
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] => 10694416
[patent_doc_number] => 20160040562
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-02-11
[patent_title] => 'METHOD FOR MANUFACTURING A SLIDING TAPPET'
[patent_app_type] => utility
[patent_app_number] => 14/821016
[patent_app_country] => US
[patent_app_date] => 2015-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14821016
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/821016 | Method for manufacturing a sliding tappet | Aug 6, 2015 | Issued |
Array
(
[id] => 10694460
[patent_doc_number] => 20160040606
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-02-11
[patent_title] => 'CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/818483
[patent_app_country] => US
[patent_app_date] => 2015-08-05
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/818483 | Control apparatus for internal combustion engine | Aug 4, 2015 | Issued |
Array
(
[id] => 12031479
[patent_doc_number] => 20170321578
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-11-09
[patent_title] => 'CAMSHAFT HAVING AT LEAST ONE AXIALLY FIXED SLIDING ELEMENT'
[patent_app_type] => utility
[patent_app_number] => 15/524295
[patent_app_country] => US
[patent_app_date] => 2015-08-04
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/524295 | Camshaft having at least one axially fixed sliding element | Aug 3, 2015 | Issued |
Array
(
[id] => 12024326
[patent_doc_number] => 20170314425
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2017-11-02
[patent_title] => 'CAMSHAFT COMPRISING AN AXIALLY GUIDED SLIDING ELEMENT'
[patent_app_type] => utility
[patent_app_number] => 15/524663
[patent_app_country] => US
[patent_app_date] => 2015-08-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/524663 | Camshaft comprising an axially guided sliding element | Aug 2, 2015 | Issued |
Array
(
[id] => 14172767
[patent_doc_number] => 10260383
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2019-04-16
[patent_title] => Control valve with check valve
[patent_app_type] => utility
[patent_app_number] => 15/518627
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/518627 | Control valve with check valve | Jul 29, 2015 | Issued |
Array
(
[id] => 10686643
[patent_doc_number] => 20160032788
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-02-04
[patent_title] => 'VARIABLE VALVE DEVICE FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/812183
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/812183 | Variable valve device for internal combustion engine | Jul 28, 2015 | Issued |
Array
(
[id] => 11415629
[patent_doc_number] => 09562447
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-02-07
[patent_title] => 'Valve timing control device'
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[patent_app_number] => 14/808642
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/808642 | Valve timing control device | Jul 23, 2015 | Issued |
Array
(
[id] => 11915967
[patent_doc_number] => 09784144
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-10-10
[patent_title] => 'Camshaft phaser with a rotary valve spool'
[patent_app_type] => utility
[patent_app_number] => 14/803491
[patent_app_country] => US
[patent_app_date] => 2015-07-20
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/803491 | Camshaft phaser with a rotary valve spool | Jul 19, 2015 | Issued |
Array
(
[id] => 11192028
[patent_doc_number] => 09422836
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-08-23
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => utility
[patent_app_number] => 14/800862
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/800862 | Valve timing control apparatus | Jul 15, 2015 | Issued |
Array
(
[id] => 11737702
[patent_doc_number] => 09702276
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-07-11
[patent_title] => 'System comprising an accumulator upstream of a lost motion component in a valve bridge'
[patent_app_type] => utility
[patent_app_number] => 14/799837
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14799837
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/799837 | System comprising an accumulator upstream of a lost motion component in a valve bridge | Jul 14, 2015 | Issued |
Array
(
[id] => 10664374
[patent_doc_number] => 20160010517
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-01-14
[patent_title] => 'VALVE GEAR FOR ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/797053
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/797053 | Valve gear for engine | Jul 9, 2015 | Issued |
Array
(
[id] => 11785438
[patent_doc_number] => 09394810
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[patent_title] => 'Valve timing controller'
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Array
(
[id] => 11231519
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Array
(
[id] => 10664372
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[patent_title] => 'VALVE TIMING CONTROL APPARATUS'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/791581 | Valve timing control apparatus | Jul 5, 2015 | Issued |
Array
(
[id] => 10714918
[patent_doc_number] => 20160061065
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[patent_kind] => A1
[patent_issue_date] => 2016-03-03
[patent_title] => 'TORSION ASSEMBLY FOR CONTROLLABLY PROVIDING TORQUE TO A CAMSHAFT'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/789528 | Torsion assembly for controllably providing torque to a camshaft | Jun 30, 2015 | Issued |
Array
(
[id] => 10492059
[patent_doc_number] => 20150377081
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[patent_issue_date] => 2015-12-31
[patent_title] => 'CAM ROCKER LEVER FOR OPERATING VALVES'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/753739 | Cam rocker lever for operating valves | Jun 28, 2015 | Issued |
Array
(
[id] => 11429569
[patent_doc_number] => 09567878
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[patent_issue_date] => 2017-02-14
[patent_title] => 'Actuator for hydraulic valve of cam phaser and hydraulic valve with actuator for cam phaser'
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Array
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Array
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/744401 | Switchable finger follower with lash adjustment shim | Jun 18, 2015 | Issued |