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] => 4429117 [patent_doc_number] => 07895981 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-03-01 [patent_title] => 'Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/550938 [patent_app_country] => US [patent_app_date] => 2004-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 42 [patent_no_of_words] => 13105 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/895/07895981.pdf [firstpage_image] =>[orig_patent_app_number] => 10550938 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/550938
Variable valve lift device for the lift adjustment of gas-exchange valves of an internal combustion engine Mar 25, 2004 Issued
Array ( [id] => 632396 [patent_doc_number] => 07128032 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-10-31 [patent_title] => 'Electromagnetic actuator and control' [patent_app_type] => utility [patent_app_number] => 10/810538 [patent_app_country] => US [patent_app_date] => 2004-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 28 [patent_no_of_words] => 9300 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/128/07128032.pdf [firstpage_image] =>[orig_patent_app_number] => 10810538 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/810538
Electromagnetic actuator and control Mar 25, 2004 Issued
Array ( [id] => 468948 [patent_doc_number] => 07228832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-06-12 [patent_title] => 'Internal combustion engine with translatable camshaft' [patent_app_type] => utility [patent_app_number] => 10/806786 [patent_app_country] => US [patent_app_date] => 2004-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 6439 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/228/07228832.pdf [firstpage_image] =>[orig_patent_app_number] => 10806786 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/806786
Internal combustion engine with translatable camshaft Mar 22, 2004 Issued
Array ( [id] => 7282954 [patent_doc_number] => 20040144345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-07-29 [patent_title] => 'Device for controlling charge exchange valves' [patent_app_type] => new [patent_app_number] => 10/473528 [patent_app_country] => US [patent_app_date] => 2004-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2273 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0144/20040144345.pdf [firstpage_image] =>[orig_patent_app_number] => 10473528 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/473528
Device for controlling charge exchange valves Mar 21, 2004 Abandoned
Array ( [id] => 7414124 [patent_doc_number] => 20040176744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-09 [patent_title] => 'Introducer having a movable valve assembly with removable side port' [patent_app_type] => new [patent_app_number] => 10/804596 [patent_app_country] => US [patent_app_date] => 2004-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4798 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0176/20040176744.pdf [firstpage_image] =>[orig_patent_app_number] => 10804596 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/804596
Introducer having a movable valve assembly with removable side port Mar 17, 2004 Abandoned
Array ( [id] => 5138245 [patent_doc_number] => 20070000461 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-04 [patent_title] => 'Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device' [patent_app_type] => utility [patent_app_number] => 10/551539 [patent_app_country] => US [patent_app_date] => 2004-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3250 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0000/20070000461.pdf [firstpage_image] =>[orig_patent_app_number] => 10551539 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/551539
Device for the variable actuation of gas exchange valves of internal combustion engines and method for operating said device Mar 16, 2004 Issued
Array ( [id] => 1084209 [patent_doc_number] => 06830021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-12-14 [patent_title] => 'Engine camshaft driving arrangement' [patent_app_type] => B2 [patent_app_number] => 10/708578 [patent_app_country] => US [patent_app_date] => 2004-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2844 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/830/06830021.pdf [firstpage_image] =>[orig_patent_app_number] => 10708578 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/708578
Engine camshaft driving arrangement Mar 11, 2004 Issued
Array ( [id] => 1079472 [patent_doc_number] => 06834627 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2004-12-28 [patent_title] => 'Intake air amount control apparatus and method of internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 10/797187 [patent_app_country] => US [patent_app_date] => 2004-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 10774 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/834/06834627.pdf [firstpage_image] =>[orig_patent_app_number] => 10797187 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/797187
Intake air amount control apparatus and method of internal combustion engine Mar 10, 2004 Issued
Array ( [id] => 7372134 [patent_doc_number] => 20040177820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-16 [patent_title] => 'VALVE-ACTUATING DEVICES FOR INTERNAL COMBUSTION ENGINES HAVING CHANGEABLE STROKE FUNCTIONS' [patent_app_type] => new [patent_app_number] => 10/796989 [patent_app_country] => US [patent_app_date] => 2004-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5259 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0177/20040177820.pdf [firstpage_image] =>[orig_patent_app_number] => 10796989 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/796989
Valve-actuating devices for internal combustion engines having changeable stroke functions Mar 10, 2004 Issued
Array ( [id] => 4991493 [patent_doc_number] => 20070006837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-01-11 [patent_title] => 'Finger Lever of a Valve Drive of a Combustion Engine' [patent_app_type] => utility [patent_app_number] => 10/554346 [patent_app_country] => US [patent_app_date] => 2004-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2414 [patent_no_of_claims] => 16 [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/A1/0006/20070006837.pdf [firstpage_image] =>[orig_patent_app_number] => 10554346 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/554346
Finger lever of a valve drive of a combustion engine Mar 8, 2004 Issued
Array ( [id] => 1032581 [patent_doc_number] => 06874456 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-04-05 [patent_title] => 'Valve operating apparatus of internal combustion engines' [patent_app_type] => utility [patent_app_number] => 10/795263 [patent_app_country] => US [patent_app_date] => 2004-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7920 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 270 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/874/06874456.pdf [firstpage_image] =>[orig_patent_app_number] => 10795263 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/795263
Valve operating apparatus of internal combustion engines Mar 8, 2004 Issued
Array ( [id] => 653040 [patent_doc_number] => 07107945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-19 [patent_title] => 'Electromagnetically driven valve control system and method' [patent_app_type] => utility [patent_app_number] => 10/793813 [patent_app_country] => US [patent_app_date] => 2004-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 7202 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/107/07107945.pdf [firstpage_image] =>[orig_patent_app_number] => 10793813 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/793813
Electromagnetically driven valve control system and method Mar 7, 2004 Issued
Array ( [id] => 752896 [patent_doc_number] => 07013852 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-03-21 [patent_title] => 'Control apparatus for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 10/793023 [patent_app_country] => US [patent_app_date] => 2004-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 14587 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/013/07013852.pdf [firstpage_image] =>[orig_patent_app_number] => 10793023 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/793023
Control apparatus for an internal combustion engine Mar 4, 2004 Issued
Array ( [id] => 6941925 [patent_doc_number] => 20050193973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2005-09-08 [patent_title] => 'Dual feed hydraulic lash adjuster' [patent_app_type] => utility [patent_app_number] => 10/792418 [patent_app_country] => US [patent_app_date] => 2004-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2034 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0193/20050193973.pdf [firstpage_image] =>[orig_patent_app_number] => 10792418 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/792418
Dual feed hydraulic lash adjuster Mar 2, 2004 Issued
Array ( [id] => 932926 [patent_doc_number] => 06976460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-12-20 [patent_title] => 'Variable valve timing control device' [patent_app_type] => utility [patent_app_number] => 10/786539 [patent_app_country] => US [patent_app_date] => 2004-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 7579 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/976/06976460.pdf [firstpage_image] =>[orig_patent_app_number] => 10786539 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/786539
Variable valve timing control device Feb 25, 2004 Issued
Array ( [id] => 7143036 [patent_doc_number] => 20040168659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-09-02 [patent_title] => 'Variable valve operating system for internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/780656 [patent_app_country] => US [patent_app_date] => 2004-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8309 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0168/20040168659.pdf [firstpage_image] =>[orig_patent_app_number] => 10780656 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/780656
Variable valve operating system for internal combustion engine Feb 18, 2004 Issued
Array ( [id] => 7407053 [patent_doc_number] => 20040206320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-10-21 [patent_title] => 'Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator' [patent_app_type] => new [patent_app_number] => 10/780947 [patent_app_country] => US [patent_app_date] => 2004-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1755 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0206/20040206320.pdf [firstpage_image] =>[orig_patent_app_number] => 10780947 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/780947
Electromechanical valve actuator for internal combustion engines and internal combustion engine equipped with such an actuator Feb 17, 2004 Issued
Array ( [id] => 900066 [patent_doc_number] => 07334550 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2008-02-26 [patent_title] => 'Valve train and cam lobe' [patent_app_type] => utility [patent_app_number] => 10/545679 [patent_app_country] => US [patent_app_date] => 2004-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 5483 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/334/07334550.pdf [firstpage_image] =>[orig_patent_app_number] => 10545679 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/545679
Valve train and cam lobe Feb 16, 2004 Issued
Array ( [id] => 7313180 [patent_doc_number] => 20040221824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2004-11-11 [patent_title] => 'Rotary actuator device to control the stroke of a charge exchange poppet valve in the cylinder head of an internal combustion engine' [patent_app_type] => new [patent_app_number] => 10/777215 [patent_app_country] => US [patent_app_date] => 2004-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4091 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0221/20040221824.pdf [firstpage_image] =>[orig_patent_app_number] => 10777215 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/777215
Rotary actuator device to control the stroke of a charge exchange poppet valve in the cylinder head of an internal combustion engine Feb 12, 2004 Issued
Array ( [id] => 728360 [patent_doc_number] => 07036475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-05-02 [patent_title] => 'Lash adjuster for valve gear' [patent_app_type] => utility [patent_app_number] => 10/773278 [patent_app_country] => US [patent_app_date] => 2004-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 4185 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/036/07036475.pdf [firstpage_image] =>[orig_patent_app_number] => 10773278 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/773278
Lash adjuster for valve gear Feb 8, 2004 Issued
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