
Ching Chang
Examiner (ID: 13382, 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] => 5707387
[patent_doc_number] => 20060048731
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-03-09
[patent_title] => 'Variable valve timing controller'
[patent_app_type] => utility
[patent_app_number] => 11/221917
[patent_app_country] => US
[patent_app_date] => 2005-09-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3268
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[pdf_file] => publications/A1/0048/20060048731.pdf
[firstpage_image] =>[orig_patent_app_number] => 11221917
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/221917 | Variable valve timing controller | Sep 8, 2005 | Issued |
Array
(
[id] => 5144687
[patent_doc_number] => 20070044741
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-01
[patent_title] => 'Electromechanical valve actuator'
[patent_app_type] => utility
[patent_app_number] => 11/216756
[patent_app_country] => US
[patent_app_date] => 2005-08-31
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0044/20070044741.pdf
[firstpage_image] =>[orig_patent_app_number] => 11216756
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/216756 | Electromechanical valve actuator | Aug 30, 2005 | Abandoned |
Array
(
[id] => 509652
[patent_doc_number] => 07188595
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-03-13
[patent_title] => 'Variable valve actuation device of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/213916
[patent_app_country] => US
[patent_app_date] => 2005-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[pdf_file] => patents/07/188/07188595.pdf
[firstpage_image] =>[orig_patent_app_number] => 11213916
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/213916 | Variable valve actuation device of internal combustion engine | Aug 29, 2005 | Issued |
Array
(
[id] => 484570
[patent_doc_number] => 07213551
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-05-08
[patent_title] => 'Variable valve operating device'
[patent_app_type] => utility
[patent_app_number] => 10/579296
[patent_app_country] => US
[patent_app_date] => 2005-08-30
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 10691
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[pdf_file] => patents/07/213/07213551.pdf
[firstpage_image] =>[orig_patent_app_number] => 10579296
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/579296 | Variable valve operating device | Aug 29, 2005 | Issued |
Array
(
[id] => 5412680
[patent_doc_number] => 20090038567
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-12
[patent_title] => 'Variable valve operating device'
[patent_app_type] => utility
[patent_app_number] => 11/658568
[patent_app_country] => US
[patent_app_date] => 2005-08-30
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[patent_no_of_words] => 6167
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[pdf_file] => publications/A1/0038/20090038567.pdf
[firstpage_image] =>[orig_patent_app_number] => 11658568
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/658568 | Variable valve operating device | Aug 29, 2005 | Issued |
Array
(
[id] => 183271
[patent_doc_number] => 07644689
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-01-12
[patent_title] => 'Variable valve operating device'
[patent_app_type] => utility
[patent_app_number] => 11/658527
[patent_app_country] => US
[patent_app_date] => 2005-08-30
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[pdf_file] => patents/07/644/07644689.pdf
[firstpage_image] =>[orig_patent_app_number] => 11658527
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/658527 | Variable valve operating device | Aug 29, 2005 | Issued |
Array
(
[id] => 453271
[patent_doc_number] => 07243627
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-07-17
[patent_title] => 'Engine rotation condition detecting system and engine control method'
[patent_app_type] => utility
[patent_app_number] => 11/213898
[patent_app_country] => US
[patent_app_date] => 2005-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 3337
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/243/07243627.pdf
[firstpage_image] =>[orig_patent_app_number] => 11213898
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/213898 | Engine rotation condition detecting system and engine control method | Aug 29, 2005 | Issued |
Array
(
[id] => 5318669
[patent_doc_number] => 20090056659
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-03-05
[patent_title] => 'DIRECT-ACTING TYPE VALVE LIFTER FOR INTERNAL-COMBUSTION ENGINES'
[patent_app_type] => utility
[patent_app_number] => 11/997646
[patent_app_country] => US
[patent_app_date] => 2005-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 4795
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0056/20090056659.pdf
[firstpage_image] =>[orig_patent_app_number] => 11997646
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/997646 | DIRECT-ACTING TYPE VALVE LIFTER FOR INTERNAL-COMBUSTION ENGINES | Aug 25, 2005 | Abandoned |
Array
(
[id] => 703866
[patent_doc_number] => 07059284
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-06-13
[patent_title] => 'Internal combustion engine having valves with variable actuation and hydraulic actuating units which control the valves by means of rocker arms'
[patent_app_type] => utility
[patent_app_number] => 11/209958
[patent_app_country] => US
[patent_app_date] => 2005-08-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/059/07059284.pdf
[firstpage_image] =>[orig_patent_app_number] => 11209958
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/209958 | Internal combustion engine having valves with variable actuation and hydraulic actuating units which control the valves by means of rocker arms | Aug 22, 2005 | Issued |
Array
(
[id] => 5144688
[patent_doc_number] => 20070044742
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-01
[patent_title] => 'Method for controlling an engine having variable cam timing'
[patent_app_type] => utility
[patent_app_number] => 11/209452
[patent_app_country] => US
[patent_app_date] => 2005-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
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[patent_no_of_words] => 4049
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[pdf_file] => publications/A1/0044/20070044742.pdf
[firstpage_image] =>[orig_patent_app_number] => 11209452
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/209452 | Method for controlling an engine having variable cam timing | Aug 22, 2005 | Issued |
Array
(
[id] => 611559
[patent_doc_number] => 07146951
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-12
[patent_title] => 'Switchable cam follower'
[patent_app_type] => utility
[patent_app_number] => 11/210049
[patent_app_country] => US
[patent_app_date] => 2005-08-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/146/07146951.pdf
[firstpage_image] =>[orig_patent_app_number] => 11210049
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/210049 | Switchable cam follower | Aug 21, 2005 | Issued |
Array
(
[id] => 716073
[patent_doc_number] => 07047924
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-05-23
[patent_title] => 'Method for diagnosing the operational state of a two-step variable valve lift device'
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[patent_app_number] => 11/207364
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[firstpage_image] =>[orig_patent_app_number] => 11207364
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/207364 | Method for diagnosing the operational state of a two-step variable valve lift device | Aug 18, 2005 | Issued |
Array
(
[id] => 699511
[patent_doc_number] => 07063057
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[patent_title] => 'Method for effectively diagnosing the operational state of a variable valve lift device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/208297 | Method for effectively diagnosing the operational state of a variable valve lift device | Aug 18, 2005 | Issued |
Array
(
[id] => 9438353
[patent_doc_number] => RE044864
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[patent_kind] => E1
[patent_issue_date] => 2014-04-29
[patent_title] => 'Switching element for a valve train of an internal combustion engine'
[patent_app_type] => reissue
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11206280
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/206280 | Switching element for a valve train of an internal combustion engine | Aug 17, 2005 | Issued |
Array
(
[id] => 728352
[patent_doc_number] => 07036471
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-05-02
[patent_title] => 'Intake air control apparatus and method for internal combustion engine'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/206106 | Intake air control apparatus and method for internal combustion engine | Aug 17, 2005 | Issued |
Array
(
[id] => 5333624
[patent_doc_number] => 20090050088
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-26
[patent_title] => 'CAMSHAFT ADJUSTER'
[patent_app_type] => utility
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[patent_app_country] => US
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[pdf_file] => publications/A1/0050/20090050088.pdf
[firstpage_image] =>[orig_patent_app_number] => 11574435
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/574435 | Camshaft adjuster | Aug 8, 2005 | Issued |
Array
(
[id] => 692038
[patent_doc_number] => 07069891
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[patent_kind] => B2
[patent_issue_date] => 2006-07-04
[patent_title] => 'Valve operating assembly and method of manufacturing'
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[firstpage_image] =>[orig_patent_app_number] => 11200287
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/200287 | Valve operating assembly and method of manufacturing | Aug 8, 2005 | Issued |
Array
(
[id] => 5876680
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[patent_title] => 'Valve drive for charge-cycling valves of internal combustion engines'
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Array
(
[id] => 5048333
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[patent_issue_date] => 2007-02-08
[patent_title] => 'Detection of a specific faulted DOD electrohydraulic circuit'
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Array
(
[id] => 4755828
[patent_doc_number] => 20080308053
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[patent_title] => 'Variable Valve Drive Device, Engine, and Motorcycle'
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[firstpage_image] =>[orig_patent_app_number] => 11574299
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/574299 | Variable Valve Drive Device, Engine, and Motorcycle | Aug 1, 2005 | Abandoned |