
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] => 5729435
[patent_doc_number] => 20060254549
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-16
[patent_title] => 'HYDRAULIC TAPPET CLEARANCE COMPENSATION DEVICE'
[patent_app_type] => utility
[patent_app_number] => 11/382287
[patent_app_country] => US
[patent_app_date] => 2006-05-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2136
[patent_no_of_claims] => 10
[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/A1/0254/20060254549.pdf
[firstpage_image] =>[orig_patent_app_number] => 11382287
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/382287 | Hydraulic tappet clearance compensation device | May 8, 2006 | Issued |
Array
(
[id] => 381999
[patent_doc_number] => 07305944
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-12-11
[patent_title] => 'Control strategy for hydraulically-switched engine mechanisms'
[patent_app_type] => utility
[patent_app_number] => 11/429009
[patent_app_country] => US
[patent_app_date] => 2006-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 2779
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 138
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/305/07305944.pdf
[firstpage_image] =>[orig_patent_app_number] => 11429009
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/429009 | Control strategy for hydraulically-switched engine mechanisms | May 4, 2006 | Issued |
Array
(
[id] => 5729432
[patent_doc_number] => 20060254546
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-16
[patent_title] => 'Valve actuation device of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/418199
[patent_app_country] => US
[patent_app_date] => 2006-05-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 7695
[patent_no_of_claims] => 18
[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/A1/0254/20060254546.pdf
[firstpage_image] =>[orig_patent_app_number] => 11418199
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/418199 | Valve actuation device of internal combustion engine | May 4, 2006 | Issued |
Array
(
[id] => 287789
[patent_doc_number] => 07546823
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-06-16
[patent_title] => 'Variable overhead valve control for engines'
[patent_app_type] => utility
[patent_app_number] => 11/418360
[patent_app_country] => US
[patent_app_date] => 2006-05-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 13
[patent_no_of_words] => 7162
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 90
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/546/07546823.pdf
[firstpage_image] =>[orig_patent_app_number] => 11418360
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/418360 | Variable overhead valve control for engines | May 3, 2006 | Issued |
Array
(
[id] => 577376
[patent_doc_number] => 07434555
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-14
[patent_title] => 'V type internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/380318
[patent_app_country] => US
[patent_app_date] => 2006-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4781
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/434/07434555.pdf
[firstpage_image] =>[orig_patent_app_number] => 11380318
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/380318 | V type internal combustion engine | Apr 25, 2006 | Issued |
Array
(
[id] => 443418
[patent_doc_number] => 07252058
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-08-07
[patent_title] => 'Lift-variable valve-operating system for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/405678
[patent_app_country] => US
[patent_app_date] => 2006-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 4233
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 219
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/252/07252058.pdf
[firstpage_image] =>[orig_patent_app_number] => 11405678
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/405678 | Lift-variable valve-operating system for internal combustion engine | Apr 17, 2006 | Issued |
Array
(
[id] => 5333623
[patent_doc_number] => 20090050087
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-26
[patent_title] => 'Valve Mechanism for Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/918476
[patent_app_country] => US
[patent_app_date] => 2006-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 24
[patent_figures_cnt] => 24
[patent_no_of_words] => 21564
[patent_no_of_claims] => 25
[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/A1/0050/20090050087.pdf
[firstpage_image] =>[orig_patent_app_number] => 11918476
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/918476 | Valve Mechanism for Internal Combustion Engine | Apr 17, 2006 | Abandoned |
Array
(
[id] => 7525918
[patent_doc_number] => 08042505
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-25
[patent_title] => 'Internal combustion engine comprising a variable valve drive'
[patent_app_type] => utility
[patent_app_number] => 11/911719
[patent_app_country] => US
[patent_app_date] => 2006-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 17
[patent_no_of_words] => 13888
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/042/08042505.pdf
[firstpage_image] =>[orig_patent_app_number] => 11911719
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/911719 | Internal combustion engine comprising a variable valve drive | Apr 17, 2006 | Issued |
Array
(
[id] => 130066
[patent_doc_number] => 07694659
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-04-13
[patent_title] => 'Rocker arm'
[patent_app_type] => utility
[patent_app_number] => 11/918447
[patent_app_country] => US
[patent_app_date] => 2006-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 20
[patent_no_of_words] => 4898
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 155
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/694/07694659.pdf
[firstpage_image] =>[orig_patent_app_number] => 11918447
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/918447 | Rocker arm | Apr 13, 2006 | Issued |
Array
(
[id] => 306275
[patent_doc_number] => 07530338
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-05-12
[patent_title] => 'Valvetrain system for an engine'
[patent_app_type] => utility
[patent_app_number] => 11/279621
[patent_app_country] => US
[patent_app_date] => 2006-04-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 10
[patent_no_of_words] => 2625
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 173
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/530/07530338.pdf
[firstpage_image] =>[orig_patent_app_number] => 11279621
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/279621 | Valvetrain system for an engine | Apr 12, 2006 | Issued |
Array
(
[id] => 8844444
[patent_doc_number] => 08453613
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-06-04
[patent_title] => 'Valve actuation system with valve seating control'
[patent_app_type] => utility
[patent_app_number] => 11/401260
[patent_app_country] => US
[patent_app_date] => 2006-04-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4030
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 56
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11401260
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/401260 | Valve actuation system with valve seating control | Apr 10, 2006 | Issued |
Array
(
[id] => 891941
[patent_doc_number] => 07341034
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-03-11
[patent_title] => 'Hydraulic tappet'
[patent_app_type] => utility
[patent_app_number] => 11/399609
[patent_app_country] => US
[patent_app_date] => 2006-04-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 11
[patent_no_of_words] => 10778
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 163
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/341/07341034.pdf
[firstpage_image] =>[orig_patent_app_number] => 11399609
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/399609 | Hydraulic tappet | Apr 6, 2006 | Issued |
Array
(
[id] => 379308
[patent_doc_number] => 07308875
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-12-18
[patent_title] => 'Intake control apparatus of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/398559
[patent_app_country] => US
[patent_app_date] => 2006-04-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 12
[patent_no_of_words] => 7319
[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/07/308/07308875.pdf
[firstpage_image] =>[orig_patent_app_number] => 11398559
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/398559 | Intake control apparatus of internal combustion engine | Apr 5, 2006 | Issued |
Array
(
[id] => 4809757
[patent_doc_number] => 20080190388
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-08-14
[patent_title] => 'Camshaft Adjuster'
[patent_app_type] => utility
[patent_app_number] => 11/913572
[patent_app_country] => US
[patent_app_date] => 2006-04-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 4813
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0190/20080190388.pdf
[firstpage_image] =>[orig_patent_app_number] => 11913572
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/913572 | Camshaft adjuster | Apr 4, 2006 | Issued |
Array
(
[id] => 5168041
[patent_doc_number] => 20070068472
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-29
[patent_title] => 'Variable Valve Operating System for an Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/277526
[patent_app_country] => US
[patent_app_date] => 2006-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1486
[patent_no_of_claims] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0068/20070068472.pdf
[firstpage_image] =>[orig_patent_app_number] => 11277526
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/277526 | Variable Valve Operating System for an Internal Combustion Engine | Mar 26, 2006 | Abandoned |
Array
(
[id] => 862261
[patent_doc_number] => 07367296
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-05-06
[patent_title] => 'Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/390887
[patent_app_country] => US
[patent_app_date] => 2006-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_no_of_words] => 7858
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/367/07367296.pdf
[firstpage_image] =>[orig_patent_app_number] => 11390887
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/390887 | Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine | Mar 26, 2006 | Issued |
Array
(
[id] => 453273
[patent_doc_number] => 07243629
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-07-17
[patent_title] => 'Hydraulic valve lifter assembly'
[patent_app_type] => utility
[patent_app_number] => 11/390409
[patent_app_country] => US
[patent_app_date] => 2006-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2647
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/243/07243629.pdf
[firstpage_image] =>[orig_patent_app_number] => 11390409
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/390409 | Hydraulic valve lifter assembly | Mar 26, 2006 | Issued |
Array
(
[id] => 5622072
[patent_doc_number] => 20060260577
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-23
[patent_title] => 'Valve timing control apparatus and internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/389020
[patent_app_country] => US
[patent_app_date] => 2006-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
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[patent_no_of_words] => 11643
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0260/20060260577.pdf
[firstpage_image] =>[orig_patent_app_number] => 11389020
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/389020 | Valve timing control apparatus and internal combustion engine | Mar 26, 2006 | Abandoned |
Array
(
[id] => 139047
[patent_doc_number] => 07685976
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-03-30
[patent_title] => 'Induction tuning using multiple intake valve lift events'
[patent_app_type] => utility
[patent_app_number] => 11/389568
[patent_app_country] => US
[patent_app_date] => 2006-03-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 3587
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/685/07685976.pdf
[firstpage_image] =>[orig_patent_app_number] => 11389568
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/389568 | Induction tuning using multiple intake valve lift events | Mar 23, 2006 | Issued |
| 11/277439 | HIGH STIFFNESS LOW MASS ROCKER ARM | Mar 23, 2006 | Abandoned |