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] => 7215126 [patent_doc_number] => 20040154568 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-08-12 [patent_title] => 'Valve timing adjusting system' [patent_app_type] => new [patent_app_number] => 10/771304 [patent_app_country] => US [patent_app_date] => 2004-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 14600 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0154/20040154568.pdf [firstpage_image] =>[orig_patent_app_number] => 10771304 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/771304
Valve timing adjusting system Feb 4, 2004 Abandoned
Array ( [id] => 7433659 [patent_doc_number] => 20040194747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-07 [patent_title] => 'Engine valve actuator assembly' [patent_app_type] => new [patent_app_number] => 10/771279 [patent_app_country] => US [patent_app_date] => 2004-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3988 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0194/20040194747.pdf [firstpage_image] =>[orig_patent_app_number] => 10771279 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/771279
Engine valve actuator assembly Feb 2, 2004 Issued
Array ( [id] => 7359971 [patent_doc_number] => 20040216707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-04 [patent_title] => 'Intake valve control system and method for internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/763416 [patent_app_country] => US [patent_app_date] => 2004-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 9855 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0216/20040216707.pdf [firstpage_image] =>[orig_patent_app_number] => 10763416 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/763416
Intake valve control system and method for internal combustion engine Jan 25, 2004 Issued
Array ( [id] => 927721 [patent_doc_number] => 07314026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-01 [patent_title] => 'Electronic valve actuator having hydraulic displacement amplifier' [patent_app_type] => utility [patent_app_number] => 10/761865 [patent_app_country] => US [patent_app_date] => 2004-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4419 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/314/07314026.pdf [firstpage_image] =>[orig_patent_app_number] => 10761865 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/761865
Electronic valve actuator having hydraulic displacement amplifier Jan 20, 2004 Issued
Array ( [id] => 389181 [patent_doc_number] => 07299774 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-27 [patent_title] => 'Valve control' [patent_app_type] => utility [patent_app_number] => 10/513358 [patent_app_country] => US [patent_app_date] => 2004-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 3843 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/299/07299774.pdf [firstpage_image] =>[orig_patent_app_number] => 10513358 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/513358
Valve control Jan 20, 2004 Issued
Array ( [id] => 5868062 [patent_doc_number] => 20060162679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-07-27 [patent_title] => 'ASSEMBLY AND TORSIONAL STOP DEVICE FOR ROLLER TAPPETS OF A DRIVE IN AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 10/547056 [patent_app_country] => US [patent_app_date] => 2004-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2789 [patent_no_of_claims] => 6 [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/A1/0162/20060162679.pdf [firstpage_image] =>[orig_patent_app_number] => 10547056 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/547056
Assembly and torsional stop device for roller tappets of a drive in an internal combustion engine Jan 15, 2004 Issued
Array ( [id] => 1044867 [patent_doc_number] => 06863038 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-03-08 [patent_title] => 'Valve driving apparatus and internal combustion engine including the same' [patent_app_type] => utility [patent_app_number] => 10/746898 [patent_app_country] => US [patent_app_date] => 2003-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 6961 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/863/06863038.pdf [firstpage_image] =>[orig_patent_app_number] => 10746898 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/746898
Valve driving apparatus and internal combustion engine including the same Dec 23, 2003 Issued
Array ( [id] => 518898 [patent_doc_number] => 07178489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-02-20 [patent_title] => 'Variable valve system of internal combustion engine and hydraulic actuator' [patent_app_type] => utility [patent_app_number] => 10/550726 [patent_app_country] => US [patent_app_date] => 2003-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 6239 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/178/07178489.pdf [firstpage_image] =>[orig_patent_app_number] => 10550726 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/550726
Variable valve system of internal combustion engine and hydraulic actuator Dec 14, 2003 Issued
Array ( [id] => 1030191 [patent_doc_number] => 06882878 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-19 [patent_title] => 'Restraining apparatus and method for use in imaging procedures' [patent_app_type] => utility [patent_app_number] => 10/736189 [patent_app_country] => US [patent_app_date] => 2003-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 5468 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/882/06882878.pdf [firstpage_image] =>[orig_patent_app_number] => 10736189 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/736189
Restraining apparatus and method for use in imaging procedures Dec 14, 2003 Issued
Array ( [id] => 484557 [patent_doc_number] => 07213550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-05-08 [patent_title] => 'Internal combustion engine and valve timing control method' [patent_app_type] => utility [patent_app_number] => 10/732483 [patent_app_country] => US [patent_app_date] => 2003-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 8136 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/213/07213550.pdf [firstpage_image] =>[orig_patent_app_number] => 10732483 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/732483
Internal combustion engine and valve timing control method Dec 10, 2003 Issued
Array ( [id] => 986696 [patent_doc_number] => 06920851 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-26 [patent_title] => 'Variable valve control apparatus for internal combustion engine and method thereof' [patent_app_type] => utility [patent_app_number] => 10/730012 [patent_app_country] => US [patent_app_date] => 2003-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 5565 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/920/06920851.pdf [firstpage_image] =>[orig_patent_app_number] => 10730012 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/730012
Variable valve control apparatus for internal combustion engine and method thereof Dec 8, 2003 Issued
Array ( [id] => 992471 [patent_doc_number] => 06915768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-07-12 [patent_title] => 'Variable operating valve apparatus for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/728822 [patent_app_country] => US [patent_app_date] => 2003-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6462 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/915/06915768.pdf [firstpage_image] =>[orig_patent_app_number] => 10728822 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/728822
Variable operating valve apparatus for an internal combustion engine Dec 7, 2003 Issued
Array ( [id] => 7167062 [patent_doc_number] => 20050120986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-09 [patent_title] => 'System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/726688 [patent_app_country] => US [patent_app_date] => 2003-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1812 [patent_no_of_claims] => 15 [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/A1/0120/20050120986.pdf [firstpage_image] =>[orig_patent_app_number] => 10726688 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/726688
System and method for preventing piston-valve collision on a non-freewheeling internal combustion engine Dec 3, 2003 Issued
Array ( [id] => 427267 [patent_doc_number] => 07267088 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-09-11 [patent_title] => 'Valve-driving system of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/725427 [patent_app_country] => US [patent_app_date] => 2003-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 28 [patent_no_of_words] => 16403 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/267/07267088.pdf [firstpage_image] =>[orig_patent_app_number] => 10725427 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/725427
Valve-driving system of internal combustion engine Dec 2, 2003 Issued
Array ( [id] => 7394037 [patent_doc_number] => 20040103869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-06-03 [patent_title] => 'Lock-pin cartridge for a valve deactivation rocker arm assembly' [patent_app_type] => new [patent_app_number] => 10/721033 [patent_app_country] => US [patent_app_date] => 2003-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3156 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0103/20040103869.pdf [firstpage_image] =>[orig_patent_app_number] => 10721033 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/721033
Lock-pin cartridge for a valve deactivation rocker arm assembly Nov 23, 2003 Issued
Array ( [id] => 7445577 [patent_doc_number] => 20040099231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-27 [patent_title] => 'Engine with variable valve mechanism' [patent_app_type] => new [patent_app_number] => 10/719447 [patent_app_country] => US [patent_app_date] => 2003-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1906 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0099/20040099231.pdf [firstpage_image] =>[orig_patent_app_number] => 10719447 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/719447
Engine with variable valve mechanism Nov 20, 2003 Issued
Array ( [id] => 7445580 [patent_doc_number] => 20040099232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-05-27 [patent_title] => 'Torsional assisted multi-position cam indexer having controls located in rotor' [patent_app_type] => new [patent_app_number] => 10/714159 [patent_app_country] => US [patent_app_date] => 2003-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4089 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0099/20040099232.pdf [firstpage_image] =>[orig_patent_app_number] => 10714159 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714159
Torsional assisted multi-position cam indexer having controls located in rotor Nov 13, 2003 Issued
Array ( [id] => 7100208 [patent_doc_number] => 20050103291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Computer readable storage medium for use with engine having variable valve actuator during degradation' [patent_app_type] => utility [patent_app_number] => 10/714682 [patent_app_country] => US [patent_app_date] => 2003-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6810 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0103/20050103291.pdf [firstpage_image] =>[orig_patent_app_number] => 10714682 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714682
Computer readable storage medium for use with engine having variable valve actuator during degradation Nov 12, 2003 Issued
Array ( [id] => 7100207 [patent_doc_number] => 20050103290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-19 [patent_title] => 'Computer readable storage medium for use with engine having variable valve actuator' [patent_app_type] => utility [patent_app_number] => 10/714167 [patent_app_country] => US [patent_app_date] => 2003-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6723 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0103/20050103290.pdf [firstpage_image] =>[orig_patent_app_number] => 10714167 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/714167
Computer readable storage medium for use with engine having variable valve actuator Nov 12, 2003 Issued
Array ( [id] => 6902740 [patent_doc_number] => 20050098135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'Engine valve actuator assembly' [patent_app_type] => utility [patent_app_number] => 10/706069 [patent_app_country] => US [patent_app_date] => 2003-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4657 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0098/20050098135.pdf [firstpage_image] =>[orig_patent_app_number] => 10706069 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/706069
Engine valve actuator assembly Nov 11, 2003 Issued
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