Search

Ching Chang

Examiner (ID: 13656, 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] => 5406493 [patent_doc_number] => 20090120391 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2009-05-14 [patent_title] => 'Device For Varying The Control Times Of An Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 11/794187 [patent_app_country] => US [patent_app_date] => 2005-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4514 [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/A1/0120/20090120391.pdf [firstpage_image] =>[orig_patent_app_number] => 11794187 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/794187
Device for varying the control times of an internal combustion engine Nov 10, 2005 Issued
Array ( [id] => 4537976 [patent_doc_number] => 07819097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-10-26 [patent_title] => 'Poppet cylinder valve operating system for internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/163956 [patent_app_country] => US [patent_app_date] => 2005-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1797 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/819/07819097.pdf [firstpage_image] =>[orig_patent_app_number] => 11163956 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/163956
Poppet cylinder valve operating system for internal combustion engine Nov 3, 2005 Issued
Array ( [id] => 660181 [patent_doc_number] => 07100555 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2006-09-05 [patent_title] => 'Valve timing controller' [patent_app_type] => utility [patent_app_number] => 11/261587 [patent_app_country] => US [patent_app_date] => 2005-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3326 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/100/07100555.pdf [firstpage_image] =>[orig_patent_app_number] => 11261587 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/261587
Valve timing controller Oct 30, 2005 Issued
Array ( [id] => 409719 [patent_doc_number] => 07281504 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-10-16 [patent_title] => 'Valve train device for engine' [patent_app_type] => utility [patent_app_number] => 11/263528 [patent_app_country] => US [patent_app_date] => 2005-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7626 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/281/07281504.pdf [firstpage_image] =>[orig_patent_app_number] => 11263528 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/263528
Valve train device for engine Oct 30, 2005 Issued
Array ( [id] => 4484840 [patent_doc_number] => 07954466 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2011-06-07 [patent_title] => 'Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft' [patent_app_type] => utility [patent_app_number] => 11/719366 [patent_app_country] => US [patent_app_date] => 2005-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4282 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/954/07954466.pdf [firstpage_image] =>[orig_patent_app_number] => 11719366 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/719366
Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft Oct 24, 2005 Issued
Array ( [id] => 392679 [patent_doc_number] => 07296547 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-11-20 [patent_title] => 'Device for adjusting the camshaft of an internal combustion engine and a mounting tool' [patent_app_type] => utility [patent_app_number] => 11/256338 [patent_app_country] => US [patent_app_date] => 2005-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2248 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/296/07296547.pdf [firstpage_image] =>[orig_patent_app_number] => 11256338 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/256338
Device for adjusting the camshaft of an internal combustion engine and a mounting tool Oct 20, 2005 Issued
Array ( [id] => 242276 [patent_doc_number] => 07588006 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-09-15 [patent_title] => 'Bearing between two coaxial camshafts for automotive engines in particular' [patent_app_type] => utility [patent_app_number] => 11/628170 [patent_app_country] => US [patent_app_date] => 2005-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2292 [patent_no_of_claims] => 15 [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/07/588/07588006.pdf [firstpage_image] =>[orig_patent_app_number] => 11628170 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/628170
Bearing between two coaxial camshafts for automotive engines in particular Oct 20, 2005 Issued
Array ( [id] => 4896136 [patent_doc_number] => 20080115749 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-05-22 [patent_title] => 'Variable Valve Drive of an Internal Combustion Engine' [patent_app_type] => utility [patent_app_number] => 11/718678 [patent_app_country] => US [patent_app_date] => 2005-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3800 [patent_no_of_claims] => 10 [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/A1/0115/20080115749.pdf [firstpage_image] =>[orig_patent_app_number] => 11718678 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/718678
Variable valve drive of an internal combustion engine Oct 11, 2005 Issued
Array ( [id] => 214289 [patent_doc_number] => 07617806 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-11-17 [patent_title] => 'Valve drive of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/718667 [patent_app_country] => US [patent_app_date] => 2005-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4254 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/617/07617806.pdf [firstpage_image] =>[orig_patent_app_number] => 11718667 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/718667
Valve drive of an internal combustion engine Oct 11, 2005 Issued
Array ( [id] => 5610997 [patent_doc_number] => 20060112920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2006-06-01 [patent_title] => 'Camshaft adjuster having a means for securing against modification' [patent_app_type] => utility [patent_app_number] => 11/248508 [patent_app_country] => US [patent_app_date] => 2005-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2578 [patent_no_of_claims] => 8 [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/A1/0112/20060112920.pdf [firstpage_image] =>[orig_patent_app_number] => 11248508 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/248508
Camshaft adjuster having a means for securing against modification Oct 11, 2005 Issued
Array ( [id] => 434339 [patent_doc_number] => 07261072 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2007-08-28 [patent_title] => 'Device for altering the control times of gas exchange valves of an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/244729 [patent_app_country] => US [patent_app_date] => 2005-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 12298 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/261/07261072.pdf [firstpage_image] =>[orig_patent_app_number] => 11244729 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/244729
Device for altering the control times of gas exchange valves of an internal combustion engine Oct 5, 2005 Issued
Array ( [id] => 5103600 [patent_doc_number] => 20070062475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-03-22 [patent_title] => 'Ina-schaeffler kg, industriestrasse 1 - 3, 91074 herzogenaurach anr 12 88 48 20' [patent_app_type] => utility [patent_app_number] => 11/243906 [patent_app_country] => US [patent_app_date] => 2005-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 11056 [patent_no_of_claims] => 3 [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/A1/0062/20070062475.pdf [firstpage_image] =>[orig_patent_app_number] => 11243906 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/243906
INA-schaeffler KG, industriestrasse 1-3, 91074 herzogenaurach ANR 12 88 48 20 Oct 4, 2005 Issued
Array ( [id] => 344010 [patent_doc_number] => 07497194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2009-03-03 [patent_title] => 'Tappet clearance automatic adjusting device and adjusting method' [patent_app_type] => utility [patent_app_number] => 11/666807 [patent_app_country] => US [patent_app_date] => 2005-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8561 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/497/07497194.pdf [firstpage_image] =>[orig_patent_app_number] => 11666807 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/666807
Tappet clearance automatic adjusting device and adjusting method Sep 29, 2005 Issued
Array ( [id] => 5207405 [patent_doc_number] => 20070245989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-10-25 [patent_title] => 'Method for Adjusting the Position of the Angle of Rotation of the Camshaft of a Reciprocating Piston Internal Combustion Engine in Relation to the Crankshaft' [patent_app_type] => utility [patent_app_number] => 11/577619 [patent_app_country] => US [patent_app_date] => 2005-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4552 [patent_no_of_claims] => 11 [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/A1/0245/20070245989.pdf [firstpage_image] =>[orig_patent_app_number] => 11577619 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/577619
Method for adjusting the position of the angle of rotation of the camshaft of a reciprocating piston internal combustion engine in relation to the crankshaft Sep 27, 2005 Issued
Array ( [id] => 4654096 [patent_doc_number] => 20080022956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2008-01-31 [patent_title] => 'Automatic Tappet Clearance Adjusting Device' [patent_app_type] => utility [patent_app_number] => 11/664201 [patent_app_country] => US [patent_app_date] => 2005-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7033 [patent_no_of_claims] => 11 [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/A1/0022/20080022956.pdf [firstpage_image] =>[orig_patent_app_number] => 11664201 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/664201
Automatic tappet clearance adjusting device Sep 27, 2005 Issued
Array ( [id] => 5025526 [patent_doc_number] => 20070266972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-22 [patent_title] => 'Automatic Tappet Clearance Adjusting Device and Method' [patent_app_type] => utility [patent_app_number] => 11/664197 [patent_app_country] => US [patent_app_date] => 2005-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8618 [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/A1/0266/20070266972.pdf [firstpage_image] =>[orig_patent_app_number] => 11664197 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/664197
Automatic tappet clearance adjusting device and method Sep 27, 2005 Issued
Array ( [id] => 120161 [patent_doc_number] => 07703427 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2010-04-27 [patent_title] => 'Lifelong-lubricated camshaft drive for an internal combustion engine' [patent_app_type] => utility [patent_app_number] => 11/577605 [patent_app_country] => US [patent_app_date] => 2005-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3221 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/07/703/07703427.pdf [firstpage_image] =>[orig_patent_app_number] => 11577605 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/577605
Lifelong-lubricated camshaft drive for an internal combustion engine Sep 26, 2005 Issued
Array ( [id] => 5042999 [patent_doc_number] => 20070261670 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-15 [patent_title] => 'Method for Adjusting the Rotational Angle Position of the Camshaft of a Reciprocating Internal Combustion Engine in Relation to the Crankshaft' [patent_app_type] => utility [patent_app_number] => 11/576299 [patent_app_country] => US [patent_app_date] => 2005-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5645 [patent_no_of_claims] => 11 [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/A1/0261/20070261670.pdf [firstpage_image] =>[orig_patent_app_number] => 11576299 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/576299
Method for Adjusting the Rotational Angle Position of the Camshaft of a Reciprocating Internal Combustion Engine in Relation to the Crankshaft Sep 23, 2005 Abandoned
Array ( [id] => 5162335 [patent_doc_number] => 20070283915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-12-13 [patent_title] => 'Switchable Cam Follower' [patent_app_type] => utility [patent_app_number] => 11/577632 [patent_app_country] => US [patent_app_date] => 2005-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1957 [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/A1/0283/20070283915.pdf [firstpage_image] =>[orig_patent_app_number] => 11577632 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/577632
Switchable cam follower Sep 20, 2005 Issued
Array ( [id] => 5222207 [patent_doc_number] => 20070251473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2007-11-01 [patent_title] => 'Camshaft Adjuster' [patent_app_type] => utility [patent_app_number] => 11/576579 [patent_app_country] => US [patent_app_date] => 2005-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 6257 [patent_no_of_claims] => 20 [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/A1/0251/20070251473.pdf [firstpage_image] =>[orig_patent_app_number] => 11576579 [rel_patent_id] =>[rel_patent_doc_number] =>)
11/576579
Camshaft Adjuster Sep 9, 2005 Abandoned
Menu