
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] => 7543855
[patent_doc_number] => 08051818
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-11-08
[patent_title] => 'Dual independent phasing system to independently phase the intake and exhaust cam lobes of a concentric camshaft arrangement'
[patent_app_type] => utility
[patent_app_number] => 12/571698
[patent_app_country] => US
[patent_app_date] => 2009-10-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 17
[patent_no_of_words] => 4714
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/051/08051818.pdf
[firstpage_image] =>[orig_patent_app_number] => 12571698
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/571698 | Dual independent phasing system to independently phase the intake and exhaust cam lobes of a concentric camshaft arrangement | Sep 30, 2009 | Issued |
Array
(
[id] => 6300535
[patent_doc_number] => 20100108005
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-05-06
[patent_title] => 'INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/566666
[patent_app_country] => US
[patent_app_date] => 2009-09-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 6612
[patent_no_of_claims] => 6
[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/A1/0108/20100108005.pdf
[firstpage_image] =>[orig_patent_app_number] => 12566666
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/566666 | Internal combustion engine | Sep 24, 2009 | Issued |
Array
(
[id] => 6354126
[patent_doc_number] => 20100077977
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-04-01
[patent_title] => 'Internal combustion engine equipped with a variable valve control system'
[patent_app_type] => utility
[patent_app_number] => 12/586228
[patent_app_country] => US
[patent_app_date] => 2009-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 22
[patent_no_of_words] => 22292
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0077/20100077977.pdf
[firstpage_image] =>[orig_patent_app_number] => 12586228
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/586228 | Internal combustion engine equipped with a variable valve control system | Sep 17, 2009 | Issued |
Array
(
[id] => 4596281
[patent_doc_number] => 07975662
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-07-12
[patent_title] => 'Internal combustion engine having a hydraulically-actuated variable valve control system, and motorcycle incorporating same'
[patent_app_type] => utility
[patent_app_number] => 12/586229
[patent_app_country] => US
[patent_app_date] => 2009-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
[patent_figures_cnt] => 32
[patent_no_of_words] => 22214
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 237
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/975/07975662.pdf
[firstpage_image] =>[orig_patent_app_number] => 12586229
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/586229 | Internal combustion engine having a hydraulically-actuated variable valve control system, and motorcycle incorporating same | Sep 17, 2009 | Issued |
Array
(
[id] => 6292072
[patent_doc_number] => 20100064994
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-18
[patent_title] => 'INTERNAL-COMBUSTION ENGINE OF THE TYPE WITH AT LEAST ONE CYLINDER WORKING IN DEGRADED MODE'
[patent_app_type] => utility
[patent_app_number] => 12/562299
[patent_app_country] => US
[patent_app_date] => 2009-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4194
[patent_no_of_claims] => 12
[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/A1/0064/20100064994.pdf
[firstpage_image] =>[orig_patent_app_number] => 12562299
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/562299 | Internal-combustion engine of the type with at least one cylinder working in degraded mode | Sep 17, 2009 | Issued |
Array
(
[id] => 6198828
[patent_doc_number] => 20110061614
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-17
[patent_title] => 'CAMSHAFT HAVING A TUNED MASS DAMPER'
[patent_app_type] => utility
[patent_app_number] => 12/559948
[patent_app_country] => US
[patent_app_date] => 2009-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 5666
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0061/20110061614.pdf
[firstpage_image] =>[orig_patent_app_number] => 12559948
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/559948 | Camshaft having a tuned mass damper | Sep 14, 2009 | Issued |
Array
(
[id] => 7548987
[patent_doc_number] => 08061316
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-11-22
[patent_title] => 'Internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/558119
[patent_app_country] => US
[patent_app_date] => 2009-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 11
[patent_no_of_words] => 5122
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 199
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/061/08061316.pdf
[firstpage_image] =>[orig_patent_app_number] => 12558119
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/558119 | Internal combustion engine | Sep 10, 2009 | Issued |
Array
(
[id] => 9151738
[patent_doc_number] => 08584634
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-11-19
[patent_title] => 'Phaser built into a camshaft or concentric camshafts'
[patent_app_type] => utility
[patent_app_number] => 13/061997
[patent_app_country] => US
[patent_app_date] => 2009-09-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 4129
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 128
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13061997
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/061997 | Phaser built into a camshaft or concentric camshafts | Sep 9, 2009 | Issued |
Array
(
[id] => 6018699
[patent_doc_number] => 20110048352
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-03
[patent_title] => 'Compact Switchable Hydraulic Lash Adjuster with Hydraulic Lost Motion Assist'
[patent_app_type] => utility
[patent_app_number] => 12/552737
[patent_app_country] => US
[patent_app_date] => 2009-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2475
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0048/20110048352.pdf
[firstpage_image] =>[orig_patent_app_number] => 12552737
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/552737 | Compact switchable hydraulic lash adjuster with hydraulic lost motion assist | Sep 1, 2009 | Issued |
Array
(
[id] => 7994985
[patent_doc_number] => 08079337
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-12-20
[patent_title] => 'Variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 12/548118
[patent_app_country] => US
[patent_app_date] => 2009-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2278
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 88
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/079/08079337.pdf
[firstpage_image] =>[orig_patent_app_number] => 12548118
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/548118 | Variable valve lift apparatus | Aug 25, 2009 | Issued |
Array
(
[id] => 6018692
[patent_doc_number] => 20110048346
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-03
[patent_title] => 'Engine with Hydraulic Variable Valve Timing'
[patent_app_type] => utility
[patent_app_number] => 12/548216
[patent_app_country] => US
[patent_app_date] => 2009-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 7029
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0048/20110048346.pdf
[firstpage_image] =>[orig_patent_app_number] => 12548216
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/548216 | Engine with hydraulic variable valve timing | Aug 25, 2009 | Issued |
Array
(
[id] => 7525917
[patent_doc_number] => 08042504
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-25
[patent_title] => 'Adjusting valve timing to deactivate engine cylinders for variable displacement operation'
[patent_app_type] => utility
[patent_app_number] => 12/540406
[patent_app_country] => US
[patent_app_date] => 2009-08-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 38
[patent_no_of_words] => 10452
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 178
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/042/08042504.pdf
[firstpage_image] =>[orig_patent_app_number] => 12540406
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/540406 | Adjusting valve timing to deactivate engine cylinders for variable displacement operation | Aug 12, 2009 | Issued |
Array
(
[id] => 5923439
[patent_doc_number] => 20110036316
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-02-17
[patent_title] => 'INTAKE VALVE CLOSING HYDRAULIC ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 12/540828
[patent_app_country] => US
[patent_app_date] => 2009-08-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 5579
[patent_no_of_claims] => 29
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[patent_words_short_claim] => 0
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0036/20110036316.pdf
[firstpage_image] =>[orig_patent_app_number] => 12540828
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/540828 | Intake valve closing hydraulic adjuster | Aug 12, 2009 | Issued |
Array
(
[id] => 6532067
[patent_doc_number] => 20100043740
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-02-25
[patent_title] => 'VALVE COVER HOUSING FOR INTERNAL COMBUSTION ENGINES'
[patent_app_type] => utility
[patent_app_number] => 12/539865
[patent_app_country] => US
[patent_app_date] => 2009-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 3853
[patent_no_of_claims] => 26
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0043/20100043740.pdf
[firstpage_image] =>[orig_patent_app_number] => 12539865
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/539865 | Valve cover housing for internal combustion engines | Aug 11, 2009 | Issued |
Array
(
[id] => 5923438
[patent_doc_number] => 20110036315
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-02-17
[patent_title] => 'VALVE LIFT CONTROL APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/540116
[patent_app_country] => US
[patent_app_date] => 2009-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0036/20110036315.pdf
[firstpage_image] =>[orig_patent_app_number] => 12540116
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/540116 | VALVE LIFT CONTROL APPARATUS | Aug 11, 2009 | Abandoned |
Array
(
[id] => 6439469
[patent_doc_number] => 20100037845
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-02-18
[patent_title] => 'HYDRAULIC SUPPORT ELEMENT FOR A SWITCHABLE CAM FOLLOWER OF A VALVE DRIVE OF AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/539897
[patent_app_country] => US
[patent_app_date] => 2009-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1877
[patent_no_of_claims] => 7
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0037/20100037845.pdf
[firstpage_image] =>[orig_patent_app_number] => 12539897
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/539897 | Hydraulic support element for a switchable cam follower of a valve drive of an internal combustion engine | Aug 11, 2009 | Issued |
Array
(
[id] => 7538685
[patent_doc_number] => 08056522
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2011-11-15
[patent_title] => 'Automotive valve cover'
[patent_app_type] => utility
[patent_app_number] => 12/462636
[patent_app_country] => US
[patent_app_date] => 2009-08-06
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/056/08056522.pdf
[firstpage_image] =>[orig_patent_app_number] => 12462636
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/462636 | Automotive valve cover | Aug 5, 2009 | Issued |
Array
(
[id] => 6276680
[patent_doc_number] => 20100154731
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-06-24
[patent_title] => 'Continuously Variable Valve Actuation System'
[patent_app_type] => utility
[patent_app_number] => 12/536289
[patent_app_country] => US
[patent_app_date] => 2009-08-05
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[pdf_file] => publications/A1/0154/20100154731.pdf
[firstpage_image] =>[orig_patent_app_number] => 12536289
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/536289 | Continuously variable valve actuation system | Aug 4, 2009 | Issued |
Array
(
[id] => 4627786
[patent_doc_number] => 08006661
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-30
[patent_title] => 'Bridge and pivot foot arrangement for operating engine cylinder valves'
[patent_app_type] => utility
[patent_app_number] => 12/534956
[patent_app_country] => US
[patent_app_date] => 2009-08-04
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/006/08006661.pdf
[firstpage_image] =>[orig_patent_app_number] => 12534956
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/534956 | Bridge and pivot foot arrangement for operating engine cylinder valves | Aug 3, 2009 | Issued |
Array
(
[id] => 7538682
[patent_doc_number] => 08056519
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-11-15
[patent_title] => 'Camshaft phaser intermediate locking pin and seat'
[patent_app_type] => utility
[patent_app_number] => 12/534188
[patent_app_country] => US
[patent_app_date] => 2009-08-03
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 4415
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[patent_words_short_claim] => 192
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/056/08056519.pdf
[firstpage_image] =>[orig_patent_app_number] => 12534188
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/534188 | Camshaft phaser intermediate locking pin and seat | Aug 2, 2009 | Issued |