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] => 10077763 [patent_doc_number] => 09115607 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-25 [patent_title] => 'Pivot foot for deactivating rocker arm' [patent_app_type] => utility [patent_app_number] => 14/097589 [patent_app_country] => US [patent_app_date] => 2013-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 4914 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14097589 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/097589
Pivot foot for deactivating rocker arm Dec 4, 2013 Issued
Array ( [id] => 9760175 [patent_doc_number] => 08844486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-30 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => utility [patent_app_number] => 14/093620 [patent_app_country] => US [patent_app_date] => 2013-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 13 [patent_no_of_words] => 6384 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 493 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14093620 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/093620
Valve timing control apparatus Dec 1, 2013 Issued
Array ( [id] => 9379904 [patent_doc_number] => 20140083385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'CAMSHAFT PHASER WITH COAXIAL CONTROL VALVES' [patent_app_type] => utility [patent_app_number] => 14/091693 [patent_app_country] => US [patent_app_date] => 2013-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 9551 [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] => 14091693 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/091693
Camshaft phaser with coaxial control valves Nov 26, 2013 Issued
Array ( [id] => 10460330 [patent_doc_number] => 20150345345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-03 [patent_title] => 'ELECTRIC MOTOR DRIVEN SIMPLE PLANETARY CAM PHASER' [patent_app_type] => utility [patent_app_number] => 14/648098 [patent_app_country] => US [patent_app_date] => 2013-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2538 [patent_no_of_claims] => 15 [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] => 14648098 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/648098
Electric motor driven simple planetary cam phaser Nov 21, 2013 Issued
Array ( [id] => 9904473 [patent_doc_number] => 20150059673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-05 [patent_title] => 'CONTINUOUSLY VARIABLE VALVE LIFT ACTUATOR OF ENGINE' [patent_app_type] => utility [patent_app_number] => 14/085409 [patent_app_country] => US [patent_app_date] => 2013-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 5547 [patent_no_of_claims] => 9 [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] => 14085409 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/085409
Continuously variable valve lift actuator of engine Nov 19, 2013 Issued
Array ( [id] => 9981823 [patent_doc_number] => 09027519 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-12 [patent_title] => 'Valve timing control apparatus of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/080077 [patent_app_country] => US [patent_app_date] => 2013-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 14119 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 368 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14080077 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/080077
Valve timing control apparatus of internal combustion engine Nov 13, 2013 Issued
Array ( [id] => 9379902 [patent_doc_number] => 20140083383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-27 [patent_title] => 'VALVE TIMING CONTROL APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/074825 [patent_app_country] => US [patent_app_date] => 2013-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 19944 [patent_no_of_claims] => 11 [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] => 14074825 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/074825
Valve timing control apparatus Nov 7, 2013 Issued
Array ( [id] => 9708519 [patent_doc_number] => 08833075 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-09-16 [patent_title] => 'Method and system adjusting an exhaust heat recovery valve' [patent_app_type] => utility [patent_app_number] => 14/068449 [patent_app_country] => US [patent_app_date] => 2013-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8371 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14068449 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/068449
Method and system adjusting an exhaust heat recovery valve Oct 30, 2013 Issued
Array ( [id] => 9459497 [patent_doc_number] => 20140123922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/065753 [patent_app_country] => US [patent_app_date] => 2013-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 9755 [patent_no_of_claims] => 15 [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] => 14065753 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/065753
Valve timing control apparatus for internal combustion engine Oct 28, 2013 Issued
Array ( [id] => 9326768 [patent_doc_number] => 20140053550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-27 [patent_title] => 'TWIN SCROLL TURBOCHARGER WITH EGR TAKEOFFS' [patent_app_type] => utility [patent_app_number] => 14/066239 [patent_app_country] => US [patent_app_date] => 2013-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7485 [patent_no_of_claims] => 6 [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] => 14066239 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/066239
Twin scroll turbocharger with EGR takeoffs Oct 28, 2013 Issued
Array ( [id] => 10415202 [patent_doc_number] => 20150300212 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-22 [patent_title] => 'CAMSHAFT ADJUSTING DEVICE AND CENTRAL VALVE FOR A CAMSHAFT ADJUSTING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/443488 [patent_app_country] => US [patent_app_date] => 2013-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3455 [patent_no_of_claims] => 9 [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] => 14443488 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/443488
Camshaft adjusting device and central valve for a camshaft adjusting device Oct 27, 2013 Issued
Array ( [id] => 9315685 [patent_doc_number] => 20140048023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-20 [patent_title] => 'FEED FORWARD CONTROL FOR ELECTRIC VARIABLE VALVE OPERATION' [patent_app_type] => utility [patent_app_number] => 14/063791 [patent_app_country] => US [patent_app_date] => 2013-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7163 [patent_no_of_claims] => 19 [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] => 14063791 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/063791
Feed forward control for electric variable valve operation Oct 24, 2013 Issued
Array ( [id] => 10874418 [patent_doc_number] => 08899199 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-12-02 [patent_title] => 'Camshaft phaser and lock pin thereof' [patent_app_type] => utility [patent_app_number] => 14/062105 [patent_app_country] => US [patent_app_date] => 2013-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5496 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14062105 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/062105
Camshaft phaser and lock pin thereof Oct 23, 2013 Issued
Array ( [id] => 9431946 [patent_doc_number] => 20140109852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-24 [patent_title] => 'APPARATUS FOR ACTUATING AT LEAST ONE OUTLET VALVE OF A VALVE-CONTROLLED INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/059936 [patent_app_country] => US [patent_app_date] => 2013-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5176 [patent_no_of_claims] => 18 [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] => 14059936 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/059936
Apparatus for actuating at least one outlet valve of a valve-controlled internal combustion engine Oct 21, 2013 Issued
Array ( [id] => 11923245 [patent_doc_number] => 09790817 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-17 [patent_title] => 'Tensioner with increased damping' [patent_app_type] => utility [patent_app_number] => 14/437310 [patent_app_country] => US [patent_app_date] => 2013-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 30 [patent_no_of_words] => 6139 [patent_no_of_claims] => 20 [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] => 14437310 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/437310
Tensioner with increased damping Oct 21, 2013 Issued
Array ( [id] => 10163042 [patent_doc_number] => 09194262 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-24 [patent_title] => 'Multi-valve actuating valve bridge' [patent_app_type] => utility [patent_app_number] => 14/053792 [patent_app_country] => US [patent_app_date] => 2013-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2895 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14053792 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/053792
Multi-valve actuating valve bridge Oct 14, 2013 Issued
Array ( [id] => 9302934 [patent_doc_number] => 20140041608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-02-13 [patent_title] => 'SWITCHING ROCKER ARM' [patent_app_type] => utility [patent_app_number] => 14/049460 [patent_app_country] => US [patent_app_date] => 2013-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 6533 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [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] => 14049460 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/049460
Switching rocker arm Oct 8, 2013 Issued
Array ( [id] => 10836049 [patent_doc_number] => 08863714 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2014-10-21 [patent_title] => 'Camshaft assembly' [patent_app_type] => utility [patent_app_number] => 14/047494 [patent_app_country] => US [patent_app_date] => 2013-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 9781 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14047494 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/047494
Camshaft assembly Oct 6, 2013 Issued
Array ( [id] => 10071120 [patent_doc_number] => 09109469 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-08-18 [patent_title] => 'Apparatus for actuating valves in vehicles in variable valve control manner' [patent_app_type] => utility [patent_app_number] => 14/046305 [patent_app_country] => US [patent_app_date] => 2013-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3917 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14046305 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/046305
Apparatus for actuating valves in vehicles in variable valve control manner Oct 3, 2013 Issued
Array ( [id] => 9994006 [patent_doc_number] => 09038588 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-26 [patent_title] => 'Continuously variable valve lift mechanism' [patent_app_type] => utility [patent_app_number] => 14/044908 [patent_app_country] => US [patent_app_date] => 2013-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2559 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14044908 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/044908
Continuously variable valve lift mechanism Oct 2, 2013 Issued
Menu