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] => 9637908 [patent_doc_number] => 20140216017 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/347497 [patent_app_country] => US [patent_app_date] => 2011-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 7734 [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] => 14347497 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/347497
CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE Nov 24, 2011 Abandoned
Array ( [id] => 8824489 [patent_doc_number] => 20130125534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'ELECTRICALLY HEATED PARTICULATE FILTER RESTRIKE METHODS AND SYSTEMS' [patent_app_type] => utility [patent_app_number] => 13/302225 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3729 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13302225 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/302225
Electrically heated particulate filter restrike methods and systems Nov 21, 2011 Issued
Array ( [id] => 10902092 [patent_doc_number] => 20140305103 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-16 [patent_title] => 'CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/358137 [patent_app_country] => US [patent_app_date] => 2011-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 14164 [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] => 14358137 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/358137
Control apparatus for internal combustion engine Nov 16, 2011 Issued
Array ( [id] => 9848454 [patent_doc_number] => 08950175 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-10 [patent_title] => 'Exhaust-gas aftertreatment device' [patent_app_type] => utility [patent_app_number] => 13/291608 [patent_app_country] => US [patent_app_date] => 2011-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3454 [patent_no_of_claims] => 7 [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] => 13291608 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/291608
Exhaust-gas aftertreatment device Nov 7, 2011 Issued
Array ( [id] => 10908119 [patent_doc_number] => 20140311134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-10-23 [patent_title] => 'CONTROL DEVICE FOR ELECTRICALLY HEATED CATALYST' [patent_app_type] => utility [patent_app_number] => 14/355089 [patent_app_country] => US [patent_app_date] => 2011-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 13681 [patent_no_of_claims] => 10 [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] => 14355089 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/355089
Control device for electrically heated catalyst Nov 1, 2011 Issued
Array ( [id] => 7781083 [patent_doc_number] => 20120042639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-23 [patent_title] => 'MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION' [patent_app_type] => utility [patent_app_number] => 13/284495 [patent_app_country] => US [patent_app_date] => 2011-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5675 [patent_no_of_claims] => 22 [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/A1/0042/20120042639.pdf [firstpage_image] =>[orig_patent_app_number] => 13284495 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/284495
MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION Oct 27, 2011 Abandoned
Array ( [id] => 10097444 [patent_doc_number] => 09133748 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Control apparatus of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/353498 [patent_app_country] => US [patent_app_date] => 2011-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 9273 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 14353498 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/353498
Control apparatus of internal combustion engine Oct 25, 2011 Issued
Array ( [id] => 8152542 [patent_doc_number] => 20120096842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-04-26 [patent_title] => 'EXHAUST MANIFOLD' [patent_app_type] => utility [patent_app_number] => 13/274321 [patent_app_country] => US [patent_app_date] => 2011-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1130 [patent_no_of_claims] => 9 [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/A1/0096/20120096842.pdf [firstpage_image] =>[orig_patent_app_number] => 13274321 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/274321
EXHAUST MANIFOLD Oct 14, 2011 Abandoned
Array ( [id] => 9637911 [patent_doc_number] => 20140216020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'WARM-UP SYSTEM FOR EXHAUST SYSTEM OF INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/580325 [patent_app_country] => US [patent_app_date] => 2011-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8708 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13580325 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/580325
Warm-up system for exhaust system of internal combustion engine Sep 5, 2011 Issued
Array ( [id] => 8879366 [patent_doc_number] => 20130152550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-06-20 [patent_title] => 'METHOD AND SYSTEM FOR DIESEL PARTICLE FILTER REGENERATION' [patent_app_type] => utility [patent_app_number] => 13/814541 [patent_app_country] => US [patent_app_date] => 2011-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5789 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 13 [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] => 13814541 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/814541
Method and system for diesel particle filter regeneration Aug 22, 2011 Issued
Array ( [id] => 8787560 [patent_doc_number] => 20130104529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'EXHAUST GAS EMISSION CONTROL SYSTEM FOR DIESEL ENGINE' [patent_app_type] => utility [patent_app_number] => 13/806947 [patent_app_country] => US [patent_app_date] => 2011-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 7048 [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] => 13806947 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/806947
Exhaust gas emission control system for diesel engine Aug 21, 2011 Issued
Array ( [id] => 8824498 [patent_doc_number] => 20130125543 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-23 [patent_title] => 'HEATING APPARATUS FOR INTERNAL COMBUSTION ENGINE EXHAUST AFTERTREATMENT' [patent_app_type] => utility [patent_app_number] => 13/812969 [patent_app_country] => US [patent_app_date] => 2011-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2584 [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] => 13812969 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/812969
HEATING APPARATUS FOR INTERNAL COMBUSTION ENGINE EXHAUST AFTERTREATMENT Aug 18, 2011 Abandoned
Array ( [id] => 13052517 [patent_doc_number] => 10047643 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-14 [patent_title] => Variable valve timing control apparatus for engine [patent_app_type] => utility [patent_app_number] => 13/210771 [patent_app_country] => US [patent_app_date] => 2011-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5072 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13210771 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/210771
Variable valve timing control apparatus for engine Aug 15, 2011 Issued
Array ( [id] => 9920410 [patent_doc_number] => 08978359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-17 [patent_title] => 'Two-stage turbocharged engine' [patent_app_type] => utility [patent_app_number] => 13/814340 [patent_app_country] => US [patent_app_date] => 2011-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7755 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13814340 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/814340
Two-stage turbocharged engine Aug 4, 2011 Issued
Array ( [id] => 10855328 [patent_doc_number] => 08881511 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-11-11 [patent_title] => 'Method for reducing the amount of NOx in the exhaust gases of a motor vehicle' [patent_app_type] => utility [patent_app_number] => 13/812134 [patent_app_country] => US [patent_app_date] => 2011-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3382 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13812134 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/812134
Method for reducing the amount of NOx in the exhaust gases of a motor vehicle Jul 17, 2011 Issued
Array ( [id] => 7730492 [patent_doc_number] => 20120014410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'CATALYST OVERHEAT PREVENTION APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/179234 [patent_app_country] => US [patent_app_date] => 2011-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9839 [patent_no_of_claims] => 10 [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/A1/0014/20120014410.pdf [firstpage_image] =>[orig_patent_app_number] => 13179234 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/179234
Catalyst overheat prevention apparatus Jul 7, 2011 Issued
Array ( [id] => 7730492 [patent_doc_number] => 20120014410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'CATALYST OVERHEAT PREVENTION APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/179234 [patent_app_country] => US [patent_app_date] => 2011-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9839 [patent_no_of_claims] => 10 [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/A1/0014/20120014410.pdf [firstpage_image] =>[orig_patent_app_number] => 13179234 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/179234
Catalyst overheat prevention apparatus Jul 7, 2011 Issued
Array ( [id] => 7730492 [patent_doc_number] => 20120014410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'CATALYST OVERHEAT PREVENTION APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/179234 [patent_app_country] => US [patent_app_date] => 2011-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9839 [patent_no_of_claims] => 10 [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/A1/0014/20120014410.pdf [firstpage_image] =>[orig_patent_app_number] => 13179234 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/179234
Catalyst overheat prevention apparatus Jul 7, 2011 Issued
Array ( [id] => 7730492 [patent_doc_number] => 20120014410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-01-19 [patent_title] => 'CATALYST OVERHEAT PREVENTION APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/179234 [patent_app_country] => US [patent_app_date] => 2011-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9839 [patent_no_of_claims] => 10 [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/A1/0014/20120014410.pdf [firstpage_image] =>[orig_patent_app_number] => 13179234 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/179234
Catalyst overheat prevention apparatus Jul 7, 2011 Issued
Array ( [id] => 8787562 [patent_doc_number] => 20130104531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-05-02 [patent_title] => 'STATIC MIXER FOR MIXING UREA AQUEOUS SOLUTION AND ENGINE EXHAUST GAS' [patent_app_type] => utility [patent_app_number] => 13/808759 [patent_app_country] => US [patent_app_date] => 2011-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4125 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13808759 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/808759
STATIC MIXER FOR MIXING UREA AQUEOUS SOLUTION AND ENGINE EXHAUST GAS Jul 6, 2011 Abandoned
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