
Ching Chang
Examiner (ID: 13656, 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] => 11583480
[patent_doc_number] => 09638109
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-05-02
[patent_title] => 'Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/220645
[patent_app_country] => US
[patent_app_date] => 2014-03-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 18
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220645
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/220645 | Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine | Mar 19, 2014 | Issued |
Array
(
[id] => 10122987
[patent_doc_number] => 09157340
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-10-13
[patent_title] => 'Dual feed hydraulic lash adjuster for valve actuating mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/220227
[patent_app_country] => US
[patent_app_date] => 2014-03-20
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220227
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/220227 | Dual feed hydraulic lash adjuster for valve actuating mechanism | Mar 19, 2014 | Issued |
Array
(
[id] => 11257226
[patent_doc_number] => 09482120
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-11-01
[patent_title] => 'Retention device for valve actuating mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/220191
[patent_app_country] => US
[patent_app_date] => 2014-03-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220191
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/220191 | Retention device for valve actuating mechanism | Mar 19, 2014 | Issued |
Array
(
[id] => 11464471
[patent_doc_number] => 09581092
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-02-28
[patent_title] => 'Control device for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/779222
[patent_app_country] => US
[patent_app_date] => 2014-03-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14779222
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/779222 | Control device for internal combustion engine | Mar 17, 2014 | Issued |
Array
(
[id] => 9942065
[patent_doc_number] => 08991351
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-03-31
[patent_title] => 'Needle roller cam follower for higher mileage applications of light, medium and heavy duty vehicles'
[patent_app_type] => utility
[patent_app_number] => 14/211916
[patent_app_country] => US
[patent_app_date] => 2014-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14211916
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/211916 | Needle roller cam follower for higher mileage applications of light, medium and heavy duty vehicles | Mar 13, 2014 | Issued |
Array
(
[id] => 10671627
[patent_doc_number] => 20160017772
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2016-01-21
[patent_title] => 'VALVE OPENING/CLOSING TIMING CONTROL DEVICE, AND PRODUCTION METHOD FOR DRIVE SIDE ROTATIONAL BODY OF VALVE OPENING/CLOSING TIMING CONTROL DEVICE'
[patent_app_type] => utility
[patent_app_number] => 14/774067
[patent_app_country] => US
[patent_app_date] => 2014-03-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14774067
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/774067 | VALVE OPENING/CLOSING TIMING CONTROL DEVICE, AND PRODUCTION METHOD FOR DRIVE SIDE ROTATIONAL BODY OF VALVE OPENING/CLOSING TIMING CONTROL DEVICE | Mar 13, 2014 | Abandoned |
Array
(
[id] => 12017483
[patent_doc_number] => 09810177
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2017-11-07
[patent_title] => 'Internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/760069
[patent_app_country] => US
[patent_app_date] => 2014-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 4509
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14760069
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/760069 | Internal combustion engine | Mar 11, 2014 | Issued |
Array
(
[id] => 11298379
[patent_doc_number] => 09506379
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-11-29
[patent_title] => 'Concentric camshaft phaser'
[patent_app_type] => utility
[patent_app_number] => 14/201214
[patent_app_country] => US
[patent_app_date] => 2014-03-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 3196
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14201214
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/201214 | Concentric camshaft phaser | Mar 6, 2014 | Issued |
Array
(
[id] => 10064401
[patent_doc_number] => 09103236
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-08-11
[patent_title] => 'Cam follower'
[patent_app_type] => utility
[patent_app_number] => 14/193328
[patent_app_country] => US
[patent_app_date] => 2014-02-28
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14193328
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/193328 | Cam follower | Feb 27, 2014 | Issued |
Array
(
[id] => 9666902
[patent_doc_number] => 20140230765
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-21
[patent_title] => 'VALVE COVER'
[patent_app_type] => utility
[patent_app_number] => 14/185015
[patent_app_country] => US
[patent_app_date] => 2014-02-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14185015
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/185015 | Valve cover | Feb 19, 2014 | Issued |
Array
(
[id] => 9681564
[patent_doc_number] => 20140238326
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-28
[patent_title] => 'VALVE OPERATING DEVICE OF ENGINE'
[patent_app_type] => utility
[patent_app_number] => 14/184346
[patent_app_country] => US
[patent_app_date] => 2014-02-19
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14184346
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/184346 | Valve operating device of engine | Feb 18, 2014 | Issued |
Array
(
[id] => 9533449
[patent_doc_number] => 20140158095
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-06-12
[patent_title] => 'CONDENSATE MANAGEMENT FOR MOTOR-VEHICLE COMPRESSED AIR STORAGE SYSTEMS'
[patent_app_type] => utility
[patent_app_number] => 14/183141
[patent_app_country] => US
[patent_app_date] => 2014-02-18
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14183141
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/183141 | Condensate management for motor-vehicle compressed air storage systems | Feb 17, 2014 | Issued |
Array
(
[id] => 9653192
[patent_doc_number] => 20140224197
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-08-14
[patent_title] => 'VALVE TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/178989 | Valve timing control system for internal combustion engine | Feb 11, 2014 | Issued |
Array
(
[id] => 11357870
[patent_doc_number] => 09534515
[patent_country] => US
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[patent_issue_date] => 2017-01-03
[patent_title] => 'Camshaft phaser'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/786883 | Camshaft phaser | Feb 10, 2014 | Issued |
Array
(
[id] => 12368934
[patent_doc_number] => 09957849
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2018-05-01
[patent_title] => Camshaft adjuster
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Array
(
[id] => 10723077
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[rel_patent_id] =>[rel_patent_doc_number] =>) 14/779457 | Camshaft adjusting device | Feb 10, 2014 | Issued |
Array
(
[id] => 9962689
[patent_doc_number] => 09010291
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[patent_issue_date] => 2015-04-21
[patent_title] => 'Lash adjuster'
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Array
(
[id] => 9887304
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Array
(
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Array
(
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