
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |