
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] => 7399071
[patent_doc_number] => 20040261738
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-30
[patent_title] => 'Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof'
[patent_app_type] => new
[patent_app_number] => 10/872529
[patent_app_country] => US
[patent_app_date] => 2004-06-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 5505
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 195
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0261/20040261738.pdf
[firstpage_image] =>[orig_patent_app_number] => 10872529
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/872529 | Fail-safe control apparatus for internal combustion engine equipped with variable valve characteristic mechanism and method thereof | Jun 21, 2004 | Issued |
Array
(
[id] => 6928266
[patent_doc_number] => 20050279298
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-12-22
[patent_title] => 'Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/873712
[patent_app_country] => US
[patent_app_date] => 2004-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 7799
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0279/20050279298.pdf
[firstpage_image] =>[orig_patent_app_number] => 10873712
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/873712 | Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine | Jun 20, 2004 | Issued |
Array
(
[id] => 732480
[patent_doc_number] => 07032550
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-04-25
[patent_title] => 'Inter-cylinder variation detection device and inter-bank variation detection device of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/528357
[patent_app_country] => US
[patent_app_date] => 2004-06-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 22
[patent_figures_cnt] => 34
[patent_no_of_words] => 20660
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 178
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/032/07032550.pdf
[firstpage_image] =>[orig_patent_app_number] => 10528357
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/528357 | Inter-cylinder variation detection device and inter-bank variation detection device of internal combustion engine | Jun 16, 2004 | Issued |
Array
(
[id] => 618264
[patent_doc_number] => 07140334
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-11-28
[patent_title] => 'Valve train for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/867818
[patent_app_country] => US
[patent_app_date] => 2004-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 8
[patent_no_of_words] => 5117
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 197
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/140/07140334.pdf
[firstpage_image] =>[orig_patent_app_number] => 10867818
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/867818 | Valve train for internal combustion engine | Jun 15, 2004 | Issued |
Array
(
[id] => 109832
[patent_doc_number] => 07712439
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-05-11
[patent_title] => 'Method for controlling operation of the cylinder of an internal combustion engine, an engine comprising a cylinder operating according said method and a motor vehicle provided with said engine'
[patent_app_type] => utility
[patent_app_number] => 10/562417
[patent_app_country] => US
[patent_app_date] => 2004-06-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 13
[patent_no_of_words] => 3223
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 211
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/712/07712439.pdf
[firstpage_image] =>[orig_patent_app_number] => 10562417
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/562417 | Method for controlling operation of the cylinder of an internal combustion engine, an engine comprising a cylinder operating according said method and a motor vehicle provided with said engine | Jun 3, 2004 | Issued |
Array
(
[id] => 7336448
[patent_doc_number] => 20040244751
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-09
[patent_title] => 'Deactivating valve lifter'
[patent_app_type] => new
[patent_app_number] => 10/859024
[patent_app_country] => US
[patent_app_date] => 2004-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 2069
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 53
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0244/20040244751.pdf
[firstpage_image] =>[orig_patent_app_number] => 10859024
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/859024 | Deactivating valve lifter | Jun 1, 2004 | Abandoned |
Array
(
[id] => 7244631
[patent_doc_number] => 20040237917
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-02
[patent_title] => 'Valve timing control system and control system for an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/855566
[patent_app_country] => US
[patent_app_date] => 2004-05-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 46
[patent_figures_cnt] => 46
[patent_no_of_words] => 31524
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 36
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0237/20040237917.pdf
[firstpage_image] =>[orig_patent_app_number] => 10855566
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/855566 | Valve timing control system and control system for an internal combustion engine | May 27, 2004 | Issued |
Array
(
[id] => 692036
[patent_doc_number] => 07069889
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-07-04
[patent_title] => 'Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams'
[patent_app_type] => utility
[patent_app_number] => 10/536277
[patent_app_country] => US
[patent_app_date] => 2004-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 36
[patent_no_of_words] => 1692
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 228
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/069/07069889.pdf
[firstpage_image] =>[orig_patent_app_number] => 10536277
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/536277 | Camshaft, especially for an internal combustion engine of a motor vehicle, comprising shiftable cams | May 25, 2004 | Issued |
Array
(
[id] => 5048331
[patent_doc_number] => 20070028875
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-02-08
[patent_title] => 'Valve moving device for engine'
[patent_app_type] => utility
[patent_app_number] => 10/557139
[patent_app_country] => US
[patent_app_date] => 2004-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 5902
[patent_no_of_claims] => 3
[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/A1/0028/20070028875.pdf
[firstpage_image] =>[orig_patent_app_number] => 10557139
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/557139 | Valve moving device for engine | May 25, 2004 | Issued |
Array
(
[id] => 7359976
[patent_doc_number] => 20040216708
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-11-04
[patent_title] => 'Apparatus and method for controlling variable valve operating mechanism'
[patent_app_type] => new
[patent_app_number] => 10/851140
[patent_app_country] => US
[patent_app_date] => 2004-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 5519
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0216/20040216708.pdf
[firstpage_image] =>[orig_patent_app_number] => 10851140
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/851140 | Apparatus and method for controlling variable valve operating mechanism | May 23, 2004 | Issued |
Array
(
[id] => 7210136
[patent_doc_number] => 20050252472
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-11-17
[patent_title] => 'Rocker arm assembly for an engine'
[patent_app_type] => utility
[patent_app_number] => 10/845859
[patent_app_country] => US
[patent_app_date] => 2004-05-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1954
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0252/20050252472.pdf
[firstpage_image] =>[orig_patent_app_number] => 10845859
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/845859 | Rocker arm assembly for an engine | May 13, 2004 | Abandoned |
Array
(
[id] => 545736
[patent_doc_number] => 07467609
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-12-23
[patent_title] => 'Valve-stroke controls'
[patent_app_type] => utility
[patent_app_number] => 10/834599
[patent_app_country] => US
[patent_app_date] => 2004-04-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 6339
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 194
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/467/07467609.pdf
[firstpage_image] =>[orig_patent_app_number] => 10834599
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/834599 | Valve-stroke controls | Apr 28, 2004 | Issued |
Array
(
[id] => 5690791
[patent_doc_number] => 20060150936
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-07-13
[patent_title] => 'Control device for multicylinder internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/521556
[patent_app_country] => US
[patent_app_date] => 2004-04-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 13155
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0150/20060150936.pdf
[firstpage_image] =>[orig_patent_app_number] => 10521556
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/521556 | Control device for multicylinder internal combustion engine | Apr 27, 2004 | Issued |
Array
(
[id] => 118528
[patent_doc_number] => 07707982
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-05-04
[patent_title] => 'Valve rotating mechanism for exhaust valves, especially of marine diesel engines'
[patent_app_type] => utility
[patent_app_number] => 11/587508
[patent_app_country] => US
[patent_app_date] => 2004-04-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3663
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 168
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/707/07707982.pdf
[firstpage_image] =>[orig_patent_app_number] => 11587508
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/587508 | Valve rotating mechanism for exhaust valves, especially of marine diesel engines | Apr 26, 2004 | Issued |
Array
(
[id] => 7336442
[patent_doc_number] => 20040244746
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-09
[patent_title] => 'Valve timing adjusting device'
[patent_app_type] => new
[patent_app_number] => 10/832233
[patent_app_country] => US
[patent_app_date] => 2004-04-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3709
[patent_no_of_claims] => 7
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0244/20040244746.pdf
[firstpage_image] =>[orig_patent_app_number] => 10832233
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/832233 | Valve timing adjusting device | Apr 26, 2004 | Issued |
Array
(
[id] => 7336441
[patent_doc_number] => 20040244745
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-09
[patent_title] => 'Camshaft Adjuster for Vehicles, Especially Motor Vehicles'
[patent_app_type] => new
[patent_app_number] => 10/709216
[patent_app_country] => US
[patent_app_date] => 2004-04-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 3927
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0244/20040244745.pdf
[firstpage_image] =>[orig_patent_app_number] => 10709216
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/709216 | Camshaft adjuster for vehicles, especially motor vehicles | Apr 21, 2004 | Issued |
Array
(
[id] => 7399054
[patent_doc_number] => 20040261736
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-12-30
[patent_title] => 'Methods of controlling a camless engine to prevent interference between valves and pistons'
[patent_app_type] => new
[patent_app_number] => 10/824837
[patent_app_country] => US
[patent_app_date] => 2004-04-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 3105
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0261/20040261736.pdf
[firstpage_image] =>[orig_patent_app_number] => 10824837
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/824837 | Methods of controlling a camless engine to prevent interference between valves and pistons | Apr 14, 2004 | Abandoned |
Array
(
[id] => 7015072
[patent_doc_number] => 20050217623
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-10-06
[patent_title] => 'Cam follower'
[patent_app_type] => utility
[patent_app_number] => 10/817079
[patent_app_country] => US
[patent_app_date] => 2004-04-02
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0217/20050217623.pdf
[firstpage_image] =>[orig_patent_app_number] => 10817079
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/817079 | Cam follower | Apr 1, 2004 | Abandoned |
Array
(
[id] => 973449
[patent_doc_number] => 06932041
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-08-23
[patent_title] => 'Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased lifter'
[patent_app_type] => utility
[patent_app_number] => 10/816098
[patent_app_country] => US
[patent_app_date] => 2004-04-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/932/06932041.pdf
[firstpage_image] =>[orig_patent_app_number] => 10816098
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/816098 | Apparatus and method for maintaining controlled orientation of a roller lifter follower used in conjunction with a variable phased lifter | Mar 31, 2004 | Issued |
Array
(
[id] => 7272171
[patent_doc_number] => 20040231622
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-11-25
[patent_title] => 'Valve train for internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/811728
[patent_app_country] => US
[patent_app_date] => 2004-03-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 6338
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0231/20040231622.pdf
[firstpage_image] =>[orig_patent_app_number] => 10811728
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/811728 | Valve train for internal combustion engine | Mar 28, 2004 | Abandoned |