
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] => 7354915
[patent_doc_number] => 20040003788
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-08
[patent_title] => 'Control method for electro-hydraulic control valves over temperature range'
[patent_app_type] => new
[patent_app_number] => 10/408999
[patent_app_country] => US
[patent_app_date] => 2003-04-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 8003
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0003/20040003788.pdf
[firstpage_image] =>[orig_patent_app_number] => 10408999
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/408999 | Control method for electro-hydraulic control valves over temperature range | Apr 3, 2003 | Issued |
Array
(
[id] => 930245
[patent_doc_number] => 06978747
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-12-27
[patent_title] => 'Hydraulic actuator cartridge for a valve'
[patent_app_type] => utility
[patent_app_number] => 10/404482
[patent_app_country] => US
[patent_app_date] => 2003-04-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 3311
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[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/978/06978747.pdf
[firstpage_image] =>[orig_patent_app_number] => 10404482
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/404482 | Hydraulic actuator cartridge for a valve | Mar 31, 2003 | Issued |
Array
(
[id] => 6806689
[patent_doc_number] => 20030196628
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-23
[patent_title] => 'VCT MECHANISM HAVING A LOCK PIN ADAPTED TO RELEASE AT A PRESSURE HIGHER THAN THE PRESSURE REQUIRED TO HOLD THE LOCK PIN IN THE RELEASED POSITION'
[patent_app_type] => new
[patent_app_number] => 10/403859
[patent_app_country] => US
[patent_app_date] => 2003-03-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1953
[patent_no_of_claims] => 6
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[patent_words_short_claim] => 405
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0196/20030196628.pdf
[firstpage_image] =>[orig_patent_app_number] => 10403859
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/403859 | VCT mechanism having a lock pin adapted to release at a pressure higher than the pressure required to hold the lock pin in the released position | Mar 30, 2003 | Issued |
Array
(
[id] => 6806688
[patent_doc_number] => 20030196627
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-23
[patent_title] => 'Reed valve VCT phaser with worm trails'
[patent_app_type] => new
[patent_app_number] => 10/391328
[patent_app_country] => US
[patent_app_date] => 2003-03-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 1770
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 205
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0196/20030196627.pdf
[firstpage_image] =>[orig_patent_app_number] => 10391328
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/391328 | Reed valve VCT phaser with worm trails | Mar 17, 2003 | Issued |
Array
(
[id] => 1230860
[patent_doc_number] => 06688266
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-02-10
[patent_title] => 'Pressurized sealing groove for deactivating roller-follower'
[patent_app_type] => B1
[patent_app_number] => 10/390482
[patent_app_country] => US
[patent_app_date] => 2003-03-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4082
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 277
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/688/06688266.pdf
[firstpage_image] =>[orig_patent_app_number] => 10390482
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/390482 | Pressurized sealing groove for deactivating roller-follower | Mar 16, 2003 | Issued |
Array
(
[id] => 6794015
[patent_doc_number] => 20030172888
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-18
[patent_title] => 'Variable valve timing control apparatus and method for an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/384632
[patent_app_country] => US
[patent_app_date] => 2003-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 6306
[patent_no_of_claims] => 29
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0172/20030172888.pdf
[firstpage_image] =>[orig_patent_app_number] => 10384632
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/384632 | Variable valve timing control apparatus and method for an internal combustion engine | Mar 10, 2003 | Issued |
Array
(
[id] => 7389763
[patent_doc_number] => 20040173173
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-09-09
[patent_title] => 'Method and apparatus to control a variable valve control device'
[patent_app_type] => new
[patent_app_number] => 10/379947
[patent_app_country] => US
[patent_app_date] => 2003-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4019
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0173/20040173173.pdf
[firstpage_image] =>[orig_patent_app_number] => 10379947
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/379947 | Method and apparatus to control a variable valve control device | Mar 4, 2003 | Issued |
Array
(
[id] => 7085770
[patent_doc_number] => 20050005881
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-01-13
[patent_title] => 'Device for the control of gas exchange valves'
[patent_app_type] => utility
[patent_app_number] => 10/488446
[patent_app_country] => US
[patent_app_date] => 2003-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3997
[patent_no_of_claims] => 16
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0005/20050005881.pdf
[firstpage_image] =>[orig_patent_app_number] => 10488446
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/488446 | Device for the control of gas exchange valves | Mar 4, 2003 | Issued |
Array
(
[id] => 7029332
[patent_doc_number] => 20050028763
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-02-10
[patent_title] => 'Hydraulic valve actuator for acturing a gas-exchange valve'
[patent_app_type] => utility
[patent_app_number] => 10/493858
[patent_app_country] => US
[patent_app_date] => 2003-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 5504
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0028/20050028763.pdf
[firstpage_image] =>[orig_patent_app_number] => 10493858
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/493858 | Hydraulic valve actuator for actuating a gas-exchange valve | Mar 4, 2003 | Issued |
Array
(
[id] => 6806686
[patent_doc_number] => 20030196625
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-23
[patent_title] => 'Air venting mechanism for variable camshaft timing devices'
[patent_app_type] => new
[patent_app_number] => 10/376899
[patent_app_country] => US
[patent_app_date] => 2003-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 6898
[patent_no_of_claims] => 6
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0196/20030196625.pdf
[firstpage_image] =>[orig_patent_app_number] => 10376899
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/376899 | Air venting mechanism for variable camshaft timing devices | Feb 27, 2003 | Issued |
Array
(
[id] => 6708280
[patent_doc_number] => 20030168029
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-11
[patent_title] => 'Electromagnetically driven valve control apparatus and method'
[patent_app_type] => new
[patent_app_number] => 10/373812
[patent_app_country] => US
[patent_app_date] => 2003-02-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 14065
[patent_no_of_claims] => 34
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0168/20030168029.pdf
[firstpage_image] =>[orig_patent_app_number] => 10373812
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/373812 | Electromagnetically driven valve control apparatus and method | Feb 26, 2003 | Issued |
Array
(
[id] => 7217005
[patent_doc_number] => 20050076869
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-04-14
[patent_title] => 'Engine valve moving device'
[patent_app_type] => utility
[patent_app_number] => 10/502898
[patent_app_country] => US
[patent_app_date] => 2003-02-14
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0076/20050076869.pdf
[firstpage_image] =>[orig_patent_app_number] => 10502898
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/502898 | Engine valve train device | Feb 13, 2003 | Issued |
Array
(
[id] => 6826931
[patent_doc_number] => 20030177989
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-09-25
[patent_title] => 'Electromagnetic valve actuator for an internal combustion engine \n'
[patent_app_type] => new
[patent_app_number] => 10/366252
[patent_app_country] => US
[patent_app_date] => 2003-02-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => publications/A1/0177/20030177989.pdf
[firstpage_image] =>[orig_patent_app_number] => 10366252
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/366252 | Electromagnetic valve actuator for an internal combustion engine n | Feb 12, 2003 | Abandoned |
Array
(
[id] => 1261641
[patent_doc_number] => 06655331
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-12-02
[patent_title] => 'Piston-type internal-combustion engine having activatable, mechanically actuated cylinder valves'
[patent_app_type] => B2
[patent_app_number] => 10/361012
[patent_app_country] => US
[patent_app_date] => 2003-02-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/655/06655331.pdf
[firstpage_image] =>[orig_patent_app_number] => 10361012
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/361012 | Piston-type internal-combustion engine having activatable, mechanically actuated cylinder valves | Feb 9, 2003 | Issued |
Array
(
[id] => 358478
[patent_doc_number] => 07484486
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-02-03
[patent_title] => 'Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters'
[patent_app_type] => utility
[patent_app_number] => 10/494416
[patent_app_country] => US
[patent_app_date] => 2003-02-08
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/484/07484486.pdf
[firstpage_image] =>[orig_patent_app_number] => 10494416
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/494416 | Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters | Feb 7, 2003 | Issued |
Array
(
[id] => 7345821
[patent_doc_number] => 20040011314
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-22
[patent_title] => 'Camshaft lubrication system'
[patent_app_type] => new
[patent_app_number] => 10/343562
[patent_app_country] => US
[patent_app_date] => 2003-01-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[pdf_file] => publications/A1/0011/20040011314.pdf
[firstpage_image] =>[orig_patent_app_number] => 10343562
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/343562 | Camshaft lubrication system | Jan 30, 2003 | Abandoned |
Array
(
[id] => 6819553
[patent_doc_number] => 20030217713
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-11-27
[patent_title] => 'Variable valve opening for an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/354912
[patent_app_country] => US
[patent_app_date] => 2003-01-30
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[pdf_file] => publications/A1/0217/20030217713.pdf
[firstpage_image] =>[orig_patent_app_number] => 10354912
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/354912 | Variable valve opening for an internal combustion engine | Jan 29, 2003 | Abandoned |
Array
(
[id] => 6848674
[patent_doc_number] => 20030140876
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-07-31
[patent_title] => 'Engine valve actuation system and method using reduced pressure common rail and dedicated engine valve'
[patent_app_type] => new
[patent_app_number] => 10/353717
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[pdf_file] => publications/A1/0140/20030140876.pdf
[firstpage_image] =>[orig_patent_app_number] => 10353717
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/353717 | Engine valve actuation system and method using reduced pressure common rail and dedicated engine valve | Jan 29, 2003 | Abandoned |
Array
(
[id] => 1291585
[patent_doc_number] => 06622677
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-09-23
[patent_title] => 'Worm gear driven variable cam phaser'
[patent_app_type] => B2
[patent_app_number] => 10/352689
[patent_app_country] => US
[patent_app_date] => 2003-01-28
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/622/06622677.pdf
[firstpage_image] =>[orig_patent_app_number] => 10352689
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/352689 | Worm gear driven variable cam phaser | Jan 27, 2003 | Issued |
Array
(
[id] => 6694320
[patent_doc_number] => 20030106514
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-06-12
[patent_title] => 'Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof'
[patent_app_type] => new
[patent_app_number] => 10/342235
[patent_app_country] => US
[patent_app_date] => 2003-01-15
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0106/20030106514.pdf
[firstpage_image] =>[orig_patent_app_number] => 10342235
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/342235 | Sheet metal rocker arm, manufacturing method thereof, cam follower with said rocker arm, and assembling method thereof | Jan 14, 2003 | Issued |