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] => 10407358 [patent_doc_number] => 20150292367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-15 [patent_title] => 'CAMSHAFT ADJUSTING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/442880 [patent_app_country] => US [patent_app_date] => 2012-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2465 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14442880 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/442880
Camshaft adjusting device Sep 8, 2013 Issued
Array ( [id] => 9330007 [patent_doc_number] => 20140056789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-27 [patent_title] => 'DENOX OF DIESEL ENGINE EXHAUST GASES USING A TEMPERATURE-CONTROLLED PRECATALYST FOR PROVIDING NO2 IN ACCORDANCE WITH THE REQUIREMENTS' [patent_app_type] => utility [patent_app_number] => 14/020300 [patent_app_country] => US [patent_app_date] => 2013-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5504 [patent_no_of_claims] => 23 [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] => 14020300 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/020300
DeNOx of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NO2 in accordance with the requirements Sep 5, 2013 Issued
Array ( [id] => 11785445 [patent_doc_number] => 09394817 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-19 [patent_title] => 'Cooling structure for urea aqueous solution conduit' [patent_app_type] => utility [patent_app_number] => 14/414640 [patent_app_country] => US [patent_app_date] => 2013-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7098 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14414640 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/414640
Cooling structure for urea aqueous solution conduit Sep 4, 2013 Issued
Array ( [id] => 10341140 [patent_doc_number] => 20150226145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/426174 [patent_app_country] => US [patent_app_date] => 2013-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7626 [patent_no_of_claims] => 1 [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] => 14426174 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/426174
Control system for internal combustion engine Sep 2, 2013 Issued
Array ( [id] => 9533113 [patent_doc_number] => 20140157759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'EXHAUST GAS AFTER-TREATMENT METHOD' [patent_app_type] => utility [patent_app_number] => 14/012133 [patent_app_country] => US [patent_app_date] => 2013-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2525 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14012133 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/012133
EXHAUST GAS AFTER-TREATMENT METHOD Aug 27, 2013 Abandoned
Array ( [id] => 10319222 [patent_doc_number] => 20150204225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-23 [patent_title] => 'WATER INJECTION EXHAUST TREATMENT SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/389224 [patent_app_country] => US [patent_app_date] => 2013-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4554 [patent_no_of_claims] => 35 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14389224 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/389224
Water injection exhaust treatment system Aug 15, 2013 Issued
Array ( [id] => 9892120 [patent_doc_number] => 20150047320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-19 [patent_title] => 'VEHICLE AND A METHOD OF UPDATING AGING OF A SELECTIVE CATALYTIC REDUCTION FILTER OF AN EXHAUST TREATMENT SYSTEM OF THE VEHICLE' [patent_app_type] => utility [patent_app_number] => 13/967747 [patent_app_country] => US [patent_app_date] => 2013-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4608 [patent_no_of_claims] => 32 [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] => 13967747 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/967747
Vehicle and a method of updating aging of a selective catalytic reduction filter of an exhaust treatment system of the vehicle Aug 14, 2013 Issued
Array ( [id] => 9892121 [patent_doc_number] => 20150047319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-19 [patent_title] => 'VEHICLE AND A METHOD OF DETERMINING A REDUCTANT STORAGE CAPACITY SET POINT OF A SELECTIVE CATALYTIC REDUCTION FILTER OF AN EXHAUST TREATMENT SYSTEM OF THE VEHICLE' [patent_app_type] => utility [patent_app_number] => 13/967731 [patent_app_country] => US [patent_app_date] => 2013-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7031 [patent_no_of_claims] => 38 [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] => 13967731 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/967731
Vehicle and a method of determining a reductant storage capacity set point of a selective catalytic reduction filter of an exhaust treatment system of the vehicle Aug 14, 2013 Issued
Array ( [id] => 15229303 [patent_doc_number] => 10502367 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-12-10 [patent_title] => Gas storage unit and associated structure and system [patent_app_type] => utility [patent_app_number] => 14/419649 [patent_app_country] => US [patent_app_date] => 2013-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 20 [patent_no_of_words] => 10102 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14419649 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/419649
Gas storage unit and associated structure and system Aug 8, 2013 Issued
Array ( [id] => 12144675 [patent_doc_number] => 09878917 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-30 [patent_title] => 'Ammonia storage structure and associated systems and method' [patent_app_type] => utility [patent_app_number] => 14/419928 [patent_app_country] => US [patent_app_date] => 2013-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 18 [patent_no_of_words] => 7575 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14419928 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/419928
Ammonia storage structure and associated systems and method Aug 8, 2013 Issued
Array ( [id] => 9177565 [patent_doc_number] => 20130319550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-12-05 [patent_title] => 'CONVEYING UNIT FOR CONVEYING REDUCING AGENT' [patent_app_type] => utility [patent_app_number] => 13/963474 [patent_app_country] => US [patent_app_date] => 2013-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5878 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13963474 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/963474
Conveying unit for conveying reducing agent Aug 8, 2013 Issued
Array ( [id] => 10071148 [patent_doc_number] => 09109495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-18 [patent_title] => 'Method and system for identifying a source of nitrogen oxide reduction inefficiency' [patent_app_type] => utility [patent_app_number] => 13/961939 [patent_app_country] => US [patent_app_date] => 2013-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6041 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 381 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13961939 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/961939
Method and system for identifying a source of nitrogen oxide reduction inefficiency Aug 7, 2013 Issued
Array ( [id] => 10051325 [patent_doc_number] => 09091194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-28 [patent_title] => 'Temperature gradient correction of ammonia storage model' [patent_app_type] => utility [patent_app_number] => 13/959029 [patent_app_country] => US [patent_app_date] => 2013-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3663 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13959029 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/959029
Temperature gradient correction of ammonia storage model Aug 4, 2013 Issued
Array ( [id] => 9795610 [patent_doc_number] => 20150007554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-08 [patent_title] => 'OXYGEN SENSOR HEAT SINKING BOSS' [patent_app_type] => utility [patent_app_number] => 13/956971 [patent_app_country] => US [patent_app_date] => 2013-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2435 [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] => 13956971 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/956971
Oxygen sensor heat sinking boss Jul 31, 2013 Issued
Array ( [id] => 9157411 [patent_doc_number] => 20130305688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-21 [patent_title] => 'ENGINE WITH EXHAUST GAS TREATMENT APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/949354 [patent_app_country] => US [patent_app_date] => 2013-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 12973 [patent_no_of_claims] => 18 [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] => 13949354 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/949354
Engine with exhaust gas treatment apparatus Jul 23, 2013 Issued
Array ( [id] => 10355666 [patent_doc_number] => 20150240672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'CAMSHAFT ADJUSTER WITH A ROLLED CONNECTION' [patent_app_type] => utility [patent_app_number] => 14/432110 [patent_app_country] => US [patent_app_date] => 2013-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2075 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14432110 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/432110
Camshaft adjuster with a rolled connection Jul 22, 2013 Issued
Array ( [id] => 9808559 [patent_doc_number] => 20150020504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-22 [patent_title] => 'EXHAUST FLOW ESTIMATION' [patent_app_type] => utility [patent_app_number] => 13/946148 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4716 [patent_no_of_claims] => 15 [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] => 13946148 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/946148
EXHAUST FLOW ESTIMATION Jul 18, 2013 Abandoned
Array ( [id] => 10367703 [patent_doc_number] => 20150252707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-10 [patent_title] => 'EXHAUST GAS PROCESSING DEVICE, DIESEL ENGINE, AND EXHAUST GAS PROCESSING METHOD' [patent_app_type] => utility [patent_app_number] => 14/425163 [patent_app_country] => US [patent_app_date] => 2013-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 17654 [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] => 14425163 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/425163
Exhaust gas processing device, diesel engine, and exhaust gas processing method Jul 17, 2013 Issued
Array ( [id] => 9801366 [patent_doc_number] => 20150013310 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-01-15 [patent_title] => 'EMISSION CONTROL SYSTEM INCLUDING AN OXIDATION CATALYST AND SELECTIVE CATALYTIC REDUCTION CATALYST' [patent_app_type] => utility [patent_app_number] => 13/942406 [patent_app_country] => US [patent_app_date] => 2013-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4311 [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] => 13942406 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/942406
Emission control system including an oxidation catalyst and selective catalytic reduction catalyst Jul 14, 2013 Issued
Array ( [id] => 10445310 [patent_doc_number] => 20150330323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-19 [patent_title] => 'CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/652935 [patent_app_country] => US [patent_app_date] => 2013-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 24367 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14652935 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/652935
Control device for internal combustion engine Jul 7, 2013 Issued
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