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] => 11583480 [patent_doc_number] => 09638109 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-02 [patent_title] => 'Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/220645 [patent_app_country] => US [patent_app_date] => 2014-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 15862 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 465 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220645 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/220645
Valve timing control system for internal combustion engine and lock release mechanism of valve timing control apparatus for internal combustion engine Mar 19, 2014 Issued
Array ( [id] => 10122987 [patent_doc_number] => 09157340 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-13 [patent_title] => 'Dual feed hydraulic lash adjuster for valve actuating mechanism' [patent_app_type] => utility [patent_app_number] => 14/220227 [patent_app_country] => US [patent_app_date] => 2014-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3261 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220227 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/220227
Dual feed hydraulic lash adjuster for valve actuating mechanism Mar 19, 2014 Issued
Array ( [id] => 11257226 [patent_doc_number] => 09482120 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-01 [patent_title] => 'Retention device for valve actuating mechanism' [patent_app_type] => utility [patent_app_number] => 14/220191 [patent_app_country] => US [patent_app_date] => 2014-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 3980 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14220191 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/220191
Retention device for valve actuating mechanism Mar 19, 2014 Issued
Array ( [id] => 11464471 [patent_doc_number] => 09581092 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-02-28 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/779222 [patent_app_country] => US [patent_app_date] => 2014-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5954 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14779222 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/779222
Control device for internal combustion engine Mar 17, 2014 Issued
Array ( [id] => 9942065 [patent_doc_number] => 08991351 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-31 [patent_title] => 'Needle roller cam follower for higher mileage applications of light, medium and heavy duty vehicles' [patent_app_type] => utility [patent_app_number] => 14/211916 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3282 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14211916 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/211916
Needle roller cam follower for higher mileage applications of light, medium and heavy duty vehicles Mar 13, 2014 Issued
Array ( [id] => 10671627 [patent_doc_number] => 20160017772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-21 [patent_title] => 'VALVE OPENING/CLOSING TIMING CONTROL DEVICE, AND PRODUCTION METHOD FOR DRIVE SIDE ROTATIONAL BODY OF VALVE OPENING/CLOSING TIMING CONTROL DEVICE' [patent_app_type] => utility [patent_app_number] => 14/774067 [patent_app_country] => US [patent_app_date] => 2014-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5294 [patent_no_of_claims] => 5 [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] => 14774067 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/774067
VALVE OPENING/CLOSING TIMING CONTROL DEVICE, AND PRODUCTION METHOD FOR DRIVE SIDE ROTATIONAL BODY OF VALVE OPENING/CLOSING TIMING CONTROL DEVICE Mar 13, 2014 Abandoned
Array ( [id] => 12017483 [patent_doc_number] => 09810177 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-11-07 [patent_title] => 'Internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/760069 [patent_app_country] => US [patent_app_date] => 2014-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4509 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14760069 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/760069
Internal combustion engine Mar 11, 2014 Issued
Array ( [id] => 11298379 [patent_doc_number] => 09506379 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-29 [patent_title] => 'Concentric camshaft phaser' [patent_app_type] => utility [patent_app_number] => 14/201214 [patent_app_country] => US [patent_app_date] => 2014-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 3196 [patent_no_of_claims] => 19 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14201214 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/201214
Concentric camshaft phaser Mar 6, 2014 Issued
Array ( [id] => 10064401 [patent_doc_number] => 09103236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-11 [patent_title] => 'Cam follower' [patent_app_type] => utility [patent_app_number] => 14/193328 [patent_app_country] => US [patent_app_date] => 2014-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1756 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [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] => 14193328 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/193328
Cam follower Feb 27, 2014 Issued
Array ( [id] => 9666902 [patent_doc_number] => 20140230765 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-21 [patent_title] => 'VALVE COVER' [patent_app_type] => utility [patent_app_number] => 14/185015 [patent_app_country] => US [patent_app_date] => 2014-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6371 [patent_no_of_claims] => 16 [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] => 14185015 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/185015
Valve cover Feb 19, 2014 Issued
Array ( [id] => 9681564 [patent_doc_number] => 20140238326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-28 [patent_title] => 'VALVE OPERATING DEVICE OF ENGINE' [patent_app_type] => utility [patent_app_number] => 14/184346 [patent_app_country] => US [patent_app_date] => 2014-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8803 [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] => 14184346 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/184346
Valve operating device of engine Feb 18, 2014 Issued
Array ( [id] => 9533449 [patent_doc_number] => 20140158095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-06-12 [patent_title] => 'CONDENSATE MANAGEMENT FOR MOTOR-VEHICLE COMPRESSED AIR STORAGE SYSTEMS' [patent_app_type] => utility [patent_app_number] => 14/183141 [patent_app_country] => US [patent_app_date] => 2014-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10094 [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] => 14183141 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/183141
Condensate management for motor-vehicle compressed air storage systems Feb 17, 2014 Issued
Array ( [id] => 9653192 [patent_doc_number] => 20140224197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-14 [patent_title] => 'VALVE TIMING CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/178989 [patent_app_country] => US [patent_app_date] => 2014-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 9081 [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] => 14178989 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/178989
Valve timing control system for internal combustion engine Feb 11, 2014 Issued
Array ( [id] => 11357870 [patent_doc_number] => 09534515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-03 [patent_title] => 'Camshaft phaser' [patent_app_type] => utility [patent_app_number] => 14/786883 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3908 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14786883 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/786883
Camshaft phaser Feb 10, 2014 Issued
Array ( [id] => 12368934 [patent_doc_number] => 09957849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-05-01 [patent_title] => Camshaft adjuster [patent_app_type] => utility [patent_app_number] => 14/784363 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2027 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14784363 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/784363
Camshaft adjuster Feb 10, 2014 Issued
Array ( [id] => 10723077 [patent_doc_number] => 20160069224 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-10 [patent_title] => 'CAMSHAFT ADJUSTING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/779457 [patent_app_country] => US [patent_app_date] => 2014-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1984 [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] => 14779457 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/779457
Camshaft adjusting device Feb 10, 2014 Issued
Array ( [id] => 9962689 [patent_doc_number] => 09010291 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Lash adjuster' [patent_app_type] => utility [patent_app_number] => 14/175670 [patent_app_country] => US [patent_app_date] => 2014-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3571 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14175670 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/175670
Lash adjuster Feb 6, 2014 Issued
Array ( [id] => 9887304 [patent_doc_number] => 08973546 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-10 [patent_title] => 'Lash adjuster' [patent_app_type] => utility [patent_app_number] => 14/175560 [patent_app_country] => US [patent_app_date] => 2014-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3513 [patent_no_of_claims] => 6 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14175560 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/175560
Lash adjuster Feb 6, 2014 Issued
Array ( [id] => 10622153 [patent_doc_number] => 09341090 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-05-17 [patent_title] => 'Oscillating-motor camshaft adjuster having a hydraulic valve' [patent_app_type] => utility [patent_app_number] => 14/174594 [patent_app_country] => US [patent_app_date] => 2014-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5691 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14174594 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/174594
Oscillating-motor camshaft adjuster having a hydraulic valve Feb 5, 2014 Issued
Array ( [id] => 9638263 [patent_doc_number] => 20140216372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'VALVE TIMING CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/173291 [patent_app_country] => US [patent_app_date] => 2014-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 13214 [patent_no_of_claims] => 7 [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] => 14173291 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/173291
Valve timing control system of internal combustion engine Feb 4, 2014 Issued
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