
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] => 4511998
[patent_doc_number] => 07938091
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-05-10
[patent_title] => 'Camshaft and camshaft manufacturing method'
[patent_app_type] => utility
[patent_app_number] => 12/268736
[patent_app_country] => US
[patent_app_date] => 2008-11-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 4862
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 318
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/938/07938091.pdf
[firstpage_image] =>[orig_patent_app_number] => 12268736
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/268736 | Camshaft and camshaft manufacturing method | Nov 10, 2008 | Issued |
Array
(
[id] => 4464432
[patent_doc_number] => 07942123
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-05-17
[patent_title] => 'Variable valve system for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/266165
[patent_app_country] => US
[patent_app_date] => 2008-11-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 24
[patent_no_of_words] => 10758
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 285
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/942/07942123.pdf
[firstpage_image] =>[orig_patent_app_number] => 12266165
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/266165 | Variable valve system for internal combustion engine | Nov 5, 2008 | Issued |
Array
(
[id] => 6322967
[patent_doc_number] => 20100244589
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-09-30
[patent_title] => 'ELECTROMAGNETIC ACTUATING UNIT OF A SOLENOID VALVE, AND METHOD FOR THE PRODUCTION OF SUCH AN ACTUATING UNIT'
[patent_app_type] => utility
[patent_app_number] => 12/743088
[patent_app_country] => US
[patent_app_date] => 2008-11-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2428
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0244/20100244589.pdf
[firstpage_image] =>[orig_patent_app_number] => 12743088
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/743088 | Electromagnetic actuating unit of a solenoid valve, and method for the production of such an actuating unit | Nov 3, 2008 | Issued |
Array
(
[id] => 5326958
[patent_doc_number] => 20090107435
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-30
[patent_title] => 'Lubricating System for Valve Operating System'
[patent_app_type] => utility
[patent_app_number] => 12/257139
[patent_app_country] => US
[patent_app_date] => 2008-10-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 6517
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0107/20090107435.pdf
[firstpage_image] =>[orig_patent_app_number] => 12257139
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/257139 | Lubricating system for valve operating system | Oct 22, 2008 | Issued |
Array
(
[id] => 8856697
[patent_doc_number] => 08459220
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-06-11
[patent_title] => 'Concentric phaser camshaft and a method of manufacture thereof'
[patent_app_type] => utility
[patent_app_number] => 12/738204
[patent_app_country] => US
[patent_app_date] => 2008-10-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 8
[patent_no_of_words] => 3347
[patent_no_of_claims] => 4
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[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12738204
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/738204 | Concentric phaser camshaft and a method of manufacture thereof | Oct 13, 2008 | Issued |
Array
(
[id] => 6338933
[patent_doc_number] => 20100083922
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-04-08
[patent_title] => 'VARYING THE PHASE AND LIFT OF A ROCKER ARM ON A CAMSHAFT ACTUATING A VALVE OR INJECTOR'
[patent_app_type] => utility
[patent_app_number] => 12/247105
[patent_app_country] => US
[patent_app_date] => 2008-10-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 17
[patent_no_of_words] => 2588
[patent_no_of_claims] => 52
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0083/20100083922.pdf
[firstpage_image] =>[orig_patent_app_number] => 12247105
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/247105 | Varying the phase and lift of a rocker arm on a camshaft actuating a valve or injector | Oct 6, 2008 | Issued |
Array
(
[id] => 5541800
[patent_doc_number] => 20090151677
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-06-18
[patent_title] => 'VARIABLE VALVE LIFT APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/243166
[patent_app_country] => US
[patent_app_date] => 2008-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 1411
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0151/20090151677.pdf
[firstpage_image] =>[orig_patent_app_number] => 12243166
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/243166 | Variable valve lift apparatus | Sep 30, 2008 | Issued |
Array
(
[id] => 5505016
[patent_doc_number] => 20090078223
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-03-26
[patent_title] => 'VARIABLE VALVE SYSTEM OF INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/208017
[patent_app_country] => US
[patent_app_date] => 2008-09-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 9366
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 4
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0078/20090078223.pdf
[firstpage_image] =>[orig_patent_app_number] => 12208017
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/208017 | Variable valve system of internal combustion engine | Sep 9, 2008 | Issued |
Array
(
[id] => 6552136
[patent_doc_number] => 20100059005
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-11
[patent_title] => 'Method and apparatus for adjusting variable valve lift'
[patent_app_type] => utility
[patent_app_number] => 12/231919
[patent_app_country] => US
[patent_app_date] => 2008-09-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 1519
[patent_no_of_claims] => 8
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0059/20100059005.pdf
[firstpage_image] =>[orig_patent_app_number] => 12231919
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/231919 | Method and apparatus for adjusting variable valve lift | Sep 7, 2008 | Abandoned |
Array
(
[id] => 6378219
[patent_doc_number] => 20100175649
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-07-15
[patent_title] => 'VALVE OPENING/CLOSING TIMING CONTROL APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/602605
[patent_app_country] => US
[patent_app_date] => 2008-09-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 9003
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0175/20100175649.pdf
[firstpage_image] =>[orig_patent_app_number] => 12602605
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/602605 | Valve opening/closing timing control apparatus | Sep 7, 2008 | Issued |
Array
(
[id] => 4435015
[patent_doc_number] => 07926458
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-04-19
[patent_title] => 'Lubricating device'
[patent_app_type] => utility
[patent_app_number] => 12/202636
[patent_app_country] => US
[patent_app_date] => 2008-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 4397
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 175
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/926/07926458.pdf
[firstpage_image] =>[orig_patent_app_number] => 12202636
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/202636 | Lubricating device | Sep 1, 2008 | Issued |
Array
(
[id] => 4480443
[patent_doc_number] => 07882813
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-08
[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] => 12/200283
[patent_app_country] => US
[patent_app_date] => 2008-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2621
[patent_no_of_claims] => 1
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/882/07882813.pdf
[firstpage_image] =>[orig_patent_app_number] => 12200283
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/200283 | Adjustment device for adjusting the relative rotational angle position of a camshaft in relation to a crankshaft of an internal combustion engine | Aug 27, 2008 | Issued |
Array
(
[id] => 4530309
[patent_doc_number] => 07874274
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-01-25
[patent_title] => 'Apparatus for the variable setting of control times of gas-exchange valves of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/199899
[patent_app_country] => US
[patent_app_date] => 2008-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 6559
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[pdf_file] => patents/07/874/07874274.pdf
[firstpage_image] =>[orig_patent_app_number] => 12199899
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/199899 | Apparatus for the variable setting of control times of gas-exchange valves of an internal combustion engine | Aug 27, 2008 | Issued |
Array
(
[id] => 5333622
[patent_doc_number] => 20090050086
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-26
[patent_title] => 'VARIABLE VALVE DRIVING APPARATUS OF INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/194867
[patent_app_country] => US
[patent_app_date] => 2008-08-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 7462
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[pdf_file] => publications/A1/0050/20090050086.pdf
[firstpage_image] =>[orig_patent_app_number] => 12194867
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/194867 | VARIABLE VALVE DRIVING APPARATUS OF INTERNAL COMBUSTION ENGINE | Aug 19, 2008 | Abandoned |
Array
(
[id] => 4607277
[patent_doc_number] => 07992530
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-09
[patent_title] => 'Continuous variable valve lift device'
[patent_app_type] => utility
[patent_app_number] => 12/193408
[patent_app_country] => US
[patent_app_date] => 2008-08-18
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/992/07992530.pdf
[firstpage_image] =>[orig_patent_app_number] => 12193408
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/193408 | Continuous variable valve lift device | Aug 17, 2008 | Issued |
Array
(
[id] => 8396679
[patent_doc_number] => 08267057
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-09-18
[patent_title] => 'Continuously variable valve lift for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/192598
[patent_app_country] => US
[patent_app_date] => 2008-08-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12192598
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/192598 | Continuously variable valve lift for internal combustion engine | Aug 14, 2008 | Issued |
Array
(
[id] => 1409
[patent_doc_number] => 07814875
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-19
[patent_title] => 'Stroke adjusting device for valves of a combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/191354
[patent_app_country] => US
[patent_app_date] => 2008-08-14
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/814/07814875.pdf
[firstpage_image] =>[orig_patent_app_number] => 12191354
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/191354 | Stroke adjusting device for valves of a combustion engine | Aug 13, 2008 | Issued |
Array
(
[id] => 5581890
[patent_doc_number] => 20090101092
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-23
[patent_title] => 'VARIABLE DISPLACEMENT PUMP, VALVE TIMING CONTROL DEVICE USING THE VARIABLE DISPLACEMENT PUMP, AND VALVE TIMING CONTROL SYSTEM USING THE VARIABLE DISPLACEMENT PUMP, FOR USE IN INTERNAL COMBUSTION ENGINES'
[patent_app_type] => utility
[patent_app_number] => 12/187726
[patent_app_country] => US
[patent_app_date] => 2008-08-07
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0101/20090101092.pdf
[firstpage_image] =>[orig_patent_app_number] => 12187726
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/187726 | Variable displacement pump, valve timing control device using the variable displacement pump, and valve timing control system using the variable displacement pump, for use in internal combustion engines | Aug 6, 2008 | Issued |
Array
(
[id] => 5438683
[patent_doc_number] => 20090090322
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-09
[patent_title] => 'VARIABLE VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/187738
[patent_app_country] => US
[patent_app_date] => 2008-08-07
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0090/20090090322.pdf
[firstpage_image] =>[orig_patent_app_number] => 12187738
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/187738 | Variable valve timing control apparatus of internal combustion engine | Aug 6, 2008 | Issued |
Array
(
[id] => 5357181
[patent_doc_number] => 20090031975
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-05
[patent_title] => 'INNER LEVER FOR A SWITCHABLE FINGER LEVER OF A VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/185187
[patent_app_country] => US
[patent_app_date] => 2008-08-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => publications/A1/0031/20090031975.pdf
[firstpage_image] =>[orig_patent_app_number] => 12185187
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/185187 | Inner lever for a switchable finger lever of a valve train of an internal combustion engine | Aug 3, 2008 | Issued |