
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] => 815537
[patent_doc_number] => 07409939
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-08-12
[patent_title] => 'Cylinder head having an integrally cast rocker shaft pedestal'
[patent_app_type] => utility
[patent_app_number] => 10/662822
[patent_app_country] => US
[patent_app_date] => 2003-09-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 7
[patent_no_of_words] => 1895
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 128
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/409/07409939.pdf
[firstpage_image] =>[orig_patent_app_number] => 10662822
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/662822 | Cylinder head having an integrally cast rocker shaft pedestal | Sep 15, 2003 | Issued |
Array
(
[id] => 1129178
[patent_doc_number] => 06782854
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-08-31
[patent_title] => 'Valve timing control device'
[patent_app_type] => B2
[patent_app_number] => 10/649619
[patent_app_country] => US
[patent_app_date] => 2003-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2746
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 151
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/782/06782854.pdf
[firstpage_image] =>[orig_patent_app_number] => 10649619
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/649619 | Valve timing control device | Aug 27, 2003 | Issued |
Array
(
[id] => 7364263
[patent_doc_number] => 20040025820
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-12
[patent_title] => 'Valve mechanism with a variable valve opening cross-section'
[patent_app_type] => new
[patent_app_number] => 10/399662
[patent_app_country] => US
[patent_app_date] => 2003-08-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 4481
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 13
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[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0025/20040025820.pdf
[firstpage_image] =>[orig_patent_app_number] => 10399662
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/399662 | Valve mechanism with a variable valve opening cross-section | Aug 26, 2003 | Issued |
Array
(
[id] => 1141369
[patent_doc_number] => 06769387
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-08-03
[patent_title] => 'Compact two-step rocker arm assembly'
[patent_app_type] => B2
[patent_app_number] => 10/649217
[patent_app_country] => US
[patent_app_date] => 2003-08-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 12
[patent_no_of_words] => 3532
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/769/06769387.pdf
[firstpage_image] =>[orig_patent_app_number] => 10649217
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/649217 | Compact two-step rocker arm assembly | Aug 25, 2003 | Issued |
Array
(
[id] => 7200410
[patent_doc_number] => 20040069260
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-04-15
[patent_title] => 'Oil passage structure for engine'
[patent_app_type] => new
[patent_app_number] => 10/646694
[patent_app_country] => US
[patent_app_date] => 2003-08-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 8698
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 2
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0069/20040069260.pdf
[firstpage_image] =>[orig_patent_app_number] => 10646694
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/646694 | Oil passage structure for engine | Aug 24, 2003 | Issued |
Array
(
[id] => 1129175
[patent_doc_number] => 06782853
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-08-31
[patent_title] => 'Control apparatus and method for valve actuating system of internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/645912
[patent_app_country] => US
[patent_app_date] => 2003-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 19
[patent_no_of_words] => 9901
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/782/06782853.pdf
[firstpage_image] =>[orig_patent_app_number] => 10645912
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/645912 | Control apparatus and method for valve actuating system of internal combustion engine | Aug 21, 2003 | Issued |
Array
(
[id] => 7188046
[patent_doc_number] => 20050039714
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-02-24
[patent_title] => 'Valve-operating lever'
[patent_app_type] => utility
[patent_app_number] => 10/646197
[patent_app_country] => US
[patent_app_date] => 2003-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 3567
[patent_no_of_claims] => 35
[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/A1/0039/20050039714.pdf
[firstpage_image] =>[orig_patent_app_number] => 10646197
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/646197 | Valve-operating lever | Aug 21, 2003 | Issued |
Array
(
[id] => 1019065
[patent_doc_number] => 06886512
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-05-03
[patent_title] => 'Variable valve-stroke controls'
[patent_app_type] => utility
[patent_app_number] => 10/643472
[patent_app_country] => US
[patent_app_date] => 2003-08-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3333
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 185
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/886/06886512.pdf
[firstpage_image] =>[orig_patent_app_number] => 10643472
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/643472 | Variable valve-stroke controls | Aug 18, 2003 | Issued |
Array
(
[id] => 1101788
[patent_doc_number] => 06810841
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-11-02
[patent_title] => 'Electronic valve actuator control system and method'
[patent_app_type] => B1
[patent_app_number] => 10/641882
[patent_app_country] => US
[patent_app_date] => 2003-08-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 4250
[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/06/810/06810841.pdf
[firstpage_image] =>[orig_patent_app_number] => 10641882
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/641882 | Electronic valve actuator control system and method | Aug 15, 2003 | Issued |
Array
(
[id] => 1044869
[patent_doc_number] => 06863040
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-03-08
[patent_title] => 'Rocker arm'
[patent_app_type] => utility
[patent_app_number] => 10/634762
[patent_app_country] => US
[patent_app_date] => 2003-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 23
[patent_no_of_words] => 8429
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 303
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/863/06863040.pdf
[firstpage_image] =>[orig_patent_app_number] => 10634762
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/634762 | Rocker arm | Aug 5, 2003 | Issued |
Array
(
[id] => 728350
[patent_doc_number] => 07036470
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2006-05-02
[patent_title] => 'Four-cycle engine'
[patent_app_type] => utility
[patent_app_number] => 10/631117
[patent_app_country] => US
[patent_app_date] => 2003-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 11
[patent_no_of_words] => 10370
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 208
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/036/07036470.pdf
[firstpage_image] =>[orig_patent_app_number] => 10631117
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/631117 | Four-cycle engine | Jul 30, 2003 | Issued |
Array
(
[id] => 5789145
[patent_doc_number] => 20060011060
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2006-01-19
[patent_title] => 'Electrically operated valve for controlling flow of hydraulic fluid'
[patent_app_type] => utility
[patent_app_number] => 10/522266
[patent_app_country] => US
[patent_app_date] => 2003-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1837
[patent_no_of_claims] => 24
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0011/20060011060.pdf
[firstpage_image] =>[orig_patent_app_number] => 10522266
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/522266 | Electrically operated valve for controlling flow of hydraulic fluid | Jul 29, 2003 | Issued |
Array
(
[id] => 7129315
[patent_doc_number] => 20040040530
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-03-04
[patent_title] => 'Internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/629609
[patent_app_country] => US
[patent_app_date] => 2003-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 6340
[patent_no_of_claims] => 13
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0040/20040040530.pdf
[firstpage_image] =>[orig_patent_app_number] => 10629609
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/629609 | Internal combustion engine | Jul 29, 2003 | Issued |
Array
(
[id] => 7438482
[patent_doc_number] => 20040050352
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-03-18
[patent_title] => 'Variable valve train for a cam-activated lifting valve of an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/624592
[patent_app_country] => US
[patent_app_date] => 2003-07-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 2757
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[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0050/20040050352.pdf
[firstpage_image] =>[orig_patent_app_number] => 10624592
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/624592 | Variable valve train for a cam-activated lifting valve of an internal combustion engine | Jul 22, 2003 | Abandoned |
Array
(
[id] => 533371
[patent_doc_number] => 07162982
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2007-01-16
[patent_title] => 'Hydraulic valve actuator for reciprocating engine'
[patent_app_type] => utility
[patent_app_number] => 10/521739
[patent_app_country] => US
[patent_app_date] => 2003-07-18
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/07/162/07162982.pdf
[firstpage_image] =>[orig_patent_app_number] => 10521739
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/521739 | Hydraulic valve actuator for reciprocating engine | Jul 17, 2003 | Issued |
Array
(
[id] => 7119650
[patent_doc_number] => 20050011479
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-01-20
[patent_title] => 'Control system and method for a valve actuator'
[patent_app_type] => utility
[patent_app_number] => 10/618737
[patent_app_country] => US
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[patent_effective_date] => 0000-00-00
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0011/20050011479.pdf
[firstpage_image] =>[orig_patent_app_number] => 10618737
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/618737 | Control system and method for a valve actuator | Jul 14, 2003 | Issued |
Array
(
[id] => 7385669
[patent_doc_number] => 20040016414
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-29
[patent_title] => 'Engine'
[patent_app_type] => new
[patent_app_number] => 10/617842
[patent_app_country] => US
[patent_app_date] => 2003-07-14
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[pdf_file] => publications/A1/0016/20040016414.pdf
[firstpage_image] =>[orig_patent_app_number] => 10617842
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/617842 | Engine | Jul 13, 2003 | Issued |
Array
(
[id] => 1138621
[patent_doc_number] => 06772719
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-08-10
[patent_title] => 'Hydraulic valve lifter with operating control system'
[patent_app_type] => B2
[patent_app_number] => 10/616687
[patent_app_country] => US
[patent_app_date] => 2003-07-10
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[pdf_file] => patents/06/772/06772719.pdf
[firstpage_image] =>[orig_patent_app_number] => 10616687
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/616687 | Hydraulic valve lifter with operating control system | Jul 9, 2003 | Issued |
Array
(
[id] => 601245
[patent_doc_number] => 07431000
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-07
[patent_title] => 'Valve-actuating for internal combustion engine'
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[patent_app_country] => US
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[pdf_file] => patents/07/431/07431000.pdf
[firstpage_image] =>[orig_patent_app_number] => 10516947
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/516947 | Valve-actuating for internal combustion engine | Jul 1, 2003 | Issued |
Array
(
[id] => 7266911
[patent_doc_number] => 20040055550
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-03-25
[patent_title] => 'Spool valve controlled VCT locking pin release mechanism'
[patent_app_type] => new
[patent_app_number] => 10/603637
[patent_app_country] => US
[patent_app_date] => 2003-06-25
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0055/20040055550.pdf
[firstpage_image] =>[orig_patent_app_number] => 10603637
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/603637 | Spool valve controlled VCT locking pin release mechanism | Jun 24, 2003 | Issued |