Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 5201512 [patent_doc_number] => 20070022991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-02-01 [patent_title] => 'Rocker arm for an engine' [patent_app_type] => utility [patent_app_number] => 11/194269 [patent_app_country] => US [patent_app_date] => 2005-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1352 [patent_no_of_claims] => 3 [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/A1/0022/20070022991.pdf [firstpage_image] =>[orig_patent_app_number] => 11194269 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/194269
Rocker arm for an engine Jul 31, 2005 Issued
Array ( [id] => 4654093 [patent_doc_number] => 20080022953 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-31 [patent_title] => 'Variable Valve Timing Control Deivce' [patent_app_type] => utility [patent_app_number] => 11/629899 [patent_app_country] => US [patent_app_date] => 2005-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8361 [patent_no_of_claims] => 8 [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/A1/0022/20080022953.pdf [firstpage_image] =>[orig_patent_app_number] => 11629899 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/629899
Variable valve timing control device Jul 26, 2005 Issued
Array ( [id] => 677404 [patent_doc_number] => 07082912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-01 [patent_title] => 'System and method for controlling engine valve lift and valve opening percentage' [patent_app_type] => utility [patent_app_number] => 11/187759 [patent_app_country] => US [patent_app_date] => 2005-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 36 [patent_no_of_words] => 8543 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/082/07082912.pdf [firstpage_image] =>[orig_patent_app_number] => 11187759 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/187759
System and method for controlling engine valve lift and valve opening percentage Jul 21, 2005 Issued
Array ( [id] => 605044 [patent_doc_number] => 07152560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-12-26 [patent_title] => 'Engine valve performance controller' [patent_app_type] => utility [patent_app_number] => 11/186776 [patent_app_country] => US [patent_app_date] => 2005-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 7126 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/152/07152560.pdf [firstpage_image] =>[orig_patent_app_number] => 11186776 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/186776
Engine valve performance controller Jul 21, 2005 Issued
Array ( [id] => 5072302 [patent_doc_number] => 20070012277 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-18 [patent_title] => 'Torsional damper for balance shafts' [patent_app_type] => utility [patent_app_number] => 11/181546 [patent_app_country] => US [patent_app_date] => 2005-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1251 [patent_no_of_claims] => 3 [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/A1/0012/20070012277.pdf [firstpage_image] =>[orig_patent_app_number] => 11181546 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/181546
Torsional damper for balance shafts Jul 13, 2005 Issued
Array ( [id] => 5789389 [patent_doc_number] => 20060011159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-01-19 [patent_title] => 'System and method for controlling engine operation' [patent_app_type] => utility [patent_app_number] => 11/179808 [patent_app_country] => US [patent_app_date] => 2005-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6690 [patent_no_of_claims] => 2 [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/A1/0011/20060011159.pdf [firstpage_image] =>[orig_patent_app_number] => 11179808 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/179808
System and method for controlling engine operation Jul 12, 2005 Abandoned
Array ( [id] => 120159 [patent_doc_number] => 07703425 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-27 [patent_title] => 'Electromotive camshaft adjuster' [patent_app_type] => utility [patent_app_number] => 11/573496 [patent_app_country] => US [patent_app_date] => 2005-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4759 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/703/07703425.pdf [firstpage_image] =>[orig_patent_app_number] => 11573496 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/573496
Electromotive camshaft adjuster Jul 12, 2005 Issued
Array ( [id] => 670004 [patent_doc_number] => 07089899 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2006-08-15 [patent_title] => 'Stamped two-step rocker arm component' [patent_app_type] => utility [patent_app_number] => 11/178266 [patent_app_country] => US [patent_app_date] => 2005-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3825 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/089/07089899.pdf [firstpage_image] =>[orig_patent_app_number] => 11178266 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/178266
Stamped two-step rocker arm component Jul 10, 2005 Issued
Array ( [id] => 1075865 [patent_doc_number] => 07614374 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-10 [patent_title] => 'Rolling bearing for rocker arm' [patent_app_type] => utility [patent_app_number] => 11/659316 [patent_app_country] => US [patent_app_date] => 2005-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 23 [patent_no_of_words] => 22241 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/614/07614374.pdf [firstpage_image] =>[orig_patent_app_number] => 11659316 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/659316
Rolling bearing for rocker arm Jul 5, 2005 Issued
Array ( [id] => 5128422 [patent_doc_number] => 20070204819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-06 [patent_title] => 'Valve Engine' [patent_app_type] => utility [patent_app_number] => 11/632558 [patent_app_country] => US [patent_app_date] => 2005-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1769 [patent_no_of_claims] => 3 [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/A1/0204/20070204819.pdf [firstpage_image] =>[orig_patent_app_number] => 11632558 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/632558
Valve engine Jul 1, 2005 Issued
Array ( [id] => 5604803 [patent_doc_number] => 20060266319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-30 [patent_title] => 'Variable valve timing system' [patent_app_type] => utility [patent_app_number] => 11/172046 [patent_app_country] => US [patent_app_date] => 2005-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2574 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0266/20060266319.pdf [firstpage_image] =>[orig_patent_app_number] => 11172046 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/172046
Variable valve timing system Jun 29, 2005 Issued
Array ( [id] => 720177 [patent_doc_number] => 07044094 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-16 [patent_title] => 'Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/169066 [patent_app_country] => US [patent_app_date] => 2005-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2903 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/044/07044094.pdf [firstpage_image] =>[orig_patent_app_number] => 11169066 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/169066
Valve-lift device for the variable control of gas-exchange valves of an internal combustion engine Jun 26, 2005 Issued
Array ( [id] => 325381 [patent_doc_number] => 07513230 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-04-07 [patent_title] => 'Camshaft adjusting device' [patent_app_type] => utility [patent_app_number] => 10/578527 [patent_app_country] => US [patent_app_date] => 2005-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 5345 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/513/07513230.pdf [firstpage_image] =>[orig_patent_app_number] => 10578527 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/578527
Camshaft adjusting device Jun 26, 2005 Issued
Array ( [id] => 7210142 [patent_doc_number] => 20050252473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-17 [patent_title] => 'Metering socket' [patent_app_type] => utility [patent_app_number] => 11/166629 [patent_app_country] => US [patent_app_date] => 2005-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 67 [patent_figures_cnt] => 67 [patent_no_of_words] => 16661 [patent_no_of_claims] => 21 [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/A1/0252/20050252473.pdf [firstpage_image] =>[orig_patent_app_number] => 11166629 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/166629
Metering socket Jun 23, 2005 Issued
Array ( [id] => 4906377 [patent_doc_number] => 20080017143 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-24 [patent_title] => 'Valve Timing Control Apparatus' [patent_app_type] => utility [patent_app_number] => 11/629978 [patent_app_country] => US [patent_app_date] => 2005-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3530 [patent_no_of_claims] => 7 [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/A1/0017/20080017143.pdf [firstpage_image] =>[orig_patent_app_number] => 11629978 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/629978
Valve timing control apparatus Jun 20, 2005 Issued
Array ( [id] => 660178 [patent_doc_number] => 07100553 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-05 [patent_title] => 'Actuator for valve lift control device having cam mechanism' [patent_app_type] => utility [patent_app_number] => 11/156487 [patent_app_country] => US [patent_app_date] => 2005-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 6188 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/100/07100553.pdf [firstpage_image] =>[orig_patent_app_number] => 11156487 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/156487
Actuator for valve lift control device having cam mechanism Jun 20, 2005 Issued
Array ( [id] => 6928270 [patent_doc_number] => 20050279302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-12-22 [patent_title] => 'Engine with variable valve timing' [patent_app_type] => utility [patent_app_number] => 11/157748 [patent_app_country] => US [patent_app_date] => 2005-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1969 [patent_no_of_claims] => 7 [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/A1/0279/20050279302.pdf [firstpage_image] =>[orig_patent_app_number] => 11157748 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/157748
Engine with variable valve timing Jun 19, 2005 Issued
Array ( [id] => 577400 [patent_doc_number] => 07434557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-14 [patent_title] => 'Hydraulic valve clearance compensation element' [patent_app_type] => utility [patent_app_number] => 11/632811 [patent_app_country] => US [patent_app_date] => 2005-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3576 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/434/07434557.pdf [firstpage_image] =>[orig_patent_app_number] => 11632811 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/632811
Hydraulic valve clearance compensation element Jun 17, 2005 Issued
Array ( [id] => 5723360 [patent_doc_number] => 20060054120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-03-16 [patent_title] => 'Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit' [patent_app_type] => utility [patent_app_number] => 11/154568 [patent_app_country] => US [patent_app_date] => 2005-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4337 [patent_no_of_claims] => 5 [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/A1/0054/20060054120.pdf [firstpage_image] =>[orig_patent_app_number] => 11154568 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/154568
Internal combustion engine having valves with variable actuation each provided with a hydraulic tappet at the outside of the associated actuating unit Jun 16, 2005 Issued
Array ( [id] => 4985194 [patent_doc_number] => 20070151531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Electromagnetically driven valve' [patent_app_type] => utility [patent_app_number] => 10/586779 [patent_app_country] => US [patent_app_date] => 2005-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5839 [patent_no_of_claims] => 3 [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/A1/0151/20070151531.pdf [firstpage_image] =>[orig_patent_app_number] => 10586779 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/586779
Electromagnetically driven valve Jun 15, 2005 Issued
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