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] => 8752584 [patent_doc_number] => 20130086888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-11 [patent_title] => 'EXHAUST GAS PROCESSING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/529936 [patent_app_country] => US [patent_app_date] => 2012-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2671 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13529936 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/529936
EXHAUST GAS PROCESSING DEVICE Jun 20, 2012 Abandoned
Array ( [id] => 9194037 [patent_doc_number] => 20130333352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-19 [patent_title] => 'Flow Distributor For Engine Exhaust Aftertreatment Component' [patent_app_type] => utility [patent_app_number] => 13/526910 [patent_app_country] => US [patent_app_date] => 2012-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4047 [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] => 13526910 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/526910
Flow Distributor For Engine Exhaust Aftertreatment Component Jun 18, 2012 Abandoned
Array ( [id] => 9689470 [patent_doc_number] => 08820050 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-02 [patent_title] => 'Method for minimizing ammonia slip from SCR catalysts' [patent_app_type] => utility [patent_app_number] => 13/523054 [patent_app_country] => US [patent_app_date] => 2012-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 6212 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13523054 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/523054
Method for minimizing ammonia slip from SCR catalysts Jun 13, 2012 Issued
Array ( [id] => 10182912 [patent_doc_number] => 09212586 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-15 [patent_title] => 'Exhaust gas purification apparatus for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/403982 [patent_app_country] => US [patent_app_date] => 2012-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9253 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14403982 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/403982
Exhaust gas purification apparatus for internal combustion engine May 28, 2012 Issued
Array ( [id] => 8512855 [patent_doc_number] => 20120312263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-12-13 [patent_title] => 'Variable Geometry Cam Shafts For Multiple-Cylinder Internal Combustion Engines' [patent_app_type] => utility [patent_app_number] => 13/482273 [patent_app_country] => US [patent_app_date] => 2012-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2431 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13482273 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/482273
Variable Geometry Cam Shafts For Multiple-Cylinder Internal Combustion Engines May 28, 2012 Abandoned
Array ( [id] => 9759962 [patent_doc_number] => 08844272 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Particulate filter regeneration during engine shutdown' [patent_app_type] => utility [patent_app_number] => 13/477885 [patent_app_country] => US [patent_app_date] => 2012-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8437 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13477885 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/477885
Particulate filter regeneration during engine shutdown May 21, 2012 Issued
Array ( [id] => 10588210 [patent_doc_number] => 09309815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/400067 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 14933 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14400067 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/400067
Control device for internal combustion engine May 13, 2012 Issued
Array ( [id] => 10588210 [patent_doc_number] => 09309815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/400067 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 14933 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14400067 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/400067
Control device for internal combustion engine May 13, 2012 Issued
Array ( [id] => 10588210 [patent_doc_number] => 09309815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/400067 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 14933 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14400067 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/400067
Control device for internal combustion engine May 13, 2012 Issued
Array ( [id] => 10588210 [patent_doc_number] => 09309815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-04-12 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/400067 [patent_app_country] => US [patent_app_date] => 2012-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 52 [patent_no_of_words] => 14933 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14400067 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/400067
Control device for internal combustion engine May 13, 2012 Issued
Array ( [id] => 10835835 [patent_doc_number] => 08863499 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-21 [patent_title] => 'System for indicating quality of a diesel exhaust fluid (“DEF”)' [patent_app_type] => utility [patent_app_number] => 13/468318 [patent_app_country] => US [patent_app_date] => 2012-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3703 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13468318 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/468318
System for indicating quality of a diesel exhaust fluid (“DEF”) May 9, 2012 Issued
Array ( [id] => 9130803 [patent_doc_number] => 20130291516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'SYSTEM AND METHOD FOR CONTROLLING EXHAUST REGENERATION' [patent_app_type] => utility [patent_app_number] => 13/464307 [patent_app_country] => US [patent_app_date] => 2012-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4672 [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] => 13464307 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/464307
System and method for controlling exhaust regeneration May 3, 2012 Issued
Array ( [id] => 9130802 [patent_doc_number] => 20130291515 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'Engine Off Particulate Filter (\"PF\") Regeneration Using a Plurality of Secondary Energy Storage Devices' [patent_app_type] => utility [patent_app_number] => 13/462871 [patent_app_country] => US [patent_app_date] => 2012-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6371 [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] => 13462871 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/462871
Engine off particulate filter (“PF”) regeneration using a plurality of secondary energy storage devices May 2, 2012 Issued
Array ( [id] => 9116845 [patent_doc_number] => 20130283767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-31 [patent_title] => 'OXIDATION CATALYST MONITORING' [patent_app_type] => utility [patent_app_number] => 13/459394 [patent_app_country] => US [patent_app_date] => 2012-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2033 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13459394 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/459394
OXIDATION CATALYST MONITORING Apr 29, 2012 Abandoned
Array ( [id] => 9090014 [patent_doc_number] => 20130269325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-17 [patent_title] => 'MULTI-TIERED TELESCOPE SHAPED ATOMIZER' [patent_app_type] => utility [patent_app_number] => 13/449160 [patent_app_country] => US [patent_app_date] => 2012-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4759 [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] => 13449160 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/449160
Multi-tiered telescope shaped atomizer Apr 16, 2012 Issued
Array ( [id] => 9342647 [patent_doc_number] => 08661785 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-03-04 [patent_title] => 'System and method for liquid reductant injection' [patent_app_type] => utility [patent_app_number] => 13/419830 [patent_app_country] => US [patent_app_date] => 2012-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4486 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13419830 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/419830
System and method for liquid reductant injection Mar 13, 2012 Issued
Array ( [id] => 9194042 [patent_doc_number] => 20130333357 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-19 [patent_title] => 'EXHAUST GAS PURIFYING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/002205 [patent_app_country] => US [patent_app_date] => 2012-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2973 [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] => 14002205 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/002205
Exhaust gas purifying device Feb 29, 2012 Issued
Array ( [id] => 9194321 [patent_doc_number] => 20130333636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-19 [patent_title] => 'Operation of an Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 14/001276 [patent_app_country] => US [patent_app_date] => 2012-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7828 [patent_no_of_claims] => 13 [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] => 14001276 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/001276
Operation of an internal combustion engine Feb 21, 2012 Issued
Array ( [id] => 9425329 [patent_doc_number] => 08701389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-22 [patent_title] => 'Reagent injector control system' [patent_app_type] => utility [patent_app_number] => 13/311806 [patent_app_country] => US [patent_app_date] => 2011-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5197 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 13311806 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/311806
Reagent injector control system Dec 5, 2011 Issued
Array ( [id] => 10902091 [patent_doc_number] => 20140305102 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-16 [patent_title] => 'CONTROL DEVICE FOR AN ELECTRICALLY HEATED CATALYST, AND ELECTRODE DETERIORATION DEGREE ESTIMATION DEVICE FOR AN ELECTRICALLY HEATED CATALYST' [patent_app_type] => utility [patent_app_number] => 14/357363 [patent_app_country] => US [patent_app_date] => 2011-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10698 [patent_no_of_claims] => 6 [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] => 14357363 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/357363
Control device for an electrically heated catalyst, and electrode deterioration degree estimation device for an electrically heated catalyst Nov 24, 2011 Issued
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