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] => 11018798 [patent_doc_number] => 20160215751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-28 [patent_title] => 'POWER CONVERTING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/090932 [patent_app_country] => US [patent_app_date] => 2016-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4746 [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] => 15090932 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/090932
POWER CONVERTING APPARATUS Apr 4, 2016 Abandoned
Array ( [id] => 12947002 [patent_doc_number] => 09835064 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-05 [patent_title] => Method and system for diagnosing efficiency of an aftertreatment system of an internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/085301 [patent_app_country] => US [patent_app_date] => 2016-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5239 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15085301 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/085301
Method and system for diagnosing efficiency of an aftertreatment system of an internal combustion engine Mar 29, 2016 Issued
Array ( [id] => 12106878 [patent_doc_number] => 09863354 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-09 [patent_title] => 'Exhaust purification system of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 15/083378 [patent_app_country] => US [patent_app_date] => 2016-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 33898 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15083378 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/083378
Exhaust purification system of internal combustion engine Mar 28, 2016 Issued
Array ( [id] => 11980099 [patent_doc_number] => 20170284254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-05 [patent_title] => 'DRIP-IRRIGATION CATALYTIC REDUCTION EXHAUST PIPE' [patent_app_type] => utility [patent_app_number] => 15/083307 [patent_app_country] => US [patent_app_date] => 2016-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2726 [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] => 15083307 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/083307
DRIP-IRRIGATION CATALYTIC REDUCTION EXHAUST PIPE Mar 28, 2016 Abandoned
Array ( [id] => 12947110 [patent_doc_number] => 09835104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-05 [patent_title] => Exhaust purification system of internal combustion engine [patent_app_type] => utility [patent_app_number] => 15/083449 [patent_app_country] => US [patent_app_date] => 2016-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 21410 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15083449 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/083449
Exhaust purification system of internal combustion engine Mar 28, 2016 Issued
Array ( [id] => 11084669 [patent_doc_number] => 20160281634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-29 [patent_title] => 'CYLINDER HEAD AND INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/077002 [patent_app_country] => US [patent_app_date] => 2016-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5860 [patent_no_of_claims] => 4 [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] => 15077002 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/077002
Cylinder head and internal combustion engine Mar 21, 2016 Issued
Array ( [id] => 11084669 [patent_doc_number] => 20160281634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-29 [patent_title] => 'CYLINDER HEAD AND INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/077002 [patent_app_country] => US [patent_app_date] => 2016-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5860 [patent_no_of_claims] => 4 [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] => 15077002 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/077002
Cylinder head and internal combustion engine Mar 21, 2016 Issued
Array ( [id] => 12510771 [patent_doc_number] => 10001048 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-19 [patent_title] => Cyclonic thermal diffuser and method [patent_app_type] => utility [patent_app_number] => 15/075480 [patent_app_country] => US [patent_app_date] => 2016-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3024 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15075480 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/075480
Cyclonic thermal diffuser and method Mar 20, 2016 Issued
Array ( [id] => 11915993 [patent_doc_number] => 09784169 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-10 [patent_title] => 'Two-port integrated exhaust manifold for an internal combustion engine having three cylinders' [patent_app_type] => utility [patent_app_number] => 15/069113 [patent_app_country] => US [patent_app_date] => 2016-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 12644 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15069113 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/069113
Two-port integrated exhaust manifold for an internal combustion engine having three cylinders Mar 13, 2016 Issued
Array ( [id] => 13959035 [patent_doc_number] => 20190055861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => DEVICE FOR CONTROLLING AT LEAST ONE VALVE IN AN INTERNAL COMBUSTION ENGINE [patent_app_type] => utility [patent_app_number] => 16/078723 [patent_app_country] => US [patent_app_date] => 2016-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16078723 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/078723
Device for controlling at least one valve in an internal combustion engine Mar 13, 2016 Issued
Array ( [id] => 10998049 [patent_doc_number] => 20160194995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'FLOW MIXING DEVICE FOR AN EXHAUST AFTER-TREATMENT SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/067204 [patent_app_country] => US [patent_app_date] => 2016-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3652 [patent_no_of_claims] => 2 [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] => 15067204 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/067204
FLOW MIXING DEVICE FOR AN EXHAUST AFTER-TREATMENT SYSTEM Mar 10, 2016 Abandoned
Array ( [id] => 12450288 [patent_doc_number] => 09982619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-29 [patent_title] => Device and method for detecting abnormality in rotation phase detection device, and rotation position control device using same [patent_app_type] => utility [patent_app_number] => 15/555185 [patent_app_country] => US [patent_app_date] => 2016-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 22 [patent_no_of_words] => 13980 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15555185 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/555185
Device and method for detecting abnormality in rotation phase detection device, and rotation position control device using same Mar 1, 2016 Issued
Array ( [id] => 10980846 [patent_doc_number] => 20160177790 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'LASH ADJUSTER AND METHOD OF MAKING SAME' [patent_app_type] => utility [patent_app_number] => 15/058689 [patent_app_country] => US [patent_app_date] => 2016-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4582 [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] => 15058689 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/058689
Lash adjuster and method of making same Mar 1, 2016 Issued
Array ( [id] => 10822900 [patent_doc_number] => 20160169064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'METHOD FOR OPTIMIZING RESPONSE TIME OF HYDRAULIC LATCH-PIN IN CYLINDER DEACTIVATION ROCKER ARM' [patent_app_type] => utility [patent_app_number] => 15/053231 [patent_app_country] => US [patent_app_date] => 2016-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5939 [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] => 15053231 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/053231
METHOD FOR OPTIMIZING RESPONSE TIME OF HYDRAULIC LATCH-PIN IN CYLINDER DEACTIVATION ROCKER ARM Feb 24, 2016 Abandoned
Array ( [id] => 12929233 [patent_doc_number] => 09828884 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-28 [patent_title] => System and method for preheating a heat recovery steam generator [patent_app_type] => utility [patent_app_number] => 15/053344 [patent_app_country] => US [patent_app_date] => 2016-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6492 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15053344 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/053344
System and method for preheating a heat recovery steam generator Feb 24, 2016 Issued
Array ( [id] => 12038177 [patent_doc_number] => 09816400 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-11-14 [patent_title] => 'Process and method using low temperature sources to produce electric power and desalinate water' [patent_app_type] => utility [patent_app_number] => 15/053802 [patent_app_country] => US [patent_app_date] => 2016-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4156 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 319 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15053802 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/053802
Process and method using low temperature sources to produce electric power and desalinate water Feb 24, 2016 Issued
Array ( [id] => 11084580 [patent_doc_number] => 20160281545 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-09-29 [patent_title] => 'Versatile Pinch Point Avoidance Recuperator for Supercritical Carbon Dioxide Power Generation Systems' [patent_app_type] => utility [patent_app_number] => 15/052005 [patent_app_country] => US [patent_app_date] => 2016-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1750 [patent_no_of_claims] => 11 [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] => 15052005 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/052005
Versatile pinch point avoidance recuperator for supercritical carbon dioxide power generation systems Feb 23, 2016 Issued
Array ( [id] => 11852500 [patent_doc_number] => 20170226992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'Geothermal Power Plant' [patent_app_type] => utility [patent_app_number] => 15/040491 [patent_app_country] => US [patent_app_date] => 2016-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2157 [patent_no_of_claims] => 11 [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] => 15040491 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/040491
Geothermal Power Plant Feb 9, 2016 Abandoned
Array ( [id] => 13690717 [patent_doc_number] => 20170356313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-14 [patent_title] => CENTRAL VALVE FOR A CAMSHAFT ADJUSTMENT DEVICE [patent_app_type] => utility [patent_app_number] => 15/540285 [patent_app_country] => US [patent_app_date] => 2016-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15540285 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/540285
Central valve for a camshaft adjustment device Jan 13, 2016 Issued
Array ( [id] => 14120419 [patent_doc_number] => 10247060 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Control valve having an outflow channel [patent_app_type] => utility [patent_app_number] => 15/540624 [patent_app_country] => US [patent_app_date] => 2016-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3083 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15540624 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/540624
Control valve having an outflow channel Jan 13, 2016 Issued
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