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] => 13463365 [patent_doc_number] => 20180283225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/936096 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15936096 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/936096
Control device for internal combustion engine Mar 25, 2018 Issued
Array ( [id] => 14914775 [patent_doc_number] => 10428698 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Valve drive for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/936061 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 5050 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15936061 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/936061
Valve drive for an internal combustion engine Mar 25, 2018 Issued
Array ( [id] => 14914781 [patent_doc_number] => 10428701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Valve drive for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/936375 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3824 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15936375 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/936375
Valve drive for an internal combustion engine Mar 25, 2018 Issued
Array ( [id] => 14914783 [patent_doc_number] => 10428702 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Valve drive for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/936383 [patent_app_country] => US [patent_app_date] => 2018-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4433 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15936383 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/936383
Valve drive for an internal combustion engine Mar 25, 2018 Issued
Array ( [id] => 14120421 [patent_doc_number] => 10247061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Hydraulic valve drive of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/933920 [patent_app_country] => US [patent_app_date] => 2018-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 3881 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15933920 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/933920
Hydraulic valve drive of an internal combustion engine Mar 22, 2018 Issued
Array ( [id] => 17112287 [patent_doc_number] => 20210292884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => METHOD FOR PRODUCING A SLIDING SURFACE [patent_app_type] => utility [patent_app_number] => 16/616839 [patent_app_country] => US [patent_app_date] => 2018-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1698 [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] => 16616839 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/616839
Method for producing a sliding surface Mar 22, 2018 Issued
Array ( [id] => 13315545 [patent_doc_number] => 20180209309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-26 [patent_title] => VALVE TRAIN CARRIER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/928512 [patent_app_country] => US [patent_app_date] => 2018-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15928512 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/928512
Valve train carrier assembly Mar 21, 2018 Issued
Array ( [id] => 14795283 [patent_doc_number] => 10400638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Camshaft phaser arrangement for a concentrically arranged camshaft assembly [patent_app_type] => utility [patent_app_number] => 15/927174 [patent_app_country] => US [patent_app_date] => 2018-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3844 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15927174 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/927174
Camshaft phaser arrangement for a concentrically arranged camshaft assembly Mar 20, 2018 Issued
Array ( [id] => 13445825 [patent_doc_number] => 20180274455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-27 [patent_title] => INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 15/925065 [patent_app_country] => US [patent_app_date] => 2018-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6161 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 15925065 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/925065
Internal combustion engine Mar 18, 2018 Issued
Array ( [id] => 14455195 [patent_doc_number] => 10323550 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-06-18 [patent_title] => Protection for hydraulic lifters [patent_app_type] => utility [patent_app_number] => 15/921253 [patent_app_country] => US [patent_app_date] => 2018-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 3623 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15921253 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/921253
Protection for hydraulic lifters Mar 13, 2018 Issued
Array ( [id] => 16591135 [patent_doc_number] => 10900386 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-01-26 [patent_title] => Camshaft adjustment device for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/486167 [patent_app_country] => US [patent_app_date] => 2018-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2732 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16486167 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/486167
Camshaft adjustment device for an internal combustion engine Mar 7, 2018 Issued
Array ( [id] => 13401161 [patent_doc_number] => 20180252123 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => TEMPERATURE INDEPENDENT CAMSHAFT PHASER ACTUATION STRATEGY [patent_app_type] => utility [patent_app_number] => 15/908868 [patent_app_country] => US [patent_app_date] => 2018-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5936 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15908868 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/908868
Temperature independent camshaft phaser actuation strategy Feb 28, 2018 Issued
Array ( [id] => 17045447 [patent_doc_number] => 11098617 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-24 [patent_title] => Hydraulic camshaft adjuster [patent_app_type] => utility [patent_app_number] => 16/604640 [patent_app_country] => US [patent_app_date] => 2018-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4274 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16604640 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/604640
Hydraulic camshaft adjuster Feb 27, 2018 Issued
Array ( [id] => 13538113 [patent_doc_number] => 20180320603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-08 [patent_title] => SWITCHING ROCKER ARM HAVING CANTILEVERED ROLLERS [patent_app_type] => utility [patent_app_number] => 15/889144 [patent_app_country] => US [patent_app_date] => 2018-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9238 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15889144 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/889144
Switching rocker arm having cantilevered rollers Feb 4, 2018 Issued
Array ( [id] => 15456387 [patent_doc_number] => 20200041018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => MULTI-PART ROLLER TAPPET [patent_app_type] => utility [patent_app_number] => 16/499635 [patent_app_country] => US [patent_app_date] => 2018-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16499635 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/499635
Multi-part roller tappet Jan 31, 2018 Issued
Array ( [id] => 15255373 [patent_doc_number] => 20190376420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => VARIABLE VALVE DRIVE OF A COMBUSTION PISTON ENGINE [patent_app_type] => utility [patent_app_number] => 16/481848 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16481848 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/481848
Variable valve drive of a combustion piston engine Jan 23, 2018 Issued
Array ( [id] => 13315547 [patent_doc_number] => 20180209310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-26 [patent_title] => CAM PHASING SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 15/876806 [patent_app_country] => US [patent_app_date] => 2018-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15876806 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/876806
Cam phasing systems and methods Jan 21, 2018 Issued
Array ( [id] => 15179631 [patent_doc_number] => 20190360407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => Control Device and Control Method for Variable Valve Timing Mechanism [patent_app_type] => utility [patent_app_number] => 16/332414 [patent_app_country] => US [patent_app_date] => 2018-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16332414 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/332414
Control device and control method for variable valve timing mechanism Jan 18, 2018 Issued
Array ( [id] => 14639953 [patent_doc_number] => 10364711 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-07-30 [patent_title] => Apparatus and method for dynamic hydraulic locking and releasing a cam lobe from a camshaft [patent_app_type] => utility [patent_app_number] => 15/874738 [patent_app_country] => US [patent_app_date] => 2018-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 3835 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15874738 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/874738
Apparatus and method for dynamic hydraulic locking and releasing a cam lobe from a camshaft Jan 17, 2018 Issued
Array ( [id] => 14552379 [patent_doc_number] => 10344638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-07-09 [patent_title] => Internal combustion engine system [patent_app_type] => utility [patent_app_number] => 15/864656 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 10021 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864656 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864656
Internal combustion engine system Jan 7, 2018 Issued
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