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] => 9208654 [patent_doc_number] => 20140007831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-01-09 [patent_title] => 'CAMSHAFT ADJUSTER' [patent_app_type] => utility [patent_app_number] => 14/005894 [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] => 3615 [patent_no_of_claims] => 11 [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] => 14005894 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/005894
Camshaft adjuster Feb 22, 2012 Issued
Array ( [id] => 9170702 [patent_doc_number] => 20130312685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-11-28 [patent_title] => 'TIMING CHAIN DRIVE DEVICE' [patent_app_type] => utility [patent_app_number] => 13/983896 [patent_app_country] => US [patent_app_date] => 2012-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4131 [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] => 13983896 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/983896
Timing chain drive device Feb 21, 2012 Issued
Array ( [id] => 9399705 [patent_doc_number] => 08689750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-08 [patent_title] => 'Camshaft phasing device' [patent_app_type] => utility [patent_app_number] => 13/372971 [patent_app_country] => US [patent_app_date] => 2012-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3308 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13372971 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/372971
Camshaft phasing device Feb 13, 2012 Issued
Array ( [id] => 9366383 [patent_doc_number] => 20140076256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-03-20 [patent_title] => 'CONSTRUCTED SLIDE CAM UNIT' [patent_app_type] => utility [patent_app_number] => 14/116188 [patent_app_country] => US [patent_app_date] => 2012-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1893 [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] => 14116188 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/116188
Constructed slide cam unit Feb 8, 2012 Issued
Array ( [id] => 9309869 [patent_doc_number] => 08651079 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-02-18 [patent_title] => 'Deactivating hydraulic valve lash adjuster/compensator with temporary lash compensation deactivation' [patent_app_type] => utility [patent_app_number] => 13/356832 [patent_app_country] => US [patent_app_date] => 2012-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 106 [patent_no_of_words] => 8640 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13356832 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/356832
Deactivating hydraulic valve lash adjuster/compensator with temporary lash compensation deactivation Jan 23, 2012 Issued
Array ( [id] => 8924726 [patent_doc_number] => 20130180487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'ENGINE DRIVE SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/351070 [patent_app_country] => US [patent_app_date] => 2012-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3830 [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] => 13351070 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/351070
Engine drive system Jan 15, 2012 Issued
Array ( [id] => 10033187 [patent_doc_number] => 09074495 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Mechanically controllable valve-train assembly' [patent_app_type] => utility [patent_app_number] => 13/980575 [patent_app_country] => US [patent_app_date] => 2012-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2668 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13980575 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/980575
Mechanically controllable valve-train assembly Jan 12, 2012 Issued
Array ( [id] => 9848650 [patent_doc_number] => 08950371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-02-10 [patent_title] => 'Three-shaft transmission having an elastic coupling element' [patent_app_type] => utility [patent_app_number] => 13/981656 [patent_app_country] => US [patent_app_date] => 2011-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2641 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13981656 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/981656
Three-shaft transmission having an elastic coupling element Dec 21, 2011 Issued
Array ( [id] => 10149591 [patent_doc_number] => 09181871 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-11-10 [patent_title] => 'Indirectly heated gas turbine system' [patent_app_type] => utility [patent_app_number] => 13/994987 [patent_app_country] => US [patent_app_date] => 2011-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 5110 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13994987 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/994987
Indirectly heated gas turbine system Dec 14, 2011 Issued
Array ( [id] => 9411514 [patent_doc_number] => 08695548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2014-04-15 [patent_title] => 'Valve timing control apparatus' [patent_app_type] => utility [patent_app_number] => 13/313209 [patent_app_country] => US [patent_app_date] => 2011-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 12097 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 439 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13313209 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/313209
Valve timing control apparatus Dec 6, 2011 Issued
Array ( [id] => 9975700 [patent_doc_number] => 09022000 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-05-05 [patent_title] => 'Valve timing control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 14/241978 [patent_app_country] => US [patent_app_date] => 2011-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3821 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14241978 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/241978
Valve timing control device for internal combustion engine Nov 30, 2011 Issued
Array ( [id] => 9024670 [patent_doc_number] => 08534243 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2013-09-17 [patent_title] => 'Internal combustion engine with masking wall the curtain area of the intake valves' [patent_app_type] => utility [patent_app_number] => 13/303920 [patent_app_country] => US [patent_app_date] => 2011-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 5452 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 474 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13303920 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/303920
Internal combustion engine with masking wall the curtain area of the intake valves Nov 22, 2011 Issued
Array ( [id] => 9037280 [patent_doc_number] => 20130239918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-09-19 [patent_title] => 'CONTROL APPARATUS FOR VARIABLE VALVE ACTUATION SYSTEM AND CONTROL METHOD FOR VARIABLE VALVE ACTUATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 13/988628 [patent_app_country] => US [patent_app_date] => 2011-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 8538 [patent_no_of_claims] => 11 [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] => 13988628 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/988628
Control apparatus for variable valve actuation system and control method for variable valve actuation system Nov 21, 2011 Issued
Array ( [id] => 9826777 [patent_doc_number] => 08935999 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-01-20 [patent_title] => 'Control device for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/580530 [patent_app_country] => US [patent_app_date] => 2011-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 12343 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13580530 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/580530
Control device for internal combustion engine Nov 9, 2011 Issued
Array ( [id] => 7786667 [patent_doc_number] => 20120048223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-03-01 [patent_title] => 'ROCKER ARM APPARATUS FOR ENGINE CYLINDER DEACTIVATION' [patent_app_type] => utility [patent_app_number] => 13/290871 [patent_app_country] => US [patent_app_date] => 2011-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7249 [patent_no_of_claims] => 16 [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] => publications/A1/0048/20120048223.pdf [firstpage_image] =>[orig_patent_app_number] => 13290871 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/290871
Rocker arm apparatus for engine cylinder deactivation Nov 6, 2011 Issued
Array ( [id] => 7748671 [patent_doc_number] => 20120024256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY' [patent_app_type] => utility [patent_app_number] => 13/269890 [patent_app_country] => US [patent_app_date] => 2011-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3060 [patent_no_of_claims] => 16 [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] => publications/A1/0024/20120024256.pdf [firstpage_image] =>[orig_patent_app_number] => 13269890 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/269890
Engine cover having a retainer to secure an engine accessory Oct 9, 2011 Issued
Array ( [id] => 8924727 [patent_doc_number] => 20130180486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-07-18 [patent_title] => 'VARIABLE CAMSHAFT TIMING MECHANISM WITH A DEFAULT MODE' [patent_app_type] => utility [patent_app_number] => 13/876217 [patent_app_country] => US [patent_app_date] => 2011-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 18518 [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] => 13876217 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/876217
Variable camshaft timing mechanism with a default mode Sep 29, 2011 Issued
Array ( [id] => 10097462 [patent_doc_number] => 09133766 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-15 [patent_title] => 'Internal combustion engine' [patent_app_type] => utility [patent_app_number] => 13/877557 [patent_app_country] => US [patent_app_date] => 2011-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 1906 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13877557 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/877557
Internal combustion engine Sep 28, 2011 Issued
Array ( [id] => 10169839 [patent_doc_number] => 09200542 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-01 [patent_title] => 'Camshaft adjuster having a restoring spring' [patent_app_type] => utility [patent_app_number] => 13/994854 [patent_app_country] => US [patent_app_date] => 2011-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2378 [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] => 13994854 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/994854
Camshaft adjuster having a restoring spring Sep 18, 2011 Issued
Array ( [id] => 10033188 [patent_doc_number] => 09074496 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-07-07 [patent_title] => 'Electromagnetic actuating device' [patent_app_type] => utility [patent_app_number] => 13/989716 [patent_app_country] => US [patent_app_date] => 2011-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2718 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13989716 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/989716
Electromagnetic actuating device Sep 14, 2011 Issued
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