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] => 17052933 [patent_doc_number] => 20210262367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Intake Valve Device Capable of Implementing Two-Stage Switching of Gas Distribution Phase and Diesel Engine [patent_app_type] => utility [patent_app_number] => 17/255300 [patent_app_country] => US [patent_app_date] => 2018-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17255300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/255300
Intake Valve Device Capable of Implementing Two-Stage Switching of Gas Distribution Phase and Diesel Engine Sep 3, 2018 Abandoned
Array ( [id] => 15591127 [patent_doc_number] => 20200072098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => SLIDING CAMSHAFT ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/120744 [patent_app_country] => US [patent_app_date] => 2018-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8643 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 353 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16120744 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/120744
SLIDING CAMSHAFT ASSEMBLY Sep 3, 2018 Abandoned
Array ( [id] => 14748097 [patent_doc_number] => 20190257222 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-22 [patent_title] => CENTER BOLT OIL CONTROL VALVE TO CONTROL A CAM PHASER WITH A CALIBRATION CAP HAVING A PRESSURE CHECK VALVE AND FILTER [patent_app_type] => utility [patent_app_number] => 16/119376 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16119376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/119376
Center bolt oil control valve to control a cam phaser with a calibration cap having a pressure check valve and filter Aug 30, 2018 Issued
Array ( [id] => 14020031 [patent_doc_number] => 20190072009 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => SLIDING CAM SYSTEM [patent_app_type] => utility [patent_app_number] => 16/116427 [patent_app_country] => US [patent_app_date] => 2018-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16116427 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/116427
Sliding cam system Aug 28, 2018 Issued
Array ( [id] => 15310247 [patent_doc_number] => 10519817 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-31 [patent_title] => Switchable rocker arm with lash adjustment and travel stop [patent_app_type] => utility [patent_app_number] => 16/116247 [patent_app_country] => US [patent_app_date] => 2018-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5623 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16116247 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/116247
Switchable rocker arm with lash adjustment and travel stop Aug 28, 2018 Issued
Array ( [id] => 15754857 [patent_doc_number] => 10619527 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-04-14 [patent_title] => Variable valve train [patent_app_type] => utility [patent_app_number] => 16/111825 [patent_app_country] => US [patent_app_date] => 2018-08-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4269 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16111825 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/111825
Variable valve train Aug 23, 2018 Issued
Array ( [id] => 16277434 [patent_doc_number] => 10760454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-01 [patent_title] => Oil control valve to control a cam phaser with a spool positioned by an external actuator and having a groove [patent_app_type] => utility [patent_app_number] => 16/107474 [patent_app_country] => US [patent_app_date] => 2018-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 20 [patent_no_of_words] => 3762 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16107474 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/107474
Oil control valve to control a cam phaser with a spool positioned by an external actuator and having a groove Aug 20, 2018 Issued
Array ( [id] => 15356649 [patent_doc_number] => 10526931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-01-07 [patent_title] => Electrohydraulic valve and method for producing the electrohydraulic valve [patent_app_type] => utility [patent_app_number] => 16/106573 [patent_app_country] => US [patent_app_date] => 2018-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5044 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16106573 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/106573
Electrohydraulic valve and method for producing the electrohydraulic valve Aug 20, 2018 Issued
Array ( [id] => 13959029 [patent_doc_number] => 20190055858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => FORCE TRANSMISSION DEVICE FOR VARIABLE VALVE DRIVE [patent_app_type] => utility [patent_app_number] => 16/104507 [patent_app_country] => US [patent_app_date] => 2018-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16104507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/104507
Force transmission device for variable valve drive Aug 16, 2018 Issued
Array ( [id] => 17185848 [patent_doc_number] => 20210332733 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => DECOMPOSITION CHAMBER FOR AFTERTREATMENT SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/324485 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10596 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16324485 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324485
Decomposition chamber for aftertreatment systems Aug 13, 2018 Issued
Array ( [id] => 16682210 [patent_doc_number] => 10941678 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Adjusting device with sealed guide cylinder [patent_app_type] => utility [patent_app_number] => 16/649488 [patent_app_country] => US [patent_app_date] => 2018-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4785 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16649488 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/649488
Adjusting device with sealed guide cylinder Aug 13, 2018 Issued
Array ( [id] => 13930501 [patent_doc_number] => 20190048766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => VARIABLE VALVE LIFT ACTUATOR OF ENGINE [patent_app_type] => utility [patent_app_number] => 16/056714 [patent_app_country] => US [patent_app_date] => 2018-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 317 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16056714 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/056714
Variable valve lift actuator of engine Aug 6, 2018 Issued
Array ( [id] => 16074227 [patent_doc_number] => 20200191100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => VEHICLE POWERTRAIN UNIT [patent_app_type] => utility [patent_app_number] => 16/641171 [patent_app_country] => US [patent_app_date] => 2018-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16641171 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/641171
VEHICLE POWERTRAIN UNIT Jul 31, 2018 Abandoned
Array ( [id] => 15133817 [patent_doc_number] => 10480361 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Cam phaser having a retention feature for aiding assembly [patent_app_type] => utility [patent_app_number] => 16/050419 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4210 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16050419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/050419
Cam phaser having a retention feature for aiding assembly Jul 30, 2018 Issued
Array ( [id] => 16720811 [patent_doc_number] => 20210087958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-25 [patent_title] => WORK VEHICLE [patent_app_type] => utility [patent_app_number] => 16/635486 [patent_app_country] => US [patent_app_date] => 2018-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10980 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16635486 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/635486
Work vehicle including diesel particulate filter (DPF) regeneration control Jul 19, 2018 Issued
Array ( [id] => 16422557 [patent_doc_number] => 20200347755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-05 [patent_title] => VALVE ROTATING DEVICE [patent_app_type] => utility [patent_app_number] => 16/763726 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16763726 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/763726
Valve rotating device Jul 4, 2018 Issued
Array ( [id] => 17728344 [patent_doc_number] => 11384725 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-12 [patent_title] => Engine decompression device and engine [patent_app_type] => utility [patent_app_number] => 17/253399 [patent_app_country] => US [patent_app_date] => 2018-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 6242 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17253399 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253399
Engine decompression device and engine Jul 4, 2018 Issued
Array ( [id] => 15801593 [patent_doc_number] => 20200123939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => Engine Valve Lifters [patent_app_type] => utility [patent_app_number] => 16/628411 [patent_app_country] => US [patent_app_date] => 2018-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16628411 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/628411
Engine valve lifter assemblies Jul 2, 2018 Issued
Array ( [id] => 16591139 [patent_doc_number] => 10900390 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Harsh condition controls for electrically latched switching roller finger follower [patent_app_type] => utility [patent_app_number] => 16/628435 [patent_app_country] => US [patent_app_date] => 2018-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 5653 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16628435 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/628435
Harsh condition controls for electrically latched switching roller finger follower Jun 21, 2018 Issued
Array ( [id] => 13734987 [patent_doc_number] => 20180371961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => FORCE TRANSMISSION DEVICE [patent_app_type] => utility [patent_app_number] => 16/013324 [patent_app_country] => US [patent_app_date] => 2018-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16013324 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013324
Force transmission device Jun 19, 2018 Issued
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