
Ching Chang
Examiner (ID: 3427, Phone: (571)272-4857 , Office: P/3748 )
| Most Active Art Unit | 3748 |
| Art Unit(s) | 3748, 3746 |
| Total Applications | 1871 |
| Issued Applications | 1700 |
| Pending Applications | 11 |
| Abandoned Applications | 170 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 9321859
[patent_doc_number] => 08656872
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2014-02-25
[patent_title] => 'Variable lift hydraulic valve train'
[patent_app_type] => utility
[patent_app_number] => 13/230372
[patent_app_country] => US
[patent_app_date] => 2011-09-12
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13230372
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/230372 | Variable lift hydraulic valve train | Sep 11, 2011 | Issued |
Array
(
[id] => 9187973
[patent_doc_number] => 20130327288
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-12
[patent_title] => 'CAMSHAFT ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/884453
[patent_app_country] => US
[patent_app_date] => 2011-09-02
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13884453
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/884453 | Camshaft adjuster for an internal combustion engine | Sep 1, 2011 | Issued |
Array
(
[id] => 9638266
[patent_doc_number] => 20140216375
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-07
[patent_title] => 'VEHICLE ENGINE CONTROL DEVICE'
[patent_app_type] => utility
[patent_app_number] => 14/342279
[patent_app_country] => US
[patent_app_date] => 2011-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14342279
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/342279 | Vehicle engine control device | Sep 1, 2011 | Issued |
Array
(
[id] => 9660141
[patent_doc_number] => 08807104
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-08-19
[patent_title] => 'Mechanically controllable valve operating mechanism, and mechanically controllable valve operating mechanism arrangement'
[patent_app_type] => utility
[patent_app_number] => 13/879807
[patent_app_country] => US
[patent_app_date] => 2011-08-31
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13879807
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/879807 | Mechanically controllable valve operating mechanism, and mechanically controllable valve operating mechanism arrangement | Aug 30, 2011 | Issued |
Array
(
[id] => 9103600
[patent_doc_number] => 20130276731
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-24
[patent_title] => 'VARIABLE VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/824496 | Variable valve operating apparatus for internal combustion engine | Aug 28, 2011 | Issued |
Array
(
[id] => 8959728
[patent_doc_number] => 20130199330
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-08-08
[patent_title] => 'ACTUATOR DEVICE FOR ADJUSTING A SLIDING CAM SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 13/877574
[patent_app_country] => US
[patent_app_date] => 2011-08-22
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/877574 | Actuator device for adjusting a sliding cam system | Aug 21, 2011 | Issued |
Array
(
[id] => 8668289
[patent_doc_number] => 20130042826
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-02-21
[patent_title] => 'ENGINE ASSEMBLY INCLUDING VALVETRAIN LUBRICATION SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 13/211754
[patent_app_country] => US
[patent_app_date] => 2011-08-17
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13211754
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/211754 | Engine assembly including valvetrain lubrication system | Aug 16, 2011 | Issued |
Array
(
[id] => 9599996
[patent_doc_number] => 20140196677
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-07-17
[patent_title] => 'PHASE VARYING APPARATUS FOR AUTOMOBILE ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/238380
[patent_app_country] => US
[patent_app_date] => 2011-08-12
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14238380
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/238380 | Phase varying apparatus for automobile engine | Aug 11, 2011 | Issued |
Array
(
[id] => 7771717
[patent_doc_number] => 20120037102
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-16
[patent_title] => 'Valve drive control device'
[patent_app_type] => utility
[patent_app_number] => 13/136759
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[firstpage_image] =>[orig_patent_app_number] => 13136759
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/136759 | Valve drive control device | Aug 9, 2011 | Issued |
Array
(
[id] => 9373710
[patent_doc_number] => 08677960
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-03-25
[patent_title] => 'Camshaft adjuster, in particular with camshaft'
[patent_app_type] => utility
[patent_app_number] => 13/136570
[patent_app_country] => US
[patent_app_date] => 2011-08-03
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13136570
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/136570 | Camshaft adjuster, in particular with camshaft | Aug 2, 2011 | Issued |
Array
(
[id] => 7748657
[patent_doc_number] => 20120024248
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-02
[patent_title] => 'DRAG LEVER'
[patent_app_type] => utility
[patent_app_number] => 13/195933
[patent_app_country] => US
[patent_app_date] => 2011-08-02
[patent_effective_date] => 0000-00-00
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[firstpage_image] =>[orig_patent_app_number] => 13195933
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/195933 | Drag lever | Aug 1, 2011 | Issued |
Array
(
[id] => 9606070
[patent_doc_number] => 08783219
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-07-22
[patent_title] => 'Switchable cam follower'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/883873 | Switchable cam follower | Aug 1, 2011 | Issued |
Array
(
[id] => 9507908
[patent_doc_number] => 20140144400
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[patent_kind] => A1
[patent_issue_date] => 2014-05-29
[patent_title] => 'VALVE ACTUATION MECHANISM AND AUTOMOTIVE VEHICLE COMPRISING SUCH A VALVE ACTUATION MECHANISM'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/127270 | Valve actuation mechanism and automotive vehicle comprising such a valve actuation mechanism | Jul 21, 2011 | Issued |
Array
(
[id] => 9674796
[patent_doc_number] => 08813696
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-08-26
[patent_title] => 'Electro-hydraulic valve train'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/181136 | Electro-hydraulic valve train | Jul 11, 2011 | Issued |
Array
(
[id] => 8811116
[patent_doc_number] => 20130112161
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[patent_issue_date] => 2013-05-09
[patent_title] => 'VALVE TIMING CONTROL APPARATUS AND VALVE TIMING CONTROL MECHANISM'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/810180 | Valve timing control apparatus and valve timing control mechanism | Jul 6, 2011 | Issued |
Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/167063 | Valve train of an internal combustion engine | Jun 22, 2011 | Issued |
Array
(
[id] => 9230936
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[patent_title] => 'Variable valve driving apparatus'
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Array
(
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Array
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/166014 | Cam and associated camshaft | Jun 21, 2011 | Issued |
Array
(
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