
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] => 7107319
[patent_doc_number] => 20050205033
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-09-22
[patent_title] => 'Cover for tightly sealing a device'
[patent_app_type] => utility
[patent_app_number] => 11/068886
[patent_app_country] => US
[patent_app_date] => 2005-03-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1374
[patent_no_of_claims] => 15
[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/A1/0205/20050205033.pdf
[firstpage_image] =>[orig_patent_app_number] => 11068886
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/068886 | Cover for tightly sealing a device | Mar 1, 2005 | Issued |
Array
(
[id] => 891938
[patent_doc_number] => 07341032
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2008-03-11
[patent_title] => 'Dynamic camshaft apparatus'
[patent_app_type] => utility
[patent_app_number] => 11/069598
[patent_app_country] => US
[patent_app_date] => 2005-03-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2623
[patent_no_of_claims] => 6
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/341/07341032.pdf
[firstpage_image] =>[orig_patent_app_number] => 11069598
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/069598 | Dynamic camshaft apparatus | Feb 28, 2005 | Issued |
Array
(
[id] => 825922
[patent_doc_number] => 07401579
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-07-22
[patent_title] => 'Valve timing control device'
[patent_app_type] => utility
[patent_app_number] => 10/589358
[patent_app_country] => US
[patent_app_date] => 2005-02-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 24
[patent_no_of_words] => 10095
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/401/07401579.pdf
[firstpage_image] =>[orig_patent_app_number] => 10589358
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/589358 | Valve timing control device | Feb 27, 2005 | Issued |
Array
(
[id] => 372350
[patent_doc_number] => 07472669
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-06
[patent_title] => 'Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith'
[patent_app_type] => utility
[patent_app_number] => 10/591236
[patent_app_country] => US
[patent_app_date] => 2005-02-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 6655
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 239
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/472/07472669.pdf
[firstpage_image] =>[orig_patent_app_number] => 10591236
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/591236 | Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith | Feb 24, 2005 | Issued |
Array
(
[id] => 5616101
[patent_doc_number] => 20060185633
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-08-24
[patent_title] => 'Electromechanical valve actuator'
[patent_app_type] => utility
[patent_app_number] => 11/064986
[patent_app_country] => US
[patent_app_date] => 2005-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 3159
[patent_no_of_claims] => 18
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0185/20060185633.pdf
[firstpage_image] =>[orig_patent_app_number] => 11064986
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/064986 | Electromechanical valve actuator | Feb 22, 2005 | Issued |
Array
(
[id] => 5616102
[patent_doc_number] => 20060185634
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-08-24
[patent_title] => 'Electromagnet assembly for electromechanical valve actuators'
[patent_app_type] => utility
[patent_app_number] => 11/065408
[patent_app_country] => US
[patent_app_date] => 2005-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 2161
[patent_no_of_claims] => 15
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[pdf_file] => publications/A1/0185/20060185634.pdf
[firstpage_image] =>[orig_patent_app_number] => 11065408
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/065408 | Electromagnet assembly for electromechanical valve actuators | Feb 22, 2005 | Issued |
Array
(
[id] => 650022
[patent_doc_number] => 07111597
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-26
[patent_title] => 'Valve deactivator latching assembly'
[patent_app_type] => utility
[patent_app_number] => 11/061137
[patent_app_country] => US
[patent_app_date] => 2005-02-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 4832
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 274
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/111/07111597.pdf
[firstpage_image] =>[orig_patent_app_number] => 11061137
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/061137 | Valve deactivator latching assembly | Feb 17, 2005 | Issued |
Array
(
[id] => 663842
[patent_doc_number] => 07096837
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-08-29
[patent_title] => 'Valve train of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/061328
[patent_app_country] => US
[patent_app_date] => 2005-02-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1737
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 242
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/096/07096837.pdf
[firstpage_image] =>[orig_patent_app_number] => 11061328
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/061328 | Valve train of an internal combustion engine | Feb 17, 2005 | Issued |
Array
(
[id] => 4435005
[patent_doc_number] => 07926454
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-04-19
[patent_title] => 'Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith'
[patent_app_type] => utility
[patent_app_number] => 10/589507
[patent_app_country] => US
[patent_app_date] => 2005-02-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 7051
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/926/07926454.pdf
[firstpage_image] =>[orig_patent_app_number] => 10589507
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/589507 | Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith | Feb 16, 2005 | Issued |
Array
(
[id] => 7182221
[patent_doc_number] => 20050191171
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-09-01
[patent_title] => 'Sealing element and pivoting motor'
[patent_app_type] => utility
[patent_app_number] => 11/062308
[patent_app_country] => US
[patent_app_date] => 2005-02-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2392
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0191/20050191171.pdf
[firstpage_image] =>[orig_patent_app_number] => 11062308
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/062308 | Sealing element and pivoting motor | Feb 14, 2005 | Issued |
Array
(
[id] => 7131545
[patent_doc_number] => 20050178350
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-08-18
[patent_title] => 'Valve operating mechanism of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/055096
[patent_app_country] => US
[patent_app_date] => 2005-02-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 21
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[patent_no_of_words] => 10725
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0178/20050178350.pdf
[firstpage_image] =>[orig_patent_app_number] => 11055096
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/055096 | Valve operating mechanism of internal combustion engine | Feb 10, 2005 | Issued |
Array
(
[id] => 396133
[patent_doc_number] => 07293539
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-11-13
[patent_title] => 'Rocker arm assembly'
[patent_app_type] => utility
[patent_app_number] => 11/056336
[patent_app_country] => US
[patent_app_date] => 2005-02-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/293/07293539.pdf
[firstpage_image] =>[orig_patent_app_number] => 11056336
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/056336 | Rocker arm assembly | Feb 10, 2005 | Issued |
Array
(
[id] => 368803
[patent_doc_number] => 07475659
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-13
[patent_title] => 'Device combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/721639
[patent_app_country] => US
[patent_app_date] => 2005-02-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/475/07475659.pdf
[firstpage_image] =>[orig_patent_app_number] => 11721639
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/721639 | Device combustion engine | Feb 10, 2005 | Issued |
Array
(
[id] => 382008
[patent_doc_number] => 07305953
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-12-11
[patent_title] => 'Built multiple cam'
[patent_app_type] => utility
[patent_app_number] => 10/580376
[patent_app_country] => US
[patent_app_date] => 2005-02-10
[patent_effective_date] => 0000-00-00
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/305/07305953.pdf
[firstpage_image] =>[orig_patent_app_number] => 10580376
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/580376 | Built multiple cam | Feb 9, 2005 | Issued |
Array
(
[id] => 7131546
[patent_doc_number] => 20050178351
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-08-18
[patent_title] => 'Hydraulic support element'
[patent_app_type] => utility
[patent_app_number] => 11/055268
[patent_app_country] => US
[patent_app_date] => 2005-02-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => publications/A1/0178/20050178351.pdf
[firstpage_image] =>[orig_patent_app_number] => 11055268
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/055268 | Hydraulic support element | Feb 9, 2005 | Issued |
| 11/054689 | Continuously variable valve timing device | Feb 7, 2005 | Abandoned |
Array
(
[id] => 6909162
[patent_doc_number] => 20050172920
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-08-11
[patent_title] => 'Control apparatus for variable valve apparatus and method thereof'
[patent_app_type] => utility
[patent_app_number] => 11/049868
[patent_app_country] => US
[patent_app_date] => 2005-02-04
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0172/20050172920.pdf
[firstpage_image] =>[orig_patent_app_number] => 11049868
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/049868 | Control apparatus for variable valve apparatus and method thereof | Feb 3, 2005 | Issued |
Array
(
[id] => 621672
[patent_doc_number] => 07137372
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-11-21
[patent_title] => 'Cylinder head cover'
[patent_app_type] => utility
[patent_app_number] => 11/045076
[patent_app_country] => US
[patent_app_date] => 2005-01-31
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/137/07137372.pdf
[firstpage_image] =>[orig_patent_app_number] => 11045076
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/045076 | Cylinder head cover | Jan 30, 2005 | Issued |
Array
(
[id] => 7093381
[patent_doc_number] => 20050126528
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-06-16
[patent_title] => 'Variable valve opening for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/045716
[patent_app_country] => US
[patent_app_date] => 2005-01-28
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[pdf_file] => publications/A1/0126/20050126528.pdf
[firstpage_image] =>[orig_patent_app_number] => 11045716
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/045716 | Variable valve opening for an internal combustion engine | Jan 27, 2005 | Issued |
Array
(
[id] => 650021
[patent_doc_number] => 07111596
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-26
[patent_title] => 'Electromechanical operator for a valve of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/046279
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[pdf_file] => patents/07/111/07111596.pdf
[firstpage_image] =>[orig_patent_app_number] => 11046279
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/046279 | Electromechanical operator for a valve of an internal combustion engine | Jan 26, 2005 | Issued |