
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] => 4429117
[patent_doc_number] => 07895981
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-03-01
[patent_title] => 'Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/550938
[patent_app_country] => US
[patent_app_date] => 2004-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 42
[patent_no_of_words] => 13105
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 154
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/895/07895981.pdf
[firstpage_image] =>[orig_patent_app_number] => 10550938
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/550938 | Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine | Mar 25, 2004 | Issued |
Array
(
[id] => 632396
[patent_doc_number] => 07128032
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-10-31
[patent_title] => 'Electromagnetic actuator and control'
[patent_app_type] => utility
[patent_app_number] => 10/810538
[patent_app_country] => US
[patent_app_date] => 2004-03-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
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[patent_no_of_words] => 9300
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/128/07128032.pdf
[firstpage_image] =>[orig_patent_app_number] => 10810538
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/810538 | Electromagnetic actuator and control | Mar 25, 2004 | Issued |
Array
(
[id] => 468948
[patent_doc_number] => 07228832
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-06-12
[patent_title] => 'Internal combustion engine with translatable camshaft'
[patent_app_type] => utility
[patent_app_number] => 10/806786
[patent_app_country] => US
[patent_app_date] => 2004-03-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
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[patent_no_of_words] => 6439
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/228/07228832.pdf
[firstpage_image] =>[orig_patent_app_number] => 10806786
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/806786 | Internal combustion engine with translatable camshaft | Mar 22, 2004 | Issued |
Array
(
[id] => 7282954
[patent_doc_number] => 20040144345
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-07-29
[patent_title] => 'Device for controlling charge exchange valves'
[patent_app_type] => new
[patent_app_number] => 10/473528
[patent_app_country] => US
[patent_app_date] => 2004-03-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2273
[patent_no_of_claims] => 10
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0144/20040144345.pdf
[firstpage_image] =>[orig_patent_app_number] => 10473528
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/473528 | Device for controlling charge exchange valves | Mar 21, 2004 | Abandoned |
Array
(
[id] => 7414124
[patent_doc_number] => 20040176744
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-09
[patent_title] => 'Introducer having a movable valve assembly with removable side port'
[patent_app_type] => new
[patent_app_number] => 10/804596
[patent_app_country] => US
[patent_app_date] => 2004-03-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 4798
[patent_no_of_claims] => 22
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0176/20040176744.pdf
[firstpage_image] =>[orig_patent_app_number] => 10804596
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/804596 | Introducer having a movable valve assembly with removable side port | Mar 17, 2004 | Abandoned |
Array
(
[id] => 5138245
[patent_doc_number] => 20070000461
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-01-04
[patent_title] => 'Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device'
[patent_app_type] => utility
[patent_app_number] => 10/551539
[patent_app_country] => US
[patent_app_date] => 2004-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3250
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[pdf_file] => publications/A1/0000/20070000461.pdf
[firstpage_image] =>[orig_patent_app_number] => 10551539
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/551539 | Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device | Mar 16, 2004 | Issued |
Array
(
[id] => 1084209
[patent_doc_number] => 06830021
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-12-14
[patent_title] => 'Engine camshaft driving arrangement'
[patent_app_type] => B2
[patent_app_number] => 10/708578
[patent_app_country] => US
[patent_app_date] => 2004-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2844
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/830/06830021.pdf
[firstpage_image] =>[orig_patent_app_number] => 10708578
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/708578 | Engine camshaft driving arrangement | Mar 11, 2004 | Issued |
Array
(
[id] => 1079472
[patent_doc_number] => 06834627
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-12-28
[patent_title] => 'Intake air amount control apparatus and method of internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/797187
[patent_app_country] => US
[patent_app_date] => 2004-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 10774
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/834/06834627.pdf
[firstpage_image] =>[orig_patent_app_number] => 10797187
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/797187 | Intake air amount control apparatus and method of internal combustion engine | Mar 10, 2004 | Issued |
Array
(
[id] => 7372134
[patent_doc_number] => 20040177820
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-16
[patent_title] => 'VALVE-ACTUATING DEVICES FOR INTERNAL COMBUSTION ENGINES HAVING CHANGEABLE STROKE FUNCTIONS'
[patent_app_type] => new
[patent_app_number] => 10/796989
[patent_app_country] => US
[patent_app_date] => 2004-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 5259
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[pdf_file] => publications/A1/0177/20040177820.pdf
[firstpage_image] =>[orig_patent_app_number] => 10796989
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/796989 | Valve-actuating devices for internal combustion engines having changeable stroke functions | Mar 10, 2004 | Issued |
Array
(
[id] => 4991493
[patent_doc_number] => 20070006837
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-01-11
[patent_title] => 'Finger Lever of a Valve Drive of a Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 10/554346
[patent_app_country] => US
[patent_app_date] => 2004-03-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2414
[patent_no_of_claims] => 16
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[pdf_file] => publications/A1/0006/20070006837.pdf
[firstpage_image] =>[orig_patent_app_number] => 10554346
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/554346 | Finger lever of a valve drive of a combustion engine | Mar 8, 2004 | Issued |
Array
(
[id] => 1032581
[patent_doc_number] => 06874456
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-04-05
[patent_title] => 'Valve operating apparatus of internal combustion engines'
[patent_app_type] => utility
[patent_app_number] => 10/795263
[patent_app_country] => US
[patent_app_date] => 2004-03-09
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/874/06874456.pdf
[firstpage_image] =>[orig_patent_app_number] => 10795263
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/795263 | Valve operating apparatus of internal combustion engines | Mar 8, 2004 | Issued |
Array
(
[id] => 653040
[patent_doc_number] => 07107945
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-19
[patent_title] => 'Electromagnetically driven valve control system and method'
[patent_app_type] => utility
[patent_app_number] => 10/793813
[patent_app_country] => US
[patent_app_date] => 2004-03-08
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/107/07107945.pdf
[firstpage_image] =>[orig_patent_app_number] => 10793813
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/793813 | Electromagnetically driven valve control system and method | Mar 7, 2004 | Issued |
Array
(
[id] => 752896
[patent_doc_number] => 07013852
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-03-21
[patent_title] => 'Control apparatus for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/793023
[patent_app_country] => US
[patent_app_date] => 2004-03-05
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[firstpage_image] =>[orig_patent_app_number] => 10793023
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/793023 | Control apparatus for an internal combustion engine | Mar 4, 2004 | Issued |
Array
(
[id] => 6941925
[patent_doc_number] => 20050193973
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-09-08
[patent_title] => 'Dual feed hydraulic lash adjuster'
[patent_app_type] => utility
[patent_app_number] => 10/792418
[patent_app_country] => US
[patent_app_date] => 2004-03-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2034
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[pdf_file] => publications/A1/0193/20050193973.pdf
[firstpage_image] =>[orig_patent_app_number] => 10792418
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/792418 | Dual feed hydraulic lash adjuster | Mar 2, 2004 | Issued |
Array
(
[id] => 932926
[patent_doc_number] => 06976460
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-12-20
[patent_title] => 'Variable valve timing control device'
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[patent_app_country] => US
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[pdf_file] => patents/06/976/06976460.pdf
[firstpage_image] =>[orig_patent_app_number] => 10786539
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/786539 | Variable valve timing control device | Feb 25, 2004 | Issued |
Array
(
[id] => 7143036
[patent_doc_number] => 20040168659
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-02
[patent_title] => 'Variable valve operating system for internal combustion engine'
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[pdf_file] => publications/A1/0168/20040168659.pdf
[firstpage_image] =>[orig_patent_app_number] => 10780656
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/780656 | Variable valve operating system for internal combustion engine | Feb 18, 2004 | Issued |
Array
(
[id] => 7407053
[patent_doc_number] => 20040206320
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-10-21
[patent_title] => 'Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator'
[patent_app_type] => new
[patent_app_number] => 10/780947
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[pdf_file] => publications/A1/0206/20040206320.pdf
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/780947 | Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator | Feb 17, 2004 | Issued |
Array
(
[id] => 900066
[patent_doc_number] => 07334550
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-02-26
[patent_title] => 'Valve train and cam lobe'
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[patent_app_number] => 10/545679
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[pdf_file] => patents/07/334/07334550.pdf
[firstpage_image] =>[orig_patent_app_number] => 10545679
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/545679 | Valve train and cam lobe | Feb 16, 2004 | Issued |
Array
(
[id] => 7313180
[patent_doc_number] => 20040221824
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[patent_issue_date] => 2004-11-11
[patent_title] => 'Rotary actuator device to control the stroke of a charge exchange poppet valve in the cylinder head of an internal combustion engine'
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[patent_app_number] => 10/777215
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[firstpage_image] =>[orig_patent_app_number] => 10777215
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/777215 | Rotary actuator device to control the stroke of a charge exchange poppet valve in the cylinder head of an internal combustion engine | Feb 12, 2004 | Issued |
Array
(
[id] => 728360
[patent_doc_number] => 07036475
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[patent_issue_date] => 2006-05-02
[patent_title] => 'Lash adjuster for valve gear'
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[pdf_file] => patents/07/036/07036475.pdf
[firstpage_image] =>[orig_patent_app_number] => 10773278
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/773278 | Lash adjuster for valve gear | Feb 8, 2004 | Issued |