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] => 6159409 [patent_doc_number] => 20110192366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-11 [patent_title] => 'Phase adjustment device' [patent_app_type] => utility [patent_app_number] => 13/066159 [patent_app_country] => US [patent_app_date] => 2011-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2942 [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] => publications/A1/0192/20110192366.pdf [firstpage_image] =>[orig_patent_app_number] => 13066159 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/066159
Phase adjustment device Apr 6, 2011 Abandoned
Array ( [id] => 8603086 [patent_doc_number] => 20130008399 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-01-10 [patent_title] => 'PRESSURE ACCUMULATOR ARRANGEMENT FOR A CAMSHAFT ADJUSTING SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/638032 [patent_app_country] => US [patent_app_date] => 2011-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2771 [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] => 13638032 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/638032
Pressure accumulator arrangement for a camshaft adjusting system Apr 3, 2011 Issued
Array ( [id] => 9411511 [patent_doc_number] => 08695545 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-15 [patent_title] => 'Phase changing device of camshaft' [patent_app_type] => utility [patent_app_number] => 13/394065 [patent_app_country] => US [patent_app_date] => 2011-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 24 [patent_no_of_words] => 13427 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13394065 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/394065
Phase changing device of camshaft Mar 30, 2011 Issued
Array ( [id] => 9342902 [patent_doc_number] => 08662040 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'Oscillating-motor camshaft adjuster having a hydraulic valve' [patent_app_type] => utility [patent_app_number] => 13/074373 [patent_app_country] => US [patent_app_date] => 2011-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4580 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13074373 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/074373
Oscillating-motor camshaft adjuster having a hydraulic valve Mar 28, 2011 Issued
Array ( [id] => 9151734 [patent_doc_number] => 08584630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-19 [patent_title] => 'Switchable roller finger follower assembly' [patent_app_type] => utility [patent_app_number] => 13/072457 [patent_app_country] => US [patent_app_date] => 2011-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 16 [patent_no_of_words] => 3546 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 13072457 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/072457
Switchable roller finger follower assembly Mar 24, 2011 Issued
Array ( [id] => 7700390 [patent_doc_number] => 20110226200 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-22 [patent_title] => 'AXIAL FLOAT PLATE' [patent_app_type] => utility [patent_app_number] => 13/053575 [patent_app_country] => US [patent_app_date] => 2011-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2593 [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] => publications/A1/0226/20110226200.pdf [firstpage_image] =>[orig_patent_app_number] => 13053575 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/053575
AXIAL FLOAT PLATE Mar 21, 2011 Abandoned
Array ( [id] => 10149552 [patent_doc_number] => 09181832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-10 [patent_title] => 'Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter' [patent_app_type] => utility [patent_app_number] => 14/006663 [patent_app_country] => US [patent_app_date] => 2011-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4288 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14006663 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/006663
Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter Mar 20, 2011 Issued
Array ( [id] => 6009653 [patent_doc_number] => 20110220050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-09-15 [patent_title] => 'SWITCHABLE FINGER LEVER' [patent_app_type] => utility [patent_app_number] => 13/043841 [patent_app_country] => US [patent_app_date] => 2011-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2507 [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/A1/0220/20110220050.pdf [firstpage_image] =>[orig_patent_app_number] => 13043841 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/043841
Switchable finger lever Mar 8, 2011 Issued
Array ( [id] => 9624537 [patent_doc_number] => 08794205 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-05 [patent_title] => 'Switchable lever for a valve drive of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/582896 [patent_app_country] => US [patent_app_date] => 2011-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2333 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13582896 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/582896
Switchable lever for a valve drive of an internal combustion engine Mar 2, 2011 Issued
Array ( [id] => 6057396 [patent_doc_number] => 20110197843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-18 [patent_title] => 'SWITCHABLE ROLLER FINGER FOLLOWER' [patent_app_type] => utility [patent_app_number] => 13/025242 [patent_app_country] => US [patent_app_date] => 2011-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3639 [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/A1/0197/20110197843.pdf [firstpage_image] =>[orig_patent_app_number] => 13025242 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/025242
Switchable roller finger follower Feb 10, 2011 Issued
Array ( [id] => 6056916 [patent_doc_number] => 20110197567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-08-18 [patent_title] => 'Diesel Particulate Filter Regeneration Control Using A Wide Band Oxygen Sensor' [patent_app_type] => utility [patent_app_number] => 13/023040 [patent_app_country] => US [patent_app_date] => 2011-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4210 [patent_no_of_claims] => 22 [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/A1/0197/20110197567.pdf [firstpage_image] =>[orig_patent_app_number] => 13023040 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/023040
Diesel particulate filter regeneration control using a wide band oxygen sensor Feb 7, 2011 Issued
Array ( [id] => 6166407 [patent_doc_number] => 20110173953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-21 [patent_title] => 'System And Method For Regenerating An Engine Exhaust After-Treatment Device' [patent_app_type] => utility [patent_app_number] => 13/011372 [patent_app_country] => US [patent_app_date] => 2011-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10793 [patent_no_of_claims] => 29 [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/A1/0173/20110173953.pdf [firstpage_image] =>[orig_patent_app_number] => 13011372 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/011372
System and method for regenerating an engine exhaust after-treatment device Jan 20, 2011 Issued
Array ( [id] => 6181499 [patent_doc_number] => 20110167808 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-07-14 [patent_title] => 'ENGINE WITH EXHAUST GAS TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 12/986290 [patent_app_country] => US [patent_app_date] => 2011-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 13860 [patent_no_of_claims] => 21 [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/A1/0167/20110167808.pdf [firstpage_image] =>[orig_patent_app_number] => 12986290 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/986290
Engine with exhaust gas treatment apparatus Jan 6, 2011 Issued
Array ( [id] => 8260512 [patent_doc_number] => 20120159928 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-28 [patent_title] => 'System and method for introducing a reductant agent' [patent_app_type] => utility [patent_app_number] => 12/976762 [patent_app_country] => US [patent_app_date] => 2010-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6627 [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] => 12976762 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/976762
System and method for introducing a reductant agent Dec 21, 2010 Issued
Array ( [id] => 9674583 [patent_doc_number] => 08813481 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Exhaust emission control device' [patent_app_type] => utility [patent_app_number] => 13/515379 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3727 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [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] => 13515379 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/515379
Exhaust emission control device Dec 20, 2010 Issued
Array ( [id] => 8121061 [patent_doc_number] => 20120085082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-12 [patent_title] => 'SYSTEM AND METHOD FOR DETECTING LOW QUALITY REDUCTANT AND CATALYST DEGRADATION IN SELECTIVE CATALYTIC REDUCTION SYSTEMS' [patent_app_type] => utility [patent_app_number] => 12/974366 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4048 [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/A1/0085/20120085082.pdf [firstpage_image] =>[orig_patent_app_number] => 12974366 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/974366
System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems Dec 20, 2010 Issued
Array ( [id] => 5961352 [patent_doc_number] => 20110146240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-23 [patent_title] => 'APPARATUS, SYSTEM, AND METHOD FOR MITIGATING DIESEL EXHAUST FLUID DEPOSITS AND ASSOCIATED CONDITIONS' [patent_app_type] => utility [patent_app_number] => 12/975064 [patent_app_country] => US [patent_app_date] => 2010-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9561 [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/A1/0146/20110146240.pdf [firstpage_image] =>[orig_patent_app_number] => 12975064 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/975064
Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions Dec 20, 2010 Issued
Array ( [id] => 9646263 [patent_doc_number] => 08800266 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-12 [patent_title] => 'Method for exhaust gas-recirculation' [patent_app_type] => utility [patent_app_number] => 13/511471 [patent_app_country] => US [patent_app_date] => 2010-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3088 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13511471 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/511471
Method for exhaust gas-recirculation Dec 16, 2010 Issued
Array ( [id] => 8247578 [patent_doc_number] => 20120151902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-21 [patent_title] => 'BIASED REDUCTANT MIXER' [patent_app_type] => utility [patent_app_number] => 12/970352 [patent_app_country] => US [patent_app_date] => 2010-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3664 [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/A1/0151/20120151902.pdf [firstpage_image] =>[orig_patent_app_number] => 12970352 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/970352
BIASED REDUCTANT MIXER Dec 15, 2010 Abandoned
Array ( [id] => 6072752 [patent_doc_number] => 20110139105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-06-16 [patent_title] => 'Variable Valve Timing Control Apparatus Cover and Method for Producing the Cover' [patent_app_type] => utility [patent_app_number] => 12/966372 [patent_app_country] => US [patent_app_date] => 2010-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9034 [patent_no_of_claims] => 16 [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/A1/0139/20110139105.pdf [firstpage_image] =>[orig_patent_app_number] => 12966372 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/966372
Variable Valve Timing Control Apparatus Cover and Method for Producing the Cover Dec 12, 2010 Abandoned
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