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] => 11930397 [patent_doc_number] => 09797385 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-24 [patent_title] => 'Method and device for preventing dry-out in a boiler of a tower solar concentration power plant' [patent_app_type] => utility [patent_app_number] => 14/915646 [patent_app_country] => US [patent_app_date] => 2014-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3375 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14915646 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/915646
Method and device for preventing dry-out in a boiler of a tower solar concentration power plant Aug 17, 2014 Issued
Array ( [id] => 9897957 [patent_doc_number] => 20150053157 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-26 [patent_title] => 'METHOD AND APPARATUS FOR WINDING A RETURN SPRING WITH A TWO PIECE ROTOR FOR A CAM PHASER' [patent_app_type] => utility [patent_app_number] => 14/459675 [patent_app_country] => US [patent_app_date] => 2014-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2623 [patent_no_of_claims] => 5 [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] => 14459675 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/459675
Method and apparatus for winding a return spring with a two piece rotor for a cam phaser Aug 13, 2014 Issued
Array ( [id] => 10792401 [patent_doc_number] => 20160138557 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-19 [patent_title] => 'Hydraulic wave energy converter' [patent_app_type] => utility [patent_app_number] => 14/908120 [patent_app_country] => US [patent_app_date] => 2014-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3182 [patent_no_of_claims] => 3 [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] => 14908120 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/908120
Hydraulic wave energy converter Jul 24, 2014 Issued
Array ( [id] => 9853690 [patent_doc_number] => 20150033706 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-02-05 [patent_title] => 'METHOD AND APPARATUS FOR DETERMINING THE EFFICIENCY OF AN EXHAUST GAS PURIFICATION DEVICE' [patent_app_type] => utility [patent_app_number] => 14/336347 [patent_app_country] => US [patent_app_date] => 2014-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3493 [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] => 14336347 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/336347
Method and apparatus for determining the efficiency of an exhaust gas purification device Jul 20, 2014 Issued
Array ( [id] => 10664388 [patent_doc_number] => 20160010532 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-14 [patent_title] => 'CATALYST ASSEMBLY WITH INTEGRATED EMISSIONS SAMPLING PROBE' [patent_app_type] => utility [patent_app_number] => 14/328303 [patent_app_country] => US [patent_app_date] => 2014-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4327 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [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] => 14328303 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/328303
CATALYST ASSEMBLY WITH INTEGRATED EMISSIONS SAMPLING PROBE Jul 9, 2014 Abandoned
Array ( [id] => 10156288 [patent_doc_number] => 09188051 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-11-17 [patent_title] => 'System and method of thermal management for an engine' [patent_app_type] => utility [patent_app_number] => 14/312731 [patent_app_country] => US [patent_app_date] => 2014-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8958 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14312731 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/312731
System and method of thermal management for an engine Jun 23, 2014 Issued
Array ( [id] => 10476831 [patent_doc_number] => 20150361847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'VALVE ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/303659 [patent_app_country] => US [patent_app_date] => 2014-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3698 [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] => 14303659 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/303659
VALVE ASSEMBLY Jun 12, 2014 Abandoned
Array ( [id] => 10535379 [patent_doc_number] => 09261002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-16 [patent_title] => 'Feed-back for closed-loop selective catalytic reduction control' [patent_app_type] => utility [patent_app_number] => 14/302310 [patent_app_country] => US [patent_app_date] => 2014-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6228 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14302310 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/302310
Feed-back for closed-loop selective catalytic reduction control Jun 10, 2014 Issued
Array ( [id] => 10460338 [patent_doc_number] => 20150345354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'EXHAUST AFTERTREATEMENT SYSTEM INJECTOR AND CONTROL' [patent_app_type] => utility [patent_app_number] => 14/294571 [patent_app_country] => US [patent_app_date] => 2014-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3874 [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] => 14294571 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/294571
EXHAUST AFTERTREATEMENT SYSTEM INJECTOR AND CONTROL Jun 2, 2014 Abandoned
Array ( [id] => 10460391 [patent_doc_number] => 20150345406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 14/293635 [patent_app_country] => US [patent_app_date] => 2014-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3522 [patent_no_of_claims] => 10 [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] => 14293635 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/293635
Internal combustion engine Jun 1, 2014 Issued
Array ( [id] => 14059019 [patent_doc_number] => 10233794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-19 [patent_title] => Valve arrangement [patent_app_type] => utility [patent_app_number] => 15/314044 [patent_app_country] => US [patent_app_date] => 2014-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 5795 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [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] => 15314044 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/314044
Valve arrangement May 27, 2014 Issued
Array ( [id] => 11212481 [patent_doc_number] => 09441510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-13 [patent_title] => 'Valve system for a multi-cylinder engine' [patent_app_type] => utility [patent_app_number] => 14/655700 [patent_app_country] => US [patent_app_date] => 2014-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 26 [patent_no_of_words] => 20262 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14655700 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/655700
Valve system for a multi-cylinder engine May 1, 2014 Issued
Array ( [id] => 9681242 [patent_doc_number] => 20140238004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-28 [patent_title] => 'COMBUSTION ENGINE PERFORMANCE-ENHANCING PROCEDURE' [patent_app_type] => utility [patent_app_number] => 14/262747 [patent_app_country] => US [patent_app_date] => 2014-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 1336 [patent_no_of_claims] => 5 [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] => 14262747 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/262747
COMBUSTION ENGINE PERFORMANCE-ENHANCING PROCEDURE Apr 26, 2014 Abandoned
Array ( [id] => 10333985 [patent_doc_number] => 20150218989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'METHOD AND AN APPARATUS FOR WARMING A CATALYST IN AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/420468 [patent_app_country] => US [patent_app_date] => 2014-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10319 [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] => 14420468 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/420468
Method and an apparatus for warming a catalyst in an internal combustion engine Apr 23, 2014 Issued
Array ( [id] => 10390840 [patent_doc_number] => 20150275847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-01 [patent_title] => 'POWER CONVERTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/413408 [patent_app_country] => US [patent_app_date] => 2014-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4745 [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] => 14413408 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/413408
Power converting apparatus Apr 20, 2014 Issued
Array ( [id] => 10176558 [patent_doc_number] => 09206756 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-08 [patent_title] => 'Closed loop NOX reference management for DPF regeneration based on engine out particulate matter variation controller' [patent_app_type] => utility [patent_app_number] => 14/230709 [patent_app_country] => US [patent_app_date] => 2014-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6225 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14230709 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/230709
Closed loop NOX reference management for DPF regeneration based on engine out particulate matter variation controller Mar 30, 2014 Issued
Array ( [id] => 11829405 [patent_doc_number] => 09726142 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-08 [patent_title] => 'Deployment system' [patent_app_type] => utility [patent_app_number] => 14/780213 [patent_app_country] => US [patent_app_date] => 2014-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 34 [patent_no_of_words] => 12546 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 2 [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] => 14780213 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/780213
Deployment system Mar 27, 2014 Issued
Array ( [id] => 10390725 [patent_doc_number] => 20150275732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-01 [patent_title] => 'COOLANT SYSTEM FOR REDUCTANT TANK' [patent_app_type] => utility [patent_app_number] => 14/228752 [patent_app_country] => US [patent_app_date] => 2014-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3130 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14228752 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/228752
COOLANT SYSTEM FOR REDUCTANT TANK Mar 27, 2014
Array ( [id] => 10714939 [patent_doc_number] => 20160061086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-03 [patent_title] => 'EXHAUST GAS PURIFICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/780612 [patent_app_country] => US [patent_app_date] => 2014-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 13394 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14780612 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/780612
Exhaust gas purification system Mar 25, 2014 Issued
Array ( [id] => 10382575 [patent_doc_number] => 20150267582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-24 [patent_title] => 'Auxiliary Protective Cooling System for Liquid Cooled Diesel Emissions System Components' [patent_app_type] => utility [patent_app_number] => 14/222660 [patent_app_country] => US [patent_app_date] => 2014-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1364 [patent_no_of_claims] => 10 [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] => 14222660 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/222660
Auxiliary Protective Cooling System for Liquid Cooled Diesel Emissions System Components Mar 22, 2014 Abandoned
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