Search

Ching Chang

Examiner (ID: 3427, 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] => 9638093 [patent_doc_number] => 20140216202 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-08-07 [patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 14/172279 [patent_app_country] => US [patent_app_date] => 2014-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6923 [patent_no_of_claims] => 5 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14172279 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/172279
Valve timing control apparatus for internal combustion engine Feb 3, 2014 Issued
Array ( [id] => 11250836 [patent_doc_number] => 09476328 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-10-25 [patent_title] => 'Device for effecting an axial shift of a rotary shaft for use in a variable camshaft drive mechanism' [patent_app_type] => utility [patent_app_number] => 14/764257 [patent_app_country] => US [patent_app_date] => 2014-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 25 [patent_no_of_words] => 7236 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14764257 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/764257
Device for effecting an axial shift of a rotary shaft for use in a variable camshaft drive mechanism Jan 26, 2014 Issued
Array ( [id] => 10492061 [patent_doc_number] => 20150377083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-31 [patent_title] => 'CAM PROFILE SUMMATION MECHANISM' [patent_app_type] => utility [patent_app_number] => 14/765646 [patent_app_country] => US [patent_app_date] => 2014-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2783 [patent_no_of_claims] => 15 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14765646 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/765646
CAM PROFILE SUMMATION MECHANISM Jan 23, 2014 Abandoned
Array ( [id] => 10193475 [patent_doc_number] => 09222375 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-12-29 [patent_title] => 'Variable valve actuation apparatus, system, and method' [patent_app_type] => utility [patent_app_number] => 14/162161 [patent_app_country] => US [patent_app_date] => 2014-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 1878 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14162161 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/162161
Variable valve actuation apparatus, system, and method Jan 22, 2014 Issued
Array ( [id] => 11257224 [patent_doc_number] => 09482118 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-11-01 [patent_title] => 'Tappet' [patent_app_type] => utility [patent_app_number] => 14/761416 [patent_app_country] => US [patent_app_date] => 2014-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1223 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14761416 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/761416
Tappet Jan 19, 2014 Issued
Array ( [id] => 11635650 [patent_doc_number] => 09657610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-23 [patent_title] => 'Hydraulic camshaft adjusting device with spherical section-like lock' [patent_app_type] => utility [patent_app_number] => 14/768746 [patent_app_country] => US [patent_app_date] => 2014-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 24 [patent_no_of_words] => 3203 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14768746 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/768746
Hydraulic camshaft adjusting device with spherical section-like lock Jan 16, 2014 Issued
Array ( [id] => 10104372 [patent_doc_number] => 09140148 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Single lobe deactivating rocker arm' [patent_app_type] => utility [patent_app_number] => 14/154319 [patent_app_country] => US [patent_app_date] => 2014-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4449 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14154319 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/154319
Single lobe deactivating rocker arm Jan 13, 2014 Issued
Array ( [id] => 9612550 [patent_doc_number] => 20140202407 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'STARTING DEVICE OF SPARK-IGNITION MULTI-CYLINDER ENGINE' [patent_app_type] => utility [patent_app_number] => 14/154042 [patent_app_country] => US [patent_app_date] => 2014-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 9393 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14154042 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/154042
Starting device of spark-ignition multi-cylinder engine Jan 12, 2014 Issued
Array ( [id] => 10136430 [patent_doc_number] => 09169745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-10-27 [patent_title] => 'Engine having continuously variable valve timing mechanism' [patent_app_type] => utility [patent_app_number] => 14/145473 [patent_app_country] => US [patent_app_date] => 2013-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2513 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14145473 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/145473
Engine having continuously variable valve timing mechanism Dec 30, 2013 Issued
Array ( [id] => 10216559 [patent_doc_number] => 20150101553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-04-16 [patent_title] => 'ENGINE HAVING CONTINUOUS VARIABLE TIMING DEVICE' [patent_app_type] => utility [patent_app_number] => 14/145295 [patent_app_country] => US [patent_app_date] => 2013-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2213 [patent_no_of_claims] => 7 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14145295 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/145295
Engine having continuous variable timing device Dec 30, 2013 Issued
Array ( [id] => 10104371 [patent_doc_number] => 09140147 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-22 [patent_title] => 'Multiple variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 14/145446 [patent_app_country] => US [patent_app_date] => 2013-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11713 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14145446 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/145446
Multiple variable valve lift apparatus Dec 30, 2013 Issued
Array ( [id] => 9955849 [patent_doc_number] => 09004031 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2015-04-14 [patent_title] => 'Connecting structure of multiple variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 14/144288 [patent_app_country] => US [patent_app_date] => 2013-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 8114 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14144288 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/144288
Connecting structure of multiple variable valve lift apparatus Dec 29, 2013 Issued
Array ( [id] => 9913272 [patent_doc_number] => 20150068475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-03-12 [patent_title] => 'CONTINUOUSLY VARIABLE VALVE LIFT/TIMING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/143635 [patent_app_country] => US [patent_app_date] => 2013-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4227 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14143635 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/143635
Continuously variable valve lift/timing apparatus Dec 29, 2013 Issued
Array ( [id] => 10110395 [patent_doc_number] => 09145800 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-29 [patent_title] => 'Sealing device and camshaft adjuster' [patent_app_type] => utility [patent_app_number] => 14/135070 [patent_app_country] => US [patent_app_date] => 2013-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2636 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14135070 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/135070
Sealing device and camshaft adjuster Dec 18, 2013 Issued
Array ( [id] => 9612548 [patent_doc_number] => 20140202405 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-07-24 [patent_title] => 'VARIABLE VALVE TIMING CONTROL APPARATUS OF INTERNAL COMBUSTION ENGINE AND METHOD FOR ASSEMBLING THE SAME' [patent_app_type] => utility [patent_app_number] => 14/109105 [patent_app_country] => US [patent_app_date] => 2013-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8377 [patent_no_of_claims] => 8 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14109105 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/109105
Variable valve timing control apparatus of internal combustion engine and method for assembling the same Dec 16, 2013 Issued
Array ( [id] => 9962688 [patent_doc_number] => 09010290 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-04-21 [patent_title] => 'Multiple variable valve lift apparatus' [patent_app_type] => utility [patent_app_number] => 14/107634 [patent_app_country] => US [patent_app_date] => 2013-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 9072 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 417 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14107634 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/107634
Multiple variable valve lift apparatus Dec 15, 2013 Issued
Array ( [id] => 9417739 [patent_doc_number] => 20140102389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-04-17 [patent_title] => 'INTERNAL COMBUSTION ENGINE VALVE DRIVE DEVICE FOR A MOTOR VEHICLE' [patent_app_type] => utility [patent_app_number] => 14/106750 [patent_app_country] => US [patent_app_date] => 2013-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7638 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14106750 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/106750
Internal combustion engine valve drive device for a motor vehicle Dec 13, 2013 Issued
Array ( [id] => 10686644 [patent_doc_number] => 20160032789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'CAMSHAFT ADJUSTER' [patent_app_type] => utility [patent_app_number] => 14/774596 [patent_app_country] => US [patent_app_date] => 2013-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3748 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14774596 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/774596
Camshaft adjuster Dec 10, 2013 Issued
Array ( [id] => 9920660 [patent_doc_number] => 08978609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-03-17 [patent_title] => 'Oscillating motor adjuster' [patent_app_type] => utility [patent_app_number] => 14/102266 [patent_app_country] => US [patent_app_date] => 2013-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1750 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14102266 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/102266
Oscillating motor adjuster Dec 9, 2013 Issued
Array ( [id] => 11409466 [patent_doc_number] => 09556760 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-31 [patent_title] => 'Low friction shim surface' [patent_app_type] => utility [patent_app_number] => 14/651275 [patent_app_country] => US [patent_app_date] => 2013-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 18 [patent_no_of_words] => 3695 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14651275 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/651275
Low friction shim surface Dec 9, 2013 Issued
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