
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] => 4480442
[patent_doc_number] => 07882812
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-08
[patent_title] => 'Valvetrain mechanism of engine'
[patent_app_type] => utility
[patent_app_number] => 12/184619
[patent_app_country] => US
[patent_app_date] => 2008-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 23
[patent_no_of_words] => 3743
[patent_no_of_claims] => 9
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/882/07882812.pdf
[firstpage_image] =>[orig_patent_app_number] => 12184619
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/184619 | Valvetrain mechanism of engine | Jul 31, 2008 | Issued |
Array
(
[id] => 5541798
[patent_doc_number] => 20090151675
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-18
[patent_title] => 'CONTINUOUS VARIABLE VALVE LIFT APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/184027
[patent_app_country] => US
[patent_app_date] => 2008-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 1925
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0151/20090151675.pdf
[firstpage_image] =>[orig_patent_app_number] => 12184027
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/184027 | Continuous variable valve lift apparatus | Jul 30, 2008 | Issued |
Array
(
[id] => 5357183
[patent_doc_number] => 20090031977
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-05
[patent_title] => 'LOW PROFILE VALVE LIFTER ASSEMBLY'
[patent_app_type] => utility
[patent_app_number] => 12/183348
[patent_app_country] => US
[patent_app_date] => 2008-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 1888
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[pdf_file] => publications/A1/0031/20090031977.pdf
[firstpage_image] =>[orig_patent_app_number] => 12183348
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/183348 | Low profile valve lifter assembly | Jul 30, 2008 | Issued |
Array
(
[id] => 4549658
[patent_doc_number] => 07845326
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-07
[patent_title] => 'Variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 12/184057
[patent_app_country] => US
[patent_app_date] => 2008-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 1947
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/845/07845326.pdf
[firstpage_image] =>[orig_patent_app_number] => 12184057
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/184057 | Variable valve lift apparatus | Jul 30, 2008 | Issued |
Array
(
[id] => 4439987
[patent_doc_number] => 07861680
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-01-04
[patent_title] => 'Pushrod engine with multiple independent lash adjusters for each pushrod'
[patent_app_type] => utility
[patent_app_number] => 12/183230
[patent_app_country] => US
[patent_app_date] => 2008-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 2976
[patent_no_of_claims] => 15
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/861/07861680.pdf
[firstpage_image] =>[orig_patent_app_number] => 12183230
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/183230 | Pushrod engine with multiple independent lash adjusters for each pushrod | Jul 30, 2008 | Issued |
Array
(
[id] => 5581889
[patent_doc_number] => 20090101091
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-23
[patent_title] => 'VARIABLE VALVE LIFT TRANSITION CONTROL METHODS AND SYSTEMS'
[patent_app_type] => utility
[patent_app_number] => 12/178989
[patent_app_country] => US
[patent_app_date] => 2008-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 3051
[patent_no_of_claims] => 22
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0101/20090101091.pdf
[firstpage_image] =>[orig_patent_app_number] => 12178989
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/178989 | Variable valve lift transition control methods and systems | Jul 23, 2008 | Issued |
Array
(
[id] => 8531494
[patent_doc_number] => 08307644
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-11-13
[patent_title] => 'Control device and control method for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/669681
[patent_app_country] => US
[patent_app_date] => 2008-07-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 5287
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[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12669681
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/669681 | Control device and control method for internal combustion engine | Jul 16, 2008 | Issued |
Array
(
[id] => 4488681
[patent_doc_number] => 07946265
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-05-24
[patent_title] => 'Valve timing adjuster'
[patent_app_type] => utility
[patent_app_number] => 12/170805
[patent_app_country] => US
[patent_app_date] => 2008-07-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 5565
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[pdf_file] => patents/07/946/07946265.pdf
[firstpage_image] =>[orig_patent_app_number] => 12170805
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/170805 | Valve timing adjuster | Jul 9, 2008 | Issued |
Array
(
[id] => 5292939
[patent_doc_number] => 20090007865
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-08
[patent_title] => 'METHOD FOR ADJUSTING THE ROTATIONAL ANGLE POSITION OF THE CAMSHAFT OF A RECIPROCATING INTERNAL COMBUSTION ENGINE IN RELATION TO THE CRANKSHAFT'
[patent_app_type] => utility
[patent_app_number] => 12/169907
[patent_app_country] => US
[patent_app_date] => 2008-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0007/20090007865.pdf
[firstpage_image] =>[orig_patent_app_number] => 12169907
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/169907 | Method for adjusting the rotational angle position of the camshaft of a reciprocating internal combustion engine in relation to the crankshaft | Jul 8, 2008 | Issued |
Array
(
[id] => 5306662
[patent_doc_number] => 20090013943
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-15
[patent_title] => 'Switchable support element for a valve train of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/169125
[patent_app_country] => US
[patent_app_date] => 2008-07-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => publications/A1/0013/20090013943.pdf
[firstpage_image] =>[orig_patent_app_number] => 12169125
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/169125 | Switchable support element for a valve train of an internal combustion engine | Jul 7, 2008 | Issued |
Array
(
[id] => 5292937
[patent_doc_number] => 20090007863
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-08
[patent_title] => 'Motorcycle provided with valve-operating mechanism'
[patent_app_type] => utility
[patent_app_number] => 12/216148
[patent_app_country] => US
[patent_app_date] => 2008-06-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
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[pdf_file] => publications/A1/0007/20090007863.pdf
[firstpage_image] =>[orig_patent_app_number] => 12216148
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/216148 | Motorcycle provided with valve-operating mechanism | Jun 29, 2008 | Issued |
Array
(
[id] => 4556608
[patent_doc_number] => 07827950
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-11-09
[patent_title] => 'Valve cover assembly and method of construction'
[patent_app_type] => utility
[patent_app_number] => 12/146685
[patent_app_country] => US
[patent_app_date] => 2008-06-26
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/827/07827950.pdf
[firstpage_image] =>[orig_patent_app_number] => 12146685
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/146685 | Valve cover assembly and method of construction | Jun 25, 2008 | Issued |
Array
(
[id] => 5292940
[patent_doc_number] => 20090007866
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-08
[patent_title] => 'Control apparatus for internal combustion engine and control method therefor'
[patent_app_type] => utility
[patent_app_number] => 12/213191
[patent_app_country] => US
[patent_app_date] => 2008-06-16
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[firstpage_image] =>[orig_patent_app_number] => 12213191
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/213191 | Control apparatus for internal combustion engine and control method therefor | Jun 15, 2008 | Issued |
Array
(
[id] => 108702
[patent_doc_number] => 07717072
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[patent_kind] => B2
[patent_issue_date] => 2010-05-18
[patent_title] => 'Adjustment device for adjusting the relative rotational angle position of a camshaft in relation to a crankshaft of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/136832
[patent_app_country] => US
[patent_app_date] => 2008-06-11
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[pdf_file] => patents/07/717/07717072.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/136832 | Adjustment device for adjusting the relative rotational angle position of a camshaft in relation to a crankshaft of an internal combustion engine | Jun 10, 2008 | Issued |
Array
(
[id] => 5292936
[patent_doc_number] => 20090007862
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[patent_issue_date] => 2009-01-08
[patent_title] => 'VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/131460 | Variable valve actuating apparatus for internal combustion engine | Jun 1, 2008 | Issued |
Array
(
[id] => 8292647
[patent_doc_number] => 08220426
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[patent_issue_date] => 2012-07-17
[patent_title] => 'Valve timing control device'
[patent_app_type] => utility
[patent_app_number] => 12/602842
[patent_app_country] => US
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Array
(
[id] => 4815898
[patent_doc_number] => 20080223157
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-09-18
[patent_title] => 'Helical cam device and method'
[patent_app_type] => utility
[patent_app_number] => 12/129382
[patent_app_country] => US
[patent_app_date] => 2008-05-29
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/129382 | Helical cam device and method | May 28, 2008 | Issued |
Array
(
[id] => 4663993
[patent_doc_number] => 20080254900
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[patent_issue_date] => 2008-10-16
[patent_title] => 'Axial lash control for a vane-type cam phaser'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/152346 | Axial lash control for a vane-type cam phaser | May 13, 2008 | Abandoned |
Array
(
[id] => 4609784
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[patent_issue_date] => 2011-08-02
[patent_title] => 'Oil supply structure for continuous variable valve timing apparatus and cylinder head employing the same'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/117588 | Oil supply structure for continuous variable valve timing apparatus and cylinder head employing the same | May 7, 2008 | Issued |
Array
(
[id] => 6237677
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[patent_title] => 'VARIABLE VALVE ACTUATING MECHANISM WITH SUMMATION CAM'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/598475 | Variable valve actuating mechanism with summation cam | May 7, 2008 | Issued |