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] => 5174368 [patent_doc_number] => 20070175425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-08-02 [patent_title] => 'Method and apparatus for operating an oil flow control valve' [patent_app_type] => utility [patent_app_number] => 11/643037 [patent_app_country] => US [patent_app_date] => 2006-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3858 [patent_no_of_claims] => 10 [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/A1/0175/20070175425.pdf [firstpage_image] =>[orig_patent_app_number] => 11643037 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/643037
Method and apparatus for operating an oil flow control valve Dec 19, 2006 Issued
Array ( [id] => 5216585 [patent_doc_number] => 20070157896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-12 [patent_title] => 'Control system and method for controlling an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/640851 [patent_app_country] => US [patent_app_date] => 2006-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10259 [patent_no_of_claims] => 12 [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/A1/0157/20070157896.pdf [firstpage_image] =>[orig_patent_app_number] => 11640851 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/640851
Control system and method for controlling an internal combustion engine Dec 18, 2006 Issued
Array ( [id] => 6603466 [patent_doc_number] => 20100224149 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-09-09 [patent_title] => 'TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR' [patent_app_type] => utility [patent_app_number] => 12/160399 [patent_app_country] => US [patent_app_date] => 2006-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3918 [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/A1/0224/20100224149.pdf [firstpage_image] =>[orig_patent_app_number] => 12160399 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/160399
TIMING CHAIN DRIVE COMPRISING AN INTEGRATED ELECTRIC MOTOR Dec 13, 2006 Abandoned
Array ( [id] => 570526 [patent_doc_number] => 07444965 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-11-04 [patent_title] => 'Control device for supercharged internal combustion engines comprising a system for adjusting the control times of an inlet valve' [patent_app_type] => utility [patent_app_number] => 11/638419 [patent_app_country] => US [patent_app_date] => 2006-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1484 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/444/07444965.pdf [firstpage_image] =>[orig_patent_app_number] => 11638419 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/638419
Control device for supercharged internal combustion engines comprising a system for adjusting the control times of an inlet valve Dec 13, 2006 Issued
Array ( [id] => 6580842 [patent_doc_number] => 20100000477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-01-07 [patent_title] => 'CAMSHAFT' [patent_app_type] => utility [patent_app_number] => 12/158878 [patent_app_country] => US [patent_app_date] => 2006-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3058 [patent_no_of_claims] => 9 [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/A1/0000/20100000477.pdf [firstpage_image] =>[orig_patent_app_number] => 12158878 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/158878
Camshaft Dec 12, 2006 Issued
Array ( [id] => 165276 [patent_doc_number] => 07665432 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-02-23 [patent_title] => 'Valve actuation system and method of driving two slave pistons with one master piston' [patent_app_type] => utility [patent_app_number] => 11/637047 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4458 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/665/07665432.pdf [firstpage_image] =>[orig_patent_app_number] => 11637047 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/637047
Valve actuation system and method of driving two slave pistons with one master piston Dec 11, 2006 Issued
Array ( [id] => 6347265 [patent_doc_number] => 20100071643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2010-03-25 [patent_title] => 'VALVE OPENING ARRANGEMENT AND METHOD' [patent_app_type] => utility [patent_app_number] => 12/516387 [patent_app_country] => US [patent_app_date] => 2006-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3875 [patent_no_of_claims] => 28 [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/A1/0071/20100071643.pdf [firstpage_image] =>[orig_patent_app_number] => 12516387 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/516387
Valve opening arrangement and method Dec 11, 2006 Issued
Array ( [id] => 148652 [patent_doc_number] => 07681539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-03-23 [patent_title] => 'Method for improving operation of an electrically operable mechanical valve' [patent_app_type] => utility [patent_app_number] => 11/566890 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 10508 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/681/07681539.pdf [firstpage_image] =>[orig_patent_app_number] => 11566890 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/566890
Method for improving operation of an electrically operable mechanical valve Dec 4, 2006 Issued
Array ( [id] => 227685 [patent_doc_number] => 07600494 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-10-13 [patent_title] => 'Operation of electrically actuated valves at lower temperatures' [patent_app_type] => utility [patent_app_number] => 11/566966 [patent_app_country] => US [patent_app_date] => 2006-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 6619 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/600/07600494.pdf [firstpage_image] =>[orig_patent_app_number] => 11566966 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/566966
Operation of electrically actuated valves at lower temperatures Dec 4, 2006 Issued
Array ( [id] => 922056 [patent_doc_number] => 07318402 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-15 [patent_title] => 'Dual lift rocker arm latch mechanism and actuation arrangement therefor' [patent_app_type] => utility [patent_app_number] => 11/633778 [patent_app_country] => US [patent_app_date] => 2006-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4171 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/318/07318402.pdf [firstpage_image] =>[orig_patent_app_number] => 11633778 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/633778
Dual lift rocker arm latch mechanism and actuation arrangement therefor Dec 3, 2006 Issued
Array ( [id] => 5233179 [patent_doc_number] => 20070125334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-06-07 [patent_title] => 'Roller Type hydrocushion mechanical tappet' [patent_app_type] => utility [patent_app_number] => 11/607691 [patent_app_country] => US [patent_app_date] => 2006-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7496 [patent_no_of_claims] => 18 [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/A1/0125/20070125334.pdf [firstpage_image] =>[orig_patent_app_number] => 11607691 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/607691
Roller Type hydrocushion mechanical tappet Dec 1, 2006 Abandoned
Array ( [id] => 4827778 [patent_doc_number] => 20080127936 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-06-05 [patent_title] => 'Variable pitch timing chain/belt for camshaft to crankshaft correlation' [patent_app_type] => utility [patent_app_number] => 11/607136 [patent_app_country] => US [patent_app_date] => 2006-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3477 [patent_no_of_claims] => 14 [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/A1/0127/20080127936.pdf [firstpage_image] =>[orig_patent_app_number] => 11607136 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/607136
Variable pitch timing chain/belt for camshaft to crankshaft correlation Nov 29, 2006 Abandoned
Array ( [id] => 180929 [patent_doc_number] => 07650863 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-01-26 [patent_title] => 'Variable engine valve actuation system having common rail' [patent_app_type] => utility [patent_app_number] => 11/606176 [patent_app_country] => US [patent_app_date] => 2006-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5317 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/650/07650863.pdf [firstpage_image] =>[orig_patent_app_number] => 11606176 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/606176
Variable engine valve actuation system having common rail Nov 29, 2006 Issued
Array ( [id] => 4855515 [patent_doc_number] => 20080264365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-10-30 [patent_title] => 'Camshaft Adjuster' [patent_app_type] => utility [patent_app_number] => 12/097678 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 9280 [patent_no_of_claims] => 22 [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/A1/0264/20080264365.pdf [firstpage_image] =>[orig_patent_app_number] => 12097678 [rel_patent_id] =>[rel_patent_doc_number] =>)
12/097678
Camshaft adjuster Nov 27, 2006 Issued
Array ( [id] => 869494 [patent_doc_number] => 07360514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-04-22 [patent_title] => 'Method for operation of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/604790 [patent_app_country] => US [patent_app_date] => 2006-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3191 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/360/07360514.pdf [firstpage_image] =>[orig_patent_app_number] => 11604790 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/604790
Method for operation of an internal combustion engine Nov 27, 2006 Issued
Array ( [id] => 4985197 [patent_doc_number] => 20070151534 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-07-05 [patent_title] => 'Dual valve lift blip with single cam lobe for gasoline engines' [patent_app_type] => utility [patent_app_number] => 11/603737 [patent_app_country] => US [patent_app_date] => 2006-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3607 [patent_no_of_claims] => 6 [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/A1/0151/20070151534.pdf [firstpage_image] =>[orig_patent_app_number] => 11603737 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/603737
Dual valve lift blip with single cam lobe for gasoline engines Nov 21, 2006 Issued
Array ( [id] => 927724 [patent_doc_number] => 07314029 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-01-01 [patent_title] => 'Variable valve timing device adapted for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/602327 [patent_app_country] => US [patent_app_date] => 2006-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4794 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/314/07314029.pdf [firstpage_image] =>[orig_patent_app_number] => 11602327 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/602327
Variable valve timing device adapted for internal combustion engine Nov 20, 2006 Issued
Array ( [id] => 5076176 [patent_doc_number] => 20070119400 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-05-31 [patent_title] => 'Variable valve timing device adapted for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/602326 [patent_app_country] => US [patent_app_date] => 2006-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 5586 [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/A1/0119/20070119400.pdf [firstpage_image] =>[orig_patent_app_number] => 11602326 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/602326
Variable valve timing device adapted for internal combustion engine Nov 20, 2006 Issued
Array ( [id] => 399436 [patent_doc_number] => 07290510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-06 [patent_title] => 'Valve timing adjusting apparatus' [patent_app_type] => utility [patent_app_number] => 11/599396 [patent_app_country] => US [patent_app_date] => 2006-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 10090 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/290/07290510.pdf [firstpage_image] =>[orig_patent_app_number] => 11599396 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/599396
Valve timing adjusting apparatus Nov 14, 2006 Issued
Array ( [id] => 120158 [patent_doc_number] => 07703424 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-27 [patent_title] => 'Variable valve actuation system of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/598786 [patent_app_country] => US [patent_app_date] => 2006-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 18501 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/703/07703424.pdf [firstpage_image] =>[orig_patent_app_number] => 11598786 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/598786
Variable valve actuation system of internal combustion engine Nov 13, 2006 Issued
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