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] => 14612525 [patent_doc_number] => 10358951 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-23 [patent_title] => Sliding contact for electrically actuated rocker arm [patent_app_type] => utility [patent_app_number] => 15/863901 [patent_app_country] => US [patent_app_date] => 2018-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 40 [patent_no_of_words] => 13103 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15863901 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/863901
Sliding contact for electrically actuated rocker arm Jan 5, 2018 Issued
Array ( [id] => 14552377 [patent_doc_number] => 10344637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Method of preventing bearing seizure and vehicle using the same [patent_app_type] => utility [patent_app_number] => 15/855471 [patent_app_country] => US [patent_app_date] => 2017-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9841 [patent_no_of_claims] => 19 [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] => 15855471 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/855471
Method of preventing bearing seizure and vehicle using the same Dec 26, 2017 Issued
Array ( [id] => 17178896 [patent_doc_number] => 11156132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Valve actuation system for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/956380 [patent_app_country] => US [patent_app_date] => 2017-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 22 [patent_no_of_words] => 6063 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16956380 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/956380
Valve actuation system for an internal combustion engine Dec 20, 2017 Issued
Array ( [id] => 14486391 [patent_doc_number] => 10329966 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-06-25 [patent_title] => Variable cam timing system and method for operation of said system [patent_app_type] => utility [patent_app_number] => 15/849287 [patent_app_country] => US [patent_app_date] => 2017-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 10227 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15849287 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/849287
Variable cam timing system and method for operation of said system Dec 19, 2017 Issued
Array ( [id] => 15682567 [patent_doc_number] => 20200095947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-26 [patent_title] => VALVE TIMING CHANGING DEVICE [patent_app_type] => utility [patent_app_number] => 16/472903 [patent_app_country] => US [patent_app_date] => 2017-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16472903 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/472903
VALVE TIMING CHANGING DEVICE Dec 17, 2017 Abandoned
Array ( [id] => 16344346 [patent_doc_number] => 20200308996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-01 [patent_title] => DEVICE FOR ADJUSTING CAMSHAFT PHASE [patent_app_type] => utility [patent_app_number] => 16/954239 [patent_app_country] => US [patent_app_date] => 2017-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16954239 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/954239
Device for adjusting camshaft phase Dec 17, 2017 Issued
Array ( [id] => 12815116 [patent_doc_number] => 20180163542 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => HYDRAULIC DEVICE COMPRISING A SEALING ELEMENT [patent_app_type] => utility [patent_app_number] => 15/837473 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18658 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15837473 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837473
Hydraulic device comprising a sealing element Dec 10, 2017 Issued
Array ( [id] => 14343871 [patent_doc_number] => 20190153908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => SYSTEM FOR CONTROLLING VARIABLE VALVE APPARATUS AND OIL CONTROL VALVE FOR THE SAME [patent_app_type] => utility [patent_app_number] => 15/837738 [patent_app_country] => US [patent_app_date] => 2017-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4616 [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] => 15837738 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/837738
System for controlling variable valve apparatus and oil control valve for the same Dec 10, 2017 Issued
Array ( [id] => 14853445 [patent_doc_number] => 10415438 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Oil drain preventing device for continuously variable valve timing apparatus [patent_app_type] => utility [patent_app_number] => 15/834684 [patent_app_country] => US [patent_app_date] => 2017-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5037 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15834684 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/834684
Oil drain preventing device for continuously variable valve timing apparatus Dec 6, 2017 Issued
Array ( [id] => 14327639 [patent_doc_number] => 10294827 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-21 [patent_title] => Variable valve mechanism for engine [patent_app_type] => utility [patent_app_number] => 15/830088 [patent_app_country] => US [patent_app_date] => 2017-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6578 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15830088 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/830088
Variable valve mechanism for engine Dec 3, 2017 Issued
Array ( [id] => 15591115 [patent_doc_number] => 20200072092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => Rotor Part of a Rotor for a Camshaft Adjuster and Pressing Tool for the Production Thereof [patent_app_type] => utility [patent_app_number] => 16/466952 [patent_app_country] => US [patent_app_date] => 2017-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7977 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16466952 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/466952
Rotor part of a rotor for a camshaft adjuster and pressing tool for the production thereof Nov 30, 2017 Issued
Array ( [id] => 14392003 [patent_doc_number] => 10309274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-04 [patent_title] => Variable valve mechanism for engine [patent_app_type] => utility [patent_app_number] => 15/823765 [patent_app_country] => US [patent_app_date] => 2017-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6339 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15823765 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/823765
Variable valve mechanism for engine Nov 27, 2017 Issued
Array ( [id] => 14343869 [patent_doc_number] => 20190153907 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => CAM SHAFT PHASER WITH CRANKSHAFT DRIVEN ROTOR [patent_app_type] => utility [patent_app_number] => 15/815762 [patent_app_country] => US [patent_app_date] => 2017-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2843 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15815762 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/815762
Cam shaft phaser with crankshaft driven rotor Nov 16, 2017 Issued
Array ( [id] => 13301585 [patent_doc_number] => 20180202329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-19 [patent_title] => INTERNAL COMBUSTION ENGINE CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 15/810306 [patent_app_country] => US [patent_app_date] => 2017-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7321 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15810306 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/810306
Internal combustion engine control system Nov 12, 2017 Issued
Array ( [id] => 14486507 [patent_doc_number] => 10330026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => Method of controlling valve timing and valve duration using CVVT apparatus and CVVD apparatus [patent_app_type] => utility [patent_app_number] => 15/809653 [patent_app_country] => US [patent_app_date] => 2017-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3798 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15809653 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/809653
Method of controlling valve timing and valve duration using CVVT apparatus and CVVD apparatus Nov 9, 2017 Issued
Array ( [id] => 12730912 [patent_doc_number] => 20180135471 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => VALVE OPENING/CLOSING TIMING CONTROL APPARATUS [patent_app_type] => utility [patent_app_number] => 15/807926 [patent_app_country] => US [patent_app_date] => 2017-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 387 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15807926 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/807926
Valve opening/closing timing control apparatus Nov 8, 2017 Issued
Array ( [id] => 15484101 [patent_doc_number] => 10557385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-11 [patent_title] => Engine variable camshaft timing phaser with planetary gear assembly [patent_app_type] => utility [patent_app_number] => 15/804901 [patent_app_country] => US [patent_app_date] => 2017-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5940 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15804901 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/804901
Engine variable camshaft timing phaser with planetary gear assembly Nov 5, 2017 Issued
Array ( [id] => 14120405 [patent_doc_number] => 10247053 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-04-02 [patent_title] => Axleless roller valve lifter [patent_app_type] => utility [patent_app_number] => 15/791600 [patent_app_country] => US [patent_app_date] => 2017-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3164 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 15791600 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/791600
Axleless roller valve lifter Oct 23, 2017 Issued
Array ( [id] => 14779701 [patent_doc_number] => 20190264748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => ADJUSTING DEVICE [patent_app_type] => utility [patent_app_number] => 16/319977 [patent_app_country] => US [patent_app_date] => 2017-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16319977 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/319977
ADJUSTING DEVICE Oct 18, 2017 Abandoned
Array ( [id] => 14748095 [patent_doc_number] => 20190257221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => OBD BASED ON MAGNETIC CIRCUIT FEEDBACK [patent_app_type] => utility [patent_app_number] => 16/342362 [patent_app_country] => US [patent_app_date] => 2017-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16342362 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/342362
OBD based on magnetic circuit feedback Oct 12, 2017 Issued
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