
Ching Chang
Examiner (ID: 9323)
| Most Active Art Unit | 3748 |
| Art Unit(s) | 3746, 3748 |
| Total Applications | 1871 |
| Issued Applications | 1700 |
| Pending Applications | 11 |
| Abandoned Applications | 170 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 15384685
[patent_doc_number] => 10533516
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-01-14
[patent_title] => Internal combustion engine
[patent_app_type] => utility
[patent_app_number] => 15/901936
[patent_app_country] => US
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Array
(
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[patent_doc_number] => 10465573
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[patent_kind] => B2
[patent_issue_date] => 2019-11-05
[patent_title] => Internal combustion engine system
[patent_app_type] => utility
[patent_app_number] => 15/888563
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Array
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[patent_doc_number] => 20180283239
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[patent_kind] => A1
[patent_issue_date] => 2018-10-04
[patent_title] => INTERNAL COMBUSTION ENGINE AND METHOD OF ASSEMBLING THEREOF
[patent_app_type] => utility
[patent_app_number] => 15/884475
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[patent_app_date] => 2018-01-31
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Array
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[patent_kind] => B2
[patent_issue_date] => 2019-06-25
[patent_title] => Internal combustion engine system
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[patent_app_number] => 15/877437
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Array
(
[id] => 16215716
[patent_doc_number] => 10731517
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-08-04
[patent_title] => Valvetrain with rocker arm housing magnetic latch
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Array
(
[id] => 14626097
[patent_doc_number] => 20190226416
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-07-25
[patent_title] => KNOCK SENSOR SYSTEMS AND METHODS FOR VALVE RECESSION CONDITIONS
[patent_app_type] => utility
[patent_app_number] => 15/877363
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[patent_app_date] => 2018-01-22
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Array
(
[id] => 13315553
[patent_doc_number] => 20180209313
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[patent_kind] => A1
[patent_issue_date] => 2018-07-26
[patent_title] => DYNAMIC LOCKING AND RELEASING CAM LOBE
[patent_app_type] => utility
[patent_app_number] => 15/874693
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/874693 | Dynamic locking and releasing cam lobe | Jan 17, 2018 | Issued |
Array
(
[id] => 14717021
[patent_doc_number] => 20190249574
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-08-15
[patent_title] => Control Device and Control Method for Internal Combustion Engine
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 16/332925 | Control device and control method for internal combustion engine | Dec 14, 2017 | Issued |
Array
(
[id] => 15396793
[patent_doc_number] => 10539047
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-01-21
[patent_title] => Acting force transmission device for use with valve mechanism and method of manufacturing the same
[patent_app_type] => utility
[patent_app_number] => 15/837372
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Array
(
[id] => 14020033
[patent_doc_number] => 20190072010
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[patent_kind] => A1
[patent_issue_date] => 2019-03-07
[patent_title] => MULTIPLE VARIABLE VALVE LIFT APPARATUS
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/834755 | Multiple variable valve lift apparatus | Dec 6, 2017 | Issued |
Array
(
[id] => 12910735
[patent_doc_number] => 20180195421
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[patent_kind] => A1
[patent_issue_date] => 2018-07-12
[patent_title] => VARIABLE VALVE MECHANISM OF INTERNAL COMBUSTION ENGINE
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Array
(
[id] => 14200173
[patent_doc_number] => 10267189
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[patent_issue_date] => 2019-04-23
[patent_title] => Variable valve actuation device for internal combustion engine
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Array
(
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Array
(
[id] => 12815464
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[patent_title] => METHOD AND APPARATUS FOR DIAGNOSING ENGINE SYSTEM
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/831171 | Method and apparatus for diagnosing engine system | Dec 3, 2017 | Issued |
Array
(
[id] => 15542033
[patent_doc_number] => 10570786
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2020-02-25
[patent_title] => Rocker assembly having improved durability
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Array
(
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[patent_doc_number] => 20180156078
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[patent_title] => ENGINE VALVE LIFTER OIL FLOW CONTROL AND ANTI-ROTATION FEATURE
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/821159 | ENGINE VALVE LIFTER OIL FLOW CONTROL AND ANTI-ROTATION FEATURE | Nov 21, 2017 | Abandoned |
Array
(
[id] => 12771640
[patent_doc_number] => 20180149048
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[patent_title] => METHOD OF ADAPTIVELY CONTROLLING A MOTOR VEHICLE ENGINE SYSTEM
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[rel_patent_id] =>[rel_patent_doc_number] =>) 15/807739 | Method of adaptively controlling a motor vehicle engine system | Nov 8, 2017 | Issued |
Array
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