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] => 16284324 [patent_doc_number] => 20200277926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-03 [patent_title] => CAMSHAFT PHASER INCLUDING A HEAT-TREATED TARGET WHEEL [patent_app_type] => utility [patent_app_number] => 16/288177 [patent_app_country] => US [patent_app_date] => 2019-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16288177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/288177
CAMSHAFT PHASER INCLUDING A HEAT-TREATED TARGET WHEEL Feb 27, 2019 Abandoned
Array ( [id] => 15040005 [patent_doc_number] => 20190331007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-31 [patent_title] => ENGINE [patent_app_type] => utility [patent_app_number] => 16/285946 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5456 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16285946 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285946
ENGINE Feb 25, 2019 Abandoned
Array ( [id] => 14931357 [patent_doc_number] => 20190301316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => DECOMPRESSION DEVICE FOR INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/282985 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16282985 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/282985
Decompression device for internal combustion engine Feb 21, 2019 Issued
Array ( [id] => 17657820 [patent_doc_number] => 20220178285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => METHOD AND APPARATUS TO ENHANCE FRACTIONAL EFFICIENCY OF DIESEL AND GASOLINE PARTICULATE FILTERS [patent_app_type] => utility [patent_app_number] => 17/430645 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5781 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430645 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430645
Method and apparatus to enhance fractional efficiency of diesel and gasoline particulate filters Feb 14, 2019 Issued
Array ( [id] => 16468911 [patent_doc_number] => 20200370448 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-26 [patent_title] => ENGINE SYSTEM AND COMPONENETS FOR CYLINDER DEACTIVATION AND EARLY EXHAUST VALVE OPENING [patent_app_type] => utility [patent_app_number] => 16/970457 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16970457 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/970457
Engine system and components for cylinder deactivation and early exhaust valve opening Feb 13, 2019 Issued
Array ( [id] => 15697917 [patent_doc_number] => 10605129 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-03-31 [patent_title] => System and method for mounting a cam phaser [patent_app_type] => utility [patent_app_number] => 16/272434 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4139 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [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] => 16272434 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272434
System and method for mounting a cam phaser Feb 10, 2019 Issued
Array ( [id] => 14408371 [patent_doc_number] => 20190170029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => CAM PHASER [patent_app_type] => utility [patent_app_number] => 16/266830 [patent_app_country] => US [patent_app_date] => 2019-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2754 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16266830 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/266830
Cam phaser Feb 3, 2019 Issued
Array ( [id] => 16743812 [patent_doc_number] => 10968788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-06 [patent_title] => Two-part lifter assembly [patent_app_type] => utility [patent_app_number] => 16/755742 [patent_app_country] => US [patent_app_date] => 2019-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3832 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16755742 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/755742
Two-part lifter assembly Jan 30, 2019 Issued
Array ( [id] => 17104921 [patent_doc_number] => 11125124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Pneumatic system for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/960670 [patent_app_country] => US [patent_app_date] => 2019-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16960670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/960670
Pneumatic system for an internal combustion engine Jan 17, 2019 Issued
Array ( [id] => 17104921 [patent_doc_number] => 11125124 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Pneumatic system for an internal combustion engine [patent_app_type] => utility [patent_app_number] => 16/960670 [patent_app_country] => US [patent_app_date] => 2019-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 15944 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16960670 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/960670
Pneumatic system for an internal combustion engine Jan 17, 2019 Issued
Array ( [id] => 14717087 [patent_doc_number] => 20190249607 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => ENGINE CONTROLLER [patent_app_type] => utility [patent_app_number] => 16/249662 [patent_app_country] => US [patent_app_date] => 2019-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16249662 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/249662
ENGINE CONTROLLER Jan 15, 2019 Abandoned
Array ( [id] => 18129222 [patent_doc_number] => 11555423 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-17 [patent_title] => Multi-mode valve lift [patent_app_type] => utility [patent_app_number] => 16/961795 [patent_app_country] => US [patent_app_date] => 2019-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 29 [patent_no_of_words] => 6547 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 422 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16961795 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/961795
Multi-mode valve lift Jan 10, 2019 Issued
Array ( [id] => 15916549 [patent_doc_number] => 10655508 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-19 [patent_title] => Valve body assembly for idler shaft mounted camshaft phasing system [patent_app_type] => utility [patent_app_number] => 16/239975 [patent_app_country] => US [patent_app_date] => 2019-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3959 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16239975 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/239975
Valve body assembly for idler shaft mounted camshaft phasing system Jan 3, 2019 Issued
Array ( [id] => 17461015 [patent_doc_number] => 20220074320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => VARIABLE VALVE DRIVING MECHANISM OF ENGINE, AND ENGINE [patent_app_type] => utility [patent_app_number] => 17/419258 [patent_app_country] => US [patent_app_date] => 2018-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17419258 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419258
Variable valve driving mechanism of engine, and engine Dec 28, 2018 Issued
Array ( [id] => 17444634 [patent_doc_number] => 20220065139 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => ENGINE VALVE ACTUATION [patent_app_type] => utility [patent_app_number] => 17/416020 [patent_app_country] => US [patent_app_date] => 2018-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17416020 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416020
Engine valve actuation Dec 18, 2018 Issued
Array ( [id] => 16437773 [patent_doc_number] => 20200355099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => Valvetrain for an Internal Combustion Engine, in Particular of a Motor Vehicle [patent_app_type] => utility [patent_app_number] => 16/963025 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5999 [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] => 16963025 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/963025
Valvetrain for an internal combustion engine, in particular of a motor vehicle Dec 11, 2018 Issued
Array ( [id] => 15949867 [patent_doc_number] => 10662828 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-26 [patent_title] => Camshaft phaser [patent_app_type] => utility [patent_app_number] => 16/216561 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11491 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16216561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/216561
Camshaft phaser Dec 10, 2018 Issued
Array ( [id] => 15949867 [patent_doc_number] => 10662828 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-26 [patent_title] => Camshaft phaser [patent_app_type] => utility [patent_app_number] => 16/216561 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11491 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16216561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/216561
Camshaft phaser Dec 10, 2018 Issued
Array ( [id] => 15949867 [patent_doc_number] => 10662828 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-26 [patent_title] => Camshaft phaser [patent_app_type] => utility [patent_app_number] => 16/216561 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11491 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16216561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/216561
Camshaft phaser Dec 10, 2018 Issued
Array ( [id] => 15949867 [patent_doc_number] => 10662828 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-26 [patent_title] => Camshaft phaser [patent_app_type] => utility [patent_app_number] => 16/216561 [patent_app_country] => US [patent_app_date] => 2018-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 11491 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16216561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/216561
Camshaft phaser Dec 10, 2018 Issued
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