
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] => 815532
[patent_doc_number] => 07409934
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-08-12
[patent_title] => 'System for variable valvetrain actuation'
[patent_app_type] => utility
[patent_app_number] => 11/546858
[patent_app_country] => US
[patent_app_date] => 2006-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 24
[patent_figures_cnt] => 37
[patent_no_of_words] => 7675
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/409/07409934.pdf
[firstpage_image] =>[orig_patent_app_number] => 11546858
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/546858 | System for variable valvetrain actuation | Oct 11, 2006 | Issued |
Array
(
[id] => 165275
[patent_doc_number] => 07665431
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-02-23
[patent_title] => 'Drive piston assembly for a valve actuator assembly'
[patent_app_type] => utility
[patent_app_number] => 11/548297
[patent_app_country] => US
[patent_app_date] => 2006-10-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/665/07665431.pdf
[firstpage_image] =>[orig_patent_app_number] => 11548297
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/548297 | Drive piston assembly for a valve actuator assembly | Oct 10, 2006 | Issued |
Array
(
[id] => 561597
[patent_doc_number] => 07455040
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-11-25
[patent_title] => 'Hydraulic circuit for switchable cam followers'
[patent_app_type] => utility
[patent_app_number] => 11/545198
[patent_app_country] => US
[patent_app_date] => 2006-10-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2787
[patent_no_of_claims] => 25
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/455/07455040.pdf
[firstpage_image] =>[orig_patent_app_number] => 11545198
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/545198 | Hydraulic circuit for switchable cam followers | Oct 9, 2006 | Issued |
Array
(
[id] => 4690612
[patent_doc_number] => 20080083382
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-04-10
[patent_title] => 'PUSHROD ENGINE WITH MULTIPLE INDEPENDENT LASH ADJUSTERS FOR EACH PUSHROD'
[patent_app_type] => utility
[patent_app_number] => 11/539238
[patent_app_country] => US
[patent_app_date] => 2006-10-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2931
[patent_no_of_claims] => 20
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0083/20080083382.pdf
[firstpage_image] =>[orig_patent_app_number] => 11539238
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/539238 | Pushrod engine with multiple independent lash adjusters for each pushrod | Oct 5, 2006 | Issued |
Array
(
[id] => 4967681
[patent_doc_number] => 20070107683
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-17
[patent_title] => 'Engine control unit and method for operating such engine control unit'
[patent_app_type] => utility
[patent_app_number] => 11/542066
[patent_app_country] => US
[patent_app_date] => 2006-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 3856
[patent_no_of_claims] => 10
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0107/20070107683.pdf
[firstpage_image] =>[orig_patent_app_number] => 11542066
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/542066 | Engine control unit and method for operating such engine control unit | Oct 2, 2006 | Abandoned |
Array
(
[id] => 4941022
[patent_doc_number] => 20080078343
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-04-03
[patent_title] => 'Bias spring arbor for a camshaft phaser'
[patent_app_type] => utility
[patent_app_number] => 11/540152
[patent_app_country] => US
[patent_app_date] => 2006-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 1684
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0078/20080078343.pdf
[firstpage_image] =>[orig_patent_app_number] => 11540152
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/540152 | Bias spring arbor for a camshaft phaser | Sep 28, 2006 | Issued |
Array
(
[id] => 924646
[patent_doc_number] => 07316213
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-01-08
[patent_title] => 'Valve timing control device and control method for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/528346
[patent_app_country] => US
[patent_app_date] => 2006-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 9136
[patent_no_of_claims] => 21
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/316/07316213.pdf
[firstpage_image] =>[orig_patent_app_number] => 11528346
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/528346 | Valve timing control device and control method for internal combustion engine | Sep 27, 2006 | Issued |
Array
(
[id] => 1406
[patent_doc_number] => 07814873
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-19
[patent_title] => 'Variable valve operating device and valve opening amount adjustment method'
[patent_app_type] => utility
[patent_app_number] => 11/988487
[patent_app_country] => US
[patent_app_date] => 2006-09-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 9728
[patent_no_of_claims] => 9
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/814/07814873.pdf
[firstpage_image] =>[orig_patent_app_number] => 11988487
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/988487 | Variable valve operating device and valve opening amount adjustment method | Sep 21, 2006 | Issued |
Array
(
[id] => 5554741
[patent_doc_number] => 20090266318
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-10-29
[patent_title] => 'SLIDING MODE CONTROL APPARATUS AND ADJUSTING METHOD'
[patent_app_type] => utility
[patent_app_number] => 12/067397
[patent_app_country] => US
[patent_app_date] => 2006-09-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 23
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[patent_no_of_words] => 15778
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[pdf_file] => publications/A1/0266/20090266318.pdf
[firstpage_image] =>[orig_patent_app_number] => 12067397
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/067397 | Sliding mode control apparatus and adjusting method | Sep 21, 2006 | Issued |
Array
(
[id] => 5133059
[patent_doc_number] => 20070074686
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-04-05
[patent_title] => 'Engine with intake valves operated by camshaft'
[patent_app_type] => utility
[patent_app_number] => 11/522427
[patent_app_country] => US
[patent_app_date] => 2006-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 5867
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[pdf_file] => publications/A1/0074/20070074686.pdf
[firstpage_image] =>[orig_patent_app_number] => 11522427
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/522427 | Engine with intake valves operated by camshaft | Sep 17, 2006 | Issued |
Array
(
[id] => 5053617
[patent_doc_number] => 20070056537
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-15
[patent_title] => 'Control apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/519937
[patent_app_country] => US
[patent_app_date] => 2006-09-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0056/20070056537.pdf
[firstpage_image] =>[orig_patent_app_number] => 11519937
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/519937 | Control apparatus for internal combustion engine | Sep 12, 2006 | Abandoned |
Array
(
[id] => 4991490
[patent_doc_number] => 20070006834
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-01-11
[patent_title] => 'Camshaft and method for producing a camshaft'
[patent_app_type] => utility
[patent_app_number] => 11/518567
[patent_app_country] => US
[patent_app_date] => 2006-09-08
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[firstpage_image] =>[orig_patent_app_number] => 11518567
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/518567 | Camshaft and method for producing a camshaft | Sep 7, 2006 | Issued |
Array
(
[id] => 851354
[patent_doc_number] => 07377242
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-05-27
[patent_title] => 'Valve timing adjusting apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/515247
[patent_app_country] => US
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[pdf_file] => patents/07/377/07377242.pdf
[firstpage_image] =>[orig_patent_app_number] => 11515247
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/515247 | Valve timing adjusting apparatus | Sep 4, 2006 | Issued |
Array
(
[id] => 4882955
[patent_doc_number] => 20080257287
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-10-23
[patent_title] => 'Method and Device for Determining a Switchover Condition in Order to Initiate a Valve Lift Changeover in an Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 12/067217
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[pdf_file] => publications/A1/0257/20080257287.pdf
[firstpage_image] =>[orig_patent_app_number] => 12067217
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/067217 | Method and device for determining a switchover condition in order to initiate a valve lift changeover in an internal combustion engine | Sep 3, 2006 | Issued |
Array
(
[id] => 574307
[patent_doc_number] => 07438031
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-21
[patent_title] => 'Layout structure of hydraulic control valve for valve train in internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/511329
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[pdf_file] => patents/07/438/07438031.pdf
[firstpage_image] =>[orig_patent_app_number] => 11511329
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/511329 | Layout structure of hydraulic control valve for valve train in internal combustion engine | Aug 28, 2006 | Issued |
Array
(
[id] => 497449
[patent_doc_number] => 07201125
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[patent_kind] => B2
[patent_issue_date] => 2007-04-10
[patent_title] => 'Valve train for an internal combustion engine'
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[firstpage_image] =>[orig_patent_app_number] => 11466157
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/466157 | Valve train for an internal combustion engine | Aug 21, 2006 | Issued |
Array
(
[id] => 802290
[patent_doc_number] => 07421990
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-09-09
[patent_title] => 'Harmonic drive camshaft phaser'
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[patent_app_number] => 11/507758
[patent_app_country] => US
[patent_app_date] => 2006-08-22
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[pdf_file] => patents/07/421/07421990.pdf
[firstpage_image] =>[orig_patent_app_number] => 11507758
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/507758 | Harmonic drive camshaft phaser | Aug 21, 2006 | Issued |
Array
(
[id] => 4996947
[patent_doc_number] => 20070039581
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-02-22
[patent_title] => 'Phaser for controlling the timing between a camshaft and timing gear'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/507295 | Phaser for controlling the timing between a camshaft and timing gear | Aug 20, 2006 | Abandoned |
Array
(
[id] => 835394
[patent_doc_number] => 07392777
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[patent_issue_date] => 2008-07-01
[patent_title] => 'Variable valve train of an internal combustion engine'
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[firstpage_image] =>[orig_patent_app_number] => 11505667
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/505667 | Variable valve train of an internal combustion engine | Aug 16, 2006 | Issued |
Array
(
[id] => 375976
[patent_doc_number] => 07311074
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[patent_issue_date] => 2007-12-25
[patent_title] => 'Guide rail for valve tappet of an internal combustion engine'
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[pdf_file] => patents/07/311/07311074.pdf
[firstpage_image] =>[orig_patent_app_number] => 11505587
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/505587 | Guide rail for valve tappet of an internal combustion engine | Aug 16, 2006 | Issued |