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] => 6542131 [patent_doc_number] => 20100287913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'INTERNAL COMBUSTION ENGINE EXHAUST GAS CLEANING APPARATUS AND EXHAUST GAS CLEANING METHOD' [patent_app_type] => utility [patent_app_number] => 12/811629 [patent_app_country] => US [patent_app_date] => 2009-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6751 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0287/20100287913.pdf [firstpage_image] =>[orig_patent_app_number] => 12811629 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811629
Internal combustion engine exhaust gas cleaning apparatus and exhaust gas cleaning method Feb 16, 2009 Issued
Array ( [id] => 10014293 [patent_doc_number] => 09057304 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-06-16 [patent_title] => 'Metering system for injecting a urea solution into the exhaust gas flow of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/810335 [patent_app_country] => US [patent_app_date] => 2009-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3666 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12810335 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/810335
Metering system for injecting a urea solution into the exhaust gas flow of an internal combustion engine Feb 1, 2009 Issued
Array ( [id] => 6422928 [patent_doc_number] => 20100186394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-07-29 [patent_title] => 'Exhaust gas after treatment assembly' [patent_app_type] => utility [patent_app_number] => 12/320425 [patent_app_country] => US [patent_app_date] => 2009-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8267 [patent_no_of_claims] => 28 [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/A1/0186/20100186394.pdf [firstpage_image] =>[orig_patent_app_number] => 12320425 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/320425
Exhaust gas after treatment assembly Jan 25, 2009 Abandoned
Array ( [id] => 5922842 [patent_doc_number] => 20110036079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-02-17 [patent_title] => 'Vehicle Exhaust Treatment Systems' [patent_app_type] => utility [patent_app_number] => 12/988385 [patent_app_country] => US [patent_app_date] => 2009-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1861 [patent_no_of_claims] => 9 [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/A1/0036/20110036079.pdf [firstpage_image] =>[orig_patent_app_number] => 12988385 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/988385
Vehicle exhaust treatment systems Jan 21, 2009 Issued
Array ( [id] => 9252580 [patent_doc_number] => 08615986 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-12-31 [patent_title] => 'Process for transferring a liquid using a pump' [patent_app_type] => utility [patent_app_number] => 12/812914 [patent_app_country] => US [patent_app_date] => 2009-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6865 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 238 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12812914 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/812914
Process for transferring a liquid using a pump Jan 18, 2009 Issued
Array ( [id] => 6119212 [patent_doc_number] => 20110083429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-04-14 [patent_title] => 'CATALYST PASSING COMPONENT DETERMINING APPARATUS AND EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/733177 [patent_app_country] => US [patent_app_date] => 2009-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6234 [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] => publications/A1/0083/20110083429.pdf [firstpage_image] =>[orig_patent_app_number] => 12733177 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/733177
CATALYST PASSING COMPONENT DETERMINING APPARATUS AND EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE Jan 8, 2009 Abandoned
Array ( [id] => 8856491 [patent_doc_number] => 08459014 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-11 [patent_title] => 'Mounting structure for NOx reduction device for construction machine' [patent_app_type] => utility [patent_app_number] => 12/811452 [patent_app_country] => US [patent_app_date] => 2009-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5877 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12811452 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811452
Mounting structure for NOx reduction device for construction machine Jan 6, 2009 Issued
Array ( [id] => 5498034 [patent_doc_number] => 20090158722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'EMISSION CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 12/342675 [patent_app_country] => US [patent_app_date] => 2008-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7101 [patent_no_of_claims] => 12 [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/A1/0158/20090158722.pdf [firstpage_image] =>[orig_patent_app_number] => 12342675 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/342675
EMISSION CONTROL SYSTEM Dec 22, 2008 Abandoned
Array ( [id] => 8832679 [patent_doc_number] => 08448425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-28 [patent_title] => 'Engine system and a method for a regeneration of an exhaust gas treatment device in such a system' [patent_app_type] => utility [patent_app_number] => 12/339415 [patent_app_country] => US [patent_app_date] => 2008-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5192 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12339415 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/339415
Engine system and a method for a regeneration of an exhaust gas treatment device in such a system Dec 18, 2008 Issued
Array ( [id] => 8832679 [patent_doc_number] => 08448425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-28 [patent_title] => 'Engine system and a method for a regeneration of an exhaust gas treatment device in such a system' [patent_app_type] => utility [patent_app_number] => 12/339415 [patent_app_country] => US [patent_app_date] => 2008-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5192 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12339415 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/339415
Engine system and a method for a regeneration of an exhaust gas treatment device in such a system Dec 18, 2008 Issued
Array ( [id] => 5498032 [patent_doc_number] => 20090158720 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-06-25 [patent_title] => 'Sliding Seat And Exhaust Gas Treatment Facility' [patent_app_type] => utility [patent_app_number] => 12/337035 [patent_app_country] => US [patent_app_date] => 2008-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4480 [patent_no_of_claims] => 28 [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/A1/0158/20090158720.pdf [firstpage_image] =>[orig_patent_app_number] => 12337035 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/337035
Sliding seat and exhaust gas treatment facility Dec 16, 2008 Issued
Array ( [id] => 9411295 [patent_doc_number] => 08695329 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-15 [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] => 12/808088 [patent_app_country] => US [patent_app_date] => 2008-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5535 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12808088 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/808088
DeNox of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NO2 in accordance with the requirements Dec 11, 2008 Issued
Array ( [id] => 6408077 [patent_doc_number] => 20100275582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/811827 [patent_app_country] => US [patent_app_date] => 2008-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 20444 [patent_no_of_claims] => 39 [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/A1/0275/20100275582.pdf [firstpage_image] =>[orig_patent_app_number] => 12811827 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811827
EXHAUST EMISSION CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Nov 17, 2008 Abandoned
Array ( [id] => 8795436 [patent_doc_number] => 08434296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-05-07 [patent_title] => 'Exhaust emission control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/811817 [patent_app_country] => US [patent_app_date] => 2008-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 19386 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12811817 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811817
Exhaust emission control device for internal combustion engine Nov 17, 2008 Issued
Array ( [id] => 6267891 [patent_doc_number] => 20100115920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-05-13 [patent_title] => 'Exhaust component having permanently associated life indicator' [patent_app_type] => utility [patent_app_number] => 12/292094 [patent_app_country] => US [patent_app_date] => 2008-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3685 [patent_no_of_claims] => 30 [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/A1/0115/20100115920.pdf [firstpage_image] =>[orig_patent_app_number] => 12292094 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/292094
Exhaust component having permanently associated life indicator Nov 11, 2008 Issued
Array ( [id] => 6408096 [patent_doc_number] => 20100275584 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-04 [patent_title] => 'EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/811826 [patent_app_country] => US [patent_app_date] => 2008-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9877 [patent_no_of_claims] => 18 [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/A1/0275/20100275584.pdf [firstpage_image] =>[orig_patent_app_number] => 12811826 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811826
Exhaust gas purification device for internal combustion engine Nov 5, 2008 Issued
Array ( [id] => 6542182 [patent_doc_number] => 20100287917 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-11-18 [patent_title] => 'EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 12/811456 [patent_app_country] => US [patent_app_date] => 2008-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9572 [patent_no_of_claims] => 14 [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/A1/0287/20100287917.pdf [firstpage_image] =>[orig_patent_app_number] => 12811456 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/811456
EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE Nov 4, 2008 Abandoned
Array ( [id] => 5448631 [patent_doc_number] => 20090064666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-03-12 [patent_title] => 'Heatable hose conduit system for an exhaust-gas aftertreatment system of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/285585 [patent_app_country] => US [patent_app_date] => 2008-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2523 [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/A1/0064/20090064666.pdf [firstpage_image] =>[orig_patent_app_number] => 12285585 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/285585
Heatable hose conduit system for an exhaust-gas aftertreatment system of an internal combustion engine Oct 8, 2008 Issued
Array ( [id] => 8979962 [patent_doc_number] => 08511067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-08-20 [patent_title] => 'Exhaust gas aftertreatment system' [patent_app_type] => utility [patent_app_number] => 12/241298 [patent_app_country] => US [patent_app_date] => 2008-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1551 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12241298 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/241298
Exhaust gas aftertreatment system Sep 29, 2008 Issued
Array ( [id] => 5412409 [patent_doc_number] => 20090038296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-12 [patent_title] => 'Liquid tank, breather device, and exhaust gas purification device for engine' [patent_app_type] => utility [patent_app_number] => 12/285004 [patent_app_country] => US [patent_app_date] => 2008-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4768 [patent_no_of_claims] => 14 [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/A1/0038/20090038296.pdf [firstpage_image] =>[orig_patent_app_number] => 12285004 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/285004
Liquid tank, breather device, and exhaust gas purification device for engine Sep 25, 2008 Abandoned
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