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] => 9528509 [patent_doc_number] => 08752370 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-06-17 [patent_title] => 'Exhaust aftertreatment system' [patent_app_type] => utility [patent_app_number] => 13/518870 [patent_app_country] => US [patent_app_date] => 2010-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6274 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13518870 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/518870
Exhaust aftertreatment system Dec 8, 2010 Issued
Array ( [id] => 6072305 [patent_doc_number] => 20110138779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-16 [patent_title] => 'Determination of the Linear Correlation Between Signals, Which are Determined by Means of NOx Sensors, in an SCR Exhaust Gas Aftertreatment System' [patent_app_type] => utility [patent_app_number] => 12/963066 [patent_app_country] => US [patent_app_date] => 2010-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4848 [patent_no_of_claims] => 18 [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] => publications/A1/0138/20110138779.pdf [firstpage_image] =>[orig_patent_app_number] => 12963066 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/963066
Determination of the Linear Correlation Between Signals, Which are Determined by Means of NOx Sensors, in an SCR Exhaust Gas Aftertreatment System Dec 7, 2010 Abandoned
Array ( [id] => 5970198 [patent_doc_number] => 20110067385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-24 [patent_title] => 'EXHAUST EMISSION PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/954343 [patent_app_country] => US [patent_app_date] => 2010-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6482 [patent_no_of_claims] => 9 [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] => publications/A1/0067/20110067385.pdf [firstpage_image] =>[orig_patent_app_number] => 12954343 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/954343
EXHAUST EMISSION PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE Nov 23, 2010 Abandoned
Array ( [id] => 6174585 [patent_doc_number] => 20110120092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-05-26 [patent_title] => 'METHOD FOR CONTROLLING FLUID INJECTED QUANTITY IN A NOX REDUCTION SYSTEM EMPLOYING A SCR CATALYIST' [patent_app_type] => utility [patent_app_number] => 12/946754 [patent_app_country] => US [patent_app_date] => 2010-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2328 [patent_no_of_claims] => 17 [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] => publications/A1/0120/20110120092.pdf [firstpage_image] =>[orig_patent_app_number] => 12946754 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/946754
Method for controlling fluid injected quantity in a NOx reduction system employing a SCR catalyst Nov 14, 2010 Issued
Array ( [id] => 8163541 [patent_doc_number] => 20120102919 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'METHOD OF MIXING EXHAUST GAS EXITING AN EXHAUST STACK OUTLET WITH COOLING AIR EXITING A COOLING PACKAGE OUTLET INCLUDING A REGENERATION CONTROL ALGORITHM AND MACHINE USING SAME' [patent_app_type] => utility [patent_app_number] => 12/938775 [patent_app_country] => US [patent_app_date] => 2010-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8952 [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] => publications/A1/0102/20120102919.pdf [firstpage_image] =>[orig_patent_app_number] => 12938775 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/938775
Method of mixing exhaust gas exiting an exhaust stack outlet with cooling air exiting a cooling package outlet including a regeneration control algorithm and machine using same Nov 2, 2010 Issued
Array ( [id] => 8163546 [patent_doc_number] => 20120102921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-05-03 [patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING REGENERATION OF AN EXHAUST AFTER-TREATMENT DEVICE' [patent_app_type] => utility [patent_app_number] => 12/913885 [patent_app_country] => US [patent_app_date] => 2010-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2509 [patent_no_of_claims] => 19 [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] => publications/A1/0102/20120102921.pdf [firstpage_image] =>[orig_patent_app_number] => 12913885 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/913885
SYSTEM AND METHOD FOR CONTROLLING REGENERATION OF AN EXHAUST AFTER-TREATMENT DEVICE Oct 27, 2010 Abandoned
Array ( [id] => 9587212 [patent_doc_number] => 08776744 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-15 [patent_title] => 'Camshaft adjusting assembly' [patent_app_type] => utility [patent_app_number] => 13/505056 [patent_app_country] => US [patent_app_date] => 2010-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2246 [patent_no_of_claims] => 11 [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] => 13505056 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/505056
Camshaft adjusting assembly Oct 27, 2010 Issued
Array ( [id] => 9962490 [patent_doc_number] => 09010090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Exhaust purification system of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/263272 [patent_app_country] => US [patent_app_date] => 2010-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 27 [patent_no_of_words] => 11195 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13263272 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/263272
Exhaust purification system of internal combustion engine Oct 17, 2010 Issued
Array ( [id] => 9619196 [patent_doc_number] => 08789357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-29 [patent_title] => 'Catalyst deterioration detection apparatus and method' [patent_app_type] => utility [patent_app_number] => 13/496049 [patent_app_country] => US [patent_app_date] => 2010-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7077 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13496049 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/496049
Catalyst deterioration detection apparatus and method Aug 31, 2010 Issued
Array ( [id] => 9452916 [patent_doc_number] => 08713913 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-06 [patent_title] => 'Method for operating a particle filter' [patent_app_type] => utility [patent_app_number] => 13/501778 [patent_app_country] => US [patent_app_date] => 2010-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4333 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13501778 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/501778
Method for operating a particle filter Aug 24, 2010 Issued
Array ( [id] => 9689472 [patent_doc_number] => 08820051 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-02 [patent_title] => 'Vehicle oxidation catalyst efficiency model for adaptive control and diagnostics' [patent_app_type] => utility [patent_app_number] => 12/853480 [patent_app_country] => US [patent_app_date] => 2010-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2557 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12853480 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/853480
Vehicle oxidation catalyst efficiency model for adaptive control and diagnostics Aug 9, 2010 Issued
Array ( [id] => 6191712 [patent_doc_number] => 20110023466 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-03 [patent_title] => 'SCR exhaust gas aftertreatment device' [patent_app_type] => utility [patent_app_number] => 12/804896 [patent_app_country] => US [patent_app_date] => 2010-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5355 [patent_no_of_claims] => 23 [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] => publications/A1/0023/20110023466.pdf [firstpage_image] =>[orig_patent_app_number] => 12804896 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/804896
SCR exhaust gas aftertreatment device Jul 29, 2010 Issued
Array ( [id] => 8261514 [patent_doc_number] => 20120160937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-28 [patent_title] => 'METERING MODULE FOR A LIQUID REDUCING AGENT' [patent_app_type] => utility [patent_app_number] => 13/391803 [patent_app_country] => US [patent_app_date] => 2010-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3939 [patent_no_of_claims] => 13 [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] => 13391803 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/391803
Metering module for a liquid reducing agent Jul 28, 2010 Issued
Array ( [id] => 8704296 [patent_doc_number] => 20130061585 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-03-14 [patent_title] => 'INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/699330 [patent_app_country] => US [patent_app_date] => 2010-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6862 [patent_no_of_claims] => 7 [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] => 13699330 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/699330
INTERNAL COMBUSTION ENGINE Jun 27, 2010 Abandoned
Array ( [id] => 6322216 [patent_doc_number] => 20100326052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-30 [patent_title] => 'METHOD FOR MONITORING AMMONIA STORAGE IN AN EXHAUST AFTERTREATMENT SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/818283 [patent_app_country] => US [patent_app_date] => 2010-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4526 [patent_no_of_claims] => 19 [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] => publications/A1/0326/20100326052.pdf [firstpage_image] =>[orig_patent_app_number] => 12818283 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/818283
Method for monitoring ammonia storage in an exhaust aftertreatment system Jun 17, 2010 Issued
Array ( [id] => 9138250 [patent_doc_number] => 08578704 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-12 [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] => 12/816706 [patent_app_country] => US [patent_app_date] => 2010-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4571 [patent_no_of_claims] => 7 [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] => 12816706 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/816706
Assembly and method for reducing nitrogen oxides, carbon monoxide and hydrocarbons in exhausts of internal combustion engines Jun 15, 2010 Issued
Array ( [id] => 7653641 [patent_doc_number] => 20110302910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'Annular Heat Exchanger' [patent_app_type] => utility [patent_app_number] => 12/813830 [patent_app_country] => US [patent_app_date] => 2010-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7668 [patent_no_of_claims] => 11 [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] => publications/A1/0302/20110302910.pdf [firstpage_image] =>[orig_patent_app_number] => 12813830 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/813830
Annular heat exchanger Jun 10, 2010 Issued
Array ( [id] => 8747607 [patent_doc_number] => 08413427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-09 [patent_title] => 'Dosing control systems and methods' [patent_app_type] => utility [patent_app_number] => 12/796062 [patent_app_country] => US [patent_app_date] => 2010-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5462 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12796062 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/796062
Dosing control systems and methods Jun 7, 2010 Issued
Array ( [id] => 8992923 [patent_doc_number] => 08516795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-27 [patent_title] => 'Exhaust gas sensor device, engine control device and method' [patent_app_type] => utility [patent_app_number] => 12/796146 [patent_app_country] => US [patent_app_date] => 2010-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2937 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12796146 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/796146
Exhaust gas sensor device, engine control device and method Jun 7, 2010 Issued
Array ( [id] => 6571079 [patent_doc_number] => 20100307133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-09 [patent_title] => 'EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING THE SAME' [patent_app_type] => utility [patent_app_number] => 12/792845 [patent_app_country] => US [patent_app_date] => 2010-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11083 [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] => publications/A1/0307/20100307133.pdf [firstpage_image] =>[orig_patent_app_number] => 12792845 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/792845
EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING THE SAME Jun 2, 2010 Abandoned
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