
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] => 4549612
[patent_doc_number] => 07845321
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-07
[patent_title] => 'Controller for vane-type variable timing adjusting mechanism'
[patent_app_type] => utility
[patent_app_number] => 12/065366
[patent_app_country] => US
[patent_app_date] => 2007-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 22
[patent_no_of_words] => 11881
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/845/07845321.pdf
[firstpage_image] =>[orig_patent_app_number] => 12065366
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/065366 | Controller for vane-type variable timing adjusting mechanism | Apr 22, 2007 | Issued |
Array
(
[id] => 5222214
[patent_doc_number] => 20070251480
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-01
[patent_title] => 'Valve mechanism of engine'
[patent_app_type] => utility
[patent_app_number] => 11/790050
[patent_app_country] => US
[patent_app_date] => 2007-04-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0251/20070251480.pdf
[firstpage_image] =>[orig_patent_app_number] => 11790050
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/790050 | Valve mechanism of engine | Apr 22, 2007 | Issued |
Array
(
[id] => 869495
[patent_doc_number] => 07360515
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-04-22
[patent_title] => 'Control apparatus for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/785819
[patent_app_country] => US
[patent_app_date] => 2007-04-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
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[pdf_file] => patents/07/360/07360515.pdf
[firstpage_image] =>[orig_patent_app_number] => 11785819
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/785819 | Control apparatus for an internal combustion engine | Apr 19, 2007 | Issued |
Array
(
[id] => 50757
[patent_doc_number] => 07765964
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-08-03
[patent_title] => 'Variable valve operating device, control method of variable valve operating device, and vehicle equipped with variable valve operating device'
[patent_app_type] => utility
[patent_app_number] => 12/084825
[patent_app_country] => US
[patent_app_date] => 2007-04-19
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/765/07765964.pdf
[firstpage_image] =>[orig_patent_app_number] => 12084825
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/084825 | Variable valve operating device, control method of variable valve operating device, and vehicle equipped with variable valve operating device | Apr 18, 2007 | Issued |
Array
(
[id] => 5245068
[patent_doc_number] => 20070241302
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-10-18
[patent_title] => 'Valve Assembly'
[patent_app_type] => utility
[patent_app_number] => 11/735410
[patent_app_country] => US
[patent_app_date] => 2007-04-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0241/20070241302.pdf
[firstpage_image] =>[orig_patent_app_number] => 11735410
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/735410 | Valve Assembly | Apr 12, 2007 | Abandoned |
Array
(
[id] => 4862637
[patent_doc_number] => 20080141958
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-06-19
[patent_title] => 'Variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/732999
[patent_app_country] => US
[patent_app_date] => 2007-04-05
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0141/20080141958.pdf
[firstpage_image] =>[orig_patent_app_number] => 11732999
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/732999 | Variable valve lift apparatus | Apr 4, 2007 | Issued |
Array
(
[id] => 5087839
[patent_doc_number] => 20070227478
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-10-04
[patent_title] => 'Electro-hydraulic valve actuator with integral electric motor driven rotary control valve'
[patent_app_type] => utility
[patent_app_number] => 11/732070
[patent_app_country] => US
[patent_app_date] => 2007-04-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0227/20070227478.pdf
[firstpage_image] =>[orig_patent_app_number] => 11732070
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/732070 | Electro-hydraulic valve actuator with integral electric motor driven rotary control valve | Apr 1, 2007 | Issued |
Array
(
[id] => 5087846
[patent_doc_number] => 20070227485
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-10-04
[patent_title] => 'Method and apparatus for adjusting engine valve clearance'
[patent_app_type] => utility
[patent_app_number] => 11/731137
[patent_app_country] => US
[patent_app_date] => 2007-03-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 3142
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[pdf_file] => publications/A1/0227/20070227485.pdf
[firstpage_image] =>[orig_patent_app_number] => 11731137
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/731137 | Method and apparatus for adjusting engine valve clearance | Mar 29, 2007 | Issued |
Array
(
[id] => 5577954
[patent_doc_number] => 20090173300
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-07-09
[patent_title] => 'CAM FOLLOWER DEVICE'
[patent_app_type] => utility
[patent_app_number] => 12/295056
[patent_app_country] => US
[patent_app_date] => 2007-03-30
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0173/20090173300.pdf
[firstpage_image] =>[orig_patent_app_number] => 12295056
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/295056 | CAM FOLLOWER DEVICE | Mar 29, 2007 | Abandoned |
Array
(
[id] => 245982
[patent_doc_number] => 07584731
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-09-08
[patent_title] => 'Camshaft adjuster for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/692607
[patent_app_country] => US
[patent_app_date] => 2007-03-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/584/07584731.pdf
[firstpage_image] =>[orig_patent_app_number] => 11692607
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/692607 | Camshaft adjuster for an internal combustion engine | Mar 27, 2007 | Issued |
Array
(
[id] => 78352
[patent_doc_number] => 07743743
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-06-29
[patent_title] => 'Variable valve timing apparatus with reduced operation sound and control method thereof'
[patent_app_type] => utility
[patent_app_number] => 11/690157
[patent_app_country] => US
[patent_app_date] => 2007-03-23
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[pdf_file] => patents/07/743/07743743.pdf
[firstpage_image] =>[orig_patent_app_number] => 11690157
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/690157 | Variable valve timing apparatus with reduced operation sound and control method thereof | Mar 22, 2007 | Issued |
Array
(
[id] => 1407
[patent_doc_number] => 07814874
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-19
[patent_title] => 'Controlling two cam phasers with one cam position sensor'
[patent_app_type] => utility
[patent_app_number] => 11/728332
[patent_app_country] => US
[patent_app_date] => 2007-03-23
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[pdf_file] => patents/07/814/07814874.pdf
[firstpage_image] =>[orig_patent_app_number] => 11728332
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/728332 | Controlling two cam phasers with one cam position sensor | Mar 22, 2007 | Issued |
Array
(
[id] => 4736370
[patent_doc_number] => 20080230022
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-09-25
[patent_title] => 'Rate limiting and balancing control system for dual independent camshaft phasing'
[patent_app_type] => utility
[patent_app_number] => 11/725768
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/725768 | Rate limiting and balancing control system for dual independent camshaft phasing | Mar 19, 2007 | Issued |
Array
(
[id] => 89211
[patent_doc_number] => 07730861
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-06-08
[patent_title] => 'Two-step rocker arm assembly'
[patent_app_type] => utility
[patent_app_number] => 11/685495
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[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/730/07730861.pdf
[firstpage_image] =>[orig_patent_app_number] => 11685495
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/685495 | Two-step rocker arm assembly | Mar 12, 2007 | Issued |
Array
(
[id] => 5255990
[patent_doc_number] => 20070209622
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[patent_issue_date] => 2007-09-13
[patent_title] => 'Valve timing controller with a stopper'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/714807 | Valve timing controller with a stopper | Mar 6, 2007 | Issued |
Array
(
[id] => 880741
[patent_doc_number] => 07350487
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2008-04-01
[patent_title] => 'Method for reducing phaser rotational instability in an internal combustion engine'
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[patent_app_number] => 11/713908
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[pdf_file] => patents/07/350/07350487.pdf
[firstpage_image] =>[orig_patent_app_number] => 11713908
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/713908 | Method for reducing phaser rotational instability in an internal combustion engine | Mar 4, 2007 | Issued |
Array
(
[id] => 805000
[patent_doc_number] => 07418934
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[firstpage_image] =>[orig_patent_app_number] => 11712587
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/712587 | Valve timing controller | Feb 28, 2007 | Issued |
Array
(
[id] => 828874
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[patent_issue_date] => 2008-07-15
[patent_title] => 'Control device for engine valve and control system for engine'
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Array
(
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[patent_title] => 'Internal combustion engine having a variable valve train'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/711826 | Internal combustion engine having a variable valve train | Feb 27, 2007 | Issued |
Array
(
[id] => 5128424
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[patent_title] => 'Intake control apparatus for an engine and method'
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[firstpage_image] =>[orig_patent_app_number] => 11712322
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/712322 | Intake control apparatus for an engine and method | Feb 27, 2007 | Issued |