
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] => 5781539
[patent_doc_number] => 20020157625
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-10-31
[patent_title] => 'Electrically rotatable shaft'
[patent_app_type] => new
[patent_app_number] => 10/128900
[patent_app_country] => US
[patent_app_date] => 2002-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2089
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 71
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0157/20020157625.pdf
[firstpage_image] =>[orig_patent_app_number] => 10128900
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/128900 | Electrically rotatable shaft | Apr 23, 2002 | Issued |
Array
(
[id] => 5781541
[patent_doc_number] => 20020157627
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-10-31
[patent_title] => 'Electrically rotatable shaft'
[patent_app_type] => new
[patent_app_number] => 10/128877
[patent_app_country] => US
[patent_app_date] => 2002-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 1620
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0157/20020157627.pdf
[firstpage_image] =>[orig_patent_app_number] => 10128877
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/128877 | Electrically rotatable shaft | Apr 23, 2002 | Issued |
Array
(
[id] => 1316633
[patent_doc_number] => 06598571
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-07-29
[patent_title] => 'Cam follower with roller'
[patent_app_type] => B1
[patent_app_number] => 10/127757
[patent_app_country] => US
[patent_app_date] => 2002-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 11
[patent_no_of_words] => 6398
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/598/06598571.pdf
[firstpage_image] =>[orig_patent_app_number] => 10127757
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/127757 | Cam follower with roller | Apr 22, 2002 | Issued |
Array
(
[id] => 1391533
[patent_doc_number] => 06516763
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-02-11
[patent_title] => 'Method of controlling a device that varies the valve control times an internal combustion engine, especially of a camshaft adjusting device with hydraulically releaseable start lock'
[patent_app_type] => B1
[patent_app_number] => 10/019549
[patent_app_country] => US
[patent_app_date] => 2002-04-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 6019
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/516/06516763.pdf
[firstpage_image] =>[orig_patent_app_number] => 10019549
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/019549 | Method of controlling a device that varies the valve control times an internal combustion engine, especially of a camshaft adjusting device with hydraulically releaseable start lock | Apr 15, 2002 | Issued |
Array
(
[id] => 973439
[patent_doc_number] => 06932036
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-08-23
[patent_title] => 'Electromagnetic brake cooling structure of phase variable device in car engine'
[patent_app_type] => utility
[patent_app_number] => 10/478108
[patent_app_country] => US
[patent_app_date] => 2002-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 12
[patent_no_of_words] => 6895
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/932/06932036.pdf
[firstpage_image] =>[orig_patent_app_number] => 10478108
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/478108 | Electromagnetic brake cooling structure of phase variable device in car engine | Apr 11, 2002 | Issued |
Array
(
[id] => 1298001
[patent_doc_number] => 06615782
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-09-09
[patent_title] => 'Two-step finger follower rocker arm'
[patent_app_type] => B1
[patent_app_number] => 10/121720
[patent_app_country] => US
[patent_app_date] => 2002-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 2549
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/615/06615782.pdf
[firstpage_image] =>[orig_patent_app_number] => 10121720
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/121720 | Two-step finger follower rocker arm | Apr 11, 2002 | Issued |
Array
(
[id] => 1324309
[patent_doc_number] => 06591802
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-07-15
[patent_title] => 'Variable valve actuating mechanism having a rotary hydraulic lash adjuster'
[patent_app_type] => B1
[patent_app_number] => 10/120097
[patent_app_country] => US
[patent_app_date] => 2002-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 4188
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/591/06591802.pdf
[firstpage_image] =>[orig_patent_app_number] => 10120097
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/120097 | Variable valve actuating mechanism having a rotary hydraulic lash adjuster | Apr 9, 2002 | Issued |
Array
(
[id] => 6694317
[patent_doc_number] => 20030106511
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-06-12
[patent_title] => 'Method of controlling an electromagnetic valve actuator'
[patent_app_type] => new
[patent_app_number] => 10/109350
[patent_app_country] => US
[patent_app_date] => 2002-03-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2577
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0106/20030106511.pdf
[firstpage_image] =>[orig_patent_app_number] => 10109350
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/109350 | Method of controlling an electromagnetic valve actuator | Mar 27, 2002 | Issued |
Array
(
[id] => 5899470
[patent_doc_number] => 20020139331
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-10-03
[patent_title] => 'Variable valve-timing engine'
[patent_app_type] => new
[patent_app_number] => 10/106450
[patent_app_country] => US
[patent_app_date] => 2002-03-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[pdf_file] => publications/A1/0139/20020139331.pdf
[firstpage_image] =>[orig_patent_app_number] => 10106450
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/106450 | Variable valve-timing engine | Mar 26, 2002 | Issued |
Array
(
[id] => 1256259
[patent_doc_number] => 06662769
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-12-16
[patent_title] => 'Valve timing control device'
[patent_app_type] => B2
[patent_app_number] => 10/102938
[patent_app_country] => US
[patent_app_date] => 2002-03-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 20
[patent_no_of_words] => 5558
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[pdf_file] => patents/06/662/06662769.pdf
[firstpage_image] =>[orig_patent_app_number] => 10102938
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/102938 | Valve timing control device | Mar 21, 2002 | Issued |
Array
(
[id] => 1234823
[patent_doc_number] => 06684830
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-02-03
[patent_title] => 'Variable valve timing engine'
[patent_app_type] => B2
[patent_app_number] => 10/101700
[patent_app_country] => US
[patent_app_date] => 2002-03-21
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/684/06684830.pdf
[firstpage_image] =>[orig_patent_app_number] => 10101700
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/101700 | Variable valve timing engine | Mar 20, 2002 | Issued |
Array
(
[id] => 1314326
[patent_doc_number] => 06601555
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-08-05
[patent_title] => 'Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof'
[patent_app_type] => B2
[patent_app_number] => 10/101868
[patent_app_country] => US
[patent_app_date] => 2002-03-21
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/601/06601555.pdf
[firstpage_image] =>[orig_patent_app_number] => 10101868
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/101868 | Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof | Mar 20, 2002 | Issued |
Array
(
[id] => 1294803
[patent_doc_number] => 06619250
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-09-16
[patent_title] => 'Desmodromic valve actuation system'
[patent_app_type] => B2
[patent_app_number] => 10/099117
[patent_app_country] => US
[patent_app_date] => 2002-03-15
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/619/06619250.pdf
[firstpage_image] =>[orig_patent_app_number] => 10099117
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/099117 | Desmodromic valve actuation system | Mar 14, 2002 | Issued |
Array
(
[id] => 6298308
[patent_doc_number] => 20020092489
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-07-18
[patent_title] => 'Valve timing control apparatus for internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/095571
[patent_app_country] => US
[patent_app_date] => 2002-03-13
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0092/20020092489.pdf
[firstpage_image] =>[orig_patent_app_number] => 10095571
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/095571 | Valve timing control apparatus for internal combustion engine | Mar 12, 2002 | Issued |
Array
(
[id] => 1243342
[patent_doc_number] => 06675752
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-01-13
[patent_title] => 'Internal combustion engine with hydraulic camshaft adjuster for adjusting the camshaft'
[patent_app_type] => B1
[patent_app_number] => 10/088453
[patent_app_country] => US
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[pdf_file] => patents/06/675/06675752.pdf
[firstpage_image] =>[orig_patent_app_number] => 10088453
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/088453 | Internal combustion engine with hydraulic camshaft adjuster for adjusting the camshaft | Mar 12, 2002 | Issued |
Array
(
[id] => 1375972
[patent_doc_number] => 06532925
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-03-18
[patent_title] => 'Stamped valve spring and retainer'
[patent_app_type] => B1
[patent_app_number] => 10/095247
[patent_app_country] => US
[patent_app_date] => 2002-03-11
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/532/06532925.pdf
[firstpage_image] =>[orig_patent_app_number] => 10095247
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/095247 | Stamped valve spring and retainer | Mar 10, 2002 | Issued |
Array
(
[id] => 970281
[patent_doc_number] => 06935292
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-08-30
[patent_title] => 'Camshaft with curvature'
[patent_app_type] => utility
[patent_app_number] => 10/093592
[patent_app_country] => US
[patent_app_date] => 2002-03-08
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[pdf_file] => patents/06/935/06935292.pdf
[firstpage_image] =>[orig_patent_app_number] => 10093592
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/093592 | Camshaft with curvature | Mar 7, 2002 | Issued |
Array
(
[id] => 6708282
[patent_doc_number] => 20030168031
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-11
[patent_title] => 'Fluid system for an internal combustion engine'
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[patent_app_number] => 10/092815
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[pdf_file] => publications/A1/0168/20030168031.pdf
[firstpage_image] =>[orig_patent_app_number] => 10092815
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/092815 | Fluid system for an internal combustion engine | Mar 6, 2002 | Abandoned |
Array
(
[id] => 1324265
[patent_doc_number] => 06591796
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-07-15
[patent_title] => 'Combination PCV baffle and retainer for solenoid valves in a hydraulic manifold assembly for variable activation and deactivation of engine valves'
[patent_app_type] => B1
[patent_app_number] => 10/080235
[patent_app_country] => US
[patent_app_date] => 2002-02-21
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/591/06591796.pdf
[firstpage_image] =>[orig_patent_app_number] => 10080235
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/080235 | Combination PCV baffle and retainer for solenoid valves in a hydraulic manifold assembly for variable activation and deactivation of engine valves | Feb 20, 2002 | Issued |
Array
(
[id] => 6514808
[patent_doc_number] => 20020108593
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-08-15
[patent_title] => 'Camshaft rotational phase detecting apparatus and cylinder intake air quantity calculating apparatus for engine'
[patent_app_type] => new
[patent_app_number] => 10/062566
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[patent_app_date] => 2002-02-05
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0108/20020108593.pdf
[firstpage_image] =>[orig_patent_app_number] => 10062566
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/062566 | Camshaft rotational phase detecting apparatus and cylinder intake air quantity calculating apparatus for engine | Feb 4, 2002 | Issued |