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] => 9030322 [patent_doc_number] => 20130232960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-12 [patent_title] => 'DUAL PIPE EXHAUST MANIFOLD' [patent_app_type] => utility [patent_app_number] => 13/785785 [patent_app_country] => US [patent_app_date] => 2013-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4982 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13785785 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/785785
DUAL PIPE EXHAUST MANIFOLD Mar 4, 2013 Abandoned
Array ( [id] => 9030320 [patent_doc_number] => 20130232958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-12 [patent_title] => 'SYSTEM AND METHOD TO MANAGE SCR CATALYST NO2/NOX RATIO' [patent_app_type] => utility [patent_app_number] => 13/771703 [patent_app_country] => US [patent_app_date] => 2013-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5338 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13771703 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/771703
System and method to manage SCR catalyst NO2/NOX ratio Feb 19, 2013 Issued
Array ( [id] => 9309658 [patent_doc_number] => 08650867 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-18 [patent_title] => 'Exhaust manifolds including heat shield assemblies' [patent_app_type] => utility [patent_app_number] => 13/769495 [patent_app_country] => US [patent_app_date] => 2013-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3872 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13769495 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/769495
Exhaust manifolds including heat shield assemblies Feb 17, 2013 Issued
Array ( [id] => 10216320 [patent_doc_number] => 20150101311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-16 [patent_title] => 'Exhaust Mixer, Emissions Cleaning Module and Method' [patent_app_type] => utility [patent_app_number] => 14/395012 [patent_app_country] => US [patent_app_date] => 2013-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5752 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14395012 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/395012
Exhaust mixer, emissions cleaning module and method Feb 13, 2013 Issued
Array ( [id] => 10874246 [patent_doc_number] => 08899027 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-12-02 [patent_title] => 'Hybrid electric vehicle particulate regeneration method and system' [patent_app_type] => utility [patent_app_number] => 13/735576 [patent_app_country] => US [patent_app_date] => 2013-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3816 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13735576 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/735576
Hybrid electric vehicle particulate regeneration method and system Jan 6, 2013 Issued
Array ( [id] => 9969054 [patent_doc_number] => 09016046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-28 [patent_title] => 'Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type' [patent_app_type] => utility [patent_app_number] => 13/733083 [patent_app_country] => US [patent_app_date] => 2013-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 9486 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13733083 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/733083
Internal combustion engine with exhaust-gas aftertreatment arrangement and method for operating an internal combustion engine of said type Jan 1, 2013 Issued
Array ( [id] => 9556345 [patent_doc_number] => 20140174057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-26 [patent_title] => 'Exhaust Gas Aftertreatment Module' [patent_app_type] => utility [patent_app_number] => 13/727203 [patent_app_country] => US [patent_app_date] => 2012-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5596 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13727203 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/727203
Exhaust gas aftertreatment module Dec 25, 2012 Issued
Array ( [id] => 10963485 [patent_doc_number] => 20140366516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-18 [patent_title] => 'ENGINE APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/368963 [patent_app_country] => US [patent_app_date] => 2012-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 7104 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14368963 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/368963
Engine apparatus Dec 25, 2012 Issued
Array ( [id] => 10445262 [patent_doc_number] => 20150330276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/653912 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 15599 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14653912 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/653912
Internal combustion engine Dec 19, 2012 Issued
Array ( [id] => 10848819 [patent_doc_number] => 08875493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-04 [patent_title] => 'Reactant delivery for engine exhaust gas treatment' [patent_app_type] => utility [patent_app_number] => 13/722252 [patent_app_country] => US [patent_app_date] => 2012-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 11789 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13722252 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/722252
Reactant delivery for engine exhaust gas treatment Dec 19, 2012 Issued
Array ( [id] => 9063481 [patent_doc_number] => 20130255237 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'EXHAUST SYSTEM FOR VARIABLE CYLINDER ENGINE' [patent_app_type] => utility [patent_app_number] => 13/720297 [patent_app_country] => US [patent_app_date] => 2012-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10172 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13720297 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/720297
Exhaust system for variable cylinder engine Dec 18, 2012 Issued
Array ( [id] => 9540889 [patent_doc_number] => 20140165537 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-19 [patent_title] => 'ZERO CERIA WASHCOAT CATALYST MONITOR' [patent_app_type] => utility [patent_app_number] => 13/716639 [patent_app_country] => US [patent_app_date] => 2012-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3600 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13716639 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/716639
Zero ceria washcoat catalyst monitor Dec 16, 2012 Issued
Array ( [id] => 9333908 [patent_doc_number] => 20140060690 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-06 [patent_title] => 'EXHAUST SYSTEM FOR BETWEEN A TURBOCHARGER AND CATALYTIC CONVERTER' [patent_app_type] => utility [patent_app_number] => 13/717438 [patent_app_country] => US [patent_app_date] => 2012-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2513 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13717438 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/717438
EXHAUST SYSTEM FOR BETWEEN A TURBOCHARGER AND CATALYTIC CONVERTER Dec 16, 2012 Abandoned
Array ( [id] => 10949263 [patent_doc_number] => 20140352285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-12-04 [patent_title] => 'INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/365681 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1497 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14365681 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/365681
Internal combustion engine Dec 12, 2012 Issued
Array ( [id] => 9748144 [patent_doc_number] => 08839607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-23 [patent_title] => 'Ejector in conjunction with post-catalyst exhaust throttle for vacuum generation' [patent_app_type] => utility [patent_app_number] => 13/713982 [patent_app_country] => US [patent_app_date] => 2012-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9115 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13713982 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/713982
Ejector in conjunction with post-catalyst exhaust throttle for vacuum generation Dec 12, 2012 Issued
Array ( [id] => 8879363 [patent_doc_number] => 20130152547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'Toroidal Combustion Chamber With Side Injection' [patent_app_type] => utility [patent_app_number] => 13/711683 [patent_app_country] => US [patent_app_date] => 2012-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2195 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13711683 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/711683
Shared EGR system and method for a dual-module engine Dec 11, 2012 Issued
Array ( [id] => 9533118 [patent_doc_number] => 20140157764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'Auxiliary Power and Emission-Control System Using Vented Gaseous Fuel Recovery and Method' [patent_app_type] => utility [patent_app_number] => 13/709460 [patent_app_country] => US [patent_app_date] => 2012-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13709460 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/709460
Auxiliary power and emission-control system using vented gaseous fuel recovery and method Dec 9, 2012 Issued
Array ( [id] => 9788312 [patent_doc_number] => 20150000257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-01 [patent_title] => 'ACTIVE REGENERATION CONTROL DEVICE FOR A DIESEL PARTICULATE FILTER' [patent_app_type] => utility [patent_app_number] => 14/368168 [patent_app_country] => US [patent_app_date] => 2012-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4245 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14368168 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/368168
Active regeneration control device for a diesel particulate filter Dec 3, 2012 Issued
Array ( [id] => 9715177 [patent_doc_number] => 20140250874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-09-11 [patent_title] => 'EXHAUST DEVICE FOR MULTICYLINDER ENGINE' [patent_app_type] => utility [patent_app_number] => 14/346940 [patent_app_country] => US [patent_app_date] => 2012-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10983 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14346940 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/346940
Exhaust device for multicylinder engine Nov 26, 2012 Issued
Array ( [id] => 10104388 [patent_doc_number] => 09140164 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Exhaust gas purification device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/360809 [patent_app_country] => US [patent_app_date] => 2012-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6613 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14360809 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/360809
Exhaust gas purification device for internal combustion engine Nov 20, 2012 Issued
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