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] => 7107319 [patent_doc_number] => 20050205033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-22 [patent_title] => 'Cover for tightly sealing a device' [patent_app_type] => utility [patent_app_number] => 11/068886 [patent_app_country] => US [patent_app_date] => 2005-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1374 [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/A1/0205/20050205033.pdf [firstpage_image] =>[orig_patent_app_number] => 11068886 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/068886
Cover for tightly sealing a device Mar 1, 2005 Issued
Array ( [id] => 891938 [patent_doc_number] => 07341032 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2008-03-11 [patent_title] => 'Dynamic camshaft apparatus' [patent_app_type] => utility [patent_app_number] => 11/069598 [patent_app_country] => US [patent_app_date] => 2005-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2623 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/341/07341032.pdf [firstpage_image] =>[orig_patent_app_number] => 11069598 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/069598
Dynamic camshaft apparatus Feb 28, 2005 Issued
Array ( [id] => 825922 [patent_doc_number] => 07401579 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-07-22 [patent_title] => 'Valve timing control device' [patent_app_type] => utility [patent_app_number] => 10/589358 [patent_app_country] => US [patent_app_date] => 2005-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 24 [patent_no_of_words] => 10095 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/401/07401579.pdf [firstpage_image] =>[orig_patent_app_number] => 10589358 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/589358
Valve timing control device Feb 27, 2005 Issued
Array ( [id] => 372350 [patent_doc_number] => 07472669 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-06 [patent_title] => 'Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith' [patent_app_type] => utility [patent_app_number] => 10/591236 [patent_app_country] => US [patent_app_date] => 2005-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6655 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/472/07472669.pdf [firstpage_image] =>[orig_patent_app_number] => 10591236 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/591236
Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith Feb 24, 2005 Issued
Array ( [id] => 5616101 [patent_doc_number] => 20060185633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-24 [patent_title] => 'Electromechanical valve actuator' [patent_app_type] => utility [patent_app_number] => 11/064986 [patent_app_country] => US [patent_app_date] => 2005-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3159 [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/A1/0185/20060185633.pdf [firstpage_image] =>[orig_patent_app_number] => 11064986 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/064986
Electromechanical valve actuator Feb 22, 2005 Issued
Array ( [id] => 5616102 [patent_doc_number] => 20060185634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-08-24 [patent_title] => 'Electromagnet assembly for electromechanical valve actuators' [patent_app_type] => utility [patent_app_number] => 11/065408 [patent_app_country] => US [patent_app_date] => 2005-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2161 [patent_no_of_claims] => 15 [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/A1/0185/20060185634.pdf [firstpage_image] =>[orig_patent_app_number] => 11065408 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/065408
Electromagnet assembly for electromechanical valve actuators Feb 22, 2005 Issued
Array ( [id] => 650022 [patent_doc_number] => 07111597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-26 [patent_title] => 'Valve deactivator latching assembly' [patent_app_type] => utility [patent_app_number] => 11/061137 [patent_app_country] => US [patent_app_date] => 2005-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4832 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/111/07111597.pdf [firstpage_image] =>[orig_patent_app_number] => 11061137 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/061137
Valve deactivator latching assembly Feb 17, 2005 Issued
Array ( [id] => 663842 [patent_doc_number] => 07096837 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-08-29 [patent_title] => 'Valve train of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/061328 [patent_app_country] => US [patent_app_date] => 2005-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1737 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/096/07096837.pdf [firstpage_image] =>[orig_patent_app_number] => 11061328 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/061328
Valve train of an internal combustion engine Feb 17, 2005 Issued
Array ( [id] => 4435005 [patent_doc_number] => 07926454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-04-19 [patent_title] => 'Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith' [patent_app_type] => utility [patent_app_number] => 10/589507 [patent_app_country] => US [patent_app_date] => 2005-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7051 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/926/07926454.pdf [firstpage_image] =>[orig_patent_app_number] => 10589507 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/589507
Method of generating pressure pulses, a pressure pulse generator and a piston engine provided therewith Feb 16, 2005 Issued
Array ( [id] => 7182221 [patent_doc_number] => 20050191171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-01 [patent_title] => 'Sealing element and pivoting motor' [patent_app_type] => utility [patent_app_number] => 11/062308 [patent_app_country] => US [patent_app_date] => 2005-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2392 [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/A1/0191/20050191171.pdf [firstpage_image] =>[orig_patent_app_number] => 11062308 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/062308
Sealing element and pivoting motor Feb 14, 2005 Issued
Array ( [id] => 7131545 [patent_doc_number] => 20050178350 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Valve operating mechanism of internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/055096 [patent_app_country] => US [patent_app_date] => 2005-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 10725 [patent_no_of_claims] => 28 [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/A1/0178/20050178350.pdf [firstpage_image] =>[orig_patent_app_number] => 11055096 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/055096
Valve operating mechanism of internal combustion engine Feb 10, 2005 Issued
Array ( [id] => 396133 [patent_doc_number] => 07293539 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-13 [patent_title] => 'Rocker arm assembly' [patent_app_type] => utility [patent_app_number] => 11/056336 [patent_app_country] => US [patent_app_date] => 2005-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1606 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/293/07293539.pdf [firstpage_image] =>[orig_patent_app_number] => 11056336 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/056336
Rocker arm assembly Feb 10, 2005 Issued
Array ( [id] => 368803 [patent_doc_number] => 07475659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-01-13 [patent_title] => 'Device combustion engine' [patent_app_type] => utility [patent_app_number] => 11/721639 [patent_app_country] => US [patent_app_date] => 2005-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4051 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/475/07475659.pdf [firstpage_image] =>[orig_patent_app_number] => 11721639 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/721639
Device combustion engine Feb 10, 2005 Issued
Array ( [id] => 382008 [patent_doc_number] => 07305953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-12-11 [patent_title] => 'Built multiple cam' [patent_app_type] => utility [patent_app_number] => 10/580376 [patent_app_country] => US [patent_app_date] => 2005-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3977 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/305/07305953.pdf [firstpage_image] =>[orig_patent_app_number] => 10580376 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/580376
Built multiple cam Feb 9, 2005 Issued
Array ( [id] => 7131546 [patent_doc_number] => 20050178351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-18 [patent_title] => 'Hydraulic support element' [patent_app_type] => utility [patent_app_number] => 11/055268 [patent_app_country] => US [patent_app_date] => 2005-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1785 [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/A1/0178/20050178351.pdf [firstpage_image] =>[orig_patent_app_number] => 11055268 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/055268
Hydraulic support element Feb 9, 2005 Issued
11/054689 Continuously variable valve timing device Feb 7, 2005 Abandoned
Array ( [id] => 6909162 [patent_doc_number] => 20050172920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-08-11 [patent_title] => 'Control apparatus for variable valve apparatus and method thereof' [patent_app_type] => utility [patent_app_number] => 11/049868 [patent_app_country] => US [patent_app_date] => 2005-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 3479 [patent_no_of_claims] => 19 [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/A1/0172/20050172920.pdf [firstpage_image] =>[orig_patent_app_number] => 11049868 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/049868
Control apparatus for variable valve apparatus and method thereof Feb 3, 2005 Issued
Array ( [id] => 621672 [patent_doc_number] => 07137372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-11-21 [patent_title] => 'Cylinder head cover' [patent_app_type] => utility [patent_app_number] => 11/045076 [patent_app_country] => US [patent_app_date] => 2005-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3204 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/137/07137372.pdf [firstpage_image] =>[orig_patent_app_number] => 11045076 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/045076
Cylinder head cover Jan 30, 2005 Issued
Array ( [id] => 7093381 [patent_doc_number] => 20050126528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-06-16 [patent_title] => 'Variable valve opening for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/045716 [patent_app_country] => US [patent_app_date] => 2005-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 6931 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0126/20050126528.pdf [firstpage_image] =>[orig_patent_app_number] => 11045716 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/045716
Variable valve opening for an internal combustion engine Jan 27, 2005 Issued
Array ( [id] => 650021 [patent_doc_number] => 07111596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-26 [patent_title] => 'Electromechanical operator for a valve of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/046279 [patent_app_country] => US [patent_app_date] => 2005-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2087 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/111/07111596.pdf [firstpage_image] =>[orig_patent_app_number] => 11046279 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/046279
Electromechanical operator for a valve of an internal combustion engine Jan 26, 2005 Issued
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