Search

Ching Chang

Examiner (ID: 13382, 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] => 7138671 [patent_doc_number] => 20050115527 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-02 [patent_title] => 'Valve timing adjusting device and assembly apparatus of the same' [patent_app_type] => utility [patent_app_number] => 10/949397 [patent_app_country] => US [patent_app_date] => 2004-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5966 [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] => publications/A1/0115/20050115527.pdf [firstpage_image] =>[orig_patent_app_number] => 10949397 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/949397
Valve timing adjusting device and assembly apparatus of the same Sep 26, 2004 Issued
Array ( [id] => 7007560 [patent_doc_number] => 20050061276 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-24 [patent_title] => 'Variable valve timing controller for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/945888 [patent_app_country] => US [patent_app_date] => 2004-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4891 [patent_no_of_claims] => 6 [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/A1/0061/20050061276.pdf [firstpage_image] =>[orig_patent_app_number] => 10945888 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/945888
Variable valve timing controller for internal combustion engine Sep 21, 2004 Issued
Array ( [id] => 5107552 [patent_doc_number] => 20070066430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-22 [patent_title] => 'Non-circular rotary component' [patent_app_type] => utility [patent_app_number] => 10/571737 [patent_app_country] => US [patent_app_date] => 2004-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 6701 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0066/20070066430.pdf [firstpage_image] =>[orig_patent_app_number] => 10571737 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/571737
Non-circular rotary component Sep 19, 2004 Issued
Array ( [id] => 618265 [patent_doc_number] => 07140335 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-28 [patent_title] => 'Dynamic valve timing adjustment mechanism for internal combustion engines' [patent_app_type] => utility [patent_app_number] => 10/943576 [patent_app_country] => US [patent_app_date] => 2004-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 5795 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/140/07140335.pdf [firstpage_image] =>[orig_patent_app_number] => 10943576 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/943576
Dynamic valve timing adjustment mechanism for internal combustion engines Sep 16, 2004 Issued
Array ( [id] => 653052 [patent_doc_number] => 07107953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-19 [patent_title] => 'Valve gear of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/941956 [patent_app_country] => US [patent_app_date] => 2004-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 11706 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/107/07107953.pdf [firstpage_image] =>[orig_patent_app_number] => 10941956 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/941956
Valve gear of an internal combustion engine Sep 15, 2004 Issued
Array ( [id] => 202315 [patent_doc_number] => 07628128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-08 [patent_title] => 'Guide systems for variable valve controller' [patent_app_type] => utility [patent_app_number] => 10/941617 [patent_app_country] => US [patent_app_date] => 2004-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2597 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/628/07628128.pdf [firstpage_image] =>[orig_patent_app_number] => 10941617 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/941617
Guide systems for variable valve controller Sep 14, 2004 Issued
Array ( [id] => 202315 [patent_doc_number] => 07628128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-12-08 [patent_title] => 'Guide systems for variable valve controller' [patent_app_type] => utility [patent_app_number] => 10/941617 [patent_app_country] => US [patent_app_date] => 2004-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2597 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/628/07628128.pdf [firstpage_image] =>[orig_patent_app_number] => 10941617 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/941617
Guide systems for variable valve controller Sep 14, 2004 Issued
Array ( [id] => 792127 [patent_doc_number] => 06981479 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-01-03 [patent_title] => 'Rocker arm' [patent_app_type] => utility [patent_app_number] => 10/939407 [patent_app_country] => US [patent_app_date] => 2004-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 70 [patent_no_of_words] => 18183 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/981/06981479.pdf [firstpage_image] =>[orig_patent_app_number] => 10939407 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/939407
Rocker arm Sep 13, 2004 Issued
Array ( [id] => 7124502 [patent_doc_number] => 20050056245 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Camshaft adjuster' [patent_app_type] => utility [patent_app_number] => 10/940937 [patent_app_country] => US [patent_app_date] => 2004-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2050 [patent_no_of_claims] => 3 [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/A1/0056/20050056245.pdf [firstpage_image] =>[orig_patent_app_number] => 10940937 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/940937
Camshaft adjuster Sep 13, 2004 Issued
Array ( [id] => 7195382 [patent_doc_number] => 20050051122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'APPARATUS AND METHOD FOR CONTROLLING INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 10/936685 [patent_app_country] => US [patent_app_date] => 2004-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 9792 [patent_no_of_claims] => 20 [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] => publications/A1/0051/20050051122.pdf [firstpage_image] =>[orig_patent_app_number] => 10936685 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/936685
Apparatus and method for controlling internal combustion engine Sep 8, 2004 Issued
Array ( [id] => 7124503 [patent_doc_number] => 20050056246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-17 [patent_title] => 'Hydraulic cam follower' [patent_app_type] => utility [patent_app_number] => 10/935935 [patent_app_country] => US [patent_app_date] => 2004-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2439 [patent_no_of_claims] => 13 [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/A1/0056/20050056246.pdf [firstpage_image] =>[orig_patent_app_number] => 10935935 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/935935
Hydraulic cam follower Sep 7, 2004 Issued
Array ( [id] => 7065817 [patent_doc_number] => 20050241602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-11-03 [patent_title] => 'VCT closed-loop control using a two-position on/off solenoid' [patent_app_type] => utility [patent_app_number] => 10/934176 [patent_app_country] => US [patent_app_date] => 2004-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5811 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0241/20050241602.pdf [firstpage_image] =>[orig_patent_app_number] => 10934176 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/934176
VCT closed-loop control using a two-position on/off solenoid Sep 2, 2004 Issued
Array ( [id] => 762037 [patent_doc_number] => 07007652 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-07 [patent_title] => 'Variable duration valve timing camshaft' [patent_app_type] => utility [patent_app_number] => 10/934285 [patent_app_country] => US [patent_app_date] => 2004-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 14 [patent_no_of_words] => 5572 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/007/07007652.pdf [firstpage_image] =>[orig_patent_app_number] => 10934285 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/934285
Variable duration valve timing camshaft Sep 2, 2004 Issued
Array ( [id] => 7195380 [patent_doc_number] => 20050051121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-10 [patent_title] => 'Variable camshaft timing phaser having a housing and a driving element of two different materials' [patent_app_type] => utility [patent_app_number] => 10/932188 [patent_app_country] => US [patent_app_date] => 2004-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1732 [patent_no_of_claims] => 12 [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/A1/0051/20050051121.pdf [firstpage_image] =>[orig_patent_app_number] => 10932188 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/932188
Variable camshaft timing phaser having a housing and a driving element of two different materials Aug 31, 2004 Abandoned
Array ( [id] => 440460 [patent_doc_number] => 07255073 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-14 [patent_title] => 'Electromechanical valve actuator beginning of stroke damper' [patent_app_type] => utility [patent_app_number] => 10/929969 [patent_app_country] => US [patent_app_date] => 2004-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4680 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/255/07255073.pdf [firstpage_image] =>[orig_patent_app_number] => 10929969 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/929969
Electromechanical valve actuator beginning of stroke damper Aug 29, 2004 Issued
Array ( [id] => 6993212 [patent_doc_number] => 20050132987 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-23 [patent_title] => 'Internal combustion engine valve seating velocity control' [patent_app_type] => utility [patent_app_number] => 10/926496 [patent_app_country] => US [patent_app_date] => 2004-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4638 [patent_no_of_claims] => 17 [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/A1/0132/20050132987.pdf [firstpage_image] =>[orig_patent_app_number] => 10926496 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/926496
Internal combustion engine valve seating velocity control Aug 25, 2004 Issued
Array ( [id] => 396132 [patent_doc_number] => 07293538 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Overhead camshaft drive assembly' [patent_app_type] => utility [patent_app_number] => 10/918615 [patent_app_country] => US [patent_app_date] => 2004-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2042 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/293/07293538.pdf [firstpage_image] =>[orig_patent_app_number] => 10918615 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/918615
Overhead camshaft drive assembly Aug 12, 2004 Issued
Array ( [id] => 5804992 [patent_doc_number] => 20060091344 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-04 [patent_title] => 'Variable valve gear' [patent_app_type] => utility [patent_app_number] => 10/538907 [patent_app_country] => US [patent_app_date] => 2004-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 2992 [patent_no_of_claims] => 15 [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/A1/0091/20060091344.pdf [firstpage_image] =>[orig_patent_app_number] => 10538907 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/538907
Variable valve gear Aug 11, 2004 Abandoned
Array ( [id] => 6902739 [patent_doc_number] => 20050098134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-05-12 [patent_title] => 'Valve lifter for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/914506 [patent_app_country] => US [patent_app_date] => 2004-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7651 [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/A1/0098/20050098134.pdf [firstpage_image] =>[orig_patent_app_number] => 10914506 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/914506
Valve lifter for internal combustion engine Aug 9, 2004 Abandoned
Array ( [id] => 934557 [patent_doc_number] => 06973902 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-13 [patent_title] => 'Engine for a vehicle' [patent_app_type] => utility [patent_app_number] => 10/912589 [patent_app_country] => US [patent_app_date] => 2004-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3921 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/973/06973902.pdf [firstpage_image] =>[orig_patent_app_number] => 10912589 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/912589
Engine for a vehicle Aug 4, 2004 Issued
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