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] => 5425028 [patent_doc_number] => 20090084338 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-04-02 [patent_title] => 'EXHAUST CONTROL DEVICE FOR VEHICLE ENGINE' [patent_app_type] => utility [patent_app_number] => 12/238249 [patent_app_country] => US [patent_app_date] => 2008-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 12531 [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/A1/0084/20090084338.pdf [firstpage_image] =>[orig_patent_app_number] => 12238249 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/238249
Exhaust control device for vehicle engine Sep 24, 2008 Issued
Array ( [id] => 8953780 [patent_doc_number] => 08499546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-06 [patent_title] => 'Methods for reducing engine exhaust emissions' [patent_app_type] => utility [patent_app_number] => 12/201564 [patent_app_country] => US [patent_app_date] => 2008-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4167 [patent_no_of_claims] => 23 [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] => 12201564 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/201564
Methods for reducing engine exhaust emissions Aug 28, 2008 Issued
Array ( [id] => 6444916 [patent_doc_number] => 20100089035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-04-15 [patent_title] => 'EXHAUST GAS CLEANING SYSTEM FOR CONSTRUCTION MACHINE' [patent_app_type] => utility [patent_app_number] => 12/523810 [patent_app_country] => US [patent_app_date] => 2008-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7900 [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/A1/0089/20100089035.pdf [firstpage_image] =>[orig_patent_app_number] => 12523810 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/523810
Exhaust gas cleaning system for construction machine Aug 5, 2008 Issued
Array ( [id] => 8575737 [patent_doc_number] => 08341941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-01-01 [patent_title] => 'Exhaust purification device of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/522183 [patent_app_country] => US [patent_app_date] => 2008-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4880 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12522183 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/522183
Exhaust purification device of internal combustion engine Jul 1, 2008 Issued
Array ( [id] => 8525815 [patent_doc_number] => 08302378 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Degradation diagnosis device for catalyst' [patent_app_type] => utility [patent_app_number] => 12/521710 [patent_app_country] => US [patent_app_date] => 2008-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7186 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12521710 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521710
Degradation diagnosis device for catalyst Jun 3, 2008 Issued
Array ( [id] => 11198887 [patent_doc_number] => 09429090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-30 [patent_title] => 'Method of estimating catalyst temperature of a multi-displacement internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/132685 [patent_app_country] => US [patent_app_date] => 2008-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4040 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12132685 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/132685
Method of estimating catalyst temperature of a multi-displacement internal combustion engine Jun 3, 2008 Issued
Array ( [id] => 6422757 [patent_doc_number] => 20100186372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-29 [patent_title] => 'METHOD FOR REGENERATING A PARTICULATE FILTER OF AN INTERNAL-COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/602209 [patent_app_country] => US [patent_app_date] => 2008-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1724 [patent_no_of_claims] => 21 [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/A1/0186/20100186372.pdf [firstpage_image] =>[orig_patent_app_number] => 12602209 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/602209
Method for regenerating a particulate filter of an internal-combustion engine May 27, 2008 Issued
Array ( [id] => 6065017 [patent_doc_number] => 20110041487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-24 [patent_title] => 'CATALYST APPARATUS AND EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/990616 [patent_app_country] => US [patent_app_date] => 2008-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8916 [patent_no_of_claims] => 17 [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/A1/0041/20110041487.pdf [firstpage_image] =>[orig_patent_app_number] => 12990616 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/990616
Catalyst apparatus and exhaust gas purification system for internal combustion engine May 1, 2008 Issued
Array ( [id] => 5922840 [patent_doc_number] => 20110036077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/989594 [patent_app_country] => US [patent_app_date] => 2008-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5476 [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] => publications/A1/0036/20110036077.pdf [firstpage_image] =>[orig_patent_app_number] => 12989594 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/989594
EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE Apr 24, 2008 Abandoned
Array ( [id] => 6392497 [patent_doc_number] => 20100146937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-17 [patent_title] => 'Exhaust Purification Device of Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 12/226608 [patent_app_country] => US [patent_app_date] => 2008-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5628 [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/A1/0146/20100146937.pdf [firstpage_image] =>[orig_patent_app_number] => 12226608 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/226608
Exhaust purification device of internal combustion engine Apr 2, 2008 Issued
Array ( [id] => 6244608 [patent_doc_number] => 20100024399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/521010 [patent_app_country] => US [patent_app_date] => 2008-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 21288 [patent_no_of_claims] => 17 [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/A1/0024/20100024399.pdf [firstpage_image] =>[orig_patent_app_number] => 12521010 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521010
Exhaust gas control apparatus for internal combustion engine Mar 13, 2008 Issued
Array ( [id] => 8467864 [patent_doc_number] => 08297040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-10-30 [patent_title] => 'Diagnostic method and device for operating an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/524750 [patent_app_country] => US [patent_app_date] => 2008-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3945 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12524750 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/524750
Diagnostic method and device for operating an internal combustion engine Feb 3, 2008 Issued
Array ( [id] => 6400277 [patent_doc_number] => 20100139267 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-06-10 [patent_title] => 'SECONDARY AIR SYSTEM FOR A COMBUSTION ENGINE BREATHING SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/523371 [patent_app_country] => US [patent_app_date] => 2008-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5153 [patent_no_of_claims] => 54 [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/A1/0139/20100139267.pdf [firstpage_image] =>[orig_patent_app_number] => 12523371 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/523371
SECONDARY AIR SYSTEM FOR A COMBUSTION ENGINE BREATHING SYSTEM Jan 26, 2008 Abandoned
Array ( [id] => 8525818 [patent_doc_number] => 08302381 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2012-11-06 [patent_title] => 'Method for controlling the temperature of the exhaust gases of a thermal engine' [patent_app_type] => utility [patent_app_number] => 12/521638 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5818 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 451 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12521638 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521638
Method for controlling the temperature of the exhaust gases of a thermal engine Dec 20, 2007 Issued
Array ( [id] => 6143318 [patent_doc_number] => 20110016854 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-01-27 [patent_title] => 'APPARATUS AND METHOD FOR INJECTION OF A FLUID FOR AN EXHAUST GASES TREATMENT DEVICE' [patent_app_type] => utility [patent_app_number] => 12/809405 [patent_app_country] => US [patent_app_date] => 2007-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3885 [patent_no_of_claims] => 16 [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/A1/0016/20110016854.pdf [firstpage_image] =>[orig_patent_app_number] => 12809405 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/809405
Apparatus and method for injection of a fluid for an exhaust gases treatment device Dec 20, 2007 Issued
Array ( [id] => 6549005 [patent_doc_number] => 20100058742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-11 [patent_title] => 'EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/520950 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7056 [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] => publications/A1/0058/20100058742.pdf [firstpage_image] =>[orig_patent_app_number] => 12520950 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/520950
EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Dec 19, 2007 Abandoned
Array ( [id] => 6528291 [patent_doc_number] => 20100043406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-25 [patent_title] => 'EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/520555 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7308 [patent_no_of_claims] => 5 [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/A1/0043/20100043406.pdf [firstpage_image] =>[orig_patent_app_number] => 12520555 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/520555
EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Dec 19, 2007 Abandoned
Array ( [id] => 6244598 [patent_doc_number] => 20100024398 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-02-04 [patent_title] => 'EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/520998 [patent_app_country] => US [patent_app_date] => 2007-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10851 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0024/20100024398.pdf [firstpage_image] =>[orig_patent_app_number] => 12520998 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/520998
EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Dec 19, 2007 Abandoned
Array ( [id] => 6290982 [patent_doc_number] => 20100064665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-18 [patent_title] => 'METHOD AND DESULFURIZING NITROGEN OXIDE STORAGE CATALYSTS IN THE EXHAUST GAS SYSTEM OF A LEAN MIX ENGINE' [patent_app_type] => utility [patent_app_number] => 12/520606 [patent_app_country] => US [patent_app_date] => 2007-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2897 [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/A1/0064/20100064665.pdf [firstpage_image] =>[orig_patent_app_number] => 12520606 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/520606
METHOD AND DESULFURIZING NITROGEN OXIDE STORAGE CATALYSTS IN THE EXHAUST GAS SYSTEM OF A LEAN MIX ENGINE Dec 18, 2007 Abandoned
Array ( [id] => 6556693 [patent_doc_number] => 20100319325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-12-23 [patent_title] => 'DEVICE FOR METERING FUEL INTO THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/521344 [patent_app_country] => US [patent_app_date] => 2007-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3686 [patent_no_of_claims] => 13 [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/A1/0319/20100319325.pdf [firstpage_image] =>[orig_patent_app_number] => 12521344 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/521344
DEVICE FOR METERING FUEL INTO THE EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE Nov 15, 2007 Abandoned
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