
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] => 5195978
[patent_doc_number] => 20070295296
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-27
[patent_title] => 'Adjustable camshaft'
[patent_app_type] => utility
[patent_app_number] => 11/820257
[patent_app_country] => US
[patent_app_date] => 2007-06-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2409
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0295/20070295296.pdf
[firstpage_image] =>[orig_patent_app_number] => 11820257
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/820257 | Adjustable camshaft | Jun 18, 2007 | Issued |
Array
(
[id] => 5122720
[patent_doc_number] => 20070234989
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-10-11
[patent_title] => 'VALVE OPERATING ASSEMBLY AND METHOD OF MANUFACTURING'
[patent_app_type] => utility
[patent_app_number] => 11/762724
[patent_app_country] => US
[patent_app_date] => 2007-06-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 67
[patent_figures_cnt] => 67
[patent_no_of_words] => 17466
[patent_no_of_claims] => 20
[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/A1/0234/20070234989.pdf
[firstpage_image] =>[orig_patent_app_number] => 11762724
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/762724 | VALVE OPERATING ASSEMBLY AND METHOD OF MANUFACTURING | Jun 12, 2007 | Abandoned |
Array
(
[id] => 4929665
[patent_doc_number] => 20080000440
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-01-03
[patent_title] => 'Support arrangement for cam follower for actuating a gas exchange valve of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/818061
[patent_app_country] => US
[patent_app_date] => 2007-06-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1406
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0000/20080000440.pdf
[firstpage_image] =>[orig_patent_app_number] => 11818061
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/818061 | Support arrangement for cam follower for actuating a gas exchange valve of an internal combustion engine | Jun 12, 2007 | Abandoned |
Array
(
[id] => 5195977
[patent_doc_number] => 20070295295
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-27
[patent_title] => 'Phase angle detection apparatus and variable valve timing control apparatus using the phase angle detection apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/808540
[patent_app_country] => US
[patent_app_date] => 2007-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 10780
[patent_no_of_claims] => 13
[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/A1/0295/20070295295.pdf
[firstpage_image] =>[orig_patent_app_number] => 11808540
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/808540 | Phase angle detection apparatus and variable valve timing control apparatus using the phase angle detection apparatus for internal combustion engine | Jun 10, 2007 | Abandoned |
Array
(
[id] => 4549606
[patent_doc_number] => 07845320
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-12-07
[patent_title] => 'Adjustable camshaft sprocket assembly and tool for same'
[patent_app_type] => utility
[patent_app_number] => 11/811187
[patent_app_country] => US
[patent_app_date] => 2007-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 4860
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 170
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/845/07845320.pdf
[firstpage_image] =>[orig_patent_app_number] => 11811187
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/811187 | Adjustable camshaft sprocket assembly and tool for same | Jun 7, 2007 | Issued |
Array
(
[id] => 11345
[patent_doc_number] => 07802546
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-09-28
[patent_title] => 'Variable valve actuating apparatus and process for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/808320
[patent_app_country] => US
[patent_app_date] => 2007-06-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 21
[patent_no_of_words] => 10745
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/802/07802546.pdf
[firstpage_image] =>[orig_patent_app_number] => 11808320
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/808320 | Variable valve actuating apparatus and process for internal combustion engine | Jun 7, 2007 | Issued |
Array
(
[id] => 5460580
[patent_doc_number] => 20090320780
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-12-31
[patent_title] => 'CONTROL ARRANGEMENT FOR A GAS EXCHANGE VALVE IN A PISTON ENGINE AND METHOD OF CONTROLLING A GAS EXCHANGE VALVE IN A PISTON ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/306755
[patent_app_country] => US
[patent_app_date] => 2007-06-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3115
[patent_no_of_claims] => 11
[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/A1/0320/20090320780.pdf
[firstpage_image] =>[orig_patent_app_number] => 12306755
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/306755 | Control arrangement for a gas exchange valve in a piston engine and method of controlling a gas exchange valve in a piston engine | Jun 5, 2007 | Issued |
Array
(
[id] => 325363
[patent_doc_number] => 07513226
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-04-07
[patent_title] => 'Hydraulic control system for a switching valve train'
[patent_app_type] => utility
[patent_app_number] => 11/756847
[patent_app_country] => US
[patent_app_date] => 2007-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2877
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/513/07513226.pdf
[firstpage_image] =>[orig_patent_app_number] => 11756847
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/756847 | Hydraulic control system for a switching valve train | May 31, 2007 | Issued |
Array
(
[id] => 165285
[patent_doc_number] => 07665437
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2010-02-23
[patent_title] => 'Oil passage structure of valve operating system'
[patent_app_type] => utility
[patent_app_number] => 12/158768
[patent_app_country] => US
[patent_app_date] => 2007-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2185
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/665/07665437.pdf
[firstpage_image] =>[orig_patent_app_number] => 12158768
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/158768 | Oil passage structure of valve operating system | May 31, 2007 | Issued |
Array
(
[id] => 4511996
[patent_doc_number] => 07938090
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-05-10
[patent_title] => 'Variable phase mechanism'
[patent_app_type] => utility
[patent_app_number] => 12/374455
[patent_app_country] => US
[patent_app_date] => 2007-06-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 29
[patent_no_of_words] => 3179
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 135
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/938/07938090.pdf
[firstpage_image] =>[orig_patent_app_number] => 12374455
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/374455 | Variable phase mechanism | May 31, 2007 | Issued |
Array
(
[id] => 5581895
[patent_doc_number] => 20090101097
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-23
[patent_title] => 'Valve driving device for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/990846
[patent_app_country] => US
[patent_app_date] => 2007-05-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
[patent_figures_cnt] => 17
[patent_no_of_words] => 8067
[patent_no_of_claims] => 8
[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/A1/0101/20090101097.pdf
[firstpage_image] =>[orig_patent_app_number] => 11990846
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/990846 | Valve driving device for internal combustion engine | May 28, 2007 | Issued |
Array
(
[id] => 5007278
[patent_doc_number] => 20070277755
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-12-06
[patent_title] => 'Variable valve operating apparatus for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/802889
[patent_app_country] => US
[patent_app_date] => 2007-05-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0277/20070277755.pdf
[firstpage_image] =>[orig_patent_app_number] => 11802889
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/802889 | Variable valve operating apparatus for internal combustion engine | May 24, 2007 | Abandoned |
Array
(
[id] => 544658
[patent_doc_number] => 07469670
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-12-30
[patent_title] => 'Adjustable camshaft'
[patent_app_type] => utility
[patent_app_number] => 11/807099
[patent_app_country] => US
[patent_app_date] => 2007-05-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/469/07469670.pdf
[firstpage_image] =>[orig_patent_app_number] => 11807099
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/807099 | Adjustable camshaft | May 24, 2007 | Issued |
Array
(
[id] => 368802
[patent_doc_number] => 07475658
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-01-13
[patent_title] => 'Electrohydraulic control module'
[patent_app_type] => utility
[patent_app_number] => 11/753038
[patent_app_country] => US
[patent_app_date] => 2007-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 2007
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/475/07475658.pdf
[firstpage_image] =>[orig_patent_app_number] => 11753038
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/753038 | Electrohydraulic control module | May 23, 2007 | Issued |
Array
(
[id] => 4973849
[patent_doc_number] => 20070215077
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-09-20
[patent_title] => 'ELECTROMECHANICAL VALVE ACTUATOR BEGINNING OF STROKE DAMPER'
[patent_app_type] => utility
[patent_app_number] => 11/752572
[patent_app_country] => US
[patent_app_date] => 2007-05-23
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0215/20070215077.pdf
[firstpage_image] =>[orig_patent_app_number] => 11752572
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/752572 | ELECTROMECHANICAL VALVE ACTUATOR BEGINNING OF STROKE DAMPER | May 22, 2007 | Abandoned |
Array
(
[id] => 558618
[patent_doc_number] => 07458351
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-12-02
[patent_title] => 'Valve timing controller'
[patent_app_type] => utility
[patent_app_number] => 11/798548
[patent_app_country] => US
[patent_app_date] => 2007-05-15
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/458/07458351.pdf
[firstpage_image] =>[orig_patent_app_number] => 11798548
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/798548 | Valve timing controller | May 14, 2007 | Issued |
Array
(
[id] => 4973855
[patent_doc_number] => 20070215083
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-09-20
[patent_title] => 'Device for controlling the lift of a gas exchange valve in an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/798307
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[patent_app_date] => 2007-05-11
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[pdf_file] => publications/A1/0215/20070215083.pdf
[firstpage_image] =>[orig_patent_app_number] => 11798307
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/798307 | Device for controlling the lift of a gas exchange valve in an internal combustion engine | May 10, 2007 | Issued |
Array
(
[id] => 5007282
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[firstpage_image] =>[orig_patent_app_number] => 11790967
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/790967 | Valve timing controller | Apr 29, 2007 | Issued |
Array
(
[id] => 5082135
[patent_doc_number] => 20070272185
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-11-29
[patent_title] => 'HYDRAULIC LASH ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 11/740472
[patent_app_country] => US
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[pdf_file] => publications/A1/0272/20070272185.pdf
[firstpage_image] =>[orig_patent_app_number] => 11740472
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/740472 | HYDRAULIC LASH ADJUSTER FOR AN INTERNAL COMBUSTION ENGINE | Apr 25, 2007 | Abandoned |
Array
(
[id] => 7708430
[patent_doc_number] => 08091522
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-01-10
[patent_title] => 'Variable valve driving device'
[patent_app_type] => utility
[patent_app_number] => 12/300467
[patent_app_country] => US
[patent_app_date] => 2007-04-26
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/091/08091522.pdf
[firstpage_image] =>[orig_patent_app_number] => 12300467
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/300467 | Variable valve driving device | Apr 25, 2007 | Issued |