
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] => 344009
[patent_doc_number] => 07497193
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-03-03
[patent_title] => 'Rotor of a camshaft adjuster'
[patent_app_type] => utility
[patent_app_number] => 11/655767
[patent_app_country] => US
[patent_app_date] => 2007-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 19
[patent_no_of_words] => 6102
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 120
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/497/07497193.pdf
[firstpage_image] =>[orig_patent_app_number] => 11655767
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/655767 | Rotor of a camshaft adjuster | Jan 17, 2007 | Issued |
Array
(
[id] => 60636
[patent_doc_number] => 07757646
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-07-20
[patent_title] => 'Camshaft support structure of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/886878
[patent_app_country] => US
[patent_app_date] => 2007-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 12
[patent_no_of_words] => 8935
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/757/07757646.pdf
[firstpage_image] =>[orig_patent_app_number] => 11886878
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/886878 | Camshaft support structure of an internal combustion engine | Jan 17, 2007 | Issued |
Array
(
[id] => 5156692
[patent_doc_number] => 20070169736
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-26
[patent_title] => 'Valve timing mechanism of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/654809
[patent_app_country] => US
[patent_app_date] => 2007-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 3553
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0169/20070169736.pdf
[firstpage_image] =>[orig_patent_app_number] => 11654809
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/654809 | Valve timing mechanism of an internal combustion engine | Jan 17, 2007 | Issued |
Array
(
[id] => 7525921
[patent_doc_number] => 08042508
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-25
[patent_title] => 'Camshaft support structure for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/087475
[patent_app_country] => US
[patent_app_date] => 2007-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 8451
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/042/08042508.pdf
[firstpage_image] =>[orig_patent_app_number] => 12087475
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/087475 | Camshaft support structure for internal combustion engine | Jan 17, 2007 | Issued |
Array
(
[id] => 554626
[patent_doc_number] => 07461620
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-12-09
[patent_title] => 'Variable valve actuation device of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/653877
[patent_app_country] => US
[patent_app_date] => 2007-01-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 6153
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/461/07461620.pdf
[firstpage_image] =>[orig_patent_app_number] => 11653877
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/653877 | Variable valve actuation device of internal combustion engine | Jan 16, 2007 | Issued |
Array
(
[id] => 5511242
[patent_doc_number] => 20090211546
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-08-27
[patent_title] => 'Method and Device for the Operation of a Valve of the Combustion Chamber of a Combustion Engine, and a Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 12/160966
[patent_app_country] => US
[patent_app_date] => 2007-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 6697
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0211/20090211546.pdf
[firstpage_image] =>[orig_patent_app_number] => 12160966
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/160966 | Method and device for the operation of a valve of the combustion chamber of a combustion engine, and a combustion engine | Jan 15, 2007 | Issued |
Array
(
[id] => 891940
[patent_doc_number] => 07341033
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-03-11
[patent_title] => 'Cylinder head cover'
[patent_app_type] => utility
[patent_app_number] => 11/653269
[patent_app_country] => US
[patent_app_date] => 2007-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 3960
[patent_no_of_claims] => 8
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/341/07341033.pdf
[firstpage_image] =>[orig_patent_app_number] => 11653269
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/653269 | Cylinder head cover | Jan 15, 2007 | Issued |
Array
(
[id] => 372351
[patent_doc_number] => 07472670
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-06
[patent_title] => 'Valve timing controller'
[patent_app_type] => utility
[patent_app_number] => 11/653377
[patent_app_country] => US
[patent_app_date] => 2007-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 6691
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/472/07472670.pdf
[firstpage_image] =>[orig_patent_app_number] => 11653377
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/653377 | Valve timing controller | Jan 15, 2007 | Issued |
Array
(
[id] => 183016
[patent_doc_number] => 07647904
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-01-19
[patent_title] => 'Variable cam phaser apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/652396
[patent_app_country] => US
[patent_app_date] => 2007-01-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/647/07647904.pdf
[firstpage_image] =>[orig_patent_app_number] => 11652396
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/652396 | Variable cam phaser apparatus | Jan 10, 2007 | Issued |
Array
(
[id] => 4924473
[patent_doc_number] => 20080163836
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-07-10
[patent_title] => 'Camshaft phaser having dual counter-threaded helical mechanisms'
[patent_app_type] => utility
[patent_app_number] => 11/651749
[patent_app_country] => US
[patent_app_date] => 2007-01-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 2922
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[patent_no_of_ind_claims] => 2
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0163/20080163836.pdf
[firstpage_image] =>[orig_patent_app_number] => 11651749
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/651749 | Camshaft phaser having dual counter-threaded helical mechanisms | Jan 9, 2007 | Abandoned |
Array
(
[id] => 325364
[patent_doc_number] => 07513227
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2009-04-07
[patent_title] => 'Valve timing control device'
[patent_app_type] => utility
[patent_app_number] => 11/649820
[patent_app_country] => US
[patent_app_date] => 2007-01-05
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/513/07513227.pdf
[firstpage_image] =>[orig_patent_app_number] => 11649820
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/649820 | Valve timing control device | Jan 4, 2007 | Issued |
Array
(
[id] => 4985193
[patent_doc_number] => 20070151530
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-05
[patent_title] => 'Camshaft'
[patent_app_type] => utility
[patent_app_number] => 11/649918
[patent_app_country] => US
[patent_app_date] => 2007-01-04
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0151/20070151530.pdf
[firstpage_image] =>[orig_patent_app_number] => 11649918
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/649918 | Camshaft | Jan 3, 2007 | Issued |
Array
(
[id] => 4690616
[patent_doc_number] => 20080083386
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-04-10
[patent_title] => 'Variable valve lift follower for vehicle'
[patent_app_type] => utility
[patent_app_number] => 11/648876
[patent_app_country] => US
[patent_app_date] => 2006-12-29
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0083/20080083386.pdf
[firstpage_image] =>[orig_patent_app_number] => 11648876
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/648876 | Variable valve lift follower for vehicle | Dec 28, 2006 | Abandoned |
Array
(
[id] => 802293
[patent_doc_number] => 07421993
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-09-09
[patent_title] => 'Variable valve lift apparatus'
[patent_app_type] => utility
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[pdf_file] => patents/07/421/07421993.pdf
[firstpage_image] =>[orig_patent_app_number] => 11648248
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/648248 | Variable valve lift apparatus | Dec 28, 2006 | Issued |
Array
(
[id] => 375975
[patent_doc_number] => 07311073
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2007-12-25
[patent_title] => 'Continuous variable valve lift apparatus'
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[patent_app_number] => 11/648738
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[pdf_file] => patents/07/311/07311073.pdf
[firstpage_image] =>[orig_patent_app_number] => 11648738
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/648738 | Continuous variable valve lift apparatus | Dec 28, 2006 | Issued |
Array
(
[id] => 4484845
[patent_doc_number] => 07954468
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-06-07
[patent_title] => 'Mechanical adjuster'
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[pdf_file] => patents/07/954/07954468.pdf
[firstpage_image] =>[orig_patent_app_number] => 12515408
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/515408 | Mechanical adjuster | Dec 27, 2006 | Issued |
Array
(
[id] => 223751
[patent_doc_number] => 07603975
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-10-20
[patent_title] => 'Valve timing controller'
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[pdf_file] => patents/07/603/07603975.pdf
[firstpage_image] =>[orig_patent_app_number] => 11645621
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/645621 | Valve timing controller | Dec 26, 2006 | Issued |
Array
(
[id] => 914862
[patent_doc_number] => 07322327
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2008-01-29
[patent_title] => 'Lubrication structure of camshaft with variable valve timing'
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[patent_app_number] => 11/646106
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[firstpage_image] =>[orig_patent_app_number] => 11646106
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/646106 | Lubrication structure of camshaft with variable valve timing | Dec 25, 2006 | Issued |
Array
(
[id] => 235507
[patent_doc_number] => 07594485
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[patent_issue_date] => 2009-09-29
[patent_title] => 'Valve actuation system for internal combustion engine'
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[firstpage_image] =>[orig_patent_app_number] => 11645158
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/645158 | Valve actuation system for internal combustion engine | Dec 25, 2006 | Issued |
Array
(
[id] => 910948
[patent_doc_number] => 07325523
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[patent_kind] => B2
[patent_issue_date] => 2008-02-05
[patent_title] => 'Valve timing gear of an internal combustion engine'
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[pdf_file] => patents/07/325/07325523.pdf
[firstpage_image] =>[orig_patent_app_number] => 11615099
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/615099 | Valve timing gear of an internal combustion engine | Dec 21, 2006 | Issued |