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] => 19543742 [patent_doc_number] => 20240360778 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => SELF-CONTAINED COMPRESSION BRAKE CONTROL MODULE FOR INTEGRATED ROCKER ARM ENGINE BRAKING AND METHODS [patent_app_type] => utility [patent_app_number] => 18/765655 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765655
SELF-CONTAINED COMPRESSION BRAKE CONTROL MODULE FOR INTEGRATED ROCKER ARM ENGINE BRAKING AND METHODS Jul 7, 2024 Abandoned
Array ( [id] => 19731537 [patent_doc_number] => 12209528 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Upper structure of engine [patent_app_type] => utility [patent_app_number] => 18/745457 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5345 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745457
Upper structure of engine Jun 16, 2024 Issued
Array ( [id] => 19932386 [patent_doc_number] => 12305585 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-20 [patent_title] => Startup control method for in-cylinder direct injection spark ignition internal combustion engine, and internal combustion engine system [patent_app_type] => utility [patent_app_number] => 18/742309 [patent_app_country] => US [patent_app_date] => 2024-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18742309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/742309
Startup control method for in-cylinder direct injection spark ignition internal combustion engine, and internal combustion engine system Jun 12, 2024 Issued
Array ( [id] => 19601823 [patent_doc_number] => 20240392703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => ENGINE VALVE CONFIGURATION [patent_app_type] => utility [patent_app_number] => 18/671970 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18671970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671970
ENGINE VALVE CONFIGURATION May 21, 2024 Pending
Array ( [id] => 19668131 [patent_doc_number] => 12180866 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-31 [patent_title] => Engine valvetrain deactivation system with switchable rocker arm cam lift [patent_app_type] => utility [patent_app_number] => 18/662889 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5185 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18662889 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662889
Engine valvetrain deactivation system with switchable rocker arm cam lift May 12, 2024 Issued
Array ( [id] => 19601826 [patent_doc_number] => 20240392706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => VALVE TIMING CHANGING DEVICE [patent_app_type] => utility [patent_app_number] => 18/659006 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7847 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659006 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659006
Valve timing changing device May 8, 2024 Issued
Array ( [id] => 19512782 [patent_doc_number] => 20240344468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-17 [patent_title] => VARIABLE VALVE ACTUATION DEVICE FOR ENGINE [patent_app_type] => utility [patent_app_number] => 18/631482 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 442 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631482 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631482
Variable valve actuation device for engine Apr 9, 2024 Issued
Array ( [id] => 19738787 [patent_doc_number] => 12215611 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Spacer equipped to spray oil and rocker arm assembly for valvetrain [patent_app_type] => utility [patent_app_number] => 18/610672 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2679 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [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] => 18610672 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/610672
Spacer equipped to spray oil and rocker arm assembly for valvetrain Mar 19, 2024 Issued
Array ( [id] => 19731527 [patent_doc_number] => 12209518 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Spacer equipped to spray oil for valvetrain in an engine system [patent_app_type] => utility [patent_app_number] => 18/610631 [patent_app_country] => US [patent_app_date] => 2024-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4051 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18610631 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/610631
Spacer equipped to spray oil for valvetrain in an engine system Mar 19, 2024 Issued
Array ( [id] => 19856072 [patent_doc_number] => 12258897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Purification system [patent_app_type] => utility [patent_app_number] => 18/596717 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4767 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18596717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/596717
Purification system Mar 5, 2024 Issued
Array ( [id] => 19910705 [patent_doc_number] => 12286909 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Rocker arm with a reset slider disposed in a lash adjustment assembly [patent_app_type] => utility [patent_app_number] => 18/589518 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 18589518 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/589518
Rocker arm with a reset slider disposed in a lash adjustment assembly Feb 27, 2024 Issued
Array ( [id] => 20202014 [patent_doc_number] => 12404787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Hydraulic valve actuation system with controlled valve seating velocity and method therefor [patent_app_type] => utility [patent_app_number] => 18/432226 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 4744 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432226 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432226
Hydraulic valve actuation system with controlled valve seating velocity and method therefor Feb 4, 2024 Issued
Array ( [id] => 19386797 [patent_doc_number] => 20240276667 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => FIXING STRUCTURE OF CIRCUIT BOARD AND PUMP DEVICE [patent_app_type] => utility [patent_app_number] => 18/421995 [patent_app_country] => US [patent_app_date] => 2024-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18421995 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421995
Fixing structure of circuit board and pump device Jan 24, 2024 Issued
Array ( [id] => 19158460 [patent_doc_number] => 20240151167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => ROCKER ARM ASSEMBLY WITH MAIN ROCKER AND FORKED AUXILIARY ROCKER [patent_app_type] => utility [patent_app_number] => 18/417746 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3595 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417746
Rocker arm assembly with main rocker and forked auxiliary rocker Jan 18, 2024 Issued
Array ( [id] => 19333169 [patent_doc_number] => 20240247599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => VALVE TRAIN DEVICE [patent_app_type] => utility [patent_app_number] => 18/415051 [patent_app_country] => US [patent_app_date] => 2024-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18415051 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/415051
Valve train device Jan 16, 2024 Issued
Array ( [id] => 19505503 [patent_doc_number] => 12116916 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-15 [patent_title] => Exhaust assembly temperature regulation for shutdown [patent_app_type] => utility [patent_app_number] => 18/407357 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5641 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407357 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407357
Exhaust assembly temperature regulation for shutdown Jan 7, 2024 Issued
Array ( [id] => 19390238 [patent_doc_number] => 20240280108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => IMPELLER DRIVING DEVICE FOR COOLING PUMP OF ELECTRIC OUTBOARD DEVICE [patent_app_type] => utility [patent_app_number] => 18/403423 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1769 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18403423 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/403423
Impeller driving device for cooling pump of electric outboard device Jan 2, 2024 Issued
Array ( [id] => 20085873 [patent_doc_number] => 20250215809 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => INTEGRAL MOTOR PUMP OR TURBINE WITH SENSORLESS MONITORING OF AXIAL BEARING WEAR [patent_app_type] => utility [patent_app_number] => 18/402865 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 330 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402865 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402865
Integral motor pump or turbine with sensorless monitoring of axial bearing wear Jan 2, 2024 Issued
Array ( [id] => 19801556 [patent_doc_number] => 20250067481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => SYSTEM AND METHOD FOR ENERGY AND RESOURCE EXTRACTION WITH REDUCED EMISSIONS [patent_app_type] => utility [patent_app_number] => 18/726526 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10959 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18726526 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/726526
System and method for energy and resource extraction with reduced emissions Dec 21, 2023 Issued
Array ( [id] => 19474433 [patent_doc_number] => 12104511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Method for calculating reaction heat in an exhaust system [patent_app_type] => utility [patent_app_number] => 18/390102 [patent_app_country] => US [patent_app_date] => 2023-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3209 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18390102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/390102
Method for calculating reaction heat in an exhaust system Dec 19, 2023 Issued
Menu