
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] => 5025522
[patent_doc_number] => 20070266968
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-22
[patent_title] => 'Twin cylinder motorcycle engine'
[patent_app_type] => utility
[patent_app_number] => 11/882380
[patent_app_country] => US
[patent_app_date] => 2007-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 20
[patent_no_of_words] => 3186
[patent_no_of_claims] => 10
[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/A1/0266/20070266968.pdf
[firstpage_image] =>[orig_patent_app_number] => 11882380
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/882380 | Collapsible pushrod assembly and method of installing a collapsible pushrod assembly | Jul 31, 2007 | Issued |
Array
(
[id] => 5357176
[patent_doc_number] => 20090031970
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-02-05
[patent_title] => 'SWITCHABLE VALVETRAIN SYSTEM AND METHOD OF OPERATION'
[patent_app_type] => utility
[patent_app_number] => 11/832327
[patent_app_country] => US
[patent_app_date] => 2007-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2230
[patent_no_of_claims] => 12
[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/A1/0031/20090031970.pdf
[firstpage_image] =>[orig_patent_app_number] => 11832327
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/832327 | Switchable valvetrain system and method of operation | Jul 31, 2007 | Issued |
Array
(
[id] => 4767732
[patent_doc_number] => 20080053386
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-03-06
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/882106
[patent_app_country] => US
[patent_app_date] => 2007-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 10026
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0053/20080053386.pdf
[firstpage_image] =>[orig_patent_app_number] => 11882106
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/882106 | Valve timing control apparatus | Jul 29, 2007 | Issued |
Array
(
[id] => 4654094
[patent_doc_number] => 20080022954
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-31
[patent_title] => 'Cam follower for a valve drive of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/881368
[patent_app_country] => US
[patent_app_date] => 2007-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1180
[patent_no_of_claims] => 7
[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/A1/0022/20080022954.pdf
[firstpage_image] =>[orig_patent_app_number] => 11881368
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/881368 | Cam follower for a valve drive of an internal combustion engine | Jul 25, 2007 | Issued |
Array
(
[id] => 4906387
[patent_doc_number] => 20080017153
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-24
[patent_title] => 'VALVETRAIN SWITCHABLE LEVER ARM FOR INTERNAL COMBUSTION ENGINE USING COLLAPSING PIVOT ELEMENT AT CENTER PIVOT'
[patent_app_type] => utility
[patent_app_number] => 11/780670
[patent_app_country] => US
[patent_app_date] => 2007-07-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2156
[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/A1/0017/20080017153.pdf
[firstpage_image] =>[orig_patent_app_number] => 11780670
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/780670 | Valvetrain switchable lever arm for internal combustion engine using collapsing pivot element at center pivot | Jul 19, 2007 | Issued |
Array
(
[id] => 11343
[patent_doc_number] => 07802545
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-09-28
[patent_title] => 'Valve timing controller'
[patent_app_type] => utility
[patent_app_number] => 11/826892
[patent_app_country] => US
[patent_app_date] => 2007-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 15
[patent_no_of_words] => 5304
[patent_no_of_claims] => 9
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/802/07802545.pdf
[firstpage_image] =>[orig_patent_app_number] => 11826892
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/826892 | Valve timing controller | Jul 18, 2007 | Issued |
Array
(
[id] => 4906382
[patent_doc_number] => 20080017148
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-24
[patent_title] => 'Fully Variable Mechanical Valve Train In An Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/780168
[patent_app_country] => US
[patent_app_date] => 2007-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 2076
[patent_no_of_claims] => 19
[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/A1/0017/20080017148.pdf
[firstpage_image] =>[orig_patent_app_number] => 11780168
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/780168 | Fully variable mechanical valve train in an internal combustion engine | Jul 18, 2007 | Issued |
Array
(
[id] => 5042979
[patent_doc_number] => 20070261650
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-15
[patent_title] => 'Lift-variable valve-operating systems for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/822917
[patent_app_country] => US
[patent_app_date] => 2007-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 4233
[patent_no_of_claims] => 7
[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/A1/0261/20070261650.pdf
[firstpage_image] =>[orig_patent_app_number] => 11822917
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/822917 | Lift-variable valve-operating systems for internal combustion engine | Jul 10, 2007 | Issued |
Array
(
[id] => 325384
[patent_doc_number] => 07513233
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-04-07
[patent_title] => 'Variable valve timing controller for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/822927
[patent_app_country] => US
[patent_app_date] => 2007-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 6396
[patent_no_of_claims] => 5
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/513/07513233.pdf
[firstpage_image] =>[orig_patent_app_number] => 11822927
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/822927 | Variable valve timing controller for internal combustion engine | Jul 10, 2007 | Issued |
Array
(
[id] => 361864
[patent_doc_number] => 07481191
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-27
[patent_title] => 'Variable valve timing control apparatus of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/776287
[patent_app_country] => US
[patent_app_date] => 2007-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 13
[patent_no_of_words] => 9542
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 108
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/481/07481191.pdf
[firstpage_image] =>[orig_patent_app_number] => 11776287
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/776287 | Variable valve timing control apparatus of internal combustion engine | Jul 10, 2007 | Issued |
Array
(
[id] => 4799666
[patent_doc_number] => 20080011253
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-17
[patent_title] => 'VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 11/774862
[patent_app_country] => US
[patent_app_date] => 2007-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 9960
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0011/20080011253.pdf
[firstpage_image] =>[orig_patent_app_number] => 11774862
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/774862 | Variable valve actuating apparatus for internal combustion engine | Jul 8, 2007 | Issued |
Array
(
[id] => 5306686
[patent_doc_number] => 20090013967
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-01-15
[patent_title] => 'SPRING-LESS VALVE TRAIN FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 11/774907
[patent_app_country] => US
[patent_app_date] => 2007-07-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 2482
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0013/20090013967.pdf
[firstpage_image] =>[orig_patent_app_number] => 11774907
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/774907 | SPRING-LESS VALVE TRAIN FOR INTERNAL COMBUSTION ENGINE | Jul 8, 2007 | Abandoned |
Array
(
[id] => 266368
[patent_doc_number] => 07565890
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-07-28
[patent_title] => 'Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement'
[patent_app_type] => utility
[patent_app_number] => 11/772408
[patent_app_country] => US
[patent_app_date] => 2007-07-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 3191
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/565/07565890.pdf
[firstpage_image] =>[orig_patent_app_number] => 11772408
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/772408 | Rail used as a torsional stop for the valve train of an internal combustion engine, and roller tappet arrangement | Jul 1, 2007 | Issued |
Array
(
[id] => 5222210
[patent_doc_number] => 20070251476
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-01
[patent_title] => 'Phaser for Controlling the Timing Between A Camshaft and A Timing Gear'
[patent_app_type] => utility
[patent_app_number] => 11/770777
[patent_app_country] => US
[patent_app_date] => 2007-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2734
[patent_no_of_claims] => 10
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0251/20070251476.pdf
[firstpage_image] =>[orig_patent_app_number] => 11770777
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/770777 | Phaser for controlling the timing between a camshaft and a timing gear | Jun 28, 2007 | Issued |
Array
(
[id] => 5162334
[patent_doc_number] => 20070283914
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-13
[patent_title] => 'Dual Lift Rocker Arm Latch Mechanism And Actuation Arrangement Therefor'
[patent_app_type] => utility
[patent_app_number] => 11/771088
[patent_app_country] => US
[patent_app_date] => 2007-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[pdf_file] => publications/A1/0283/20070283914.pdf
[firstpage_image] =>[orig_patent_app_number] => 11771088
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/771088 | Dual lift rocker arm latch mechanism and actuation arrangement therefor | Jun 28, 2007 | Issued |
Array
(
[id] => 4565197
[patent_doc_number] => 07854215
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-21
[patent_title] => 'Valve train with overload features'
[patent_app_type] => utility
[patent_app_number] => 11/769858
[patent_app_country] => US
[patent_app_date] => 2007-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => patents/07/854/07854215.pdf
[firstpage_image] =>[orig_patent_app_number] => 11769858
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/769858 | Valve train with overload features | Jun 27, 2007 | Issued |
Array
(
[id] => 4684870
[patent_doc_number] => 20080029051
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-02-07
[patent_title] => 'Method and device for controlling an electrodynamic brake of an electric camshaft adjuster for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/821549
[patent_app_country] => US
[patent_app_date] => 2007-06-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0029/20080029051.pdf
[firstpage_image] =>[orig_patent_app_number] => 11821549
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/821549 | Method and device for controlling an electrodynamic brake of an electric camshaft adjuster for an internal combustion engine | Jun 21, 2007 | Issued |
Array
(
[id] => 4853887
[patent_doc_number] => 20080319630
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-12-25
[patent_title] => 'Adaptive air intake manifold valve actuator (IMVA)'
[patent_app_type] => utility
[patent_app_number] => 11/821247
[patent_app_country] => US
[patent_app_date] => 2007-06-22
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0319/20080319630.pdf
[firstpage_image] =>[orig_patent_app_number] => 11821247
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/821247 | Adaptive air intake manifold valve actuator (IMVA) | Jun 21, 2007 | Abandoned |
Array
(
[id] => 4848599
[patent_doc_number] => 20080314340
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-12-25
[patent_title] => 'Two-step roller finger cam follower assembly having a follower travel limiter'
[patent_app_type] => utility
[patent_app_number] => 11/820789
[patent_app_country] => US
[patent_app_date] => 2007-06-20
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[pdf_file] => publications/A1/0314/20080314340.pdf
[firstpage_image] =>[orig_patent_app_number] => 11820789
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/820789 | Two-step roller finger cam follower assembly having a follower travel limiter | Jun 19, 2007 | Issued |
Array
(
[id] => 215982
[patent_doc_number] => 07610887
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-11-03
[patent_title] => 'Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface'
[patent_app_type] => utility
[patent_app_number] => 11/820756
[patent_app_country] => US
[patent_app_date] => 2007-06-20
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/610/07610887.pdf
[firstpage_image] =>[orig_patent_app_number] => 11820756
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/820756 | Valve-deactivating hydraulic lifter having a contoured pin housing bottom surface | Jun 19, 2007 | Issued |