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] => 4549612 [patent_doc_number] => 07845321 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-12-07 [patent_title] => 'Controller for vane-type variable timing adjusting mechanism' [patent_app_type] => utility [patent_app_number] => 12/065366 [patent_app_country] => US [patent_app_date] => 2007-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 11881 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/845/07845321.pdf [firstpage_image] =>[orig_patent_app_number] => 12065366 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/065366
Controller for vane-type variable timing adjusting mechanism Apr 22, 2007 Issued
Array ( [id] => 5222214 [patent_doc_number] => 20070251480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'Valve mechanism of engine' [patent_app_type] => utility [patent_app_number] => 11/790050 [patent_app_country] => US [patent_app_date] => 2007-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4222 [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] => publications/A1/0251/20070251480.pdf [firstpage_image] =>[orig_patent_app_number] => 11790050 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/790050
Valve mechanism of engine Apr 22, 2007 Issued
Array ( [id] => 869495 [patent_doc_number] => 07360515 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-04-22 [patent_title] => 'Control apparatus for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/785819 [patent_app_country] => US [patent_app_date] => 2007-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 14686 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/360/07360515.pdf [firstpage_image] =>[orig_patent_app_number] => 11785819 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/785819
Control apparatus for an internal combustion engine Apr 19, 2007 Issued
Array ( [id] => 50757 [patent_doc_number] => 07765964 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-08-03 [patent_title] => 'Variable valve operating device, control method of variable valve operating device, and vehicle equipped with variable valve operating device' [patent_app_type] => utility [patent_app_number] => 12/084825 [patent_app_country] => US [patent_app_date] => 2007-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10167 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/765/07765964.pdf [firstpage_image] =>[orig_patent_app_number] => 12084825 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/084825
Variable valve operating device, control method of variable valve operating device, and vehicle equipped with variable valve operating device Apr 18, 2007 Issued
Array ( [id] => 5245068 [patent_doc_number] => 20070241302 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-18 [patent_title] => 'Valve Assembly' [patent_app_type] => utility [patent_app_number] => 11/735410 [patent_app_country] => US [patent_app_date] => 2007-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6502 [patent_no_of_claims] => 8 [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/A1/0241/20070241302.pdf [firstpage_image] =>[orig_patent_app_number] => 11735410 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/735410
Valve Assembly Apr 12, 2007 Abandoned
Array ( [id] => 4862637 [patent_doc_number] => 20080141958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-19 [patent_title] => 'Variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 11/732999 [patent_app_country] => US [patent_app_date] => 2007-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1683 [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] => publications/A1/0141/20080141958.pdf [firstpage_image] =>[orig_patent_app_number] => 11732999 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/732999
Variable valve lift apparatus Apr 4, 2007 Issued
Array ( [id] => 5087839 [patent_doc_number] => 20070227478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Electro-hydraulic valve actuator with integral electric motor driven rotary control valve' [patent_app_type] => utility [patent_app_number] => 11/732070 [patent_app_country] => US [patent_app_date] => 2007-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4828 [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] => publications/A1/0227/20070227478.pdf [firstpage_image] =>[orig_patent_app_number] => 11732070 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/732070
Electro-hydraulic valve actuator with integral electric motor driven rotary control valve Apr 1, 2007 Issued
Array ( [id] => 5087846 [patent_doc_number] => 20070227485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-04 [patent_title] => 'Method and apparatus for adjusting engine valve clearance' [patent_app_type] => utility [patent_app_number] => 11/731137 [patent_app_country] => US [patent_app_date] => 2007-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3142 [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] => publications/A1/0227/20070227485.pdf [firstpage_image] =>[orig_patent_app_number] => 11731137 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/731137
Method and apparatus for adjusting engine valve clearance Mar 29, 2007 Issued
Array ( [id] => 5577954 [patent_doc_number] => 20090173300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-07-09 [patent_title] => 'CAM FOLLOWER DEVICE' [patent_app_type] => utility [patent_app_number] => 12/295056 [patent_app_country] => US [patent_app_date] => 2007-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 12547 [patent_no_of_claims] => 15 [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] => publications/A1/0173/20090173300.pdf [firstpage_image] =>[orig_patent_app_number] => 12295056 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/295056
CAM FOLLOWER DEVICE Mar 29, 2007 Abandoned
Array ( [id] => 245982 [patent_doc_number] => 07584731 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-08 [patent_title] => 'Camshaft adjuster for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/692607 [patent_app_country] => US [patent_app_date] => 2007-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3248 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/584/07584731.pdf [firstpage_image] =>[orig_patent_app_number] => 11692607 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/692607
Camshaft adjuster for an internal combustion engine Mar 27, 2007 Issued
Array ( [id] => 78352 [patent_doc_number] => 07743743 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-29 [patent_title] => 'Variable valve timing apparatus with reduced operation sound and control method thereof' [patent_app_type] => utility [patent_app_number] => 11/690157 [patent_app_country] => US [patent_app_date] => 2007-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 9508 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/743/07743743.pdf [firstpage_image] =>[orig_patent_app_number] => 11690157 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/690157
Variable valve timing apparatus with reduced operation sound and control method thereof Mar 22, 2007 Issued
Array ( [id] => 1407 [patent_doc_number] => 07814874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-19 [patent_title] => 'Controlling two cam phasers with one cam position sensor' [patent_app_type] => utility [patent_app_number] => 11/728332 [patent_app_country] => US [patent_app_date] => 2007-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2879 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/814/07814874.pdf [firstpage_image] =>[orig_patent_app_number] => 11728332 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/728332
Controlling two cam phasers with one cam position sensor Mar 22, 2007 Issued
Array ( [id] => 4736370 [patent_doc_number] => 20080230022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-09-25 [patent_title] => 'Rate limiting and balancing control system for dual independent camshaft phasing' [patent_app_type] => utility [patent_app_number] => 11/725768 [patent_app_country] => US [patent_app_date] => 2007-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4480 [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] => publications/A1/0230/20080230022.pdf [firstpage_image] =>[orig_patent_app_number] => 11725768 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/725768
Rate limiting and balancing control system for dual independent camshaft phasing Mar 19, 2007 Issued
Array ( [id] => 89211 [patent_doc_number] => 07730861 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-06-08 [patent_title] => 'Two-step rocker arm assembly' [patent_app_type] => utility [patent_app_number] => 11/685495 [patent_app_country] => US [patent_app_date] => 2007-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2033 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/730/07730861.pdf [firstpage_image] =>[orig_patent_app_number] => 11685495 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/685495
Two-step rocker arm assembly Mar 12, 2007 Issued
Array ( [id] => 5255990 [patent_doc_number] => 20070209622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-13 [patent_title] => 'Valve timing controller with a stopper' [patent_app_type] => utility [patent_app_number] => 11/714807 [patent_app_country] => US [patent_app_date] => 2007-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9894 [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] => publications/A1/0209/20070209622.pdf [firstpage_image] =>[orig_patent_app_number] => 11714807 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/714807
Valve timing controller with a stopper Mar 6, 2007 Issued
Array ( [id] => 880741 [patent_doc_number] => 07350487 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-04-01 [patent_title] => 'Method for reducing phaser rotational instability in an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/713908 [patent_app_country] => US [patent_app_date] => 2007-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 2770 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/350/07350487.pdf [firstpage_image] =>[orig_patent_app_number] => 11713908 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/713908
Method for reducing phaser rotational instability in an internal combustion engine Mar 4, 2007 Issued
Array ( [id] => 805000 [patent_doc_number] => 07418934 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-09-02 [patent_title] => 'Valve timing controller' [patent_app_type] => utility [patent_app_number] => 11/712587 [patent_app_country] => US [patent_app_date] => 2007-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5132 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/418/07418934.pdf [firstpage_image] =>[orig_patent_app_number] => 11712587 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/712587
Valve timing controller Feb 28, 2007 Issued
Array ( [id] => 828874 [patent_doc_number] => 07398751 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-15 [patent_title] => 'Control device for engine valve and control system for engine' [patent_app_type] => utility [patent_app_number] => 11/712518 [patent_app_country] => US [patent_app_date] => 2007-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 7657 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/398/07398751.pdf [firstpage_image] =>[orig_patent_app_number] => 11712518 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/712518
Control device for engine valve and control system for engine Feb 28, 2007 Issued
Array ( [id] => 10779 [patent_doc_number] => RE041758 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2010-09-28 [patent_title] => 'Internal combustion engine having a variable valve train' [patent_app_type] => reissue [patent_app_number] => 11/711826 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 19158 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/041/RE041758.pdf [firstpage_image] =>[orig_patent_app_number] => 11711826 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/711826
Internal combustion engine having a variable valve train Feb 27, 2007 Issued
Array ( [id] => 5128424 [patent_doc_number] => 20070204821 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-09-06 [patent_title] => 'Intake control apparatus for an engine and method' [patent_app_type] => utility [patent_app_number] => 11/712322 [patent_app_country] => US [patent_app_date] => 2007-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7934 [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] => publications/A1/0204/20070204821.pdf [firstpage_image] =>[orig_patent_app_number] => 11712322 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/712322
Intake control apparatus for an engine and method Feb 27, 2007 Issued
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