
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] => 5174368
[patent_doc_number] => 20070175425
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-08-02
[patent_title] => 'Method and apparatus for operating an oil flow control valve'
[patent_app_type] => utility
[patent_app_number] => 11/643037
[patent_app_country] => US
[patent_app_date] => 2006-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3858
[patent_no_of_claims] => 10
[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/A1/0175/20070175425.pdf
[firstpage_image] =>[orig_patent_app_number] => 11643037
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/643037 | Method and apparatus for operating an oil flow control valve | Dec 19, 2006 | Issued |
Array
(
[id] => 5216585
[patent_doc_number] => 20070157896
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-12
[patent_title] => 'Control system and method for controlling an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/640851
[patent_app_country] => US
[patent_app_date] => 2006-12-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 10259
[patent_no_of_claims] => 12
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[pdf_file] => publications/A1/0157/20070157896.pdf
[firstpage_image] =>[orig_patent_app_number] => 11640851
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/640851 | Control system and method for controlling an internal combustion engine | Dec 18, 2006 | Issued |
Array
(
[id] => 6603466
[patent_doc_number] => 20100224149
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-09-09
[patent_title] => 'TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR'
[patent_app_type] => utility
[patent_app_number] => 12/160399
[patent_app_country] => US
[patent_app_date] => 2006-12-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3918
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0224/20100224149.pdf
[firstpage_image] =>[orig_patent_app_number] => 12160399
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/160399 | TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR | Dec 13, 2006 | Abandoned |
Array
(
[id] => 570526
[patent_doc_number] => 07444965
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-11-04
[patent_title] => 'Control device for supercharged internal combustion engines comprising a system for adjusting the control times of an inlet valve'
[patent_app_type] => utility
[patent_app_number] => 11/638419
[patent_app_country] => US
[patent_app_date] => 2006-12-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1484
[patent_no_of_claims] => 4
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[patent_words_short_claim] => 173
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/444/07444965.pdf
[firstpage_image] =>[orig_patent_app_number] => 11638419
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/638419 | Control device for supercharged internal combustion engines comprising a system for adjusting the control times of an inlet valve | Dec 13, 2006 | Issued |
Array
(
[id] => 6580842
[patent_doc_number] => 20100000477
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-01-07
[patent_title] => 'CAMSHAFT'
[patent_app_type] => utility
[patent_app_number] => 12/158878
[patent_app_country] => US
[patent_app_date] => 2006-12-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 3058
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[pdf_file] => publications/A1/0000/20100000477.pdf
[firstpage_image] =>[orig_patent_app_number] => 12158878
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/158878 | Camshaft | Dec 12, 2006 | Issued |
Array
(
[id] => 165276
[patent_doc_number] => 07665432
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-02-23
[patent_title] => 'Valve actuation system and method of driving two slave pistons with one master piston'
[patent_app_type] => utility
[patent_app_number] => 11/637047
[patent_app_country] => US
[patent_app_date] => 2006-12-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 4458
[patent_no_of_claims] => 17
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/665/07665432.pdf
[firstpage_image] =>[orig_patent_app_number] => 11637047
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/637047 | Valve actuation system and method of driving two slave pistons with one master piston | Dec 11, 2006 | Issued |
Array
(
[id] => 6347265
[patent_doc_number] => 20100071643
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-25
[patent_title] => 'VALVE OPENING ARRANGEMENT AND METHOD'
[patent_app_type] => utility
[patent_app_number] => 12/516387
[patent_app_country] => US
[patent_app_date] => 2006-12-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 3875
[patent_no_of_claims] => 28
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0071/20100071643.pdf
[firstpage_image] =>[orig_patent_app_number] => 12516387
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/516387 | Valve opening arrangement and method | Dec 11, 2006 | Issued |
Array
(
[id] => 148652
[patent_doc_number] => 07681539
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-03-23
[patent_title] => 'Method for improving operation of an electrically operable mechanical valve'
[patent_app_type] => utility
[patent_app_number] => 11/566890
[patent_app_country] => US
[patent_app_date] => 2006-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 11
[patent_no_of_words] => 10508
[patent_no_of_claims] => 20
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/681/07681539.pdf
[firstpage_image] =>[orig_patent_app_number] => 11566890
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/566890 | Method for improving operation of an electrically operable mechanical valve | Dec 4, 2006 | Issued |
Array
(
[id] => 227685
[patent_doc_number] => 07600494
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-10-13
[patent_title] => 'Operation of electrically actuated valves at lower temperatures'
[patent_app_type] => utility
[patent_app_number] => 11/566966
[patent_app_country] => US
[patent_app_date] => 2006-12-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/600/07600494.pdf
[firstpage_image] =>[orig_patent_app_number] => 11566966
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/566966 | Operation of electrically actuated valves at lower temperatures | Dec 4, 2006 | Issued |
Array
(
[id] => 922056
[patent_doc_number] => 07318402
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-01-15
[patent_title] => 'Dual lift rocker arm latch mechanism and actuation arrangement therefor'
[patent_app_type] => utility
[patent_app_number] => 11/633778
[patent_app_country] => US
[patent_app_date] => 2006-12-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 4171
[patent_no_of_claims] => 20
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/318/07318402.pdf
[firstpage_image] =>[orig_patent_app_number] => 11633778
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/633778 | Dual lift rocker arm latch mechanism and actuation arrangement therefor | Dec 3, 2006 | Issued |
Array
(
[id] => 5233179
[patent_doc_number] => 20070125334
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-06-07
[patent_title] => 'Roller Type hydrocushion mechanical tappet'
[patent_app_type] => utility
[patent_app_number] => 11/607691
[patent_app_country] => US
[patent_app_date] => 2006-12-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0125/20070125334.pdf
[firstpage_image] =>[orig_patent_app_number] => 11607691
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/607691 | Roller Type hydrocushion mechanical tappet | Dec 1, 2006 | Abandoned |
Array
(
[id] => 4827778
[patent_doc_number] => 20080127936
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-06-05
[patent_title] => 'Variable pitch timing chain/belt for camshaft to crankshaft correlation'
[patent_app_type] => utility
[patent_app_number] => 11/607136
[patent_app_country] => US
[patent_app_date] => 2006-11-30
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[pdf_file] => publications/A1/0127/20080127936.pdf
[firstpage_image] =>[orig_patent_app_number] => 11607136
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/607136 | Variable pitch timing chain/belt for camshaft to crankshaft correlation | Nov 29, 2006 | Abandoned |
Array
(
[id] => 180929
[patent_doc_number] => 07650863
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-01-26
[patent_title] => 'Variable engine valve actuation system having common rail'
[patent_app_type] => utility
[patent_app_number] => 11/606176
[patent_app_country] => US
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[pdf_file] => patents/07/650/07650863.pdf
[firstpage_image] =>[orig_patent_app_number] => 11606176
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/606176 | Variable engine valve actuation system having common rail | Nov 29, 2006 | Issued |
Array
(
[id] => 4855515
[patent_doc_number] => 20080264365
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-10-30
[patent_title] => 'Camshaft Adjuster'
[patent_app_type] => utility
[patent_app_number] => 12/097678
[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 12097678
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/097678 | Camshaft adjuster | Nov 27, 2006 | Issued |
Array
(
[id] => 869494
[patent_doc_number] => 07360514
[patent_country] => US
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[patent_issue_date] => 2008-04-22
[patent_title] => 'Method for operation of an internal combustion engine'
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[pdf_file] => patents/07/360/07360514.pdf
[firstpage_image] =>[orig_patent_app_number] => 11604790
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/604790 | Method for operation of an internal combustion engine | Nov 27, 2006 | Issued |
Array
(
[id] => 4985197
[patent_doc_number] => 20070151534
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-05
[patent_title] => 'Dual valve lift blip with single cam lobe for gasoline engines'
[patent_app_type] => utility
[patent_app_number] => 11/603737
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[pdf_file] => publications/A1/0151/20070151534.pdf
[firstpage_image] =>[orig_patent_app_number] => 11603737
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/603737 | Dual valve lift blip with single cam lobe for gasoline engines | Nov 21, 2006 | Issued |
Array
(
[id] => 927724
[patent_doc_number] => 07314029
[patent_country] => US
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[patent_issue_date] => 2008-01-01
[patent_title] => 'Variable valve timing device adapted for internal combustion engine'
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[firstpage_image] =>[orig_patent_app_number] => 11602327
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/602327 | Variable valve timing device adapted for internal combustion engine | Nov 20, 2006 | Issued |
Array
(
[id] => 5076176
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/602326 | Variable valve timing device adapted for internal combustion engine | Nov 20, 2006 | Issued |
Array
(
[id] => 399436
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[patent_title] => 'Valve timing adjusting apparatus'
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[firstpage_image] =>[orig_patent_app_number] => 11599396
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/599396 | Valve timing adjusting apparatus | Nov 14, 2006 | Issued |
Array
(
[id] => 120158
[patent_doc_number] => 07703424
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[patent_title] => 'Variable valve actuation system of internal combustion engine'
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[pdf_file] => patents/07/703/07703424.pdf
[firstpage_image] =>[orig_patent_app_number] => 11598786
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/598786 | Variable valve actuation system of internal combustion engine | Nov 13, 2006 | Issued |