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] => 6968983 [patent_doc_number] => 20050034693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-17 [patent_title] => 'Internal-combustion engine with a hydraulic device for rotation angle adjustment of a camshaft relative to a crankshaft' [patent_app_type] => utility [patent_app_number] => 10/910969 [patent_app_country] => US [patent_app_date] => 2004-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2582 [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] => publications/A1/0034/20050034693.pdf [firstpage_image] =>[orig_patent_app_number] => 10910969 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/910969
Internal-combustion engine with hydraulic device for rotation angle adjustment of a camshaft relative to a crankshaft Aug 3, 2004 Issued
Array ( [id] => 945775 [patent_doc_number] => 06964249 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-11-15 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/898976 [patent_app_country] => US [patent_app_date] => 2004-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3288 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/964/06964249.pdf [firstpage_image] =>[orig_patent_app_number] => 10898976 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/898976
Valve timing control system for internal combustion engine Jul 26, 2004 Issued
Array ( [id] => 5862434 [patent_doc_number] => 20060096564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-05-11 [patent_title] => 'Valve operating mechanism with roller rocker arm, 4-cycle engine, and motorcycle having 4-cycle engine mounted thereon' [patent_app_type] => utility [patent_app_number] => 10/527248 [patent_app_country] => US [patent_app_date] => 2004-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8016 [patent_no_of_claims] => 53 [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/A1/0096/20060096564.pdf [firstpage_image] =>[orig_patent_app_number] => 10527248 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/527248
Valve operating mechanism with roller rocker arm, 4-cycle engine, and motorcycle having 4-cycle engine mounted thereon Jul 22, 2004 Issued
Array ( [id] => 5097826 [patent_doc_number] => 20070181086 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-09 [patent_title] => 'Assembled camshaft with camshaft setting device' [patent_app_type] => utility [patent_app_number] => 10/897118 [patent_app_country] => US [patent_app_date] => 2004-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2380 [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/A1/0181/20070181086.pdf [firstpage_image] =>[orig_patent_app_number] => 10897118 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/897118
Assembled camshaft with camshaft setting device Jul 22, 2004 Abandoned
Array ( [id] => 677403 [patent_doc_number] => 07082911 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-01 [patent_title] => 'Valve-driving system and method for internal combustion engine, and power output apparatus' [patent_app_type] => utility [patent_app_number] => 10/896949 [patent_app_country] => US [patent_app_date] => 2004-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 14190 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/082/07082911.pdf [firstpage_image] =>[orig_patent_app_number] => 10896949 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/896949
Valve-driving system and method for internal combustion engine, and power output apparatus Jul 22, 2004 Issued
Array ( [id] => 7079297 [patent_doc_number] => 20050045130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-03-03 [patent_title] => 'Camshaft incorporating variable camshaft timing phaser rotor' [patent_app_type] => utility [patent_app_number] => 10/895215 [patent_app_country] => US [patent_app_date] => 2004-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8668 [patent_no_of_claims] => 20 [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/A1/0045/20050045130.pdf [firstpage_image] =>[orig_patent_app_number] => 10895215 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/895215
Camshaft incorporating variable camshaft timing phaser rotor Jul 19, 2004 Abandoned
Array ( [id] => 752899 [patent_doc_number] => 07013853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Valve control system for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/893977 [patent_app_country] => US [patent_app_date] => 2004-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 9740 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/013/07013853.pdf [firstpage_image] =>[orig_patent_app_number] => 10893977 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/893977
Valve control system for internal combustion engine Jul 19, 2004 Issued
Array ( [id] => 382007 [patent_doc_number] => 07305952 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Engine valve clearance adjusting method' [patent_app_type] => utility [patent_app_number] => 10/565416 [patent_app_country] => US [patent_app_date] => 2004-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2323 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/305/07305952.pdf [firstpage_image] =>[orig_patent_app_number] => 10565416 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/565416
Engine valve clearance adjusting method Jul 19, 2004 Issued
Array ( [id] => 766310 [patent_doc_number] => 07004132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-28 [patent_title] => 'Valve train for OHV engine' [patent_app_type] => utility [patent_app_number] => 10/886537 [patent_app_country] => US [patent_app_date] => 2004-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8130 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/004/07004132.pdf [firstpage_image] =>[orig_patent_app_number] => 10886537 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/886537
Valve train for OHV engine Jul 8, 2004 Issued
Array ( [id] => 766294 [patent_doc_number] => 07004123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-28 [patent_title] => 'Unit trigger actuator' [patent_app_type] => utility [patent_app_number] => 10/885817 [patent_app_country] => US [patent_app_date] => 2004-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 6415 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/004/07004123.pdf [firstpage_image] =>[orig_patent_app_number] => 10885817 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/885817
Unit trigger actuator Jul 6, 2004 Issued
Array ( [id] => 420347 [patent_doc_number] => RE039851 [patent_country] => US [patent_kind] => E1 [patent_issue_date] => 2007-09-25 [patent_title] => 'Internal combustion engine having a variable valve train' [patent_app_type] => reissue [patent_app_number] => 10/883194 [patent_app_country] => US [patent_app_date] => 2004-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 19022 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/039/RE039851.pdf [firstpage_image] =>[orig_patent_app_number] => 10883194 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/883194
Internal combustion engine having a variable valve train Jul 1, 2004 Issued
Array ( [id] => 1016069 [patent_doc_number] => 06889644 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-05-10 [patent_title] => 'Valve guide for rocker arm assembly' [patent_app_type] => utility [patent_app_number] => 10/884042 [patent_app_country] => US [patent_app_date] => 2004-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4039 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/889/06889644.pdf [firstpage_image] =>[orig_patent_app_number] => 10884042 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/884042
Valve guide for rocker arm assembly Jul 1, 2004 Issued
Array ( [id] => 7119651 [patent_doc_number] => 20050011480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-01-20 [patent_title] => 'Valve drive for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/879128 [patent_app_country] => US [patent_app_date] => 2004-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1423 [patent_no_of_claims] => 22 [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/A1/0011/20050011480.pdf [firstpage_image] =>[orig_patent_app_number] => 10879128 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/879128
Valve drive for an internal combustion engine Jun 29, 2004 Abandoned
Array ( [id] => 778190 [patent_doc_number] => 06994062 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-07 [patent_title] => 'Variable valve timing control device' [patent_app_type] => utility [patent_app_number] => 10/876588 [patent_app_country] => US [patent_app_date] => 2004-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3893 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/994/06994062.pdf [firstpage_image] =>[orig_patent_app_number] => 10876588 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/876588
Variable valve timing control device Jun 27, 2004 Issued
Array ( [id] => 7145679 [patent_doc_number] => 20050022768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Apparatus and methodology for rocker arm assembly' [patent_app_type] => utility [patent_app_number] => 10/879547 [patent_app_country] => US [patent_app_date] => 2004-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8071 [patent_no_of_claims] => 34 [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/A1/0022/20050022768.pdf [firstpage_image] =>[orig_patent_app_number] => 10879547 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/879547
Apparatus and methodology for rocker arm assembly Jun 27, 2004 Issued
10/879307 Variable timed valve system Jun 27, 2004 Abandoned
Array ( [id] => 5663885 [patent_doc_number] => 20060169235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-03 [patent_title] => 'Internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/561036 [patent_app_country] => US [patent_app_date] => 2004-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2609 [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/A1/0169/20060169235.pdf [firstpage_image] =>[orig_patent_app_number] => 10561036 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/561036
Internal combustion engine Jun 23, 2004 Issued
Array ( [id] => 7029335 [patent_doc_number] => 20050028764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-10 [patent_title] => 'Deposit removal for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/874267 [patent_app_country] => US [patent_app_date] => 2004-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 6787 [patent_no_of_claims] => 28 [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/A1/0028/20050028764.pdf [firstpage_image] =>[orig_patent_app_number] => 10874267 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/874267
Deposit removal for internal combustion engine Jun 23, 2004 Issued
Array ( [id] => 7145646 [patent_doc_number] => 20050022759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-02-03 [patent_title] => 'Method and device for controlling an electrohydraulic unit for actuating the valves of an endothermic engine' [patent_app_type] => utility [patent_app_number] => 10/873728 [patent_app_country] => US [patent_app_date] => 2004-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5424 [patent_no_of_claims] => 32 [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/A1/0022/20050022759.pdf [firstpage_image] =>[orig_patent_app_number] => 10873728 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/873728
Method and device for controlling an electrohydraulic unit for actuating the valves of an endothermic engine Jun 21, 2004 Issued
Array ( [id] => 774664 [patent_doc_number] => 06997147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-02-14 [patent_title] => 'Electrohydraulic unit for actuating the valves of an endothermic engine' [patent_app_type] => utility [patent_app_number] => 10/873727 [patent_app_country] => US [patent_app_date] => 2004-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4624 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/997/06997147.pdf [firstpage_image] =>[orig_patent_app_number] => 10873727 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/873727
Electrohydraulic unit for actuating the valves of an endothermic engine Jun 21, 2004 Issued
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