
Ching Chang
Examiner (ID: 13656, 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] => 5406493
[patent_doc_number] => 20090120391
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-05-14
[patent_title] => 'Device For Varying The Control Times Of An Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/794187
[patent_app_country] => US
[patent_app_date] => 2005-11-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4514
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0120/20090120391.pdf
[firstpage_image] =>[orig_patent_app_number] => 11794187
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/794187 | Device for varying the control times of an internal combustion engine | Nov 10, 2005 | Issued |
Array
(
[id] => 4537976
[patent_doc_number] => 07819097
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-10-26
[patent_title] => 'Poppet cylinder valve operating system for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/163956
[patent_app_country] => US
[patent_app_date] => 2005-11-04
[patent_effective_date] => 0000-00-00
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[patent_no_of_words] => 1797
[patent_no_of_claims] => 10
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/819/07819097.pdf
[firstpage_image] =>[orig_patent_app_number] => 11163956
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/163956 | Poppet cylinder valve operating system for internal combustion engine | Nov 3, 2005 | Issued |
Array
(
[id] => 660181
[patent_doc_number] => 07100555
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-09-05
[patent_title] => 'Valve timing controller'
[patent_app_type] => utility
[patent_app_number] => 11/261587
[patent_app_country] => US
[patent_app_date] => 2005-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => patents/07/100/07100555.pdf
[firstpage_image] =>[orig_patent_app_number] => 11261587
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/261587 | Valve timing controller | Oct 30, 2005 | Issued |
Array
(
[id] => 409719
[patent_doc_number] => 07281504
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-10-16
[patent_title] => 'Valve train device for engine'
[patent_app_type] => utility
[patent_app_number] => 11/263528
[patent_app_country] => US
[patent_app_date] => 2005-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 7626
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/281/07281504.pdf
[firstpage_image] =>[orig_patent_app_number] => 11263528
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/263528 | Valve train device for engine | Oct 30, 2005 | Issued |
Array
(
[id] => 4484840
[patent_doc_number] => 07954466
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-06-07
[patent_title] => 'Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft'
[patent_app_type] => utility
[patent_app_number] => 11/719366
[patent_app_country] => US
[patent_app_date] => 2005-10-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[pdf_file] => patents/07/954/07954466.pdf
[firstpage_image] =>[orig_patent_app_number] => 11719366
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/719366 | Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft | Oct 24, 2005 | Issued |
Array
(
[id] => 392679
[patent_doc_number] => 07296547
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-11-20
[patent_title] => 'Device for adjusting the camshaft of an internal combustion engine and a mounting tool'
[patent_app_type] => utility
[patent_app_number] => 11/256338
[patent_app_country] => US
[patent_app_date] => 2005-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[pdf_file] => patents/07/296/07296547.pdf
[firstpage_image] =>[orig_patent_app_number] => 11256338
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/256338 | Device for adjusting the camshaft of an internal combustion engine and a mounting tool | Oct 20, 2005 | Issued |
Array
(
[id] => 242276
[patent_doc_number] => 07588006
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-09-15
[patent_title] => 'Bearing between two coaxial camshafts for automotive engines in particular'
[patent_app_type] => utility
[patent_app_number] => 11/628170
[patent_app_country] => US
[patent_app_date] => 2005-10-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2292
[patent_no_of_claims] => 15
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/588/07588006.pdf
[firstpage_image] =>[orig_patent_app_number] => 11628170
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/628170 | Bearing between two coaxial camshafts for automotive engines in particular | Oct 20, 2005 | Issued |
Array
(
[id] => 4896136
[patent_doc_number] => 20080115749
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-05-22
[patent_title] => 'Variable Valve Drive of an Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/718678
[patent_app_country] => US
[patent_app_date] => 2005-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 3800
[patent_no_of_claims] => 10
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0115/20080115749.pdf
[firstpage_image] =>[orig_patent_app_number] => 11718678
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/718678 | Variable valve drive of an internal combustion engine | Oct 11, 2005 | Issued |
Array
(
[id] => 214289
[patent_doc_number] => 07617806
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-11-17
[patent_title] => 'Valve drive of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/718667
[patent_app_country] => US
[patent_app_date] => 2005-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => patents/07/617/07617806.pdf
[firstpage_image] =>[orig_patent_app_number] => 11718667
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/718667 | Valve drive of an internal combustion engine | Oct 11, 2005 | Issued |
Array
(
[id] => 5610997
[patent_doc_number] => 20060112920
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-06-01
[patent_title] => 'Camshaft adjuster having a means for securing against modification'
[patent_app_type] => utility
[patent_app_number] => 11/248508
[patent_app_country] => US
[patent_app_date] => 2005-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[pdf_file] => publications/A1/0112/20060112920.pdf
[firstpage_image] =>[orig_patent_app_number] => 11248508
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/248508 | Camshaft adjuster having a means for securing against modification | Oct 11, 2005 | Issued |
Array
(
[id] => 434339
[patent_doc_number] => 07261072
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-08-28
[patent_title] => 'Device for altering the control times of gas exchange valves of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/244729
[patent_app_country] => US
[patent_app_date] => 2005-10-06
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[pdf_file] => patents/07/261/07261072.pdf
[firstpage_image] =>[orig_patent_app_number] => 11244729
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/244729 | Device for altering the control times of gas exchange valves of an internal combustion engine | Oct 5, 2005 | Issued |
Array
(
[id] => 5103600
[patent_doc_number] => 20070062475
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-22
[patent_title] => 'Ina-schaeffler kg, industriestrasse 1 - 3, 91074 herzogenaurach anr 12 88 48 20'
[patent_app_type] => utility
[patent_app_number] => 11/243906
[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 11243906
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/243906 | INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20 | Oct 4, 2005 | Issued |
Array
(
[id] => 344010
[patent_doc_number] => 07497194
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-03-03
[patent_title] => 'Tappet clearance automatic adjusting device and adjusting method'
[patent_app_type] => utility
[patent_app_number] => 11/666807
[patent_app_country] => US
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[firstpage_image] =>[orig_patent_app_number] => 11666807
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/666807 | Tappet clearance automatic adjusting device and adjusting method | Sep 29, 2005 | Issued |
Array
(
[id] => 5207405
[patent_doc_number] => 20070245989
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[patent_kind] => A1
[patent_issue_date] => 2007-10-25
[patent_title] => 'Method for Adjusting the Position of the Angle of Rotation of the Camshaft of a Reciprocating Piston Internal Combustion Engine in Relation to the Crankshaft'
[patent_app_type] => utility
[patent_app_number] => 11/577619
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[pdf_file] => publications/A1/0245/20070245989.pdf
[firstpage_image] =>[orig_patent_app_number] => 11577619
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/577619 | Method for adjusting the position of the angle of rotation of the camshaft of a reciprocating piston internal combustion engine in relation to the crankshaft | Sep 27, 2005 | Issued |
Array
(
[id] => 4654096
[patent_doc_number] => 20080022956
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[patent_issue_date] => 2008-01-31
[patent_title] => 'Automatic Tappet Clearance Adjusting Device'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/664201 | Automatic tappet clearance adjusting device | Sep 27, 2005 | Issued |
Array
(
[id] => 5025526
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[patent_kind] => A1
[patent_issue_date] => 2007-11-22
[patent_title] => 'Automatic Tappet Clearance Adjusting Device and Method'
[patent_app_type] => utility
[patent_app_number] => 11/664197
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Array
(
[id] => 120161
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[patent_issue_date] => 2010-04-27
[patent_title] => 'Lifelong-lubricated camshaft drive for an internal combustion engine'
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[patent_app_number] => 11/577605
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/577605 | Lifelong-lubricated camshaft drive for an internal combustion engine | Sep 26, 2005 | Issued |
Array
(
[id] => 5042999
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[patent_issue_date] => 2007-11-15
[patent_title] => 'Method for Adjusting the Rotational Angle Position of the Camshaft of a Reciprocating Internal Combustion Engine in Relation to the Crankshaft'
[patent_app_type] => utility
[patent_app_number] => 11/576299
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[firstpage_image] =>[orig_patent_app_number] => 11576299
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/576299 | Method for Adjusting the Rotational Angle Position of the Camshaft of a Reciprocating Internal Combustion Engine in Relation to the Crankshaft | Sep 23, 2005 | Abandoned |
Array
(
[id] => 5162335
[patent_doc_number] => 20070283915
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[patent_issue_date] => 2007-12-13
[patent_title] => 'Switchable Cam Follower'
[patent_app_type] => utility
[patent_app_number] => 11/577632
[patent_app_country] => US
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[rel_patent_id] =>[rel_patent_doc_number] =>) 11/577632 | Switchable cam follower | Sep 20, 2005 | Issued |
Array
(
[id] => 5222207
[patent_doc_number] => 20070251473
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-01
[patent_title] => 'Camshaft Adjuster'
[patent_app_type] => utility
[patent_app_number] => 11/576579
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[firstpage_image] =>[orig_patent_app_number] => 11576579
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/576579 | Camshaft Adjuster | Sep 9, 2005 | Abandoned |