
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] => 11250835
[patent_doc_number] => 09476327
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-10-25
[patent_title] => 'Camshaft adjusting device'
[patent_app_type] => utility
[patent_app_number] => 14/394071
[patent_app_country] => US
[patent_app_date] => 2013-03-22
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14394071
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/394071 | Camshaft adjusting device | Mar 21, 2013 | Issued |
Array
(
[id] => 9753074
[patent_doc_number] => 20140283774
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-09-25
[patent_title] => 'ROCKER ARM ASSEMBLY AND METHOD OF LUBRICATING A VALVE TRAIN'
[patent_app_type] => utility
[patent_app_number] => 13/848844
[patent_app_country] => US
[patent_app_date] => 2013-03-22
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13848844
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/848844 | ROCKER ARM ASSEMBLY AND METHOD OF LUBRICATING A VALVE TRAIN | Mar 21, 2013 | Abandoned |
Array
(
[id] => 10267753
[patent_doc_number] => 20150152751
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-06-04
[patent_title] => 'CAMSHAFT ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/397656
[patent_app_country] => US
[patent_app_date] => 2013-03-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/397656 | Camshaft adjuster | Mar 20, 2013 | Issued |
Array
(
[id] => 9913275
[patent_doc_number] => 20150068478
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-03-12
[patent_title] => 'CAMSHAFT ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/395003
[patent_app_country] => US
[patent_app_date] => 2013-03-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14395003
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/395003 | Camshaft adjuster | Mar 19, 2013 | Issued |
Array
(
[id] => 9689702
[patent_doc_number] => 08820284
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-09-02
[patent_title] => 'Variable valve gear for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 13/847380
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/847380 | Variable valve gear for internal combustion engine | Mar 18, 2013 | Issued |
Array
(
[id] => 9050136
[patent_doc_number] => 20130247850
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-09-26
[patent_title] => 'CONTROL UNIT FOR VARIABLE VALVE TIMING MECHANISM AND CONTROL METHOD FOR VARIABLE VALVE TIMING MECHANISM'
[patent_app_type] => utility
[patent_app_number] => 13/845815
[patent_app_country] => US
[patent_app_date] => 2013-03-18
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/845815 | Control unit for variable valve timing mechanism and control method for variable valve timing mechanism | Mar 17, 2013 | Issued |
Array
(
[id] => 9117214
[patent_doc_number] => 20130284136
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-10-31
[patent_title] => 'NESTED LOCKING MECHANISM FOR SWITCHABLE ROLLER FINGER FOLLOWER'
[patent_app_type] => utility
[patent_app_number] => 13/837382
[patent_app_country] => US
[patent_app_date] => 2013-03-15
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13837382
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/837382 | Nested locking mechanism for switchable roller finger follower | Mar 14, 2013 | Issued |
Array
(
[id] => 9197467
[patent_doc_number] => 20130336782
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-12-19
[patent_title] => 'TRIPOD BUCKLE FOR SPLIT FAIRING OF A GAS TURBINE ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/832458
[patent_app_country] => US
[patent_app_date] => 2013-03-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13832458
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/832458 | Tripod buckle for split fairing of a gas turbine engine | Mar 14, 2013 | Issued |
Array
(
[id] => 9725562
[patent_doc_number] => 20140261265
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-09-18
[patent_title] => 'LOW FRICTION CAMSHAFT WITH ELECTRIC PHASER'
[patent_app_type] => utility
[patent_app_number] => 13/829985
[patent_app_country] => US
[patent_app_date] => 2013-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13829985
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/829985 | LOW FRICTION CAMSHAFT WITH ELECTRIC PHASER | Mar 13, 2013 | Abandoned |
Array
(
[id] => 9821963
[patent_doc_number] => 08931443
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-01-13
[patent_title] => 'Variable displacement solenoid control'
[patent_app_type] => utility
[patent_app_number] => 13/830205
[patent_app_country] => US
[patent_app_date] => 2013-03-14
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13830205
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/830205 | Variable displacement solenoid control | Mar 13, 2013 | Issued |
Array
(
[id] => 9646511
[patent_doc_number] => 08800515
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2014-08-12
[patent_title] => 'Cam torque actuated variable camshaft timing device with a bi-directional oil pressure bias circuit'
[patent_app_type] => utility
[patent_app_number] => 13/799731
[patent_app_country] => US
[patent_app_date] => 2013-03-13
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13799731
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/799731 | Cam torque actuated variable camshaft timing device with a bi-directional oil pressure bias circuit | Mar 12, 2013 | Issued |
Array
(
[id] => 9715548
[patent_doc_number] => 20140251246
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-09-11
[patent_title] => 'METHOD AND SYSTEMS FOR VARIABLE VALVE TIMING FOR A V-ENGINE WITH A SINGLE CENTRAL CAMSHAFT'
[patent_app_type] => utility
[patent_app_number] => 13/786530
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/786530 | Method and systems for variable valve timing for a V-engine with a single central camshaft | Mar 5, 2013 | Issued |
Array
(
[id] => 9037281
[patent_doc_number] => 20130239919
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-09-19
[patent_title] => 'THREE ARM FINGER FOLLOWER WITH CAM SWITCHING PROFILE AND COMPRESSION LOST MOTION SPRINGS'
[patent_app_type] => utility
[patent_app_number] => 13/783532
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/783532 | Three arm finger follower with cam switching profile and compression lost motion springs | Mar 3, 2013 | Issued |
Array
(
[id] => 10169821
[patent_doc_number] => 09200524
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-12-01
[patent_title] => 'Steam turbine rotor'
[patent_app_type] => utility
[patent_app_number] => 13/777373
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13777373
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/777373 | Steam turbine rotor | Feb 25, 2013 | Issued |
Array
(
[id] => 9550080
[patent_doc_number] => 08757118
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[patent_kind] => B2
[patent_issue_date] => 2014-06-24
[patent_title] => 'Shim for valve drive mechanism, and valve drive mechanism'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/773870 | Shim for valve drive mechanism, and valve drive mechanism | Feb 21, 2013 | Issued |
Array
(
[id] => 10156261
[patent_doc_number] => 09188024
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[patent_kind] => B2
[patent_issue_date] => 2015-11-17
[patent_title] => 'Exhaust section for bypass gas turbine engines'
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[patent_app_number] => 13/773670
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/773670 | Exhaust section for bypass gas turbine engines | Feb 21, 2013 | Issued |
Array
(
[id] => 10523175
[patent_doc_number] => 09249677
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[patent_kind] => B1
[patent_issue_date] => 2016-02-02
[patent_title] => 'Blade pitch-controlled wind turbine system'
[patent_app_type] => utility
[patent_app_number] => 13/774015
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13774015
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/774015 | Blade pitch-controlled wind turbine system | Feb 21, 2013 | Issued |
Array
(
[id] => 10588167
[patent_doc_number] => 09309772
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-04-12
[patent_title] => 'Hybrid turbine blade including multiple insert sections'
[patent_app_type] => utility
[patent_app_number] => 13/774581
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/774581 | Hybrid turbine blade including multiple insert sections | Feb 21, 2013 | Issued |
Array
(
[id] => 9685130
[patent_doc_number] => 20140241893
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[patent_kind] => A1
[patent_issue_date] => 2014-08-28
[patent_title] => 'SYSTEM FOR SPECIFYING AN INSTALLATION POSITION OF ROTOR BLADES, SECURING ELEMENT, ROTOR BLADE, TURBOMACHINE, AND METHOD'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/775115 | System for specifying an installation position of rotor blades, securing element, rotor blade, turbomachine, and method | Feb 21, 2013 | Issued |
Array
(
[id] => 10528781
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[patent_title] => 'Cooling fluid pump for cooling a marine engine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/772088 | Cooling fluid pump for cooling a marine engine | Feb 19, 2013 | Issued |