
Ching Chang
Examiner (ID: 5925, Phone: (571)272-4857 , Office: P/3748 )
| 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] => 6331668
[patent_doc_number] => 20100018481
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-01-28
[patent_title] => 'VALVE CONTROL SYSTEM WITH MALFUNCTION DETECTION'
[patent_app_type] => utility
[patent_app_number] => 12/441675
[patent_app_country] => US
[patent_app_date] => 2007-09-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1765
[patent_no_of_claims] => 7
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0018/20100018481.pdf
[firstpage_image] =>[orig_patent_app_number] => 12441675
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/441675 | Valve control system with malfunction detection | Sep 18, 2007 | Issued |
Array
(
[id] => 4617529
[patent_doc_number] => 07997241
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-16
[patent_title] => 'Spark ignition type internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/441599
[patent_app_country] => US
[patent_app_date] => 2007-09-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 30
[patent_no_of_words] => 12353
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/997/07997241.pdf
[firstpage_image] =>[orig_patent_app_number] => 12441599
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/441599 | Spark ignition type internal combustion engine | Sep 18, 2007 | Issued |
Array
(
[id] => 4537965
[patent_doc_number] => 07819095
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-26
[patent_title] => 'Electronic valve system'
[patent_app_type] => utility
[patent_app_number] => 11/898848
[patent_app_country] => US
[patent_app_date] => 2007-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 3757
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/819/07819095.pdf
[firstpage_image] =>[orig_patent_app_number] => 11898848
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/898848 | Electronic valve system | Sep 16, 2007 | Issued |
Array
(
[id] => 215979
[patent_doc_number] => 07610884
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-11-03
[patent_title] => 'Valve timing control system'
[patent_app_type] => utility
[patent_app_number] => 11/854337
[patent_app_country] => US
[patent_app_date] => 2007-09-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 27
[patent_no_of_words] => 12241
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 850
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/610/07610884.pdf
[firstpage_image] =>[orig_patent_app_number] => 11854337
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/854337 | Valve timing control system | Sep 11, 2007 | Issued |
Array
(
[id] => 333001
[patent_doc_number] => 07506621
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-03-24
[patent_title] => 'Valve timing control system'
[patent_app_type] => utility
[patent_app_number] => 11/854156
[patent_app_country] => US
[patent_app_date] => 2007-09-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 10635
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/506/07506621.pdf
[firstpage_image] =>[orig_patent_app_number] => 11854156
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/854156 | Valve timing control system | Sep 11, 2007 | Issued |
Array
(
[id] => 333002
[patent_doc_number] => 07506622
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-03-24
[patent_title] => 'Valve timing control system'
[patent_app_type] => utility
[patent_app_number] => 11/854249
[patent_app_country] => US
[patent_app_date] => 2007-09-12
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 13859
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/506/07506622.pdf
[firstpage_image] =>[orig_patent_app_number] => 11854249
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/854249 | Valve timing control system | Sep 11, 2007 | Issued |
Array
(
[id] => 4468501
[patent_doc_number] => 07866286
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-01-11
[patent_title] => 'Method for valve seating control for an electro-hydraulic engine valve'
[patent_app_type] => utility
[patent_app_number] => 11/851446
[patent_app_country] => US
[patent_app_date] => 2007-09-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4087
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 152
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/866/07866286.pdf
[firstpage_image] =>[orig_patent_app_number] => 11851446
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/851446 | Method for valve seating control for an electro-hydraulic engine valve | Sep 6, 2007 | Issued |
Array
(
[id] => 6493004
[patent_doc_number] => 20100012063
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-01-21
[patent_title] => 'CAM CAP AND OIL PASSAGE CONNECTION STRUCTURE'
[patent_app_type] => utility
[patent_app_number] => 12/438815
[patent_app_country] => US
[patent_app_date] => 2007-09-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 6987
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0012/20100012063.pdf
[firstpage_image] =>[orig_patent_app_number] => 12438815
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/438815 | Cam cap and oil passage connection structure | Sep 3, 2007 | Issued |
Array
(
[id] => 7525922
[patent_doc_number] => 08042509
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-25
[patent_title] => 'Cam cap'
[patent_app_type] => utility
[patent_app_number] => 12/375536
[patent_app_country] => US
[patent_app_date] => 2007-08-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 5580
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/042/08042509.pdf
[firstpage_image] =>[orig_patent_app_number] => 12375536
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/375536 | Cam cap | Aug 30, 2007 | Issued |
Array
(
[id] => 223749
[patent_doc_number] => 07603973
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-10-20
[patent_title] => 'Variable mechanical valve control for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/897921
[patent_app_country] => US
[patent_app_date] => 2007-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 23
[patent_no_of_words] => 7834
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 244
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/603/07603973.pdf
[firstpage_image] =>[orig_patent_app_number] => 11897921
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/897921 | Variable mechanical valve control for an internal combustion engine | Aug 29, 2007 | Issued |
Array
(
[id] => 5400574
[patent_doc_number] => 20090235887
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-09-24
[patent_title] => 'Roller bearing, camshaft support structure, and internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/310676
[patent_app_country] => US
[patent_app_date] => 2007-08-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 27
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[patent_no_of_words] => 22742
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0235/20090235887.pdf
[firstpage_image] =>[orig_patent_app_number] => 12310676
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/310676 | Roller bearing, camshaft support structure, and internal combustion engine | Aug 29, 2007 | Issued |
Array
(
[id] => 4642927
[patent_doc_number] => 08020527
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-09-20
[patent_title] => 'Variable valve timing system'
[patent_app_type] => utility
[patent_app_number] => 12/438955
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[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/020/08020527.pdf
[firstpage_image] =>[orig_patent_app_number] => 12438955
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/438955 | Variable valve timing system | Aug 28, 2007 | Issued |
Array
(
[id] => 4511990
[patent_doc_number] => 07938088
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-05-10
[patent_title] => 'Variable valve timing system'
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[pdf_file] => patents/07/938/07938088.pdf
[firstpage_image] =>[orig_patent_app_number] => 12159987
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/159987 | Variable valve timing system | Aug 28, 2007 | Issued |
Array
(
[id] => 245980
[patent_doc_number] => 07584729
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[patent_kind] => B2
[patent_issue_date] => 2009-09-08
[patent_title] => 'Variable valve timing controller for internal combustion engine'
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/584/07584729.pdf
[firstpage_image] =>[orig_patent_app_number] => 11896120
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/896120 | Variable valve timing controller for internal combustion engine | Aug 28, 2007 | Issued |
Array
(
[id] => 4549665
[patent_doc_number] => 07845327
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-07
[patent_title] => 'Hydraulic lash adjuster with damping device'
[patent_app_type] => utility
[patent_app_number] => 11/840981
[patent_app_country] => US
[patent_app_date] => 2007-08-19
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/845/07845327.pdf
[firstpage_image] =>[orig_patent_app_number] => 11840981
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/840981 | Hydraulic lash adjuster with damping device | Aug 18, 2007 | Issued |
Array
(
[id] => 5444361
[patent_doc_number] => 20090045587
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-19
[patent_title] => 'Camshaft phaser wiper seal'
[patent_app_type] => utility
[patent_app_number] => 11/893529
[patent_app_country] => US
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[pdf_file] => publications/A1/0045/20090045587.pdf
[firstpage_image] =>[orig_patent_app_number] => 11893529
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/893529 | Camshaft phaser wiper seal | Aug 15, 2007 | Abandoned |
Array
(
[id] => 5468705
[patent_doc_number] => 20090241871
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-10-01
[patent_title] => 'ASSEMBLED CAMSHAFT AND INTERNAL COMBUSTION ENGINE PROVIDED WITH ASSEMBLED CAMSHAFT'
[patent_app_type] => utility
[patent_app_number] => 12/310386
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[pdf_file] => publications/A1/0241/20090241871.pdf
[firstpage_image] =>[orig_patent_app_number] => 12310386
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/310386 | ASSEMBLED CAMSHAFT AND INTERNAL COMBUSTION ENGINE PROVIDED WITH ASSEMBLED CAMSHAFT | Aug 15, 2007 | Abandoned |
Array
(
[id] => 7513786
[patent_doc_number] => 08037853
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-18
[patent_title] => 'Internal combustion engine with electronic valve actuators and control system therefor'
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Array
(
[id] => 11346
[patent_doc_number] => 07802547
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[patent_kind] => B2
[patent_issue_date] => 2010-09-28
[patent_title] => 'Internal combustion engine having variable valve operating device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/889147 | Internal combustion engine having variable valve operating device | Aug 8, 2007 | Issued |
Array
(
[id] => 4660135
[patent_doc_number] => 20080251042
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[patent_kind] => A1
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[patent_title] => 'Device for Controlling Phase of Cam Shaft in Internal Combustion Engine and Phase Controlling device'
[patent_app_type] => utility
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[pdf_file] => publications/A1/0251/20080251042.pdf
[firstpage_image] =>[orig_patent_app_number] => 11834969
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/834969 | Device for Controlling Phase of Cam Shaft in Internal Combustion Engine and Phase Controlling device | Aug 6, 2007 | Abandoned |