Search

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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 344009 [patent_doc_number] => 07497193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-03 [patent_title] => 'Rotor of a camshaft adjuster' [patent_app_type] => utility [patent_app_number] => 11/655767 [patent_app_country] => US [patent_app_date] => 2007-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 19 [patent_no_of_words] => 6102 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/497/07497193.pdf [firstpage_image] =>[orig_patent_app_number] => 11655767 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/655767
Rotor of a camshaft adjuster Jan 17, 2007 Issued
Array ( [id] => 60636 [patent_doc_number] => 07757646 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-07-20 [patent_title] => 'Camshaft support structure of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/886878 [patent_app_country] => US [patent_app_date] => 2007-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 8935 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/757/07757646.pdf [firstpage_image] =>[orig_patent_app_number] => 11886878 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/886878
Camshaft support structure of an internal combustion engine Jan 17, 2007 Issued
Array ( [id] => 5156692 [patent_doc_number] => 20070169736 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-26 [patent_title] => 'Valve timing mechanism of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/654809 [patent_app_country] => US [patent_app_date] => 2007-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3553 [patent_no_of_claims] => 9 [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/A1/0169/20070169736.pdf [firstpage_image] =>[orig_patent_app_number] => 11654809 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/654809
Valve timing mechanism of an internal combustion engine Jan 17, 2007 Issued
Array ( [id] => 7525921 [patent_doc_number] => 08042508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-10-25 [patent_title] => 'Camshaft support structure for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 12/087475 [patent_app_country] => US [patent_app_date] => 2007-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 8451 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/08/042/08042508.pdf [firstpage_image] =>[orig_patent_app_number] => 12087475 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/087475
Camshaft support structure for internal combustion engine Jan 17, 2007 Issued
Array ( [id] => 554626 [patent_doc_number] => 07461620 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-12-09 [patent_title] => 'Variable valve actuation device of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/653877 [patent_app_country] => US [patent_app_date] => 2007-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6153 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/461/07461620.pdf [firstpage_image] =>[orig_patent_app_number] => 11653877 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/653877
Variable valve actuation device of internal combustion engine Jan 16, 2007 Issued
Array ( [id] => 5511242 [patent_doc_number] => 20090211546 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-08-27 [patent_title] => 'Method and Device for the Operation of a Valve of the Combustion Chamber of a Combustion Engine, and a Combustion Engine' [patent_app_type] => utility [patent_app_number] => 12/160966 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6697 [patent_no_of_claims] => 23 [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/A1/0211/20090211546.pdf [firstpage_image] =>[orig_patent_app_number] => 12160966 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/160966
Method and device for the operation of a valve of the combustion chamber of a combustion engine, and a combustion engine Jan 15, 2007 Issued
Array ( [id] => 891940 [patent_doc_number] => 07341033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-03-11 [patent_title] => 'Cylinder head cover' [patent_app_type] => utility [patent_app_number] => 11/653269 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3960 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/341/07341033.pdf [firstpage_image] =>[orig_patent_app_number] => 11653269 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/653269
Cylinder head cover Jan 15, 2007 Issued
Array ( [id] => 372351 [patent_doc_number] => 07472670 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-06 [patent_title] => 'Valve timing controller' [patent_app_type] => utility [patent_app_number] => 11/653377 [patent_app_country] => US [patent_app_date] => 2007-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6691 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/472/07472670.pdf [firstpage_image] =>[orig_patent_app_number] => 11653377 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/653377
Valve timing controller Jan 15, 2007 Issued
Array ( [id] => 183016 [patent_doc_number] => 07647904 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-19 [patent_title] => 'Variable cam phaser apparatus' [patent_app_type] => utility [patent_app_number] => 11/652396 [patent_app_country] => US [patent_app_date] => 2007-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1731 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/647/07647904.pdf [firstpage_image] =>[orig_patent_app_number] => 11652396 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/652396
Variable cam phaser apparatus Jan 10, 2007 Issued
Array ( [id] => 4924473 [patent_doc_number] => 20080163836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-07-10 [patent_title] => 'Camshaft phaser having dual counter-threaded helical mechanisms' [patent_app_type] => utility [patent_app_number] => 11/651749 [patent_app_country] => US [patent_app_date] => 2007-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2922 [patent_no_of_claims] => 12 [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/A1/0163/20080163836.pdf [firstpage_image] =>[orig_patent_app_number] => 11651749 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/651749
Camshaft phaser having dual counter-threaded helical mechanisms Jan 9, 2007 Abandoned
Array ( [id] => 325364 [patent_doc_number] => 07513227 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2009-04-07 [patent_title] => 'Valve timing control device' [patent_app_type] => utility [patent_app_number] => 11/649820 [patent_app_country] => US [patent_app_date] => 2007-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8300 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/513/07513227.pdf [firstpage_image] =>[orig_patent_app_number] => 11649820 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/649820
Valve timing control device Jan 4, 2007 Issued
Array ( [id] => 4985193 [patent_doc_number] => 20070151530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Camshaft' [patent_app_type] => utility [patent_app_number] => 11/649918 [patent_app_country] => US [patent_app_date] => 2007-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3243 [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/A1/0151/20070151530.pdf [firstpage_image] =>[orig_patent_app_number] => 11649918 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/649918
Camshaft Jan 3, 2007 Issued
Array ( [id] => 4690616 [patent_doc_number] => 20080083386 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-04-10 [patent_title] => 'Variable valve lift follower for vehicle' [patent_app_type] => utility [patent_app_number] => 11/648876 [patent_app_country] => US [patent_app_date] => 2006-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1613 [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/A1/0083/20080083386.pdf [firstpage_image] =>[orig_patent_app_number] => 11648876 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/648876
Variable valve lift follower for vehicle Dec 28, 2006 Abandoned
Array ( [id] => 802293 [patent_doc_number] => 07421993 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-09 [patent_title] => 'Variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 11/648248 [patent_app_country] => US [patent_app_date] => 2006-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2873 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/421/07421993.pdf [firstpage_image] =>[orig_patent_app_number] => 11648248 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/648248
Variable valve lift apparatus Dec 28, 2006 Issued
Array ( [id] => 375975 [patent_doc_number] => 07311073 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2007-12-25 [patent_title] => 'Continuous variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 11/648738 [patent_app_country] => US [patent_app_date] => 2006-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1510 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/311/07311073.pdf [firstpage_image] =>[orig_patent_app_number] => 11648738 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/648738
Continuous variable valve lift apparatus Dec 28, 2006 Issued
Array ( [id] => 4484845 [patent_doc_number] => 07954468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-07 [patent_title] => 'Mechanical adjuster' [patent_app_type] => utility [patent_app_number] => 12/515408 [patent_app_country] => US [patent_app_date] => 2006-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 12187 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/954/07954468.pdf [firstpage_image] =>[orig_patent_app_number] => 12515408 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/515408
Mechanical adjuster Dec 27, 2006 Issued
Array ( [id] => 223751 [patent_doc_number] => 07603975 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-20 [patent_title] => 'Valve timing controller' [patent_app_type] => utility [patent_app_number] => 11/645621 [patent_app_country] => US [patent_app_date] => 2006-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 37 [patent_no_of_words] => 16709 [patent_no_of_claims] => 35 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/603/07603975.pdf [firstpage_image] =>[orig_patent_app_number] => 11645621 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/645621
Valve timing controller Dec 26, 2006 Issued
Array ( [id] => 914862 [patent_doc_number] => 07322327 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-01-29 [patent_title] => 'Lubrication structure of camshaft with variable valve timing' [patent_app_type] => utility [patent_app_number] => 11/646106 [patent_app_country] => US [patent_app_date] => 2006-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4439 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/322/07322327.pdf [firstpage_image] =>[orig_patent_app_number] => 11646106 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/646106
Lubrication structure of camshaft with variable valve timing Dec 25, 2006 Issued
Array ( [id] => 235507 [patent_doc_number] => 07594485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-29 [patent_title] => 'Valve actuation system for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/645158 [patent_app_country] => US [patent_app_date] => 2006-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5142 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/594/07594485.pdf [firstpage_image] =>[orig_patent_app_number] => 11645158 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/645158
Valve actuation system for internal combustion engine Dec 25, 2006 Issued
Array ( [id] => 910948 [patent_doc_number] => 07325523 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-05 [patent_title] => 'Valve timing gear of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/615099 [patent_app_country] => US [patent_app_date] => 2006-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3029 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/325/07325523.pdf [firstpage_image] =>[orig_patent_app_number] => 11615099 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/615099
Valve timing gear of an internal combustion engine Dec 21, 2006 Issued
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