
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] => 9638093
[patent_doc_number] => 20140216202
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-07
[patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/172279
[patent_app_country] => US
[patent_app_date] => 2014-02-04
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14172279
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/172279 | Valve timing control apparatus for internal combustion engine | Feb 3, 2014 | Issued |
Array
(
[id] => 11250836
[patent_doc_number] => 09476328
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-10-25
[patent_title] => 'Device for effecting an axial shift of a rotary shaft for use in a variable camshaft drive mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/764257
[patent_app_country] => US
[patent_app_date] => 2014-01-27
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14764257
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/764257 | Device for effecting an axial shift of a rotary shaft for use in a variable camshaft drive mechanism | Jan 26, 2014 | Issued |
Array
(
[id] => 10492061
[patent_doc_number] => 20150377083
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-12-31
[patent_title] => 'CAM PROFILE SUMMATION MECHANISM'
[patent_app_type] => utility
[patent_app_number] => 14/765646
[patent_app_country] => US
[patent_app_date] => 2014-01-24
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/765646 | CAM PROFILE SUMMATION MECHANISM | Jan 23, 2014 | Abandoned |
Array
(
[id] => 10193475
[patent_doc_number] => 09222375
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-12-29
[patent_title] => 'Variable valve actuation apparatus, system, and method'
[patent_app_type] => utility
[patent_app_number] => 14/162161
[patent_app_country] => US
[patent_app_date] => 2014-01-23
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/162161 | Variable valve actuation apparatus, system, and method | Jan 22, 2014 | Issued |
Array
(
[id] => 11257224
[patent_doc_number] => 09482118
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-11-01
[patent_title] => 'Tappet'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/761416 | Tappet | Jan 19, 2014 | Issued |
Array
(
[id] => 11635650
[patent_doc_number] => 09657610
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-05-23
[patent_title] => 'Hydraulic camshaft adjusting device with spherical section-like lock'
[patent_app_type] => utility
[patent_app_number] => 14/768746
[patent_app_country] => US
[patent_app_date] => 2014-01-17
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/768746 | Hydraulic camshaft adjusting device with spherical section-like lock | Jan 16, 2014 | Issued |
Array
(
[id] => 10104372
[patent_doc_number] => 09140148
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-09-22
[patent_title] => 'Single lobe deactivating rocker arm'
[patent_app_type] => utility
[patent_app_number] => 14/154319
[patent_app_country] => US
[patent_app_date] => 2014-01-14
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/154319 | Single lobe deactivating rocker arm | Jan 13, 2014 | Issued |
Array
(
[id] => 9612550
[patent_doc_number] => 20140202407
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-07-24
[patent_title] => 'STARTING DEVICE OF SPARK-IGNITION MULTI-CYLINDER ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/154042
[patent_app_country] => US
[patent_app_date] => 2014-01-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14154042
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/154042 | Starting device of spark-ignition multi-cylinder engine | Jan 12, 2014 | Issued |
Array
(
[id] => 10136430
[patent_doc_number] => 09169745
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-10-27
[patent_title] => 'Engine having continuously variable valve timing mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/145473
[patent_app_country] => US
[patent_app_date] => 2013-12-31
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/145473 | Engine having continuously variable valve timing mechanism | Dec 30, 2013 | Issued |
Array
(
[id] => 10216559
[patent_doc_number] => 20150101553
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-04-16
[patent_title] => 'ENGINE HAVING CONTINUOUS VARIABLE TIMING DEVICE'
[patent_app_type] => utility
[patent_app_number] => 14/145295
[patent_app_country] => US
[patent_app_date] => 2013-12-31
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14145295
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/145295 | Engine having continuous variable timing device | Dec 30, 2013 | Issued |
Array
(
[id] => 10104371
[patent_doc_number] => 09140147
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-09-22
[patent_title] => 'Multiple variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 14/145446
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/145446 | Multiple variable valve lift apparatus | Dec 30, 2013 | Issued |
Array
(
[id] => 9955849
[patent_doc_number] => 09004031
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2015-04-14
[patent_title] => 'Connecting structure of multiple variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 14/144288
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/144288 | Connecting structure of multiple variable valve lift apparatus | Dec 29, 2013 | Issued |
Array
(
[id] => 9913272
[patent_doc_number] => 20150068475
[patent_country] => US
[patent_kind] => A1
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[patent_title] => 'CONTINUOUSLY VARIABLE VALVE LIFT/TIMING APPARATUS'
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Array
(
[id] => 10110395
[patent_doc_number] => 09145800
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-09-29
[patent_title] => 'Sealing device and camshaft adjuster'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/135070 | Sealing device and camshaft adjuster | Dec 18, 2013 | Issued |
Array
(
[id] => 9612548
[patent_doc_number] => 20140202405
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-07-24
[patent_title] => 'VARIABLE VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE AND METHOD FOR ASSEMBLING THE SAME'
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Array
(
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Array
(
[id] => 9417739
[patent_doc_number] => 20140102389
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[patent_issue_date] => 2014-04-17
[patent_title] => 'INTERNAL COMBUSTION ENGINE VALVE DRIVE DEVICE FOR A MOTOR VEHICLE'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/106750 | Internal combustion engine valve drive device for a motor vehicle | Dec 13, 2013 | Issued |
Array
(
[id] => 10686644
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[patent_title] => 'CAMSHAFT ADJUSTER'
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Array
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Array
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