
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] => 5487554
[patent_doc_number] => 20090288625
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-11-26
[patent_title] => 'VALVE TIMING CONTROL DEVICE'
[patent_app_type] => utility
[patent_app_number] => 12/408207
[patent_app_country] => US
[patent_app_date] => 2009-03-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 12399
[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/A1/0288/20090288625.pdf
[firstpage_image] =>[orig_patent_app_number] => 12408207
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/408207 | Valve timing control device | Mar 19, 2009 | Issued |
Array
(
[id] => 6127747
[patent_doc_number] => 20110005227
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-01-13
[patent_title] => 'EXHAUST GAS HEAT RECOVERY UNIT AND EXHAUST GAS HEAT RECOVERY METHOD'
[patent_app_type] => utility
[patent_app_number] => 12/921911
[patent_app_country] => US
[patent_app_date] => 2009-03-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 7555
[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/A1/0005/20110005227.pdf
[firstpage_image] =>[orig_patent_app_number] => 12921911
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/921911 | EXHAUST GAS HEAT RECOVERY UNIT AND EXHAUST GAS HEAT RECOVERY METHOD | Mar 12, 2009 | Abandoned |
Array
(
[id] => 5400573
[patent_doc_number] => 20090235886
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-09-24
[patent_title] => 'VARIABLE VALVE ACTUATING APPARATUS FOR INTERNAL COMBUSTION ENGINE AND CONTROL SHAFT FOR VARIABLE VALVE ACTUATING APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/402017
[patent_app_country] => US
[patent_app_date] => 2009-03-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 7972
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0235/20090235886.pdf
[firstpage_image] =>[orig_patent_app_number] => 12402017
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/402017 | Variable valve actuating apparatus for internal combustion engine and control shaft for variable valve actuating apparatus | Mar 10, 2009 | Issued |
Array
(
[id] => 7758273
[patent_doc_number] => 08113163
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-02-14
[patent_title] => 'Concentric camshaft and method of assembly'
[patent_app_type] => utility
[patent_app_number] => 12/400265
[patent_app_country] => US
[patent_app_date] => 2009-03-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2190
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 88
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/113/08113163.pdf
[firstpage_image] =>[orig_patent_app_number] => 12400265
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/400265 | Concentric camshaft and method of assembly | Mar 8, 2009 | Issued |
Array
(
[id] => 5400570
[patent_doc_number] => 20090235883
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-09-24
[patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 12/398459
[patent_app_country] => US
[patent_app_date] => 2009-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[patent_no_of_words] => 13399
[patent_no_of_claims] => 21
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0235/20090235883.pdf
[firstpage_image] =>[orig_patent_app_number] => 12398459
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/398459 | Valve timing control apparatus for internal combustion engine | Mar 4, 2009 | Issued |
Array
(
[id] => 7558087
[patent_doc_number] => 20110271918
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-11-10
[patent_title] => 'VARIABLE VALVE OPERATING APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/142664
[patent_app_country] => US
[patent_app_date] => 2009-02-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 17
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[patent_no_of_words] => 17031
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[pdf_file] => publications/A1/0271/20110271918.pdf
[firstpage_image] =>[orig_patent_app_number] => 13142664
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/142664 | Variable valve operating apparatus for internal combustion engine | Feb 24, 2009 | Issued |
Array
(
[id] => 7500081
[patent_doc_number] => 08033256
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-11
[patent_title] => 'Engine having variable valve mechanism'
[patent_app_type] => utility
[patent_app_number] => 12/372798
[patent_app_country] => US
[patent_app_date] => 2009-02-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 5270
[patent_no_of_claims] => 8
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/033/08033256.pdf
[firstpage_image] =>[orig_patent_app_number] => 12372798
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/372798 | Engine having variable valve mechanism | Feb 17, 2009 | Issued |
Array
(
[id] => 8100213
[patent_doc_number] => 08151752
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-04-10
[patent_title] => 'Deactivating hydraulic lash adjuster for oriented mounting in an engine'
[patent_app_type] => utility
[patent_app_number] => 12/322905
[patent_app_country] => US
[patent_app_date] => 2009-02-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 11
[patent_no_of_words] => 2948
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 190
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/151/08151752.pdf
[firstpage_image] =>[orig_patent_app_number] => 12322905
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/322905 | Deactivating hydraulic lash adjuster for oriented mounting in an engine | Feb 8, 2009 | Issued |
Array
(
[id] => 7484487
[patent_doc_number] => 08028667
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-10-04
[patent_title] => 'Valve timing adjusting apparatus'
[patent_app_type] => utility
[patent_app_number] => 12/364579
[patent_app_country] => US
[patent_app_date] => 2009-02-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 14271
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/08/028/08028667.pdf
[firstpage_image] =>[orig_patent_app_number] => 12364579
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/364579 | Valve timing adjusting apparatus | Feb 2, 2009 | Issued |
Array
(
[id] => 4435017
[patent_doc_number] => 07926459
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-04-19
[patent_title] => 'Device for opening and closing a valve of a valve assembly of a combustion engine as well as for adjusting the stroke of the valve'
[patent_app_type] => utility
[patent_app_number] => 12/361847
[patent_app_country] => US
[patent_app_date] => 2009-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3324
[patent_no_of_claims] => 15
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/926/07926459.pdf
[firstpage_image] =>[orig_patent_app_number] => 12361847
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/361847 | Device for opening and closing a valve of a valve assembly of a combustion engine as well as for adjusting the stroke of the valve | Jan 28, 2009 | Issued |
Array
(
[id] => 8013999
[patent_doc_number] => 08136496
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-03-20
[patent_title] => 'Valve rotator assembly'
[patent_app_type] => utility
[patent_app_number] => 12/362379
[patent_app_country] => US
[patent_app_date] => 2009-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
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[pdf_file] => patents/08/136/08136496.pdf
[firstpage_image] =>[orig_patent_app_number] => 12362379
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/362379 | Valve rotator assembly | Jan 28, 2009 | Issued |
Array
(
[id] => 9164828
[patent_doc_number] => 08590499
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-11-26
[patent_title] => 'Camshaft module for attachment to a cylinder head of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 12/865662
[patent_app_country] => US
[patent_app_date] => 2009-01-28
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12865662
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/865662 | Camshaft module for attachment to a cylinder head of an internal combustion engine | Jan 27, 2009 | Issued |
Array
(
[id] => 4627783
[patent_doc_number] => 08006658
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2011-08-30
[patent_title] => 'Variable valve actuation apparatus of internal combustion engine'
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[patent_app_number] => 12/360309
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/360309 | Variable valve actuation apparatus of internal combustion engine | Jan 26, 2009 | Issued |
Array
(
[id] => 7533550
[patent_doc_number] => 08047171
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[patent_kind] => B2
[patent_issue_date] => 2011-11-01
[patent_title] => 'Device for setting the relative rotational position of a camshaft of an internal combustion engine relative to a crankshaft driving the camshaft'
[patent_app_type] => utility
[patent_app_number] => 12/359499
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/359499 | Device for setting the relative rotational position of a camshaft of an internal combustion engine relative to a crankshaft driving the camshaft | Jan 25, 2009 | Issued |
Array
(
[id] => 9138442
[patent_doc_number] => 08578896
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[patent_issue_date] => 2013-11-12
[patent_title] => 'Method for bounce suppression of a valve switched by a piezo actuator'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/735902 | Method for bounce suppression of a valve switched by a piezo actuator | Jan 25, 2009 | Issued |
Array
(
[id] => 7543849
[patent_doc_number] => 08051812
[patent_country] => US
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[patent_issue_date] => 2011-11-08
[patent_title] => 'Variable valve actuator with a pneumatic booster'
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[pdf_file] => patents/08/051/08051812.pdf
[firstpage_image] =>[orig_patent_app_number] => 12321789
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/321789 | Variable valve actuator with a pneumatic booster | Jan 25, 2009 | Issued |
Array
(
[id] => 4622648
[patent_doc_number] => 08001941
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[patent_issue_date] => 2011-08-23
[patent_title] => 'Lash adjuster'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 12/357477 | Lash adjuster | Jan 21, 2009 | Issued |
Array
(
[id] => 5352356
[patent_doc_number] => 20090183700
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[patent_issue_date] => 2009-07-23
[patent_title] => 'VALVE TRAIN OF AN INTERNAL COMBUSTION ENGINE'
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[firstpage_image] =>[orig_patent_app_number] => 12353556
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/353556 | Valve train of an internal combustion engine | Jan 13, 2009 | Issued |
Array
(
[id] => 6378213
[patent_doc_number] => 20100175648
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[patent_kind] => A1
[patent_issue_date] => 2010-07-15
[patent_title] => 'MECHANICAL VARIABLE CAMSHAFT TIMING DEVICE'
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[firstpage_image] =>[orig_patent_app_number] => 12351049
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/351049 | Mechanical variable camshaft timing device | Jan 8, 2009 | Issued |
Array
(
[id] => 7543858
[patent_doc_number] => 08051821
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[patent_title] => 'Camshaft apparatus'
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[pdf_file] => patents/08/051/08051821.pdf
[firstpage_image] =>[orig_patent_app_number] => 12318839
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/318839 | Camshaft apparatus | Jan 8, 2009 | Issued |