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] => 8770354 [patent_doc_number] => 08424295 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-23 [patent_title] => 'Particulate filter regeneration during engine shutdown' [patent_app_type] => utility [patent_app_number] => 12/610991 [patent_app_country] => US [patent_app_date] => 2009-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 13715 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12610991 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/610991
Particulate filter regeneration during engine shutdown Nov 1, 2009 Issued
Array ( [id] => 8736233 [patent_doc_number] => 08407988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-02 [patent_title] => 'Particulate filter regeneration in an engine coupled to an energy conversion device' [patent_app_type] => utility [patent_app_number] => 12/611019 [patent_app_country] => US [patent_app_date] => 2009-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 13632 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12611019 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611019
Particulate filter regeneration in an engine coupled to an energy conversion device Nov 1, 2009 Issued
Array ( [id] => 6111919 [patent_doc_number] => 20110072802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-31 [patent_title] => 'PARTICULATE FILTER REGENERATION IN AN ENGINE' [patent_app_type] => utility [patent_app_number] => 12/611027 [patent_app_country] => US [patent_app_date] => 2009-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 13613 [patent_no_of_claims] => 20 [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] => publications/A1/0072/20110072802.pdf [firstpage_image] =>[orig_patent_app_number] => 12611027 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611027
Particulate filter regeneration in an engine Nov 1, 2009 Issued
Array ( [id] => 6111912 [patent_doc_number] => 20110072800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-31 [patent_title] => 'PARTICULATE FILTER REGENERATION IN AN ENGINE' [patent_app_type] => utility [patent_app_number] => 12/611002 [patent_app_country] => US [patent_app_date] => 2009-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 13719 [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] => publications/A1/0072/20110072800.pdf [firstpage_image] =>[orig_patent_app_number] => 12611002 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611002
Particulate filter regeneration in an engine Nov 1, 2009 Issued
Array ( [id] => 8723643 [patent_doc_number] => 08402751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-03-26 [patent_title] => 'Particulate filter regeneration in an engine' [patent_app_type] => utility [patent_app_number] => 12/611009 [patent_app_country] => US [patent_app_date] => 2009-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 13665 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12611009 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/611009
Particulate filter regeneration in an engine Nov 1, 2009 Issued
Array ( [id] => 6299041 [patent_doc_number] => 20100107615 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-06 [patent_title] => 'REACTANT DELIVERY FOR ENGINE EXHAUST GAS TREATMENT' [patent_app_type] => utility [patent_app_number] => 12/608408 [patent_app_country] => US [patent_app_date] => 2009-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11780 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0107/20100107615.pdf [firstpage_image] =>[orig_patent_app_number] => 12608408 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/608408
Reactant delivery for engine exhaust gas treatment Oct 28, 2009 Issued
Array ( [id] => 5977889 [patent_doc_number] => 20110094206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-28 [patent_title] => 'REDUCTANT INJECTION AND DECOMPOSITION SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/606910 [patent_app_country] => US [patent_app_date] => 2009-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8364 [patent_no_of_claims] => 22 [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] => publications/A1/0094/20110094206.pdf [firstpage_image] =>[orig_patent_app_number] => 12606910 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/606910
Reductant injection and decomposition system Oct 26, 2009 Issued
Array ( [id] => 8131507 [patent_doc_number] => 20120090302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-19 [patent_title] => 'EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/322334 [patent_app_country] => US [patent_app_date] => 2009-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8893 [patent_no_of_claims] => 7 [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/A1/0090/20120090302.pdf [firstpage_image] =>[orig_patent_app_number] => 13322334 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/322334
Exhaust purification system of internal combustion engine Sep 17, 2009 Issued
Array ( [id] => 6097121 [patent_doc_number] => 20110162605 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-07 [patent_title] => 'CAM TORQUE ACTUATED PHASER USING BAND CHECK VALVES BUILT INTO A CAMSHAFT OR CONCENTRIC CAMSHAFTS' [patent_app_type] => utility [patent_app_number] => 13/062005 [patent_app_country] => US [patent_app_date] => 2009-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 6964 [patent_no_of_claims] => 7 [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/A1/0162/20110162605.pdf [firstpage_image] =>[orig_patent_app_number] => 13062005 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/062005
CAM TORQUE ACTUATED PHASER USING BAND CHECK VALVES BUILT INTO A CAMSHAFT OR CONCENTRIC CAMSHAFTS Sep 9, 2009 Abandoned
Array ( [id] => 6097117 [patent_doc_number] => 20110162601 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-07 [patent_title] => 'VALVE TIMING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/063628 [patent_app_country] => US [patent_app_date] => 2009-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 19903 [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/A1/0162/20110162601.pdf [firstpage_image] =>[orig_patent_app_number] => 13063628 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/063628
Valve timing control apparatus Sep 9, 2009 Issued
Array ( [id] => 5961714 [patent_doc_number] => 20110146603 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'METHOD FOR ADJUSTING A CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE, CAMSHAFT ADJUSTMENT SYSTEM, AND INTERNAL COMBUSTION ENGINE HAVING AN ADJUSTABLE CRANKSHAFT' [patent_app_type] => utility [patent_app_number] => 13/060147 [patent_app_country] => US [patent_app_date] => 2009-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3373 [patent_no_of_claims] => 23 [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] => publications/A1/0146/20110146603.pdf [firstpage_image] =>[orig_patent_app_number] => 13060147 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/060147
Method for adjusting a crankshaft of an internal combustion engine, camshaft adjustment system, and internal combustion engine having an adjustable crankshaft Jul 20, 2009 Issued
Array ( [id] => 9164827 [patent_doc_number] => 08590498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-26 [patent_title] => 'Camshaft adjustment device for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/057636 [patent_app_country] => US [patent_app_date] => 2009-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5514 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13057636 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/057636
Camshaft adjustment device for an internal combustion engine Jul 6, 2009 Issued
Array ( [id] => 8930690 [patent_doc_number] => 08490384 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-23 [patent_title] => 'Method for correcting nitrogen oxide emission models' [patent_app_type] => utility [patent_app_number] => 12/992065 [patent_app_country] => US [patent_app_date] => 2009-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3222 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12992065 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/992065
Method for correcting nitrogen oxide emission models May 4, 2009 Issued
Array ( [id] => 6064996 [patent_doc_number] => 20110041478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'Exhaust Gas-Aftertreatment Device and Control Method Thereof' [patent_app_type] => utility [patent_app_number] => 12/988912 [patent_app_country] => US [patent_app_date] => 2009-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5772 [patent_no_of_claims] => 15 [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/A1/0041/20110041478.pdf [firstpage_image] =>[orig_patent_app_number] => 12988912 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/988912
Exhaust Gas-Aftertreatment Device and Control Method Thereof Apr 22, 2009 Abandoned
Array ( [id] => 6002357 [patent_doc_number] => 20110056187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-03-10 [patent_title] => 'METHOD FOR DECREASING NITROGEN OXIDES IN HYDROCARBON-CONTAINING EXHAUST GASES USING AN SCR CATALYST BASED ON A MOLECULAR SIEVE' [patent_app_type] => utility [patent_app_number] => 12/991202 [patent_app_country] => US [patent_app_date] => 2009-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6053 [patent_no_of_claims] => 7 [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/A1/0056/20110056187.pdf [firstpage_image] =>[orig_patent_app_number] => 12991202 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/991202
METHOD FOR DECREASING NITROGEN OXIDES IN HYDROCARBON-CONTAINING EXHAUST GASES USING AN SCR CATALYST BASED ON A MOLECULAR SIEVE Apr 17, 2009 Abandoned
Array ( [id] => 5468356 [patent_doc_number] => 20090241522 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-10-01 [patent_title] => 'System and Method For Improved Emission Control of Internal Combustion Engines Using Pulsed Fuel Flow' [patent_app_type] => utility [patent_app_number] => 12/419032 [patent_app_country] => US [patent_app_date] => 2009-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 13156 [patent_no_of_claims] => 20 [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/A1/0241/20090241522.pdf [firstpage_image] =>[orig_patent_app_number] => 12419032 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/419032
System and method for improved emission control of internal combustion engines using pulsed fuel flow Apr 5, 2009 Issued
Array ( [id] => 8757932 [patent_doc_number] => 08418448 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-04-16 [patent_title] => 'Exhaust gas treatment device for construction machine' [patent_app_type] => utility [patent_app_number] => 12/810615 [patent_app_country] => US [patent_app_date] => 2009-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9141 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12810615 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/810615
Exhaust gas treatment device for construction machine Mar 18, 2009 Issued
Array ( [id] => 8907441 [patent_doc_number] => 08479494 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-07-09 [patent_title] => 'Exhaust gas sensor control system and control method' [patent_app_type] => utility [patent_app_number] => 12/808571 [patent_app_country] => US [patent_app_date] => 2009-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 10179 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12808571 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/808571
Exhaust gas sensor control system and control method Mar 11, 2009 Issued
Array ( [id] => 5922838 [patent_doc_number] => 20110036075 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'Gas Engine' [patent_app_type] => utility [patent_app_number] => 12/989305 [patent_app_country] => US [patent_app_date] => 2009-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5071 [patent_no_of_claims] => 5 [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/A1/0036/20110036075.pdf [firstpage_image] =>[orig_patent_app_number] => 12989305 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/989305
Gas Engine Mar 4, 2009 Abandoned
Array ( [id] => 9024474 [patent_doc_number] => 08534046 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Apparatus and method for diagnosing catalyst deterioration' [patent_app_type] => utility [patent_app_number] => 12/812350 [patent_app_country] => US [patent_app_date] => 2009-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 20 [patent_no_of_words] => 13044 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12812350 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/812350
Apparatus and method for diagnosing catalyst deterioration Feb 26, 2009 Issued
Menu