
Ching Chang
Examiner (ID: 13382, 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] => 6641743
[patent_doc_number] => 20030075131
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-04-24
[patent_title] => 'Automatic valve clearance adjuster'
[patent_app_type] => new
[patent_app_number] => 10/182888
[patent_app_country] => US
[patent_app_date] => 2002-09-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 6826
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 8
[patent_words_short_claim] => 17
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0075/20030075131.pdf
[firstpage_image] =>[orig_patent_app_number] => 10182888
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/182888 | Automatic valve clearance adjuster | Sep 23, 2002 | Abandoned |
Array
(
[id] => 6742268
[patent_doc_number] => 20030019451
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-30
[patent_title] => 'Valve timing control system and method of producing valve timing control system'
[patent_app_type] => new
[patent_app_number] => 10/252089
[patent_app_country] => US
[patent_app_date] => 2002-09-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3820
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 69
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0019/20030019451.pdf
[firstpage_image] =>[orig_patent_app_number] => 10252089
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/252089 | Valve timing control system and method of producing valve timing control system | Sep 22, 2002 | Issued |
Array
(
[id] => 703862
[patent_doc_number] => 07059282
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-06-13
[patent_title] => 'Variable lost motion valve actuator and method'
[patent_app_type] => utility
[patent_app_number] => 10/251748
[patent_app_country] => US
[patent_app_date] => 2002-09-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 67
[patent_figures_cnt] => 81
[patent_no_of_words] => 27906
[patent_no_of_claims] => 38
[patent_no_of_ind_claims] => 6
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/059/07059282.pdf
[firstpage_image] =>[orig_patent_app_number] => 10251748
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/251748 | Variable lost motion valve actuator and method | Sep 22, 2002 | Issued |
Array
(
[id] => 1329376
[patent_doc_number] => 06584943
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-07-01
[patent_title] => 'Variable compound rocker system for push rod and overhead camshaft engines'
[patent_app_type] => B1
[patent_app_number] => 10/246138
[patent_app_country] => US
[patent_app_date] => 2002-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2015
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 152
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/584/06584943.pdf
[firstpage_image] =>[orig_patent_app_number] => 10246138
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/246138 | Variable compound rocker system for push rod and overhead camshaft engines | Sep 17, 2002 | Issued |
Array
(
[id] => 6718003
[patent_doc_number] => 20030051690
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-20
[patent_title] => 'Switching element for a valve train of an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/246278
[patent_app_country] => US
[patent_app_date] => 2002-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 1924
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0051/20030051690.pdf
[firstpage_image] =>[orig_patent_app_number] => 10246278
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/246278 | Switching element for a valve train of an internal combustion engine | Sep 17, 2002 | Issued |
Array
(
[id] => 7968591
[patent_doc_number] => 06679208
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-01-20
[patent_title] => 'Device for adjusting the angle of rotation of a camshaft of an internal combustion engine relative to a drive wheel'
[patent_app_type] => B2
[patent_app_number] => 10/221949
[patent_app_country] => US
[patent_app_date] => 2002-09-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 1571
[patent_no_of_claims] => 3
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/679/06679208.pdf
[firstpage_image] =>[orig_patent_app_number] => 10221949
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/221949 | Device for adjusting the angle of rotation of a camshaft of an internal combustion engine relative to a drive wheel | Sep 17, 2002 | Issued |
Array
(
[id] => 6718505
[patent_doc_number] => 20030052192
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-20
[patent_title] => 'Auto-care irrigation and conditioning system and method'
[patent_app_type] => new
[patent_app_number] => 10/244950
[patent_app_country] => US
[patent_app_date] => 2002-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 5264
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 40
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0052/20030052192.pdf
[firstpage_image] =>[orig_patent_app_number] => 10244950
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/244950 | Auto-care irrigation and conditioning system and method | Sep 16, 2002 | Abandoned |
Array
(
[id] => 6771818
[patent_doc_number] => 20030015156
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-23
[patent_title] => 'Selecting operating mode in an engine with a hybrid valvetrain'
[patent_app_type] => new
[patent_app_number] => 10/245259
[patent_app_country] => US
[patent_app_date] => 2002-09-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 8472
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0015/20030015156.pdf
[firstpage_image] =>[orig_patent_app_number] => 10245259
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/245259 | Selecting operating mode in an engine with a hybrid valvetrain | Sep 16, 2002 | Issued |
Array
(
[id] => 6680245
[patent_doc_number] => 20030116109
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-06-26
[patent_title] => 'Fluid control valve actuating system'
[patent_app_type] => new
[patent_app_number] => 10/244329
[patent_app_country] => US
[patent_app_date] => 2002-09-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4090
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 94
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0116/20030116109.pdf
[firstpage_image] =>[orig_patent_app_number] => 10244329
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/244329 | Fluid control valve actuating system | Sep 15, 2002 | Issued |
Array
(
[id] => 1202672
[patent_doc_number] => 06715456
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-04-06
[patent_title] => 'Variable valve control comprising a sliding-block part and a free travel'
[patent_app_type] => B2
[patent_app_number] => 10/221311
[patent_app_country] => US
[patent_app_date] => 2002-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 2295
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/715/06715456.pdf
[firstpage_image] =>[orig_patent_app_number] => 10221311
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/221311 | Variable valve control comprising a sliding-block part and a free travel | Sep 10, 2002 | Issued |
Array
(
[id] => 1251163
[patent_doc_number] => 06668774
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-12-30
[patent_title] => 'Non-contacting apparatus for determining relative rotary position of two elements'
[patent_app_type] => B1
[patent_app_number] => 10/234509
[patent_app_country] => US
[patent_app_date] => 2002-09-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 1887
[patent_no_of_claims] => 5
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/668/06668774.pdf
[firstpage_image] =>[orig_patent_app_number] => 10234509
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/234509 | Non-contacting apparatus for determining relative rotary position of two elements | Sep 3, 2002 | Issued |
Array
(
[id] => 6747300
[patent_doc_number] => 20030041820
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-06
[patent_title] => 'Valve train of an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/231409
[patent_app_country] => US
[patent_app_date] => 2002-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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[patent_no_of_words] => 1670
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0041/20030041820.pdf
[firstpage_image] =>[orig_patent_app_number] => 10231409
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/231409 | Valve train of an internal combustion engine | Aug 28, 2002 | Issued |
Array
(
[id] => 6747306
[patent_doc_number] => 20030041826
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-06
[patent_title] => 'Oil-through type push rod'
[patent_app_type] => new
[patent_app_number] => 10/231753
[patent_app_country] => US
[patent_app_date] => 2002-08-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_no_of_words] => 2925
[patent_no_of_claims] => 6
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0041/20030041826.pdf
[firstpage_image] =>[orig_patent_app_number] => 10231753
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/231753 | Oil-through type push rod | Aug 28, 2002 | Issued |
Array
(
[id] => 1237839
[patent_doc_number] => 06681730
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-01-27
[patent_title] => 'Hydraulic damper for an electromechanical valve'
[patent_app_type] => B1
[patent_app_number] => 10/064897
[patent_app_country] => US
[patent_app_date] => 2002-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 2625
[patent_no_of_claims] => 9
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/681/06681730.pdf
[firstpage_image] =>[orig_patent_app_number] => 10064897
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/064897 | Hydraulic damper for an electromechanical valve | Aug 26, 2002 | Issued |
Array
(
[id] => 6742262
[patent_doc_number] => 20030019445
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-30
[patent_title] => 'Internal combustion engine with exhaust gas control device'
[patent_app_type] => new
[patent_app_number] => 10/204598
[patent_app_country] => US
[patent_app_date] => 2002-08-23
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0019/20030019445.pdf
[firstpage_image] =>[orig_patent_app_number] => 10204598
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/204598 | Internal combustion engine with exhaust gas control device | Aug 22, 2002 | Issued |
Array
(
[id] => 6485596
[patent_doc_number] => 20020189561
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-12-19
[patent_title] => 'Internal combustion engine with variable cam timing oil filter with restrictor arrangement'
[patent_app_type] => new
[patent_app_number] => 10/226277
[patent_app_country] => US
[patent_app_date] => 2002-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0189/20020189561.pdf
[firstpage_image] =>[orig_patent_app_number] => 10226277
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/226277 | Internal combustion engine with variable cam timing oil filter with restrictor arrangement | Aug 21, 2002 | Issued |
Array
(
[id] => 995050
[patent_doc_number] => 06912981
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-07-05
[patent_title] => 'Method and apparatus to correct a cam phaser fault'
[patent_app_type] => utility
[patent_app_number] => 10/225452
[patent_app_country] => US
[patent_app_date] => 2002-08-21
[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/912/06912981.pdf
[firstpage_image] =>[orig_patent_app_number] => 10225452
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/225452 | Method and apparatus to correct a cam phaser fault | Aug 20, 2002 | Issued |
Array
(
[id] => 7309797
[patent_doc_number] => 20040031864
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-19
[patent_title] => 'Granular material spreader capable of spreading a mixture of two or more dry materials'
[patent_app_type] => new
[patent_app_number] => 10/223972
[patent_app_country] => US
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[pdf_file] => publications/A1/0031/20040031864.pdf
[firstpage_image] =>[orig_patent_app_number] => 10223972
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/223972 | Granular material spreader capable of spreading a mixture of two or more dry materials | Aug 18, 2002 | Abandoned |
Array
(
[id] => 1320215
[patent_doc_number] => 06595171
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-07-22
[patent_title] => 'Valve timing control system for internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/218663
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[patent_app_date] => 2002-08-15
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[pdf_file] => patents/06/595/06595171.pdf
[firstpage_image] =>[orig_patent_app_number] => 10218663
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/218663 | Valve timing control system for internal combustion engine | Aug 14, 2002 | Issued |
Array
(
[id] => 6776072
[patent_doc_number] => 20030047152
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-13
[patent_title] => 'Valve driving apparatus of internal combustion engine'
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[patent_app_number] => 10/216199
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[patent_app_date] => 2002-08-12
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0047/20030047152.pdf
[firstpage_image] =>[orig_patent_app_number] => 10216199
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/216199 | Valve driving apparatus of internal combustion engine | Aug 11, 2002 | Issued |