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] => 11507845 [patent_doc_number] => 09598995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-21 [patent_title] => 'Method and system for controlling the operation of a system for storing and injecting an additive into the exhaust gases of an engine' [patent_app_type] => utility [patent_app_number] => 14/442795 [patent_app_country] => US [patent_app_date] => 2013-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2075 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14442795 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/442795
Method and system for controlling the operation of a system for storing and injecting an additive into the exhaust gases of an engine Nov 13, 2013 Issued
Array ( [id] => 9962486 [patent_doc_number] => 09010087 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-04-21 [patent_title] => 'Method and system for NOx sensor degradation' [patent_app_type] => utility [patent_app_number] => 14/079475 [patent_app_country] => US [patent_app_date] => 2013-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9708 [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] => 14079475 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/079475
Method and system for NOx sensor degradation Nov 12, 2013 Issued
Array ( [id] => 9599757 [patent_doc_number] => 20140196438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-17 [patent_title] => 'ASSEMBLY AND METHOD FOR REDUCING NITROGEN OXIDES, CARBON MONOXIDE AND HYDROCARBONS IN EXHAUSTS OF INTERNAL COMBUSTION ENGINES' [patent_app_type] => utility [patent_app_number] => 14/077607 [patent_app_country] => US [patent_app_date] => 2013-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4563 [patent_no_of_claims] => 8 [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] => 14077607 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/077607
Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion engines Nov 11, 2013 Issued
Array ( [id] => 11583481 [patent_doc_number] => 09638110 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Natural gas engine and operation method for natural gas engine' [patent_app_type] => utility [patent_app_number] => 14/648023 [patent_app_country] => US [patent_app_date] => 2013-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 11637 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14648023 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/648023
Natural gas engine and operation method for natural gas engine Nov 7, 2013 Issued
Array ( [id] => 9333229 [patent_doc_number] => 20140060011 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-06 [patent_title] => 'METHOD, SYSTEM, AND DEVICE FOR DECONTAMINATING POLLUTED COMBUSTION GAS USING VOLCANIC ROCK' [patent_app_type] => utility [patent_app_number] => 14/074465 [patent_app_country] => US [patent_app_date] => 2013-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 12497 [patent_no_of_claims] => 24 [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] => 14074465 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/074465
METHOD, SYSTEM, AND DEVICE FOR DECONTAMINATING POLLUTED COMBUSTION GAS USING VOLCANIC ROCK Nov 6, 2013 Abandoned
Array ( [id] => 10500097 [patent_doc_number] => 09228493 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-05 [patent_title] => 'Heat shield structure and engine cover' [patent_app_type] => utility [patent_app_number] => 14/421027 [patent_app_country] => US [patent_app_date] => 2013-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3269 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14421027 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/421027
Heat shield structure and engine cover Nov 3, 2013 Issued
Array ( [id] => 9920424 [patent_doc_number] => 08978372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-17 [patent_title] => 'V-type engine, outboard motor, and vessle' [patent_app_type] => utility [patent_app_number] => 14/070619 [patent_app_country] => US [patent_app_date] => 2013-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 35 [patent_no_of_words] => 24806 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14070619 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/070619
V-type engine, outboard motor, and vessle Nov 3, 2013 Issued
Array ( [id] => 11263788 [patent_doc_number] => 09488080 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-08 [patent_title] => 'Exhaust gas purification apparatus for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/655107 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6353 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14655107 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/655107
Exhaust gas purification apparatus for internal combustion engine Oct 30, 2013 Issued
Array ( [id] => 10375052 [patent_doc_number] => 20150260059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-17 [patent_title] => 'DECOMPRESSION DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/440764 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4017 [patent_no_of_claims] => 8 [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] => 14440764 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/440764
Decompression device for internal combustion engine Oct 30, 2013 Issued
Array ( [id] => 9359212 [patent_doc_number] => 20140069084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-13 [patent_title] => 'Metering System for Spraying a Urea Solution into the Exhaust Gas Stream of an Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 14/066917 [patent_app_country] => US [patent_app_date] => 2013-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4191 [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] => 14066917 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/066917
Metering System for Spraying a Urea Solution into the Exhaust Gas Stream of an Internal Combustion Engine Oct 29, 2013 Abandoned
Array ( [id] => 9962491 [patent_doc_number] => 09010092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Method and apparatus for controlling urea injection amount of vehicle' [patent_app_type] => utility [patent_app_number] => 14/064788 [patent_app_country] => US [patent_app_date] => 2013-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3072 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [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] => 14064788 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/064788
Method and apparatus for controlling urea injection amount of vehicle Oct 27, 2013 Issued
Array ( [id] => 10136440 [patent_doc_number] => 09169756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-27 [patent_title] => 'Exhaust gas cooler for cooling combustion exhaust gas of an internal combustion engine, water collecting adapter, exhaust gas cooling system and method for manufacturing an exhaust gas cooling system' [patent_app_type] => utility [patent_app_number] => 14/058875 [patent_app_country] => US [patent_app_date] => 2013-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3366 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14058875 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/058875
Exhaust gas cooler for cooling combustion exhaust gas of an internal combustion engine, water collecting adapter, exhaust gas cooling system and method for manufacturing an exhaust gas cooling system Oct 20, 2013 Issued
Array ( [id] => 10516534 [patent_doc_number] => 09243575 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-01-26 [patent_title] => 'Apparatus for controlling the learning of the air fuel ratio of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/419388 [patent_app_country] => US [patent_app_date] => 2013-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 11955 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14419388 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/419388
Apparatus for controlling the learning of the air fuel ratio of an internal combustion engine Oct 15, 2013 Issued
Array ( [id] => 9290050 [patent_doc_number] => 20140033684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-06 [patent_title] => 'METHOD FOR OPERATING AN SCR DOSING UNIT AND MOTOR VEHICLE HAVING A DOSING UNIT' [patent_app_type] => utility [patent_app_number] => 14/053761 [patent_app_country] => US [patent_app_date] => 2013-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4171 [patent_no_of_claims] => 10 [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] => 14053761 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/053761
Method for operating an SCR dosing unit and motor vehicle having a dosing unit Oct 14, 2013 Issued
Array ( [id] => 10097658 [patent_doc_number] => 09133962 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Exhaust gas system component for internal combustion engine and method of manufacturing an exhaust gas system component' [patent_app_type] => utility [patent_app_number] => 14/046116 [patent_app_country] => US [patent_app_date] => 2013-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2092 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14046116 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/046116
Exhaust gas system component for internal combustion engine and method of manufacturing an exhaust gas system component Oct 3, 2013 Issued
Array ( [id] => 10928637 [patent_doc_number] => 20140331658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-11-13 [patent_title] => 'EXHAUST SYSTEM FOR AN OFF-ROAD VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/122629 [patent_app_country] => US [patent_app_date] => 2013-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4589 [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] => 14122629 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122629
Exhaust system for an off-road vehicle Sep 29, 2013 Issued
Array ( [id] => 11219413 [patent_doc_number] => 09447743 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-20 [patent_title] => 'Exhaust gas purification system and exhaust gas purification method' [patent_app_type] => utility [patent_app_number] => 14/434206 [patent_app_country] => US [patent_app_date] => 2013-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9318 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14434206 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/434206
Exhaust gas purification system and exhaust gas purification method Sep 26, 2013 Issued
Array ( [id] => 9379601 [patent_doc_number] => 20140083082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'METHOD FOR REGENERATING A NITROGEN OXIDE STORAGE CATALYTIC CONVERTER AND A DEVICE FOR THIS PURPOSE' [patent_app_type] => utility [patent_app_number] => 14/032227 [patent_app_country] => US [patent_app_date] => 2013-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6295 [patent_no_of_claims] => 12 [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] => 14032227 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/032227
Method for regenerating a nitrogen oxide storage catalytic converter and a device for this purpose Sep 19, 2013 Issued
Array ( [id] => 10355694 [patent_doc_number] => 20150240698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'ENGINE DEVICE' [patent_app_type] => utility [patent_app_number] => 14/427840 [patent_app_country] => US [patent_app_date] => 2013-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 11463 [patent_no_of_claims] => 4 [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] => 14427840 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/427840
Engine device Sep 12, 2013 Issued
Array ( [id] => 10638701 [patent_doc_number] => 09356215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-31 [patent_title] => 'Thermoelectric generator' [patent_app_type] => utility [patent_app_number] => 14/423199 [patent_app_country] => US [patent_app_date] => 2013-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 36 [patent_no_of_words] => 23093 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14423199 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/423199
Thermoelectric generator Sep 9, 2013 Issued
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