
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] => 5201512
[patent_doc_number] => 20070022991
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-02-01
[patent_title] => 'Rocker arm for an engine'
[patent_app_type] => utility
[patent_app_number] => 11/194269
[patent_app_country] => US
[patent_app_date] => 2005-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 1352
[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/A1/0022/20070022991.pdf
[firstpage_image] =>[orig_patent_app_number] => 11194269
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/194269 | Rocker arm for an engine | Jul 31, 2005 | Issued |
Array
(
[id] => 4654093
[patent_doc_number] => 20080022953
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-31
[patent_title] => 'Variable Valve Timing Control Deivce'
[patent_app_type] => utility
[patent_app_number] => 11/629899
[patent_app_country] => US
[patent_app_date] => 2005-07-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 8361
[patent_no_of_claims] => 8
[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/A1/0022/20080022953.pdf
[firstpage_image] =>[orig_patent_app_number] => 11629899
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/629899 | Variable valve timing control device | Jul 26, 2005 | Issued |
Array
(
[id] => 677404
[patent_doc_number] => 07082912
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-08-01
[patent_title] => 'System and method for controlling engine valve lift and valve opening percentage'
[patent_app_type] => utility
[patent_app_number] => 11/187759
[patent_app_country] => US
[patent_app_date] => 2005-07-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 36
[patent_no_of_words] => 8543
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 205
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/082/07082912.pdf
[firstpage_image] =>[orig_patent_app_number] => 11187759
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/187759 | System and method for controlling engine valve lift and valve opening percentage | Jul 21, 2005 | Issued |
Array
(
[id] => 605044
[patent_doc_number] => 07152560
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-12-26
[patent_title] => 'Engine valve performance controller'
[patent_app_type] => utility
[patent_app_number] => 11/186776
[patent_app_country] => US
[patent_app_date] => 2005-07-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 7126
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 126
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/152/07152560.pdf
[firstpage_image] =>[orig_patent_app_number] => 11186776
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/186776 | Engine valve performance controller | Jul 21, 2005 | Issued |
Array
(
[id] => 5072302
[patent_doc_number] => 20070012277
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-01-18
[patent_title] => 'Torsional damper for balance shafts'
[patent_app_type] => utility
[patent_app_number] => 11/181546
[patent_app_country] => US
[patent_app_date] => 2005-07-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1251
[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/A1/0012/20070012277.pdf
[firstpage_image] =>[orig_patent_app_number] => 11181546
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/181546 | Torsional damper for balance shafts | Jul 13, 2005 | Issued |
Array
(
[id] => 5789389
[patent_doc_number] => 20060011159
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-01-19
[patent_title] => 'System and method for controlling engine operation'
[patent_app_type] => utility
[patent_app_number] => 11/179808
[patent_app_country] => US
[patent_app_date] => 2005-07-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 6690
[patent_no_of_claims] => 2
[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/A1/0011/20060011159.pdf
[firstpage_image] =>[orig_patent_app_number] => 11179808
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/179808 | System and method for controlling engine operation | Jul 12, 2005 | Abandoned |
Array
(
[id] => 120159
[patent_doc_number] => 07703425
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-04-27
[patent_title] => 'Electromotive camshaft adjuster'
[patent_app_type] => utility
[patent_app_number] => 11/573496
[patent_app_country] => US
[patent_app_date] => 2005-07-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 12
[patent_no_of_words] => 4759
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/703/07703425.pdf
[firstpage_image] =>[orig_patent_app_number] => 11573496
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/573496 | Electromotive camshaft adjuster | Jul 12, 2005 | Issued |
Array
(
[id] => 670004
[patent_doc_number] => 07089899
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-08-15
[patent_title] => 'Stamped two-step rocker arm component'
[patent_app_type] => utility
[patent_app_number] => 11/178266
[patent_app_country] => US
[patent_app_date] => 2005-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 3825
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 199
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/089/07089899.pdf
[firstpage_image] =>[orig_patent_app_number] => 11178266
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/178266 | Stamped two-step rocker arm component | Jul 10, 2005 | Issued |
Array
(
[id] => 1075865
[patent_doc_number] => 07614374
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-11-10
[patent_title] => 'Rolling bearing for rocker arm'
[patent_app_type] => utility
[patent_app_number] => 11/659316
[patent_app_country] => US
[patent_app_date] => 2005-07-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 23
[patent_no_of_words] => 22241
[patent_no_of_claims] => 32
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 104
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/614/07614374.pdf
[firstpage_image] =>[orig_patent_app_number] => 11659316
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/659316 | Rolling bearing for rocker arm | Jul 5, 2005 | Issued |
Array
(
[id] => 5128422
[patent_doc_number] => 20070204819
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-09-06
[patent_title] => 'Valve Engine'
[patent_app_type] => utility
[patent_app_number] => 11/632558
[patent_app_country] => US
[patent_app_date] => 2005-07-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1769
[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/A1/0204/20070204819.pdf
[firstpage_image] =>[orig_patent_app_number] => 11632558
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/632558 | Valve engine | Jul 1, 2005 | Issued |
Array
(
[id] => 5604803
[patent_doc_number] => 20060266319
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-30
[patent_title] => 'Variable valve timing system'
[patent_app_type] => utility
[patent_app_number] => 11/172046
[patent_app_country] => US
[patent_app_date] => 2005-06-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2574
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0266/20060266319.pdf
[firstpage_image] =>[orig_patent_app_number] => 11172046
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/172046 | Variable valve timing system | Jun 29, 2005 | Issued |
Array
(
[id] => 720177
[patent_doc_number] => 07044094
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-05-16
[patent_title] => 'Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/169066
[patent_app_country] => US
[patent_app_date] => 2005-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 2903
[patent_no_of_claims] => 22
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/044/07044094.pdf
[firstpage_image] =>[orig_patent_app_number] => 11169066
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/169066 | Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine | Jun 26, 2005 | Issued |
Array
(
[id] => 325381
[patent_doc_number] => 07513230
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-04-07
[patent_title] => 'Camshaft adjusting device'
[patent_app_type] => utility
[patent_app_number] => 10/578527
[patent_app_country] => US
[patent_app_date] => 2005-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
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[patent_no_of_words] => 5345
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/513/07513230.pdf
[firstpage_image] =>[orig_patent_app_number] => 10578527
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/578527 | Camshaft adjusting device | Jun 26, 2005 | Issued |
Array
(
[id] => 7210142
[patent_doc_number] => 20050252473
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-11-17
[patent_title] => 'Metering socket'
[patent_app_type] => utility
[patent_app_number] => 11/166629
[patent_app_country] => US
[patent_app_date] => 2005-06-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 67
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[patent_no_of_words] => 16661
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0252/20050252473.pdf
[firstpage_image] =>[orig_patent_app_number] => 11166629
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/166629 | Metering socket | Jun 23, 2005 | Issued |
Array
(
[id] => 4906377
[patent_doc_number] => 20080017143
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-24
[patent_title] => 'Valve Timing Control Apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/629978
[patent_app_country] => US
[patent_app_date] => 2005-06-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => publications/A1/0017/20080017143.pdf
[firstpage_image] =>[orig_patent_app_number] => 11629978
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/629978 | Valve timing control apparatus | Jun 20, 2005 | Issued |
Array
(
[id] => 660178
[patent_doc_number] => 07100553
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-05
[patent_title] => 'Actuator for valve lift control device having cam mechanism'
[patent_app_type] => utility
[patent_app_number] => 11/156487
[patent_app_country] => US
[patent_app_date] => 2005-06-21
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/100/07100553.pdf
[firstpage_image] =>[orig_patent_app_number] => 11156487
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/156487 | Actuator for valve lift control device having cam mechanism | Jun 20, 2005 | Issued |
Array
(
[id] => 6928270
[patent_doc_number] => 20050279302
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-12-22
[patent_title] => 'Engine with variable valve timing'
[patent_app_type] => utility
[patent_app_number] => 11/157748
[patent_app_country] => US
[patent_app_date] => 2005-06-20
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0279/20050279302.pdf
[firstpage_image] =>[orig_patent_app_number] => 11157748
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/157748 | Engine with variable valve timing | Jun 19, 2005 | Issued |
Array
(
[id] => 577400
[patent_doc_number] => 07434557
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-14
[patent_title] => 'Hydraulic valve clearance compensation element'
[patent_app_type] => utility
[patent_app_number] => 11/632811
[patent_app_country] => US
[patent_app_date] => 2005-06-18
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[pdf_file] => patents/07/434/07434557.pdf
[firstpage_image] =>[orig_patent_app_number] => 11632811
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/632811 | Hydraulic valve clearance compensation element | Jun 17, 2005 | Issued |
Array
(
[id] => 5723360
[patent_doc_number] => 20060054120
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-03-16
[patent_title] => 'Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit'
[patent_app_type] => utility
[patent_app_number] => 11/154568
[patent_app_country] => US
[patent_app_date] => 2005-06-17
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[pdf_file] => publications/A1/0054/20060054120.pdf
[firstpage_image] =>[orig_patent_app_number] => 11154568
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/154568 | Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit | Jun 16, 2005 | Issued |
Array
(
[id] => 4985194
[patent_doc_number] => 20070151531
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-05
[patent_title] => 'Electromagnetically driven valve'
[patent_app_type] => utility
[patent_app_number] => 10/586779
[patent_app_country] => US
[patent_app_date] => 2005-06-16
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0151/20070151531.pdf
[firstpage_image] =>[orig_patent_app_number] => 10586779
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/586779 | Electromagnetically driven valve | Jun 15, 2005 | Issued |