
Ching Chang
Examiner (ID: 3427, 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] => 4647838
[patent_doc_number] => 20080035093
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-02-14
[patent_title] => 'Electromagnet-Equipped Control Device For An Internal Combustion Engine Valve'
[patent_app_type] => utility
[patent_app_number] => 11/578317
[patent_app_country] => US
[patent_app_date] => 2005-01-27
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0035/20080035093.pdf
[firstpage_image] =>[orig_patent_app_number] => 11578317
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/578317 | Electromagnet-equipped control device for an internal combustion engine valve | Jan 26, 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
[patent_app_country] => US
[patent_app_date] => 2005-01-27
[patent_effective_date] => 0000-00-00
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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 |
Array
(
[id] => 157164
[patent_doc_number] => 07673598
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-03-09
[patent_title] => 'Electric camshaft adjuster'
[patent_app_type] => utility
[patent_app_number] => 10/598318
[patent_app_country] => US
[patent_app_date] => 2005-01-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/673/07673598.pdf
[firstpage_image] =>[orig_patent_app_number] => 10598318
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/598318 | Electric camshaft adjuster | Jan 24, 2005 | Issued |
Array
(
[id] => 7015070
[patent_doc_number] => 20050217621
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-10-06
[patent_title] => 'Device for varying valve timing in an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/041036
[patent_app_country] => US
[patent_app_date] => 2005-01-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => publications/A1/0217/20050217621.pdf
[firstpage_image] =>[orig_patent_app_number] => 11041036
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/041036 | Device for varying valve timing in an internal combustion engine | Jan 20, 2005 | Issued |
Array
(
[id] => 5185217
[patent_doc_number] => 20070163523
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-07-19
[patent_title] => 'Variable valve actuation mechanism for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/586257
[patent_app_country] => US
[patent_app_date] => 2005-01-19
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[pdf_file] => publications/A1/0163/20070163523.pdf
[firstpage_image] =>[orig_patent_app_number] => 10586257
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/586257 | Variable valve actuation mechanism for an internal combustion engine | Jan 18, 2005 | Abandoned |
Array
(
[id] => 7053164
[patent_doc_number] => 20050274335
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-12-15
[patent_title] => 'Electromagnetic actuator for controlling a valve of an internal combustion engine and internal combustion engine equipped with such an actuator'
[patent_app_type] => utility
[patent_app_number] => 11/037479
[patent_app_country] => US
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[pdf_file] => publications/A1/0274/20050274335.pdf
[firstpage_image] =>[orig_patent_app_number] => 11037479
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/037479 | Electromagnetic actuator for controlling a valve of an internal combustion engine and internal combustion engine equipped with such an actuator | Jan 17, 2005 | Issued |
Array
(
[id] => 835390
[patent_doc_number] => 07392775
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-07-01
[patent_title] => 'Helical cam device and method'
[patent_app_type] => utility
[patent_app_number] => 11/037419
[patent_app_country] => US
[patent_app_date] => 2005-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 4470
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[pdf_file] => patents/07/392/07392775.pdf
[firstpage_image] =>[orig_patent_app_number] => 11037419
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/037419 | Helical cam device and method | Jan 17, 2005 | Issued |
Array
(
[id] => 822086
[patent_doc_number] => 07404383
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-07-29
[patent_title] => 'Valve train with cam switching for the gas exchange valves of a four-cycle internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/598128
[patent_app_country] => US
[patent_app_date] => 2005-01-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/07/404/07404383.pdf
[firstpage_image] =>[orig_patent_app_number] => 10598128
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/598128 | Valve train with cam switching for the gas exchange valves of a four-cycle internal combustion engine | Jan 17, 2005 | Issued |
Array
(
[id] => 6984491
[patent_doc_number] => 20050154522
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-07-14
[patent_title] => 'Failure diagnostic apparatus for variable valve mechanism of internal combustion engine and failure diagnostic method for variable valve mechanism'
[patent_app_type] => utility
[patent_app_number] => 11/035078
[patent_app_country] => US
[patent_app_date] => 2005-01-14
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[pdf_file] => publications/A1/0154/20050154522.pdf
[firstpage_image] =>[orig_patent_app_number] => 11035078
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/035078 | Failure diagnostic apparatus for variable valve mechanism of internal combustion engine and failure diagnostic method for variable valve mechanism | Jan 13, 2005 | Issued |
Array
(
[id] => 276938
[patent_doc_number] => 07556003
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-07-07
[patent_title] => 'Engine valve operating system'
[patent_app_type] => utility
[patent_app_number] => 10/585888
[patent_app_country] => US
[patent_app_date] => 2005-01-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/556/07556003.pdf
[firstpage_image] =>[orig_patent_app_number] => 10585888
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/585888 | Engine valve operating system | Jan 12, 2005 | Issued |
Array
(
[id] => 937351
[patent_doc_number] => 06971355
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[patent_kind] => B2
[patent_issue_date] => 2005-12-06
[patent_title] => 'Variable lift and duration device for poppet valves'
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[patent_app_number] => 11/034649
[patent_app_country] => US
[patent_app_date] => 2005-01-13
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[pdf_file] => patents/06/971/06971355.pdf
[firstpage_image] =>[orig_patent_app_number] => 11034649
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/034649 | Variable lift and duration device for poppet valves | Jan 12, 2005 | Issued |
Array
(
[id] => 6980404
[patent_doc_number] => 20050150472
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[patent_title] => 'Variable valve actuating device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/028608 | Variable valve actuating device | Jan 4, 2005 | Issued |
Array
(
[id] => 5627888
[patent_doc_number] => 20060144356
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[patent_title] => 'Method and apparatus for optimized combustion in an internal combustion engine utilizing homogeneous charge compression ignition and variable valve actuation'
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Array
(
[id] => 409724
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[patent_title] => 'Oil pressure control apparatus for an internal combustion engine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/020248 | Oil pressure control apparatus for an internal combustion engine | Dec 26, 2004 | Issued |
Array
(
[id] => 375971
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/019399 | Variable valve timing control device | Dec 22, 2004 | Issued |
Array
(
[id] => 7100206
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[patent_title] => 'Variable valve timing system for an internal combustion engine'
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Array
(
[id] => 7100209
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[patent_title] => 'VARIABLE VALVE-STROKE CONTROLS'
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Array
(
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[rel_patent_id] =>[rel_patent_doc_number] =>) 10/584499 | Variable valve lift device of internal combustion engine | Dec 20, 2004 | Issued |
Array
(
[id] => 502256
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/017449 | Hydraulic cushioning of a variable valve timing mechanism | Dec 19, 2004 | Issued |
Array
(
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[firstpage_image] =>[orig_patent_app_number] => 11018449
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/018449 | Electrically driven camshaft adjuster | Dec 19, 2004 | Issued |