744542 [patent_doc_number] => 20170198613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'VALVETRAIN WITH VARIABLE VALVE ACTUATION' [patent_app_type] => utility [patent_app_number] => 15/313959 [patent_app_country] => US [patent_app_date] => 2015-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3438 [patent_no_of_claims] => 9 [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] => 15313959 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/313959
Valvetrain with variable valve actuation May 26, 2015 Issued
Array ( [id] => 11312447 [patent_doc_number] => 20160348557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'Mixer Assembly For Exhaust Aftertreatment System' [patent_app_type] => utility [patent_app_number] => 14/722762 [patent_app_country] => US [patent_app_date] => 2015-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6166 [patent_no_of_claims] => 48 [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] => 14722762 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/722762
Mixer assembly for exhaust aftertreatment system May 26, 2015 Issued
Array ( [id] => 13052521 [patent_doc_number] => 10047645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-14 [patent_title] => Valve gear for engine [patent_app_type] => utility [patent_app_number] => 15/312872 [patent_app_country] => US [patent_app_date] => 2015-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 17898 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 544 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15312872 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/312872
Valve gear for engine May 26, 2015 Issued
Array ( [id] => 11244089 [patent_doc_number] => 09470126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-18 [patent_title] => 'Assembly and method for reducing ammonia in exhaust of internal combustion engines' [patent_app_type] => utility [patent_app_number] => 14/721694 [patent_app_country] => US [patent_app_date] => 2015-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 7480 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14721694 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/721694
Assembly and method for reducing ammonia in exhaust of internal combustion engines May 25, 2015 Issued
Array ( [id] => 11837078 [patent_doc_number] => 20170218797 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'HYDRAULIC CONTROL VALVE AND VALVE-TIMING CONTROL DEVICE FOR INTERNAL-COMBUSTION ENGINE USING HYDRAULIC CONTROL VALVE' [patent_app_type] => utility [patent_app_number] => 15/500746 [patent_app_country] => US [patent_app_date] => 2015-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7668 [patent_no_of_claims] => 16 [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] => 15500746 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/500746
Hydraulic control valve and valve-timing control device for internal-combustion engine using hydraulic control valve May 25, 2015 Issued
Array ( [id] => 10460329 [patent_doc_number] => 20150345344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'TRAPPED SUPPORT PIN FOR SPIRAL SPRING RETENTION IN A CAMSHAFT PHASER' [patent_app_type] => utility [patent_app_number] => 14/716321 [patent_app_country] => US [patent_app_date] => 2015-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1927 [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] => 14716321 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/716321
Trapped support pin for spiral spring retention in a camshaft phaser May 18, 2015 Issued
Array ( [id] => 11291159 [patent_doc_number] => 20160341091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-24 [patent_title] => 'EMISSIONS REDUCTION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/714757 [patent_app_country] => US [patent_app_date] => 2015-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4879 [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] => 14714757 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/714757
Emissions reduction system May 17, 2015 Issued
Array ( [id] => 11237907 [patent_doc_number] => 09464541 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-11 [patent_title] => 'Control device of internal combustion engine and variable valve device of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/709983 [patent_app_country] => US [patent_app_date] => 2015-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6654 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [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] => 14709983 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/709983
Control device of internal combustion engine and variable valve device of internal combustion engine May 11, 2015 Issued
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