
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] => 805001
[patent_doc_number] => 07418935
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-09-02
[patent_title] => 'Stroke adjusting device for valves of a combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/518739
[patent_app_country] => US
[patent_app_date] => 2003-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 9
[patent_no_of_words] => 4384
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 121
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/418/07418935.pdf
[firstpage_image] =>[orig_patent_app_number] => 10518739
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/518739 | Stroke adjusting device for valves of a combustion engine | Jun 19, 2003 | Issued |
Array
(
[id] => 361866
[patent_doc_number] => 07481192
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-27
[patent_title] => 'Valve gear and method for opening and closing a passage'
[patent_app_type] => utility
[patent_app_number] => 10/553247
[patent_app_country] => US
[patent_app_date] => 2003-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3269
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/481/07481192.pdf
[firstpage_image] =>[orig_patent_app_number] => 10553247
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/553247 | Valve gear and method for opening and closing a passage | Jun 19, 2003 | Issued |
Array
(
[id] => 695886
[patent_doc_number] => 07066124
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-06-27
[patent_title] => 'Engine for scooter'
[patent_app_type] => utility
[patent_app_number] => 10/510318
[patent_app_country] => US
[patent_app_date] => 2003-06-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3049
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 96
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/066/07066124.pdf
[firstpage_image] =>[orig_patent_app_number] => 10510318
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/510318 | Engine for scooter | Jun 15, 2003 | Issued |
Array
(
[id] => 1132543
[patent_doc_number] => 06779501
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-08-24
[patent_title] => 'Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valve'
[patent_app_type] => B2
[patent_app_number] => 10/461539
[patent_app_country] => US
[patent_app_date] => 2003-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3012
[patent_no_of_claims] => 31
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 139
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/779/06779501.pdf
[firstpage_image] =>[orig_patent_app_number] => 10461539
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/461539 | Method to reduce rotational oscillation of a vane style phaser with a center mounted spool valve | Jun 11, 2003 | Issued |
Array
(
[id] => 7381988
[patent_doc_number] => 20040020453
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-05
[patent_title] => 'Damped valve controller'
[patent_app_type] => new
[patent_app_number] => 10/452752
[patent_app_country] => US
[patent_app_date] => 2003-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 5463
[patent_no_of_claims] => 70
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 82
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0020/20040020453.pdf
[firstpage_image] =>[orig_patent_app_number] => 10452752
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/452752 | Damped valve controller | Jun 1, 2003 | Abandoned |
Array
(
[id] => 1146600
[patent_doc_number] => 06763793
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-07-20
[patent_title] => 'Valve system for internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/443988
[patent_app_country] => US
[patent_app_date] => 2003-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 17
[patent_no_of_words] => 7511
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 227
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/763/06763793.pdf
[firstpage_image] =>[orig_patent_app_number] => 10443988
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/443988 | Valve system for internal combustion engine | May 22, 2003 | Issued |
Array
(
[id] => 7272172
[patent_doc_number] => 20040231623
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-11-25
[patent_title] => 'DIESEL ENGINE WITH INTAKE CAM PHASER FOR COMPRESSION RATIO CONTROL'
[patent_app_type] => new
[patent_app_number] => 10/444929
[patent_app_country] => US
[patent_app_date] => 2003-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1767
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 2
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0231/20040231623.pdf
[firstpage_image] =>[orig_patent_app_number] => 10444929
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/444929 | Diesel engine with intake cam phaser for compression ratio control | May 22, 2003 | Issued |
Array
(
[id] => 7071783
[patent_doc_number] => 20050145049
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-07-07
[patent_title] => 'Gearbox comprising two rotatable disks which are arranged inside each other and are connected by means of a swash plate'
[patent_app_type] => utility
[patent_app_number] => 10/509438
[patent_app_country] => US
[patent_app_date] => 2003-05-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1774
[patent_no_of_claims] => 11
[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/A1/0145/20050145049.pdf
[firstpage_image] =>[orig_patent_app_number] => 10509438
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/509438 | Gearbox comprising two rotatable disks which are arranged inside each other and are connected by means of a swash plate | May 19, 2003 | Issued |
Array
(
[id] => 7364266
[patent_doc_number] => 20040025822
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-12
[patent_title] => 'Method to ensure robust operation of a pin lock in a vane style cam phaser'
[patent_app_type] => new
[patent_app_number] => 10/440732
[patent_app_country] => US
[patent_app_date] => 2003-05-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3151
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 221
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0025/20040025822.pdf
[firstpage_image] =>[orig_patent_app_number] => 10440732
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/440732 | Method to ensure robust operation of a pin lock in a vane style cam phaser | May 18, 2003 | Issued |
Array
(
[id] => 7402884
[patent_doc_number] => 20040226526
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-11-18
[patent_title] => 'Camshaft adjuster for internal combustion engines of motor vehicles'
[patent_app_type] => new
[patent_app_number] => 10/436122
[patent_app_country] => US
[patent_app_date] => 2003-05-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3368
[patent_no_of_claims] => 34
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 4
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0226/20040226526.pdf
[firstpage_image] =>[orig_patent_app_number] => 10436122
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/436122 | Camshaft adjuster for internal combustion engines of motor vehicles | May 11, 2003 | Issued |
Array
(
[id] => 449980
[patent_doc_number] => 07246588
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-07-24
[patent_title] => 'Assembled camshaft for engine and production method thereof'
[patent_app_type] => utility
[patent_app_number] => 10/434338
[patent_app_country] => US
[patent_app_date] => 2003-05-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 18
[patent_no_of_words] => 4497
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 154
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/246/07246588.pdf
[firstpage_image] =>[orig_patent_app_number] => 10434338
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/434338 | Assembled camshaft for engine and production method thereof | May 8, 2003 | Issued |
Array
(
[id] => 1148183
[patent_doc_number] => 06761139
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-07-13
[patent_title] => 'Valve timing control apparatus for an internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/425937
[patent_app_country] => US
[patent_app_date] => 2003-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 5186
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/761/06761139.pdf
[firstpage_image] =>[orig_patent_app_number] => 10425937
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/425937 | Valve timing control apparatus for an internal combustion engine | Apr 29, 2003 | Issued |
Array
(
[id] => 7290451
[patent_doc_number] => 20040211375
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-10-28
[patent_title] => 'Anti-rotation guide for a deactivation hydraulic valve lifter'
[patent_app_type] => new
[patent_app_number] => 10/422308
[patent_app_country] => US
[patent_app_date] => 2003-04-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 5353
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 16
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0211/20040211375.pdf
[firstpage_image] =>[orig_patent_app_number] => 10422308
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/422308 | Anti-rotation guide for a deactivation hydraulic valve lifter | Apr 23, 2003 | Issued |
Array
(
[id] => 6819559
[patent_doc_number] => 20030217719
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-11-27
[patent_title] => 'Retention bolt for a cam phaser'
[patent_app_type] => new
[patent_app_number] => 10/421399
[patent_app_country] => US
[patent_app_date] => 2003-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 2816
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 115
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0217/20030217719.pdf
[firstpage_image] =>[orig_patent_app_number] => 10421399
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/421399 | Retention bolt for a cam phaser | Apr 22, 2003 | Issued |
Array
(
[id] => 276935
[patent_doc_number] => 07556000
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-07-07
[patent_title] => 'Camshaft phaser having designated contact vane'
[patent_app_type] => utility
[patent_app_number] => 10/421424
[patent_app_country] => US
[patent_app_date] => 2003-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[patent_no_of_words] => 3055
[patent_no_of_claims] => 2
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/556/07556000.pdf
[firstpage_image] =>[orig_patent_app_number] => 10421424
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/421424 | Camshaft phaser having designated contact vane | Apr 22, 2003 | Issued |
Array
(
[id] => 6819558
[patent_doc_number] => 20030217718
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-11-27
[patent_title] => 'Camshaft phaser having an external bias spring'
[patent_app_type] => new
[patent_app_number] => 10/421397
[patent_app_country] => US
[patent_app_date] => 2003-04-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 3700
[patent_no_of_claims] => 10
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0217/20030217718.pdf
[firstpage_image] =>[orig_patent_app_number] => 10421397
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/421397 | Camshaft phaser having an external bias spring | Apr 22, 2003 | Issued |
Array
(
[id] => 6676392
[patent_doc_number] => 20030226532
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-12-11
[patent_title] => 'Valve timing adjusting device'
[patent_app_type] => new
[patent_app_number] => 10/419272
[patent_app_country] => US
[patent_app_date] => 2003-04-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 21
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[patent_no_of_words] => 15651
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0226/20030226532.pdf
[firstpage_image] =>[orig_patent_app_number] => 10419272
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/419272 | Valve timing adjusting device | Apr 20, 2003 | Issued |
Array
(
[id] => 1190030
[patent_doc_number] => 06729285
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-05-04
[patent_title] => 'Lever-type cam follower made of sheet metal'
[patent_app_type] => B2
[patent_app_number] => 10/419668
[patent_app_country] => US
[patent_app_date] => 2003-04-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/729/06729285.pdf
[firstpage_image] =>[orig_patent_app_number] => 10419668
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/419668 | Lever-type cam follower made of sheet metal | Apr 20, 2003 | Issued |
Array
(
[id] => 6806676
[patent_doc_number] => 20030196615
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-23
[patent_title] => 'Electromagnetic valve control apparatus and control method thereof'
[patent_app_type] => new
[patent_app_number] => 10/412208
[patent_app_country] => US
[patent_app_date] => 2003-04-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
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[patent_no_of_words] => 9998
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0196/20030196615.pdf
[firstpage_image] =>[orig_patent_app_number] => 10412208
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/412208 | Electromagnetic valve control apparatus and control method thereof | Apr 13, 2003 | Abandoned |
Array
(
[id] => 7266910
[patent_doc_number] => 20040055549
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-03-25
[patent_title] => 'Variable valve timing system for an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/409997
[patent_app_country] => US
[patent_app_date] => 2003-04-09
[patent_effective_date] => 0000-00-00
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0055/20040055549.pdf
[firstpage_image] =>[orig_patent_app_number] => 10409997
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/409997 | Variable valve timing system for an internal combustion engine | Apr 8, 2003 | Abandoned |