Search

Ching Chang

Examiner (ID: 13656, 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] => 10367848 [patent_doc_number] => 20150252853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-09-10 [patent_title] => 'MOTOR' [patent_app_type] => utility [patent_app_number] => 14/640443 [patent_app_country] => US [patent_app_date] => 2015-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4923 [patent_no_of_claims] => 7 [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] => 14640443 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/640443
Motor Mar 5, 2015 Issued
Array ( [id] => 10291443 [patent_doc_number] => 20150176441 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-06-25 [patent_title] => 'VARIABLE CAM TIMING SYSTEM AND METHOD' [patent_app_type] => utility [patent_app_number] => 14/639493 [patent_app_country] => US [patent_app_date] => 2015-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6421 [patent_no_of_claims] => 12 [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] => 14639493 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/639493
Variable cam timing system and method Mar 4, 2015 Issued
Array ( [id] => 10390703 [patent_doc_number] => 20150275710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-01 [patent_title] => 'CONTROL SYSTEM FOR ENGINE' [patent_app_type] => utility [patent_app_number] => 14/637273 [patent_app_country] => US [patent_app_date] => 2015-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 15050 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14637273 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/637273
Control system for engine Mar 2, 2015 Issued
Array ( [id] => 12113227 [patent_doc_number] => 09869212 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-01-16 [patent_title] => 'Columnar hydraulic tappet' [patent_app_type] => utility [patent_app_number] => 15/025068 [patent_app_country] => US [patent_app_date] => 2015-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3756 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 327 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15025068 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/025068
Columnar hydraulic tappet Feb 25, 2015 Issued
Array ( [id] => 10355669 [patent_doc_number] => 20150240674 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-27 [patent_title] => 'MODULAR ELECTRICALLY ACTUATED CAMSHAFT PHASER' [patent_app_type] => utility [patent_app_number] => 14/621799 [patent_app_country] => US [patent_app_date] => 2015-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4340 [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] => 14621799 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/621799
Modular electrically actuated camshaft phaser Feb 12, 2015 Issued
Array ( [id] => 11487537 [patent_doc_number] => 09593603 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-03-14 [patent_title] => 'Camshaft phase adjuster including a camshaft with helical grooves' [patent_app_type] => utility [patent_app_number] => 14/619752 [patent_app_country] => US [patent_app_date] => 2015-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 2332 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14619752 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/619752
Camshaft phase adjuster including a camshaft with helical grooves Feb 10, 2015 Issued
Array ( [id] => 10333971 [patent_doc_number] => 20150218975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-06 [patent_title] => 'CAMSHAFT PHASER' [patent_app_type] => utility [patent_app_number] => 14/609545 [patent_app_country] => US [patent_app_date] => 2015-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4560 [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] => 14609545 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/609545
Camshaft phaser Jan 29, 2015 Issued
Array ( [id] => 11122731 [patent_doc_number] => 20160319705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-03 [patent_title] => 'ADJUSTABLE VALVE DEVICE OF INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/030417 [patent_app_country] => US [patent_app_date] => 2015-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 8946 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15030417 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/030417
Adjustable valve device of internal combustion engine Jan 21, 2015 Issued
Array ( [id] => 11620432 [patent_doc_number] => 20170130619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-05-11 [patent_title] => 'CAMSHAFT ADJUSTING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/126956 [patent_app_country] => US [patent_app_date] => 2015-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5658 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15126956 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/126956
Camshaft adjusting device Jan 13, 2015 Issued
Array ( [id] => 11763365 [patent_doc_number] => 09371746 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-06-21 [patent_title] => 'Bearing member for valve gear' [patent_app_type] => utility [patent_app_number] => 14/595585 [patent_app_country] => US [patent_app_date] => 2015-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 3619 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14595585 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/595585
Bearing member for valve gear Jan 12, 2015 Issued
Array ( [id] => 11357868 [patent_doc_number] => 09534513 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-03 [patent_title] => 'Camshaft phaser actuated by an electric motor' [patent_app_type] => utility [patent_app_number] => 14/595265 [patent_app_country] => US [patent_app_date] => 2015-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3677 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14595265 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/595265
Camshaft phaser actuated by an electric motor Jan 12, 2015 Issued
Array ( [id] => 14120411 [patent_doc_number] => 10247056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-02 [patent_title] => Camshaft adjusting device [patent_app_type] => utility [patent_app_number] => 15/126954 [patent_app_country] => US [patent_app_date] => 2015-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5699 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15126954 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/126954
Camshaft adjusting device Jan 11, 2015 Issued
Array ( [id] => 11543089 [patent_doc_number] => 20170096915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-06 [patent_title] => 'CAMSHAFT ADJUSTING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/126948 [patent_app_country] => US [patent_app_date] => 2015-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5234 [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] =>[firstpage_image] =>[orig_patent_app_number] => 15126948 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/126948
Camshaft adjusting device Jan 11, 2015 Issued
Array ( [id] => 13676405 [patent_doc_number] => 20160376936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => HYDRAULIC LASH ADJUSTER [patent_app_type] => utility [patent_app_number] => 15/111072 [patent_app_country] => US [patent_app_date] => 2015-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3663 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15111072 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/111072
Hydraulic lash adjuster Jan 5, 2015 Issued
Array ( [id] => 10222548 [patent_doc_number] => 20150107541 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-23 [patent_title] => 'IMPACT DAMPENING TAPPET' [patent_app_type] => utility [patent_app_number] => 14/585031 [patent_app_country] => US [patent_app_date] => 2014-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4870 [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] => 14585031 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/585031
Impact dampening tappet Dec 28, 2014 Issued
Array ( [id] => 11284421 [patent_doc_number] => 09500269 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-22 [patent_title] => 'Cam follower for rocker arm and cam follower device' [patent_app_type] => utility [patent_app_number] => 14/576508 [patent_app_country] => US [patent_app_date] => 2014-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4573 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14576508 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/576508
Cam follower for rocker arm and cam follower device Dec 18, 2014 Issued
Array ( [id] => 12017482 [patent_doc_number] => 09810176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-07 [patent_title] => 'Unitary composite cam cover and carrier and assembly method' [patent_app_type] => utility [patent_app_number] => 14/576599 [patent_app_country] => US [patent_app_date] => 2014-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 4622 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14576599 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/576599
Unitary composite cam cover and carrier and assembly method Dec 18, 2014 Issued
Array ( [id] => 11443916 [patent_doc_number] => 20170044937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'HYDRAULIC LASH ADJUSTER' [patent_app_type] => utility [patent_app_number] => 15/306432 [patent_app_country] => US [patent_app_date] => 2014-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7952 [patent_no_of_claims] => 5 [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] => 15306432 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/306432
Hydraulic lash adjuster Dec 8, 2014 Issued
Array ( [id] => 10608611 [patent_doc_number] => 09328636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-03 [patent_title] => 'Oil pressure control valve and valve timing controller' [patent_app_type] => utility [patent_app_number] => 14/563019 [patent_app_country] => US [patent_app_date] => 2014-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6981 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14563019 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/563019
Oil pressure control valve and valve timing controller Dec 7, 2014 Issued
Array ( [id] => 11964281 [patent_doc_number] => 20170268434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-21 [patent_title] => 'A METHOD OF CONTROLLING AN OPERATION OF AN INLET VALVE SYSTEM AND AN INLET VALVE CONTROL SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/532237 [patent_app_country] => US [patent_app_date] => 2014-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7881 [patent_no_of_claims] => 22 [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] => 15532237 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/532237
Method of controlling an operation of an inlet valve system and an inlet valve control system Dec 7, 2014 Issued
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