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] => 9666900 [patent_doc_number] => 20140230763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'ELECTRONIC COMPONENT ACCOMMODATION MEMBER AND VALVE TIMING CONTROL DEVICE EQUIPPED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 13/958712 [patent_app_country] => US [patent_app_date] => 2013-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8728 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13958712 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/958712
Electronic component accommodation member and valve timing control device equipped with the same Aug 4, 2013 Issued
Array ( [id] => 9290367 [patent_doc_number] => 20140034001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-06 [patent_title] => 'VARIABLE VALVE ACTUATION SYSTEM CONFIGURATIONS' [patent_app_type] => utility [patent_app_number] => 13/957565 [patent_app_country] => US [patent_app_date] => 2013-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10735 [patent_no_of_claims] => 14 [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] => 13957565 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/957565
VARIABLE VALVE ACTUATION SYSTEM CONFIGURATIONS Aug 1, 2013 Abandoned
Array ( [id] => 9948936 [patent_doc_number] => 08997706 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-07 [patent_title] => 'Internal combustion engine valve actuation control arrangement' [patent_app_type] => utility [patent_app_number] => 13/952634 [patent_app_country] => US [patent_app_date] => 2013-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 6367 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13952634 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/952634
Internal combustion engine valve actuation control arrangement Jul 27, 2013 Issued
Array ( [id] => 9302930 [patent_doc_number] => 20140041604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-13 [patent_title] => 'SECURING DEVICE FOR AN ACTUATING LEVER' [patent_app_type] => utility [patent_app_number] => 13/951696 [patent_app_country] => US [patent_app_date] => 2013-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1504 [patent_no_of_claims] => 14 [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] => 13951696 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/951696
SECURING DEVICE FOR AN ACTUATING LEVER Jul 25, 2013 Abandoned
Array ( [id] => 9276867 [patent_doc_number] => 20140026835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-30 [patent_title] => 'HYDRAULIC CAMSHAFT PHASER' [patent_app_type] => utility [patent_app_number] => 13/951045 [patent_app_country] => US [patent_app_date] => 2013-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2581 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13951045 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/951045
Hydraulic camshaft phaser Jul 24, 2013 Issued
Array ( [id] => 11205612 [patent_doc_number] => 09435231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-06 [patent_title] => 'Method for operating an internal combustion engine with electrohydraulic valve control means' [patent_app_type] => utility [patent_app_number] => 14/416422 [patent_app_country] => US [patent_app_date] => 2013-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1594 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14416422 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/416422
Method for operating an internal combustion engine with electrohydraulic valve control means Jul 23, 2013 Issued
Array ( [id] => 9290365 [patent_doc_number] => 20140033999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-06 [patent_title] => 'VALVE TIMING CONTROL DEVICE' [patent_app_type] => utility [patent_app_number] => 13/946073 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15485 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 8 [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] => 13946073 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/946073
Valve timing control device Jul 18, 2013 Issued
Array ( [id] => 9366377 [patent_doc_number] => 20140076250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-20 [patent_title] => 'VALVE TIMING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 13/946396 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11323 [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] =>[firstpage_image] =>[orig_patent_app_number] => 13946396 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/946396
Valve timing control apparatus Jul 18, 2013 Issued
Array ( [id] => 10829232 [patent_doc_number] => 08857388 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-10-14 [patent_title] => 'Valve open/close timing control system' [patent_app_type] => utility [patent_app_number] => 13/946319 [patent_app_country] => US [patent_app_date] => 2013-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10558 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13946319 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/946319
Valve open/close timing control system Jul 18, 2013 Issued
Array ( [id] => 10299556 [patent_doc_number] => 20150184555 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'CAMSHAFT' [patent_app_type] => utility [patent_app_number] => 14/415525 [patent_app_country] => US [patent_app_date] => 2013-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3154 [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] => 14415525 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/415525
Camshaft Jul 17, 2013 Issued
Array ( [id] => 10523192 [patent_doc_number] => 09249694 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-02 [patent_title] => 'Radial camshaft pressure medium transfer' [patent_app_type] => utility [patent_app_number] => 14/405119 [patent_app_country] => US [patent_app_date] => 2013-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 11581 [patent_no_of_claims] => 13 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14405119 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/405119
Radial camshaft pressure medium transfer Jul 8, 2013 Issued
Array ( [id] => 9131101 [patent_doc_number] => 20130291814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-07 [patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 13/933787 [patent_app_country] => US [patent_app_date] => 2013-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 42945 [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] => 13933787 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/933787
Valve timing control apparatus for internal combustion engine Jul 1, 2013 Issued
Array ( [id] => 11305358 [patent_doc_number] => 09512745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-12-06 [patent_title] => 'Valve bridge' [patent_app_type] => utility [patent_app_number] => 14/411524 [patent_app_country] => US [patent_app_date] => 2013-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 4599 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14411524 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/411524
Valve bridge Jun 30, 2013 Issued
Array ( [id] => 10299559 [patent_doc_number] => 20150184558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-07-02 [patent_title] => 'ACTUATOR FOR AXIAL DISPLACEMENT OF A GAS EXCHANGE VALVE IN A COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/408625 [patent_app_country] => US [patent_app_date] => 2013-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3845 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14408625 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/408625
Actuator for axial displacement of a gas exchange valve in a combustion engine Jun 25, 2013 Issued
Array ( [id] => 10542285 [patent_doc_number] => 09267401 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-02-23 [patent_title] => 'Valve timing controller' [patent_app_type] => utility [patent_app_number] => 14/403426 [patent_app_country] => US [patent_app_date] => 2013-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 5134 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14403426 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/403426
Valve timing controller Jun 19, 2013 Issued
Array ( [id] => 10229335 [patent_doc_number] => 20150114329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'VALVE TIMING CONTROLLER' [patent_app_type] => utility [patent_app_number] => 14/405288 [patent_app_country] => US [patent_app_date] => 2013-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7047 [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] => 14405288 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/405288
Valve timing controller Jun 3, 2013 Issued
Array ( [id] => 10229105 [patent_doc_number] => 20150114097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-30 [patent_title] => 'METHOD FOR IDENTIFYING THE EDGES ON A CAMSHAFT TARGET' [patent_app_type] => utility [patent_app_number] => 14/404651 [patent_app_country] => US [patent_app_date] => 2013-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4090 [patent_no_of_claims] => 18 [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] => 14404651 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/404651
Method for identifying the edges on a camshaft target Jun 3, 2013 Issued
Array ( [id] => 9579955 [patent_doc_number] => 08769950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-07-08 [patent_title] => 'Axial turbine' [patent_app_type] => utility [patent_app_number] => 13/908892 [patent_app_country] => US [patent_app_date] => 2013-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7350 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13908892 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/908892
Axial turbine Jun 2, 2013 Issued
Array ( [id] => 9063852 [patent_doc_number] => 20130255608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-10-03 [patent_title] => 'PRESSURE ACCUMULATOR OF A HYDRAULIC ACTUATING SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/899796 [patent_app_country] => US [patent_app_date] => 2013-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1117 [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] => 13899796 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/899796
PRESSURE ACCUMULATOR OF A HYDRAULIC ACTUATING SYSTEM May 21, 2013 Abandoned
Array ( [id] => 9674797 [patent_doc_number] => 08813697 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-08-26 [patent_title] => 'Air spring system for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/900020 [patent_app_country] => US [patent_app_date] => 2013-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 6055 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13900020 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/900020
Air spring system for an internal combustion engine May 21, 2013 Issued
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