
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] => 4456725
[patent_doc_number] => 07878164
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-01
[patent_title] => 'Apparatus for preventing leakage across rotor vanes in a vane-type camshaft phaser'
[patent_app_type] => utility
[patent_app_number] => 12/151589
[patent_app_country] => US
[patent_app_date] => 2008-05-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/878/07878164.pdf
[firstpage_image] =>[orig_patent_app_number] => 12151589
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/151589 | Apparatus for preventing leakage across rotor vanes in a vane-type camshaft phaser | May 6, 2008 | Issued |
Array
(
[id] => 4848603
[patent_doc_number] => 20080314344
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-12-25
[patent_title] => 'CONTINUOUS VARIABLE VALVE LIFT APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/108291
[patent_app_country] => US
[patent_app_date] => 2008-04-23
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0314/20080314344.pdf
[firstpage_image] =>[orig_patent_app_number] => 12108291
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/108291 | Continuous variable valve lift apparatus | Apr 22, 2008 | Issued |
Array
(
[id] => 4596282
[patent_doc_number] => 07975663
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-07-12
[patent_title] => 'Dual-equal cam phasing with variable overlap'
[patent_app_type] => utility
[patent_app_number] => 12/103356
[patent_app_country] => US
[patent_app_date] => 2008-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[pdf_file] => patents/07/975/07975663.pdf
[firstpage_image] =>[orig_patent_app_number] => 12103356
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/103356 | Dual-equal cam phasing with variable overlap | Apr 14, 2008 | Issued |
Array
(
[id] => 157168
[patent_doc_number] => 07673602
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-03-09
[patent_title] => 'Variable valve mechanism'
[patent_app_type] => utility
[patent_app_number] => 12/081089
[patent_app_country] => US
[patent_app_date] => 2008-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/673/07673602.pdf
[firstpage_image] =>[orig_patent_app_number] => 12081089
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/081089 | Variable valve mechanism | Apr 9, 2008 | Issued |
Array
(
[id] => 6347293
[patent_doc_number] => 20100071648
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-25
[patent_title] => 'LASH ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 12/595856
[patent_app_country] => US
[patent_app_date] => 2008-04-10
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0071/20100071648.pdf
[firstpage_image] =>[orig_patent_app_number] => 12595856
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/595856 | Lash adjuster | Apr 9, 2008 | Issued |
Array
(
[id] => 5418925
[patent_doc_number] => 20090145379
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-11
[patent_title] => 'VALVE SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 12/098575
[patent_app_country] => US
[patent_app_date] => 2008-04-07
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0145/20090145379.pdf
[firstpage_image] =>[orig_patent_app_number] => 12098575
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/098575 | Valve system | Apr 6, 2008 | Issued |
Array
(
[id] => 4456728
[patent_doc_number] => 07878167
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-01
[patent_title] => 'Engine with round lobe'
[patent_app_type] => utility
[patent_app_number] => 12/080866
[patent_app_country] => US
[patent_app_date] => 2008-04-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/878/07878167.pdf
[firstpage_image] =>[orig_patent_app_number] => 12080866
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/080866 | Engine with round lobe | Apr 6, 2008 | Issued |
Array
(
[id] => 4537981
[patent_doc_number] => 07819099
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-26
[patent_title] => 'Rotary hydraulic coupling'
[patent_app_type] => utility
[patent_app_number] => 12/062667
[patent_app_country] => US
[patent_app_date] => 2008-04-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 30
[patent_no_of_words] => 2399
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/819/07819099.pdf
[firstpage_image] =>[orig_patent_app_number] => 12062667
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/062667 | Rotary hydraulic coupling | Apr 3, 2008 | Issued |
Array
(
[id] => 7533545
[patent_doc_number] => 08047166
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-11-01
[patent_title] => 'Electric valve actuation system'
[patent_app_type] => utility
[patent_app_number] => 12/060899
[patent_app_country] => US
[patent_app_date] => 2008-04-02
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/08/047/08047166.pdf
[firstpage_image] =>[orig_patent_app_number] => 12060899
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/060899 | Electric valve actuation system | Apr 1, 2008 | Issued |
Array
(
[id] => 8150455
[patent_doc_number] => 08166935
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-05-01
[patent_title] => 'Control system of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/594457
[patent_app_country] => US
[patent_app_date] => 2008-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 7233
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[pdf_file] => patents/08/166/08166935.pdf
[firstpage_image] =>[orig_patent_app_number] => 12594457
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/594457 | Control system of internal combustion engine | Mar 30, 2008 | Issued |
Array
(
[id] => 5468709
[patent_doc_number] => 20090241875
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-10-01
[patent_title] => 'Apparatus and methods for continuous variable valve timing'
[patent_app_type] => utility
[patent_app_number] => 12/079449
[patent_app_country] => US
[patent_app_date] => 2008-03-26
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[firstpage_image] =>[orig_patent_app_number] => 12079449
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/079449 | Apparatus and methods for continuous variable valve timing | Mar 25, 2008 | Issued |
Array
(
[id] => 4542444
[patent_doc_number] => 07836858
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-11-23
[patent_title] => 'V-type engine and motorcycle incorporating same'
[patent_app_type] => utility
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[firstpage_image] =>[orig_patent_app_number] => 12079347
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/079347 | V-type engine and motorcycle incorporating same | Mar 25, 2008 | Issued |
Array
(
[id] => 4714001
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[patent_issue_date] => 2008-10-02
[patent_title] => 'Multi-cylinder engine with cylinder pausing function'
[patent_app_type] => utility
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[firstpage_image] =>[orig_patent_app_number] => 12079359
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/079359 | Multi-cylinder engine with cylinder pausing function | Mar 25, 2008 | Issued |
Array
(
[id] => 4679101
[patent_doc_number] => 20080245327
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[patent_issue_date] => 2008-10-09
[patent_title] => 'Valve train of an internal combustion engine'
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[firstpage_image] =>[orig_patent_app_number] => 12079058
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/079058 | Valve train of an internal combustion engine | Mar 23, 2008 | Issued |
Array
(
[id] => 5357179
[patent_doc_number] => 20090031973
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[patent_kind] => A1
[patent_issue_date] => 2009-02-05
[patent_title] => 'Engine equipped with adjustable valve timing mechanism'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/076839 | Engine equipped with adjustable valve timing mechanism | Mar 23, 2008 | Issued |
Array
(
[id] => 4882961
[patent_doc_number] => 20080257293
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[patent_kind] => A1
[patent_issue_date] => 2008-10-23
[patent_title] => 'Connection device for connecting rocker, valve or injection assemblies in internal combustion engines'
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[pdf_file] => publications/A1/0257/20080257293.pdf
[firstpage_image] =>[orig_patent_app_number] => 12077997
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/077997 | Connection device for connecting rocker, valve or injection assemblies in internal combustion engines | Mar 23, 2008 | Abandoned |
Array
(
[id] => 215980
[patent_doc_number] => 07610885
[patent_country] => US
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[patent_issue_date] => 2009-11-03
[patent_title] => 'Variable drive for camshafts'
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[pdf_file] => patents/07/610/07610885.pdf
[firstpage_image] =>[orig_patent_app_number] => 12053179
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/053179 | Variable drive for camshafts | Mar 20, 2008 | Issued |
Array
(
[id] => 5292941
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[patent_title] => 'Variable valve train for an internal combustion engine'
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Array
(
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/047387 | Camshaft adjuster and method for setting a limiting position for a camshaft adjuster | Mar 12, 2008 | Issued |