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] => 5729435 [patent_doc_number] => 20060254549 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'HYDRAULIC TAPPET CLEARANCE COMPENSATION DEVICE' [patent_app_type] => utility [patent_app_number] => 11/382287 [patent_app_country] => US [patent_app_date] => 2006-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2136 [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/A1/0254/20060254549.pdf [firstpage_image] =>[orig_patent_app_number] => 11382287 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/382287
Hydraulic tappet clearance compensation device May 8, 2006 Issued
Array ( [id] => 381999 [patent_doc_number] => 07305944 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Control strategy for hydraulically-switched engine mechanisms' [patent_app_type] => utility [patent_app_number] => 11/429009 [patent_app_country] => US [patent_app_date] => 2006-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2779 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/305/07305944.pdf [firstpage_image] =>[orig_patent_app_number] => 11429009 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/429009
Control strategy for hydraulically-switched engine mechanisms May 4, 2006 Issued
Array ( [id] => 5729432 [patent_doc_number] => 20060254546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-16 [patent_title] => 'Valve actuation device of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/418199 [patent_app_country] => US [patent_app_date] => 2006-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7695 [patent_no_of_claims] => 18 [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/A1/0254/20060254546.pdf [firstpage_image] =>[orig_patent_app_number] => 11418199 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/418199
Valve actuation device of internal combustion engine May 4, 2006 Issued
Array ( [id] => 287789 [patent_doc_number] => 07546823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-06-16 [patent_title] => 'Variable overhead valve control for engines' [patent_app_type] => utility [patent_app_number] => 11/418360 [patent_app_country] => US [patent_app_date] => 2006-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 7162 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/546/07546823.pdf [firstpage_image] =>[orig_patent_app_number] => 11418360 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/418360
Variable overhead valve control for engines May 3, 2006 Issued
Array ( [id] => 577376 [patent_doc_number] => 07434555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-10-14 [patent_title] => 'V type internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/380318 [patent_app_country] => US [patent_app_date] => 2006-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4781 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/434/07434555.pdf [firstpage_image] =>[orig_patent_app_number] => 11380318 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/380318
V type internal combustion engine Apr 25, 2006 Issued
Array ( [id] => 443418 [patent_doc_number] => 07252058 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-07 [patent_title] => 'Lift-variable valve-operating system for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/405678 [patent_app_country] => US [patent_app_date] => 2006-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4233 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/252/07252058.pdf [firstpage_image] =>[orig_patent_app_number] => 11405678 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/405678
Lift-variable valve-operating system for internal combustion engine Apr 17, 2006 Issued
Array ( [id] => 5333623 [patent_doc_number] => 20090050087 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-02-26 [patent_title] => 'Valve Mechanism for Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 11/918476 [patent_app_country] => US [patent_app_date] => 2006-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 21564 [patent_no_of_claims] => 25 [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/A1/0050/20090050087.pdf [firstpage_image] =>[orig_patent_app_number] => 11918476 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/918476
Valve Mechanism for Internal Combustion Engine Apr 17, 2006 Abandoned
Array ( [id] => 7525918 [patent_doc_number] => 08042505 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-25 [patent_title] => 'Internal combustion engine comprising a variable valve drive' [patent_app_type] => utility [patent_app_number] => 11/911719 [patent_app_country] => US [patent_app_date] => 2006-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 13888 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/042/08042505.pdf [firstpage_image] =>[orig_patent_app_number] => 11911719 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/911719
Internal combustion engine comprising a variable valve drive Apr 17, 2006 Issued
Array ( [id] => 130066 [patent_doc_number] => 07694659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-13 [patent_title] => 'Rocker arm' [patent_app_type] => utility [patent_app_number] => 11/918447 [patent_app_country] => US [patent_app_date] => 2006-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 4898 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/694/07694659.pdf [firstpage_image] =>[orig_patent_app_number] => 11918447 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/918447
Rocker arm Apr 13, 2006 Issued
Array ( [id] => 306275 [patent_doc_number] => 07530338 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-05-12 [patent_title] => 'Valvetrain system for an engine' [patent_app_type] => utility [patent_app_number] => 11/279621 [patent_app_country] => US [patent_app_date] => 2006-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 2625 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/530/07530338.pdf [firstpage_image] =>[orig_patent_app_number] => 11279621 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/279621
Valvetrain system for an engine Apr 12, 2006 Issued
Array ( [id] => 8844444 [patent_doc_number] => 08453613 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-06-04 [patent_title] => 'Valve actuation system with valve seating control' [patent_app_type] => utility [patent_app_number] => 11/401260 [patent_app_country] => US [patent_app_date] => 2006-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4030 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 11401260 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/401260
Valve actuation system with valve seating control Apr 10, 2006 Issued
Array ( [id] => 891941 [patent_doc_number] => 07341034 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-11 [patent_title] => 'Hydraulic tappet' [patent_app_type] => utility [patent_app_number] => 11/399609 [patent_app_country] => US [patent_app_date] => 2006-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 10778 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/341/07341034.pdf [firstpage_image] =>[orig_patent_app_number] => 11399609 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/399609
Hydraulic tappet Apr 6, 2006 Issued
Array ( [id] => 379308 [patent_doc_number] => 07308875 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-18 [patent_title] => 'Intake control apparatus of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/398559 [patent_app_country] => US [patent_app_date] => 2006-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7319 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/308/07308875.pdf [firstpage_image] =>[orig_patent_app_number] => 11398559 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/398559
Intake control apparatus of internal combustion engine Apr 5, 2006 Issued
Array ( [id] => 4809757 [patent_doc_number] => 20080190388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-08-14 [patent_title] => 'Camshaft Adjuster' [patent_app_type] => utility [patent_app_number] => 11/913572 [patent_app_country] => US [patent_app_date] => 2006-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4813 [patent_no_of_claims] => 8 [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/A1/0190/20080190388.pdf [firstpage_image] =>[orig_patent_app_number] => 11913572 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/913572
Camshaft adjuster Apr 4, 2006 Issued
Array ( [id] => 5168041 [patent_doc_number] => 20070068472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-29 [patent_title] => 'Variable Valve Operating System for an Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 11/277526 [patent_app_country] => US [patent_app_date] => 2006-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1486 [patent_no_of_claims] => 4 [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/A1/0068/20070068472.pdf [firstpage_image] =>[orig_patent_app_number] => 11277526 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/277526
Variable Valve Operating System for an Internal Combustion Engine Mar 26, 2006 Abandoned
Array ( [id] => 862261 [patent_doc_number] => 07367296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-05-06 [patent_title] => 'Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/390887 [patent_app_country] => US [patent_app_date] => 2006-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 7858 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/367/07367296.pdf [firstpage_image] =>[orig_patent_app_number] => 11390887 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/390887
Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine Mar 26, 2006 Issued
Array ( [id] => 453273 [patent_doc_number] => 07243629 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-07-17 [patent_title] => 'Hydraulic valve lifter assembly' [patent_app_type] => utility [patent_app_number] => 11/390409 [patent_app_country] => US [patent_app_date] => 2006-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 14 [patent_no_of_words] => 2647 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/243/07243629.pdf [firstpage_image] =>[orig_patent_app_number] => 11390409 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/390409
Hydraulic valve lifter assembly Mar 26, 2006 Issued
Array ( [id] => 5622072 [patent_doc_number] => 20060260577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-11-23 [patent_title] => 'Valve timing control apparatus and internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/389020 [patent_app_country] => US [patent_app_date] => 2006-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 11643 [patent_no_of_claims] => 31 [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/A1/0260/20060260577.pdf [firstpage_image] =>[orig_patent_app_number] => 11389020 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/389020
Valve timing control apparatus and internal combustion engine Mar 26, 2006 Abandoned
Array ( [id] => 139047 [patent_doc_number] => 07685976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-30 [patent_title] => 'Induction tuning using multiple intake valve lift events' [patent_app_type] => utility [patent_app_number] => 11/389568 [patent_app_country] => US [patent_app_date] => 2006-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3587 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/685/07685976.pdf [firstpage_image] =>[orig_patent_app_number] => 11389568 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/389568
Induction tuning using multiple intake valve lift events Mar 23, 2006 Issued
11/277439 HIGH STIFFNESS LOW MASS ROCKER ARM Mar 23, 2006 Abandoned
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