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] => 10039776 [patent_doc_number] => 09080475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-14 [patent_title] => 'Valve timing control device and valve timing control mechanism' [patent_app_type] => utility [patent_app_number] => 14/131102 [patent_app_country] => US [patent_app_date] => 2012-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 23 [patent_no_of_words] => 9960 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 462 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14131102 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/131102
Valve timing control device and valve timing control mechanism Jun 14, 2012 Issued
Array ( [id] => 9487414 [patent_doc_number] => 20140137820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-22 [patent_title] => 'ELECTROMAGNETIC ACTUATING DEVICE AND CAMSHAFT ADJUSTER' [patent_app_type] => utility [patent_app_number] => 14/127993 [patent_app_country] => US [patent_app_date] => 2012-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4347 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14127993 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/127993
Electromagnetic actuating device and camshaft adjuster Jun 14, 2012 Issued
Array ( [id] => 9955844 [patent_doc_number] => 09004026 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-14 [patent_title] => 'Internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/523550 [patent_app_country] => US [patent_app_date] => 2012-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2327 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13523550 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/523550
Internal combustion engine Jun 13, 2012 Issued
Array ( [id] => 9480924 [patent_doc_number] => 08726864 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-05-20 [patent_title] => 'Engine that actively varies compression expansion ratio' [patent_app_type] => utility [patent_app_number] => 13/488975 [patent_app_country] => US [patent_app_date] => 2012-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3998 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13488975 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/488975
Engine that actively varies compression expansion ratio Jun 4, 2012 Issued
Array ( [id] => 11790454 [patent_doc_number] => 09400039 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-07-26 [patent_title] => 'Camshaft adjuster' [patent_app_type] => utility [patent_app_number] => 14/233956 [patent_app_country] => US [patent_app_date] => 2012-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3069 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14233956 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/233956
Camshaft adjuster May 22, 2012 Issued
Array ( [id] => 9215001 [patent_doc_number] => 08627794 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-01-14 [patent_title] => 'Fluid brake device and variable valve timing apparatus' [patent_app_type] => utility [patent_app_number] => 13/472838 [patent_app_country] => US [patent_app_date] => 2012-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 11094 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13472838 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/472838
Fluid brake device and variable valve timing apparatus May 15, 2012 Issued
Array ( [id] => 9759971 [patent_doc_number] => 08844282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Exhaust-gas turbocharger having a ball-cock waste-gate valve with a stress-relieved crank arm' [patent_app_type] => utility [patent_app_number] => 14/122767 [patent_app_country] => US [patent_app_date] => 2012-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3672 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14122767 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122767
Exhaust-gas turbocharger having a ball-cock waste-gate valve with a stress-relieved crank arm May 8, 2012 Issued
Array ( [id] => 9151735 [patent_doc_number] => 08584631 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-19 [patent_title] => 'Continuously variable valve lift system with default mechanism' [patent_app_type] => utility [patent_app_number] => 13/461064 [patent_app_country] => US [patent_app_date] => 2012-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3453 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13461064 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/461064
Continuously variable valve lift system with default mechanism Apr 30, 2012 Issued
Array ( [id] => 10149540 [patent_doc_number] => 09181820 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-10 [patent_title] => 'Valve mechanism for internal combustion engine and control device for valve mechanism' [patent_app_type] => utility [patent_app_number] => 14/396499 [patent_app_country] => US [patent_app_date] => 2012-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 6161 [patent_no_of_claims] => 4 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14396499 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/396499
Valve mechanism for internal combustion engine and control device for valve mechanism Apr 26, 2012 Issued
Array ( [id] => 9830312 [patent_doc_number] => 08939119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-27 [patent_title] => 'Camshaft adjustment device' [patent_app_type] => utility [patent_app_number] => 14/122389 [patent_app_country] => US [patent_app_date] => 2012-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3635 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14122389 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/122389
Camshaft adjustment device Apr 17, 2012 Issued
Array ( [id] => 10051349 [patent_doc_number] => 09091218 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-28 [patent_title] => 'Valve train and method for control time variation' [patent_app_type] => utility [patent_app_number] => 14/009840 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 5385 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14009840 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/009840
Valve train and method for control time variation Apr 9, 2012 Issued
Array ( [id] => 8320417 [patent_doc_number] => 20120192819 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/443395 [patent_app_country] => US [patent_app_date] => 2012-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 44943 [patent_no_of_claims] => 20 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13443395 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/443395
Valve timing control apparatus for internal combustion engine Apr 9, 2012 Issued
Array ( [id] => 9151744 [patent_doc_number] => 08584640 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-11-19 [patent_title] => 'Finger follower of a valve train' [patent_app_type] => utility [patent_app_number] => 13/440680 [patent_app_country] => US [patent_app_date] => 2012-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3891 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 328 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13440680 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/440680
Finger follower of a valve train Apr 4, 2012 Issued
Array ( [id] => 10057855 [patent_doc_number] => 09097204 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-04 [patent_title] => 'Cylinder head configuration for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/003270 [patent_app_country] => US [patent_app_date] => 2012-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3147 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14003270 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/003270
Cylinder head configuration for internal combustion engine Mar 29, 2012 Issued
Array ( [id] => 9927278 [patent_doc_number] => 20150075470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-19 [patent_title] => 'MECHANICAL LASH ADJUSTER' [patent_app_type] => utility [patent_app_number] => 14/385427 [patent_app_country] => US [patent_app_date] => 2012-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 13599 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14385427 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/385427
Mechanical lash adjuster Mar 15, 2012 Issued
Array ( [id] => 9208651 [patent_doc_number] => 20140007828 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'CAMSHAFT ASSEMBLY AND METHOD FOR PRODUCING A CAMSHAFT ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/005755 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4631 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14005755 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005755
Camshaft assembly and method for producing a camshaft assembly Mar 11, 2012 Issued
Array ( [id] => 8403457 [patent_doc_number] => 20120235518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'Oscillating Motor Adjuster' [patent_app_type] => utility [patent_app_number] => 13/417440 [patent_app_country] => US [patent_app_date] => 2012-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3534 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13417440 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/417440
Oscillating Motor Adjuster Mar 11, 2012 Abandoned
Array ( [id] => 8389862 [patent_doc_number] => 20120227697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-13 [patent_title] => 'VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/412158 [patent_app_country] => US [patent_app_date] => 2012-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4460 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13412158 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/412158
Valve drive for an internal combustion engine Mar 4, 2012 Issued
Array ( [id] => 9920656 [patent_doc_number] => 08978605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-17 [patent_title] => 'Phase-adjusting device of a camshaft for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/126182 [patent_app_country] => US [patent_app_date] => 2012-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1887 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14126182 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/126182
Phase-adjusting device of a camshaft for an internal combustion engine Feb 26, 2012 Issued
Array ( [id] => 9208650 [patent_doc_number] => 20140007827 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'CAMSHAFT ADJUSTER' [patent_app_type] => utility [patent_app_number] => 14/004536 [patent_app_country] => US [patent_app_date] => 2012-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2574 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14004536 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/004536
Camshaft adjuster Feb 22, 2012 Issued
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