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] => 17378644 [patent_doc_number] => 11236645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Valve timing controller [patent_app_type] => utility [patent_app_number] => 17/197233 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 7690 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197233 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197233
Valve timing controller Mar 9, 2021 Issued
Array ( [id] => 17307825 [patent_doc_number] => 11208923 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Tappet [patent_app_type] => utility [patent_app_number] => 17/197505 [patent_app_country] => US [patent_app_date] => 2021-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 3790 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17197505 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/197505
Tappet Mar 9, 2021 Issued
Array ( [id] => 17650202 [patent_doc_number] => 11352918 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-07 [patent_title] => Variable valve timing method and mechanism [patent_app_type] => utility [patent_app_number] => 17/180722 [patent_app_country] => US [patent_app_date] => 2021-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 9003 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 331 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180722 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180722
Variable valve timing method and mechanism Feb 19, 2021 Issued
Array ( [id] => 17596207 [patent_doc_number] => 20220145781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-12 [patent_title] => CASTELLATION DEVICE, MECHANICAL CAPSULE, AND ROCKER ARM [patent_app_type] => utility [patent_app_number] => 17/424944 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [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] => 17424944 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424944
Castellation device, mechanical capsule, and rocker arm Feb 18, 2021 Issued
Array ( [id] => 18052004 [patent_doc_number] => 11525378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-13 [patent_title] => Filter arrangement [patent_app_type] => utility [patent_app_number] => 17/178235 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 6726 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17178235 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/178235
Filter arrangement Feb 16, 2021 Issued
Array ( [id] => 18224951 [patent_doc_number] => 20230063945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => CAMSHAFT TOOTHED WHEEL AND SYNCHRONISATION METHOD USING SUCH A WHEEL [patent_app_type] => utility [patent_app_number] => 17/793228 [patent_app_country] => US [patent_app_date] => 2021-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17793228 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/793228
Camshaft toothed wheel and synchronization method using such a wheel Feb 14, 2021 Issued
Array ( [id] => 18452564 [patent_doc_number] => 20230193843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => Control Device [patent_app_type] => utility [patent_app_number] => 17/925736 [patent_app_country] => US [patent_app_date] => 2021-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12380 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925736 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925736
Control device Feb 4, 2021 Issued
Array ( [id] => 17315321 [patent_doc_number] => 20210404369 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => DUAL FUNCTION MANIFOLD ASSEMBLY INCORPORATING A DETACHABLE CATALYTIC CONVERTER [patent_app_type] => utility [patent_app_number] => 17/159530 [patent_app_country] => US [patent_app_date] => 2021-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17159530 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/159530
Dual function manifold assembly incorporating a detachable catalytic converter Jan 26, 2021 Issued
Array ( [id] => 17007855 [patent_doc_number] => 20210239016 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => MID-ARM TORSION SPRING IN A SWITCHABLE ROLLER FINGER FOLLOWER [patent_app_type] => utility [patent_app_number] => 17/157420 [patent_app_country] => US [patent_app_date] => 2021-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17157420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/157420
MID-ARM TORSION SPRING IN A SWITCHABLE ROLLER FINGER FOLLOWER Jan 24, 2021 Abandoned
Array ( [id] => 17650200 [patent_doc_number] => 11352916 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Mechanical cam phasing systems and methods [patent_app_type] => utility [patent_app_number] => 17/156109 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 36 [patent_no_of_words] => 13528 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17156109 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/156109
Mechanical cam phasing systems and methods Jan 21, 2021 Issued
Array ( [id] => 17363932 [patent_doc_number] => 11230950 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-01-25 [patent_title] => Electrically-actuated variable camshaft timing phaser with removable fixture [patent_app_type] => utility [patent_app_number] => 17/155612 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 9087 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155612 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155612
Electrically-actuated variable camshaft timing phaser with removable fixture Jan 21, 2021 Issued
Array ( [id] => 17135359 [patent_doc_number] => 11136907 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-10-05 [patent_title] => Hydraulic lifter with cartridge style adjustment insert sub-assembly [patent_app_type] => utility [patent_app_number] => 17/152560 [patent_app_country] => US [patent_app_date] => 2021-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7074 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [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] => 17152560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/152560
Hydraulic lifter with cartridge style adjustment insert sub-assembly Jan 18, 2021 Issued
Array ( [id] => 18794444 [patent_doc_number] => 11828205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Latch assembly and compact rocker arm assembly [patent_app_type] => utility [patent_app_number] => 17/758640 [patent_app_country] => US [patent_app_date] => 2021-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3372 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17758640 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/758640
Latch assembly and compact rocker arm assembly Jan 14, 2021 Issued
Array ( [id] => 16808762 [patent_doc_number] => 20210131315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => ROCKER BASED BLEEDER ENGINE BRAKE [patent_app_type] => utility [patent_app_number] => 17/146784 [patent_app_country] => US [patent_app_date] => 2021-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3470 [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] => 17146784 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/146784
Rocker based bleeder engine brake Jan 11, 2021 Issued
Array ( [id] => 16808765 [patent_doc_number] => 20210131318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => BALANCED BRIDGE BLEEDER BRAKE WITH HLA [patent_app_type] => utility [patent_app_number] => 17/146443 [patent_app_country] => US [patent_app_date] => 2021-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17146443 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/146443
Balanced bridge bleeder brake with HLA Jan 10, 2021 Issued
Array ( [id] => 16808764 [patent_doc_number] => 20210131317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => DEVELOPMENT OF A SWITCHING ROLLER FINGER FOLLOWER FOR CYLINDER DEACTIVATION IN INTERNAL COMBUSTION ENGINES [patent_app_type] => utility [patent_app_number] => 17/129356 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 46285 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17129356 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/129356
Development of a switching roller finger follower for cylinder deactivation in internal combustion engines Dec 20, 2020 Issued
Array ( [id] => 16933141 [patent_doc_number] => 20210199030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => FULLY VARIABLE VALVE TRAIN WITH ROTARY PLUNGER FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 17/129447 [patent_app_country] => US [patent_app_date] => 2020-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2303 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17129447 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/129447
Fully variable valve train with rotary plunger for internal combustion engine Dec 20, 2020 Issued
Array ( [id] => 17785195 [patent_doc_number] => 11408310 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-09 [patent_title] => Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations [patent_app_type] => utility [patent_app_number] => 17/247481 [patent_app_country] => US [patent_app_date] => 2020-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 8525 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17247481 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/247481
Valve actuation system comprising in-series lost motion components for use in cylinder deactivation and auxiliary valve actuations Dec 11, 2020 Issued
Array ( [id] => 17267984 [patent_doc_number] => 11193401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Lost motion mechanism, valve gear and engine [patent_app_type] => utility [patent_app_number] => 17/114560 [patent_app_country] => US [patent_app_date] => 2020-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6103 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17114560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/114560
Lost motion mechanism, valve gear and engine Dec 7, 2020 Issued
Array ( [id] => 18709898 [patent_doc_number] => 20230332520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => ROCKER ARM MECHANISM AND ENGINE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/025402 [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] => 3304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18025402 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/025402
Rocker arm mechanism and engine assembly Dec 6, 2020 Issued
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