
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] => 19779032
[patent_doc_number] => 12228056
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2025-02-18
[patent_title] => Active hydrocarbon trap for reduction of emissions from internal combustion engines using an electrically-heated catalyst
[patent_app_type] => utility
[patent_app_number] => 18/390839
[patent_app_country] => US
[patent_app_date] => 2023-12-20
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Array
(
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[patent_doc_number] => 20240280037
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[patent_kind] => A1
[patent_issue_date] => 2024-08-22
[patent_title] => VALVE ACTUATION SYSTEM COMPRISING ROCKER ASSEMBLIES SHARING AN OUTPUT ROCKER
[patent_app_type] => utility
[patent_app_number] => 18/542631
[patent_app_country] => US
[patent_app_date] => 2023-12-16
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Array
(
[id] => 19258551
[patent_doc_number] => 12018599
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[patent_kind] => B1
[patent_issue_date] => 2024-06-25
[patent_title] => Valve actuation system comprising rocker assemblies with one-way coupling therebetween
[patent_app_type] => utility
[patent_app_number] => 18/540611
[patent_app_country] => US
[patent_app_date] => 2023-12-14
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Array
(
[id] => 19492114
[patent_doc_number] => 12110813
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[patent_kind] => B1
[patent_issue_date] => 2024-10-08
[patent_title] => Concentric camshaft for variable valve timing and method of manufacturing by metal additive process and disintegrable barrier to preserve interstitial void spaces and method of removal
[patent_app_type] => utility
[patent_app_number] => 18/536301
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Array
(
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[patent_kind] => B1
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[patent_title] => Vehicle system
[patent_app_type] => utility
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Array
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[patent_title] => No Lash Dual Stem I.C.E. valve
[patent_app_type] => utility
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Array
(
[id] => 19608963
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[patent_issue_date] => 2024-12-03
[patent_title] => Use of coating compositions for wind turbine blades
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/486199 | Use of coating compositions for wind turbine blades | Oct 12, 2023 | Issued |
Array
(
[id] => 18955941
[patent_doc_number] => 20240044268
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[patent_kind] => A1
[patent_issue_date] => 2024-02-08
[patent_title] => DRIVING DEVICES FOR A COMPOSITE ENGINE VALVE OF A DEDICATED DRIVING CAM
[patent_app_type] => utility
[patent_app_number] => 18/487033
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/487033 | Driving devices for a composite engine valve of a dedicated driving cam | Oct 12, 2023 | Issued |
Array
(
[id] => 18955940
[patent_doc_number] => 20240044267
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[patent_kind] => A1
[patent_issue_date] => 2024-02-08
[patent_title] => VALVE ACTUATORS FOR SPECIALIZED STATIONARY TWO-PISTON HYDRAULIC ENGINES
[patent_app_type] => utility
[patent_app_number] => 18/485338
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/485338 | Valve actuators for specialized stationary two-piston hydraulic engines | Oct 11, 2023 | Issued |
Array
(
[id] => 19113504
[patent_doc_number] => 20240125254
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[patent_kind] => A1
[patent_issue_date] => 2024-04-18
[patent_title] => DISCRETE LOST MOTION DEVICE
[patent_app_type] => utility
[patent_app_number] => 18/484045
[patent_app_country] => US
[patent_app_date] => 2023-10-10
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/484045 | DISCRETE LOST MOTION DEVICE | Oct 9, 2023 | Pending |
Array
(
[id] => 19412280
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[patent_issue_date] => 2024-09-03
[patent_title] => Deactivating rocker arm and capsules
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Array
(
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[patent_title] => System and method for variable valve timing
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Array
(
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[patent_title] => VARIABLE VALVE DEVICE
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Array
(
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Array
(
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[patent_title] => Adjustable reverse rotation camshaft drive mechanism
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Array
(
[id] => 19594682
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[patent_title] => Rocker arm assembly comprising swing bridge
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Array
(
[id] => 18879913
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[patent_title] => Gas Introduction Assembly for Introducing Gas, in Particular Air, into an Exhaust Gas System of an Internal Combustion Engine
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/346710 | Gas introduction assembly for introducing gas, in particular air, into an exhaust gas system of an internal combustion engine | Jul 2, 2023 | Issued |
Array
(
[id] => 20041722
[patent_doc_number] => 20250179944
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[patent_title] => ROCKER SYSTEM WITH STOPPER ARRANGEMENT ON CAM SIDE
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Array
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[patent_title] => SELF-CONTAINED COMPRESSION BRAKE CONTROL MODULE FOR INTEGRATED ROCKER ARM ENGINE BRAKING AND METHODS
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/211890 | Self-contained compression brake control module for integrated rocker arm engine braking and methods | Jun 19, 2023 | Issued |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/336654 | Installation structure for oil control valve | Jun 15, 2023 | Issued |