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] => 19274920 [patent_doc_number] => 12025037 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Bidirectional latch pin assembly, switchable rocker arm, and valvetrain assembly [patent_app_type] => utility [patent_app_number] => 18/548022 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3677 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548022
Bidirectional latch pin assembly, switchable rocker arm, and valvetrain assembly Mar 6, 2022 Issued
Array ( [id] => 19274920 [patent_doc_number] => 12025037 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Bidirectional latch pin assembly, switchable rocker arm, and valvetrain assembly [patent_app_type] => utility [patent_app_number] => 18/548022 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3677 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18548022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/548022
Bidirectional latch pin assembly, switchable rocker arm, and valvetrain assembly Mar 6, 2022 Issued
Array ( [id] => 18013805 [patent_doc_number] => 11506090 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-22 [patent_title] => Systems and methods for cam profile switch (CPS) assembly [patent_app_type] => utility [patent_app_number] => 17/653359 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 12515 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17653359 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/653359
Systems and methods for cam profile switch (CPS) assembly Mar 2, 2022 Issued
Array ( [id] => 19142954 [patent_doc_number] => 20240141809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Valve Bridge for a Valve Train of an Internal Combustion Engine, in Particular of a Motor Vehicle, Valve Train for an Internal Combustion Engine, in Particular of a Motor Vehicle, and Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 18/547630 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18547630 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547630
Valve Bridge for a Valve Train of an Internal Combustion Engine, in Particular of a Motor Vehicle, Valve Train for an Internal Combustion Engine, in Particular of a Motor Vehicle, and Internal Combustion Engine Feb 16, 2022 Pending
Array ( [id] => 19142954 [patent_doc_number] => 20240141809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Valve Bridge for a Valve Train of an Internal Combustion Engine, in Particular of a Motor Vehicle, Valve Train for an Internal Combustion Engine, in Particular of a Motor Vehicle, and Internal Combustion Engine [patent_app_type] => utility [patent_app_number] => 18/547630 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9123 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18547630 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547630
Valve Bridge for a Valve Train of an Internal Combustion Engine, in Particular of a Motor Vehicle, Valve Train for an Internal Combustion Engine, in Particular of a Motor Vehicle, and Internal Combustion Engine Feb 16, 2022 Pending
Array ( [id] => 18275071 [patent_doc_number] => 11614007 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-28 [patent_title] => Single-valve electrohydraulic control system for engine braking rocker arm control [patent_app_type] => utility [patent_app_number] => 17/673392 [patent_app_country] => US [patent_app_date] => 2022-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4688 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17673392 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/673392
Single-valve electrohydraulic control system for engine braking rocker arm control Feb 15, 2022 Issued
Array ( [id] => 18217013 [patent_doc_number] => 11591939 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Compression release mechanism and internal combustion engine including the same [patent_app_type] => utility [patent_app_number] => 17/667249 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6263 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17667249 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667249
Compression release mechanism and internal combustion engine including the same Feb 7, 2022 Issued
Array ( [id] => 18135157 [patent_doc_number] => 11560814 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-24 [patent_title] => Recirculating hydraulic fluid control valve [patent_app_type] => utility [patent_app_number] => 17/580713 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 30 [patent_no_of_words] => 13360 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580713 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580713
Recirculating hydraulic fluid control valve Jan 20, 2022 Issued
Array ( [id] => 19668130 [patent_doc_number] => 12180865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Latch assembly and valvetrain comprising same [patent_app_type] => utility [patent_app_number] => 18/262153 [patent_app_country] => US [patent_app_date] => 2022-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3507 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18262153 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/262153
Latch assembly and valvetrain comprising same Jan 19, 2022 Issued
Array ( [id] => 19020834 [patent_doc_number] => 20240077005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => SHIFTING STOPPER LATCH ASSEMBLY FOR ROCKER ARM [patent_app_type] => utility [patent_app_number] => 18/261454 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261454 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261454
Shifting stopper latch assembly for rocker arm Jan 13, 2022 Issued
Array ( [id] => 18086040 [patent_doc_number] => 11536165 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-27 [patent_title] => Hydraulic lash assembly and valvetrain implementing same [patent_app_type] => utility [patent_app_number] => 17/573670 [patent_app_country] => US [patent_app_date] => 2022-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5405 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17573670 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/573670
Hydraulic lash assembly and valvetrain implementing same Jan 11, 2022 Issued
Array ( [id] => 17792909 [patent_doc_number] => 20220252000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => ENGINE, OUTBOARD MOTOR, AND WATERCRAFT [patent_app_type] => utility [patent_app_number] => 17/563778 [patent_app_country] => US [patent_app_date] => 2021-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3897 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17563778 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/563778
ENGINE, OUTBOARD MOTOR, AND WATERCRAFT Dec 27, 2021 Abandoned
Array ( [id] => 17891183 [patent_doc_number] => 11454142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Electrically-actuated variable camshaft timing phaser with removable fixture [patent_app_type] => utility [patent_app_number] => 17/556350 [patent_app_country] => US [patent_app_date] => 2021-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 9148 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17556350 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/556350
Electrically-actuated variable camshaft timing phaser with removable fixture Dec 19, 2021 Issued
Array ( [id] => 17713995 [patent_doc_number] => 11377980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-05 [patent_title] => Self-resetting single-valve double-piston hydraulic drive device and method for overhead cam engine [patent_app_type] => utility [patent_app_number] => 17/549915 [patent_app_country] => US [patent_app_date] => 2021-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 12831 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 552 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549915 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549915
Self-resetting single-valve double-piston hydraulic drive device and method for overhead cam engine Dec 13, 2021 Issued
Array ( [id] => 19594681 [patent_doc_number] => 12152511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-26 [patent_title] => Rocker arm valve mechanism [patent_app_type] => utility [patent_app_number] => 18/257059 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2789 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18257059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/257059
Rocker arm valve mechanism Dec 9, 2021 Issued
Array ( [id] => 17990785 [patent_doc_number] => 20220356822 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-10 [patent_title] => COMPRESSION RELEASE TYPE ENGINE BRAKE [patent_app_type] => utility [patent_app_number] => 17/545749 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545749
Compression release type engine brake Dec 7, 2021 Issued
Array ( [id] => 18275082 [patent_doc_number] => 11614018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Exhaust passage structure of internal combustion engine [patent_app_type] => utility [patent_app_number] => 17/643223 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4837 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643223
Exhaust passage structure of internal combustion engine Dec 7, 2021 Issued
Array ( [id] => 18923807 [patent_doc_number] => 20240026811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-25 [patent_title] => EXHAUST GAS TURBOCHARGER WITH CATALYTIC CONVERTER AND HYBRID VEHICLE HAVING SUCH A TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 18/265031 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18265031 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/265031
Exhaust gas turbocharger with catalytic converter and hybrid vehicle having such a turbocharger Nov 23, 2021 Issued
Array ( [id] => 17612389 [patent_doc_number] => 20220154668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-19 [patent_title] => UNIVERSAL VALVE COVER [patent_app_type] => utility [patent_app_number] => 17/528909 [patent_app_country] => US [patent_app_date] => 2021-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3409 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17528909 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/528909
UNIVERSAL VALVE COVER Nov 16, 2021 Abandoned
Array ( [id] => 19142955 [patent_doc_number] => 20240141810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => VALVE STEM SEAL COMPRISING A VALVE ROTATING DEVICE [patent_app_type] => utility [patent_app_number] => 18/550620 [patent_app_country] => US [patent_app_date] => 2021-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5438 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550620 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550620
Valve stem seal comprising a valve rotating device Nov 15, 2021 Issued
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