
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 5425028
[patent_doc_number] => 20090084338
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-02
[patent_title] => 'EXHAUST CONTROL DEVICE FOR VEHICLE ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/238249
[patent_app_country] => US
[patent_app_date] => 2008-09-25
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/238249 | Exhaust control device for vehicle engine | Sep 24, 2008 | Issued |
Array
(
[id] => 8953780
[patent_doc_number] => 08499546
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-08-06
[patent_title] => 'Methods for reducing engine exhaust emissions'
[patent_app_type] => utility
[patent_app_number] => 12/201564
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Array
(
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[patent_doc_number] => 20100089035
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[patent_kind] => A1
[patent_issue_date] => 2010-04-15
[patent_title] => 'EXHAUST GAS CLEANING SYSTEM FOR CONSTRUCTION MACHINE'
[patent_app_type] => utility
[patent_app_number] => 12/523810
[patent_app_country] => US
[patent_app_date] => 2008-08-06
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/523810 | Exhaust gas cleaning system for construction machine | Aug 5, 2008 | Issued |
Array
(
[id] => 8575737
[patent_doc_number] => 08341941
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[patent_issue_date] => 2013-01-01
[patent_title] => 'Exhaust purification device of internal combustion engine'
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Array
(
[id] => 8525815
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/521710 | Degradation diagnosis device for catalyst | Jun 3, 2008 | Issued |
Array
(
[id] => 11198887
[patent_doc_number] => 09429090
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[patent_issue_date] => 2016-08-30
[patent_title] => 'Method of estimating catalyst temperature of a multi-displacement internal combustion engine'
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Array
(
[id] => 6422757
[patent_doc_number] => 20100186372
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[patent_title] => 'METHOD FOR REGENERATING A PARTICULATE FILTER OF AN INTERNAL-COMBUSTION ENGINE'
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[firstpage_image] =>[orig_patent_app_number] => 12602209
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/602209 | Method for regenerating a particulate filter of an internal-combustion engine | May 27, 2008 | Issued |
Array
(
[id] => 6065017
[patent_doc_number] => 20110041487
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[patent_kind] => A1
[patent_issue_date] => 2011-02-24
[patent_title] => 'CATALYST APPARATUS AND EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/990616
[patent_app_country] => US
[patent_app_date] => 2008-05-02
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/990616 | Catalyst apparatus and exhaust gas purification system for internal combustion engine | May 1, 2008 | Issued |
Array
(
[id] => 5922840
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[patent_kind] => A1
[patent_issue_date] => 2011-02-17
[patent_title] => 'EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/989594 | EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE | Apr 24, 2008 | Abandoned |
Array
(
[id] => 6392497
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[patent_title] => 'Exhaust Purification Device of Internal Combustion Engine'
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Array
(
[id] => 6244608
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[patent_title] => 'EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE'
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Array
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[id] => 8467864
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Array
(
[id] => 6400277
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[patent_title] => 'SECONDARY AIR SYSTEM FOR A COMBUSTION ENGINE BREATHING SYSTEM'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/523371 | SECONDARY AIR SYSTEM FOR A COMBUSTION ENGINE BREATHING SYSTEM | Jan 26, 2008 | Abandoned |
Array
(
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Array
(
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Array
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Array
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Array
(
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