
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] => 6292074
[patent_doc_number] => 20100064995
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2010-03-18
[patent_title] => 'Engine valve operating system'
[patent_app_type] => utility
[patent_app_number] => 11/921078
[patent_app_country] => US
[patent_app_date] => 2006-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 6156
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0064/20100064995.pdf
[firstpage_image] =>[orig_patent_app_number] => 11921078
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/921078 | Engine valve operating system | Jun 19, 2006 | Issued |
Array
(
[id] => 5030773
[patent_doc_number] => 20070095312
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-03
[patent_title] => 'Variable lost motion valve actuator and method'
[patent_app_type] => utility
[patent_app_number] => 11/450286
[patent_app_country] => US
[patent_app_date] => 2006-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 61
[patent_figures_cnt] => 61
[patent_no_of_words] => 28717
[patent_no_of_claims] => 20
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0095/20070095312.pdf
[firstpage_image] =>[orig_patent_app_number] => 11450286
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/450286 | Variable lost motion valve actuator and method | Jun 11, 2006 | Issued |
Array
(
[id] => 5162353
[patent_doc_number] => 20070283933
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-13
[patent_title] => 'System and Method of Controlling Fuel Delivery During Positive Valve Overlap Operation of an Engine Start'
[patent_app_type] => utility
[patent_app_number] => 11/423682
[patent_app_country] => US
[patent_app_date] => 2006-06-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 5683
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0283/20070283933.pdf
[firstpage_image] =>[orig_patent_app_number] => 11423682
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/423682 | System and method of controlling fuel delivery during positive valve overlap operation of an engine start | Jun 11, 2006 | Issued |
Array
(
[id] => 406843
[patent_doc_number] => 07284515
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-10-23
[patent_title] => 'Variable valve apparatus of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/448679
[patent_app_country] => US
[patent_app_date] => 2006-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 15
[patent_no_of_words] => 7728
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 189
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/284/07284515.pdf
[firstpage_image] =>[orig_patent_app_number] => 11448679
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/448679 | Variable valve apparatus of internal combustion engine | Jun 7, 2006 | Issued |
Array
(
[id] => 527405
[patent_doc_number] => 07168404
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-01-30
[patent_title] => 'Variable valve apparatus of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/448819
[patent_app_country] => US
[patent_app_date] => 2006-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 8033
[patent_no_of_claims] => 6
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[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/168/07168404.pdf
[firstpage_image] =>[orig_patent_app_number] => 11448819
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/448819 | Variable valve apparatus of internal combustion engine | Jun 7, 2006 | Issued |
Array
(
[id] => 8980162
[patent_doc_number] => 08511269
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-08-20
[patent_title] => 'Camshaft system for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/422702
[patent_app_country] => US
[patent_app_date] => 2006-06-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1064
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 72
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11422702
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/422702 | Camshaft system for internal combustion engine | Jun 6, 2006 | Issued |
Array
(
[id] => 5883433
[patent_doc_number] => 20060272608
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-12-07
[patent_title] => 'Compression ignition engine'
[patent_app_type] => utility
[patent_app_number] => 11/447249
[patent_app_country] => US
[patent_app_date] => 2006-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 17
[patent_no_of_words] => 18470
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0272/20060272608.pdf
[firstpage_image] =>[orig_patent_app_number] => 11447249
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/447249 | Compression ignition engine | Jun 5, 2006 | Abandoned |
Array
(
[id] => 1075861
[patent_doc_number] => 07614370
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-11-10
[patent_title] => 'Vane-type cam phaser having bias spring system to assist intermediate position pin locking'
[patent_app_type] => utility
[patent_app_number] => 11/447437
[patent_app_country] => US
[patent_app_date] => 2006-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 2733
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 113
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/614/07614370.pdf
[firstpage_image] =>[orig_patent_app_number] => 11447437
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/447437 | Vane-type cam phaser having bias spring system to assist intermediate position pin locking | Jun 5, 2006 | Issued |
Array
(
[id] => 4456730
[patent_doc_number] => 07878169
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-02-01
[patent_title] => 'Cam roller pin with transverse grooves'
[patent_app_type] => utility
[patent_app_number] => 11/422456
[patent_app_country] => US
[patent_app_date] => 2006-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 4114
[patent_no_of_claims] => 15
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[patent_words_short_claim] => 92
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/878/07878169.pdf
[firstpage_image] =>[orig_patent_app_number] => 11422456
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/422456 | Cam roller pin with transverse grooves | Jun 5, 2006 | Issued |
Array
(
[id] => 927723
[patent_doc_number] => 07314028
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-01-01
[patent_title] => 'Control apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/446296
[patent_app_country] => US
[patent_app_date] => 2006-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 43
[patent_figures_cnt] => 56
[patent_no_of_words] => 29886
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 7
[patent_words_short_claim] => 70
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/314/07314028.pdf
[firstpage_image] =>[orig_patent_app_number] => 11446296
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/446296 | Control apparatus for internal combustion engine | Jun 4, 2006 | Issued |
Array
(
[id] => 266365
[patent_doc_number] => 07565887
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-07-28
[patent_title] => 'Valve actuation device of internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/446138
[patent_app_country] => US
[patent_app_date] => 2006-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
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[patent_no_of_words] => 9313
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/565/07565887.pdf
[firstpage_image] =>[orig_patent_app_number] => 11446138
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/446138 | Valve actuation device of internal combustion engine | Jun 4, 2006 | Issued |
Array
(
[id] => 189594
[patent_doc_number] => 07640902
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-01-05
[patent_title] => 'Rotor for vane-type motor with reduced leakage'
[patent_app_type] => utility
[patent_app_number] => 11/447608
[patent_app_country] => US
[patent_app_date] => 2006-06-05
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/640/07640902.pdf
[firstpage_image] =>[orig_patent_app_number] => 11447608
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/447608 | Rotor for vane-type motor with reduced leakage | Jun 4, 2006 | Issued |
Array
(
[id] => 5007033
[patent_doc_number] => 20070277510
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-06
[patent_title] => 'System to control exhaust gas temperature'
[patent_app_type] => utility
[patent_app_number] => 11/443085
[patent_app_country] => US
[patent_app_date] => 2006-05-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 4694
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0277/20070277510.pdf
[firstpage_image] =>[orig_patent_app_number] => 11443085
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/443085 | System to control exhaust gas temperature | May 30, 2006 | Issued |
Array
(
[id] => 5048332
[patent_doc_number] => 20070028876
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-02-08
[patent_title] => 'Multiple cylinder engine'
[patent_app_type] => utility
[patent_app_number] => 11/442847
[patent_app_country] => US
[patent_app_date] => 2006-05-30
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0028/20070028876.pdf
[firstpage_image] =>[orig_patent_app_number] => 11442847
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/442847 | Multiple cylinder engine | May 29, 2006 | Issued |
Array
(
[id] => 382005
[patent_doc_number] => 07305950
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2007-12-11
[patent_title] => 'Method for control of dilution in engines during variable camshaft phasing'
[patent_app_type] => utility
[patent_app_number] => 11/441964
[patent_app_country] => US
[patent_app_date] => 2006-05-26
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/305/07305950.pdf
[firstpage_image] =>[orig_patent_app_number] => 11441964
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/441964 | Method for control of dilution in engines during variable camshaft phasing | May 25, 2006 | Issued |
Array
(
[id] => 819018
[patent_doc_number] => 07406931
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-08-05
[patent_title] => 'Control apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/437749
[patent_app_country] => US
[patent_app_date] => 2006-05-22
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/406/07406931.pdf
[firstpage_image] =>[orig_patent_app_number] => 11437749
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/437749 | Control apparatus for internal combustion engine | May 21, 2006 | Issued |
Array
(
[id] => 443404
[patent_doc_number] => 07252053
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-08-07
[patent_title] => 'Electromagnetic actuator and control'
[patent_app_type] => utility
[patent_app_number] => 11/438041
[patent_app_country] => US
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[pdf_file] => patents/07/252/07252053.pdf
[firstpage_image] =>[orig_patent_app_number] => 11438041
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/438041 | Electromagnetic actuator and control | May 18, 2006 | Issued |
Array
(
[id] => 614622
[patent_doc_number] => 07143728
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-12-05
[patent_title] => 'Control apparatus'
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[pdf_file] => patents/07/143/07143728.pdf
[firstpage_image] =>[orig_patent_app_number] => 11433476
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/433476 | Control apparatus | May 14, 2006 | Issued |
Array
(
[id] => 5604796
[patent_doc_number] => 20060266312
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-30
[patent_title] => 'System and method for controlling load and combustion in an internal-combustion engine by valve actuation according to a multiple lift (multilift) cycle'
[patent_app_type] => utility
[patent_app_number] => 11/433417
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[pdf_file] => publications/A1/0266/20060266312.pdf
[firstpage_image] =>[orig_patent_app_number] => 11433417
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/433417 | System and method for controlling load and combustion in an internal-combustion engine by valve actuation according to a multiple lift (multilift) cycle | May 14, 2006 | Issued |
Array
(
[id] => 5604795
[patent_doc_number] => 20060266311
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-11-30
[patent_title] => 'Variable valve control apparatus'
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[pdf_file] => publications/A1/0266/20060266311.pdf
[firstpage_image] =>[orig_patent_app_number] => 11431519
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/431519 | Variable valve control apparatus | May 10, 2006 | Issued |