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] => 17998352 [patent_doc_number] => 11499451 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Valve spring retainer incorporating lubrication oil trap [patent_app_type] => utility [patent_app_number] => 17/527815 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 6662 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17527815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/527815
Valve spring retainer incorporating lubrication oil trap Nov 15, 2021 Issued
Array ( [id] => 17891181 [patent_doc_number] => 11454140 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-27 [patent_title] => Torque-limiting rotor coupling for an electrically-actuated camshaft phaser [patent_app_type] => utility [patent_app_number] => 17/522304 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4301 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522304 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/522304
Torque-limiting rotor coupling for an electrically-actuated camshaft phaser Nov 8, 2021 Issued
Array ( [id] => 17891182 [patent_doc_number] => 11454141 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-09-27 [patent_title] => Torque limited variable camshaft timing assembly [patent_app_type] => utility [patent_app_number] => 17/522319 [patent_app_country] => US [patent_app_date] => 2021-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3753 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17522319 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/522319
Torque limited variable camshaft timing assembly Nov 8, 2021 Issued
Array ( [id] => 17429112 [patent_doc_number] => 20220056820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => VALVE TIMING ADJUSTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/521251 [patent_app_country] => US [patent_app_date] => 2021-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17521251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/521251
Valve timing adjusting device Nov 7, 2021 Issued
Array ( [id] => 17400338 [patent_doc_number] => 20220042428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => Hydraulic Drive for Accelerating and Braking Dynamically Moving Components [patent_app_type] => utility [patent_app_number] => 17/510645 [patent_app_country] => US [patent_app_date] => 2021-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17510645 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/510645
Hydraulic Drive for Accelerating and Braking Dynamically Moving Components Oct 25, 2021 Abandoned
Array ( [id] => 18335742 [patent_doc_number] => 20230127691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-27 [patent_title] => Electronic Valve Train Assembly [patent_app_type] => utility [patent_app_number] => 17/507317 [patent_app_country] => US [patent_app_date] => 2021-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17507317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/507317
Electronic Valve Train Assembly Oct 20, 2021 Abandoned
Array ( [id] => 17386414 [patent_doc_number] => 20220034266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [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] => 17/504810 [patent_app_country] => US [patent_app_date] => 2021-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17504810 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/504810
Self-contained compression brake control module for compression-release brake system of an internal combustion engine Oct 18, 2021 Issued
Array ( [id] => 17800736 [patent_doc_number] => 11415026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Pass through timing pin system [patent_app_type] => utility [patent_app_number] => 17/496865 [patent_app_country] => US [patent_app_date] => 2021-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4387 [patent_no_of_claims] => 20 [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] => 17496865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/496865
Pass through timing pin system Oct 7, 2021 Issued
Array ( [id] => 19292116 [patent_doc_number] => 12031465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-09 [patent_title] => Exhaust gas purification device [patent_app_type] => utility [patent_app_number] => 17/487236 [patent_app_country] => US [patent_app_date] => 2021-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7945 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17487236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/487236
Exhaust gas purification device Sep 27, 2021 Issued
Array ( [id] => 17336800 [patent_doc_number] => 20220003131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => OIL CONTROL ASSEMBLY AND ENGINE SYSTEM FOR VARIABLE VALVE ACTUATION [patent_app_type] => utility [patent_app_number] => 17/480028 [patent_app_country] => US [patent_app_date] => 2021-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6012 [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] => 17480028 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/480028
Oil control assembly and engine system for variable valve actuation Sep 19, 2021 Issued
Array ( [id] => 18102968 [patent_doc_number] => 11542849 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-03 [patent_title] => Method and system for determining internal temperature of a mid-brick catalyst for machine control [patent_app_type] => utility [patent_app_number] => 17/448010 [patent_app_country] => US [patent_app_date] => 2021-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17448010 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/448010
Method and system for determining internal temperature of a mid-brick catalyst for machine control Sep 16, 2021 Issued
Array ( [id] => 17336803 [patent_doc_number] => 20220003134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-06 [patent_title] => VALVE TIMING ADJUSTMENT DEVICE [patent_app_type] => utility [patent_app_number] => 17/475591 [patent_app_country] => US [patent_app_date] => 2021-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 371 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17475591 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/475591
Valve timing adjustment device Sep 14, 2021 Issued
Array ( [id] => 18242363 [patent_doc_number] => 20230074674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => PROCESS FOR IMPROVING ENGINE EFFICIENCY USING A FUEL REFORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/462904 [patent_app_country] => US [patent_app_date] => 2021-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17462904 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/462904
Process for improving engine efficiency using a fuel reforming system Aug 30, 2021 Issued
Array ( [id] => 18709896 [patent_doc_number] => 20230332518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => VALVE-ACTUATING DEVICE HAVING A SWITCHING DEVICE [patent_app_type] => utility [patent_app_number] => 18/042691 [patent_app_country] => US [patent_app_date] => 2021-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18042691 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/042691
Valve-actuating device having a switching device Aug 23, 2021 Issued
Array ( [id] => 17259314 [patent_doc_number] => 20210372299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-02 [patent_title] => CASTELLATION MECHANISM WITH REVERSE RESET [patent_app_type] => utility [patent_app_number] => 17/404250 [patent_app_country] => US [patent_app_date] => 2021-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17404250 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/404250
Castellation mechanism with reverse reset Aug 16, 2021 Issued
Array ( [id] => 18198906 [patent_doc_number] => 20230052425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-16 [patent_title] => CAMSHAFT RETAINERS WITH AS-PRESSED WINDAGE RELIEF HOLES AND A METHOD OF MAKING THE SAME [patent_app_type] => utility [patent_app_number] => 17/444760 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17444760 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/444760
CAMSHAFT RETAINERS WITH AS-PRESSED WINDAGE RELIEF HOLES AND A METHOD OF MAKING THE SAME Aug 9, 2021 Abandoned
Array ( [id] => 19044107 [patent_doc_number] => 11933199 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Switchable finger follower for a valve train of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 18/024172 [patent_app_country] => US [patent_app_date] => 2021-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1790 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18024172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/024172
Switchable finger follower for a valve train of an internal combustion engine Aug 9, 2021 Issued
Array ( [id] => 17635540 [patent_doc_number] => 11346258 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-05-31 [patent_title] => Marine engines having cam phaser [patent_app_type] => utility [patent_app_number] => 17/393062 [patent_app_country] => US [patent_app_date] => 2021-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5173 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17393062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/393062
Marine engines having cam phaser Aug 2, 2021 Issued
Array ( [id] => 17215190 [patent_doc_number] => 20210348528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => ROCKER ARM ASSEMBLY HAVING LASH MANAGEMENT FOR CYLINDER DEACTIVATION AND ENGINE BRAKE CONFIGURATION [patent_app_type] => utility [patent_app_number] => 17/382894 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5186 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17382894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/382894
Rocker arm assembly having lash management for cylinder deactivation and engine brake configuration Jul 21, 2021 Issued
Array ( [id] => 18597928 [patent_doc_number] => 20230272727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => GEAR DEVICE, CAMSHAFT ADJUSTER HAVING THE GEAR DEVICE, AND INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 18/016113 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18016113 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/016113
Gear device, camshaft adjuster having the gear device, and internal combustion engine Jul 21, 2021 Issued
Menu