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] => 16720805 [patent_doc_number] => 20210087952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => ENGINE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/113529 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2331 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113529
ENGINE SYSTEM Dec 6, 2020 Abandoned
Array ( [id] => 18142272 [patent_doc_number] => 20230016116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-19 [patent_title] => Valve Actuation Device for Actuating at Least Two Gas Exchange Valves of an Internal Combustion Engine, Method for Operating Such a Valve Actuation Device and Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 17/783553 [patent_app_country] => US [patent_app_date] => 2020-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17783553 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/783553
Valve actuation device for actuating at least two gas exchange valves of an internal combustion engine, method for operating such a valve actuation device and internal combustion engine Dec 2, 2020 Issued
Array ( [id] => 16720806 [patent_doc_number] => 20210087953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => ROCKER ARM WITH INBOARD LOST MOTION SPRING OVER VALVE [patent_app_type] => utility [patent_app_number] => 17/109666 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17109666 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109666
Rocker arm with inboard lost motion spring over valve Dec 1, 2020 Issued
Array ( [id] => 16712669 [patent_doc_number] => 20210079816 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => LASH ADJUSTER WITH BALL PLUNGER RETAINING FEATURE AND METHOD OF MAKING SAME [patent_app_type] => utility [patent_app_number] => 17/108072 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17108072 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/108072
Lash adjuster with ball plunger retaining feature and method of making same Nov 30, 2020 Issued
Array ( [id] => 18996568 [patent_doc_number] => 11913402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Diesel-steam power plant [patent_app_type] => utility [patent_app_number] => 17/770607 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 888 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17770607 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770607
Diesel-steam power plant Nov 23, 2020 Issued
Array ( [id] => 17163570 [patent_doc_number] => 11149659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-19 [patent_title] => Self-contained compression brake control module for compression-release brake system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/952483 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7854 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 383 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16952483 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/952483
Self-contained compression brake control module for compression-release brake system of an internal combustion engine Nov 18, 2020 Issued
Array ( [id] => 16750468 [patent_doc_number] => 20210102477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => TAPPET ASSEMBLY WITH FORMED ANTI-ROTATION ALIGNMENT DEVICE [patent_app_type] => utility [patent_app_number] => 17/062888 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062888
Tappet assembly with formed anti-rotation alignment device Oct 4, 2020 Issued
Array ( [id] => 16750469 [patent_doc_number] => 20210102478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => TAPPET ASSEMBLY WITH UNGROUND OUTER CUP [patent_app_type] => utility [patent_app_number] => 17/063264 [patent_app_country] => US [patent_app_date] => 2020-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3307 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063264 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/063264
Tappet assembly with unground outer cup Oct 4, 2020 Issued
Array ( [id] => 18636770 [patent_doc_number] => 11761359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-19 [patent_title] => Hydraulic unit of an electrohydraulic gas exchange valve control system [patent_app_type] => utility [patent_app_number] => 17/770673 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2632 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17770673 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/770673
Hydraulic unit of an electrohydraulic gas exchange valve control system Sep 29, 2020 Issued
Array ( [id] => 18666875 [patent_doc_number] => 11773758 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Variable valve mechanism [patent_app_type] => utility [patent_app_number] => 17/788747 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7284 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17788747 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/788747
Variable valve mechanism Sep 23, 2020 Issued
Array ( [id] => 17251642 [patent_doc_number] => 11187119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-30 [patent_title] => Latch pin for use in valve lifter and valve lifter [patent_app_type] => utility [patent_app_number] => 17/022440 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2804 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022440 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022440
Latch pin for use in valve lifter and valve lifter Sep 15, 2020 Issued
Array ( [id] => 16712668 [patent_doc_number] => 20210079815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => ROCKER ARM FOR AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/022952 [patent_app_country] => US [patent_app_date] => 2020-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2804 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17022952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/022952
ROCKER ARM FOR AN INTERNAL COMBUSTION ENGINE Sep 15, 2020 Abandoned
Array ( [id] => 17193690 [patent_doc_number] => 11162436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Camless engine valve control system [patent_app_type] => utility [patent_app_number] => 17/020732 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 55 [patent_no_of_words] => 8890 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17020732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/020732
Camless engine valve control system Sep 13, 2020 Issued
Array ( [id] => 17193648 [patent_doc_number] => 11162394 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Automatic lash adjuster for use with high compression internal combustion engines [patent_app_type] => utility [patent_app_number] => 17/008317 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5571 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17008317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/008317
Automatic lash adjuster for use with high compression internal combustion engines Aug 30, 2020 Issued
Array ( [id] => 16674515 [patent_doc_number] => 20210063278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => WATER INTRUSION COVER FOR SENSOR PROBE [patent_app_type] => utility [patent_app_number] => 17/001944 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5138 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17001944 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/001944
Water intrusion cover for sensor probe Aug 24, 2020 Issued
Array ( [id] => 16674516 [patent_doc_number] => 20210063279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => EXTERNAL LIQUID PROTECTION SHIELD FOR SENSOR PROBE [patent_app_type] => utility [patent_app_number] => 17/002464 [patent_app_country] => US [patent_app_date] => 2020-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4683 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17002464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/002464
EXTERNAL LIQUID PROTECTION SHIELD FOR SENSOR PROBE Aug 24, 2020 Abandoned
Array ( [id] => 16673921 [patent_doc_number] => 20210062684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => METHOD OF SETTING TAPPET CLEARANCE AND DEVICE THEREFOR [patent_app_type] => utility [patent_app_number] => 16/999093 [patent_app_country] => US [patent_app_date] => 2020-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16999093 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/999093
Method of setting tappet clearance and device therefor Aug 20, 2020 Issued
Array ( [id] => 17946495 [patent_doc_number] => 20220333512 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => ENGINE VALVE ACTUATING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/753160 [patent_app_country] => US [patent_app_date] => 2020-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17753160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753160
Engine valve actuating apparatus Aug 18, 2020 Issued
Array ( [id] => 16484679 [patent_doc_number] => 20200378280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => Dual Camshaft Phase Control Assembly [patent_app_type] => utility [patent_app_number] => 16/994536 [patent_app_country] => US [patent_app_date] => 2020-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5583 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16994536 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/994536
Dual Camshaft Phase Control Assembly Aug 13, 2020 Abandoned
Array ( [id] => 16629295 [patent_doc_number] => 20210047948 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-18 [patent_title] => ELECTROMAGNETIC LATCH ASSEMBLY WITH FLEXIBLE LATCH PIN COUPLING [patent_app_type] => utility [patent_app_number] => 16/992014 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16992014 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/992014
Electromagnetic latch assembly with flexible latch pin coupling Aug 11, 2020 Issued
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