
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 9208654
[patent_doc_number] => 20140007831
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-01-09
[patent_title] => 'CAMSHAFT ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/005894
[patent_app_country] => US
[patent_app_date] => 2012-02-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3615
[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] => 14005894
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/005894 | Camshaft adjuster | Feb 22, 2012 | Issued |
Array
(
[id] => 9170702
[patent_doc_number] => 20130312685
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-11-28
[patent_title] => 'TIMING CHAIN DRIVE DEVICE'
[patent_app_type] => utility
[patent_app_number] => 13/983896
[patent_app_country] => US
[patent_app_date] => 2012-02-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 4131
[patent_no_of_claims] => 5
[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] => 13983896
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/983896 | Timing chain drive device | Feb 21, 2012 | Issued |
Array
(
[id] => 9399705
[patent_doc_number] => 08689750
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-04-08
[patent_title] => 'Camshaft phasing device'
[patent_app_type] => utility
[patent_app_number] => 13/372971
[patent_app_country] => US
[patent_app_date] => 2012-02-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 3308
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 227
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13372971
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/372971 | Camshaft phasing device | Feb 13, 2012 | Issued |
Array
(
[id] => 9366383
[patent_doc_number] => 20140076256
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-03-20
[patent_title] => 'CONSTRUCTED SLIDE CAM UNIT'
[patent_app_type] => utility
[patent_app_number] => 14/116188
[patent_app_country] => US
[patent_app_date] => 2012-02-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 1893
[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] => 14116188
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/116188 | Constructed slide cam unit | Feb 8, 2012 | Issued |
Array
(
[id] => 9309869
[patent_doc_number] => 08651079
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-02-18
[patent_title] => 'Deactivating hydraulic valve lash adjuster/compensator with temporary lash compensation deactivation'
[patent_app_type] => utility
[patent_app_number] => 13/356832
[patent_app_country] => US
[patent_app_date] => 2012-01-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 29
[patent_figures_cnt] => 106
[patent_no_of_words] => 8640
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 192
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13356832
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/356832 | Deactivating hydraulic valve lash adjuster/compensator with temporary lash compensation deactivation | Jan 23, 2012 | Issued |
Array
(
[id] => 8924726
[patent_doc_number] => 20130180487
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-07-18
[patent_title] => 'ENGINE DRIVE SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 13/351070
[patent_app_country] => US
[patent_app_date] => 2012-01-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3830
[patent_no_of_claims] => 20
[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] => 13351070
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/351070 | Engine drive system | Jan 15, 2012 | Issued |
Array
(
[id] => 10033187
[patent_doc_number] => 09074495
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-07-07
[patent_title] => 'Mechanically controllable valve-train assembly'
[patent_app_type] => utility
[patent_app_number] => 13/980575
[patent_app_country] => US
[patent_app_date] => 2012-01-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2668
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 251
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13980575
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/980575 | Mechanically controllable valve-train assembly | Jan 12, 2012 | Issued |
Array
(
[id] => 9848650
[patent_doc_number] => 08950371
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-02-10
[patent_title] => 'Three-shaft transmission having an elastic coupling element'
[patent_app_type] => utility
[patent_app_number] => 13/981656
[patent_app_country] => US
[patent_app_date] => 2011-12-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 2641
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 86
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13981656
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/981656 | Three-shaft transmission having an elastic coupling element | Dec 21, 2011 | Issued |
Array
(
[id] => 10149591
[patent_doc_number] => 09181871
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-11-10
[patent_title] => 'Indirectly heated gas turbine system'
[patent_app_type] => utility
[patent_app_number] => 13/994987
[patent_app_country] => US
[patent_app_date] => 2011-12-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 5110
[patent_no_of_claims] => 29
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 131
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13994987
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/994987 | Indirectly heated gas turbine system | Dec 14, 2011 | Issued |
Array
(
[id] => 9411514
[patent_doc_number] => 08695548
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-04-15
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => utility
[patent_app_number] => 13/313209
[patent_app_country] => US
[patent_app_date] => 2011-12-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 20
[patent_no_of_words] => 12097
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 439
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13313209
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/313209 | Valve timing control apparatus | Dec 6, 2011 | Issued |
Array
(
[id] => 9975700
[patent_doc_number] => 09022000
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-05-05
[patent_title] => 'Valve timing control device for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/241978
[patent_app_country] => US
[patent_app_date] => 2011-12-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3821
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 318
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14241978
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/241978 | Valve timing control device for internal combustion engine | Nov 30, 2011 | Issued |
Array
(
[id] => 9024670
[patent_doc_number] => 08534243
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-09-17
[patent_title] => 'Internal combustion engine with masking wall the curtain area of the intake valves'
[patent_app_type] => utility
[patent_app_number] => 13/303920
[patent_app_country] => US
[patent_app_date] => 2011-11-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 13
[patent_no_of_words] => 5452
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 474
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13303920
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/303920 | Internal combustion engine with masking wall the curtain area of the intake valves | Nov 22, 2011 | Issued |
Array
(
[id] => 9037280
[patent_doc_number] => 20130239918
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-09-19
[patent_title] => 'CONTROL APPARATUS FOR VARIABLE VALVE ACTUATION SYSTEM AND CONTROL METHOD FOR VARIABLE VALVE ACTUATION SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 13/988628
[patent_app_country] => US
[patent_app_date] => 2011-11-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 8538
[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] => 13988628
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/988628 | Control apparatus for variable valve actuation system and control method for variable valve actuation system | Nov 21, 2011 | Issued |
Array
(
[id] => 9826777
[patent_doc_number] => 08935999
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-01-20
[patent_title] => 'Control device for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 13/580530
[patent_app_country] => US
[patent_app_date] => 2011-11-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 12
[patent_no_of_words] => 12343
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 164
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13580530
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/580530 | Control device for internal combustion engine | Nov 9, 2011 | Issued |
Array
(
[id] => 7786667
[patent_doc_number] => 20120048223
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-03-01
[patent_title] => 'ROCKER ARM APPARATUS FOR ENGINE CYLINDER DEACTIVATION'
[patent_app_type] => utility
[patent_app_number] => 13/290871
[patent_app_country] => US
[patent_app_date] => 2011-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 7249
[patent_no_of_claims] => 16
[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/A1/0048/20120048223.pdf
[firstpage_image] =>[orig_patent_app_number] => 13290871
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/290871 | Rocker arm apparatus for engine cylinder deactivation | Nov 6, 2011 | Issued |
Array
(
[id] => 7748671
[patent_doc_number] => 20120024256
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-02
[patent_title] => 'ENGINE COVER HAVING A RETAINER TO SECURE AN ENGINE ACCESSORY'
[patent_app_type] => utility
[patent_app_number] => 13/269890
[patent_app_country] => US
[patent_app_date] => 2011-10-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 3060
[patent_no_of_claims] => 16
[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/A1/0024/20120024256.pdf
[firstpage_image] =>[orig_patent_app_number] => 13269890
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/269890 | Engine cover having a retainer to secure an engine accessory | Oct 9, 2011 | Issued |
Array
(
[id] => 8924727
[patent_doc_number] => 20130180486
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-07-18
[patent_title] => 'VARIABLE CAMSHAFT TIMING MECHANISM WITH A DEFAULT MODE'
[patent_app_type] => utility
[patent_app_number] => 13/876217
[patent_app_country] => US
[patent_app_date] => 2011-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 18518
[patent_no_of_claims] => 22
[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] => 13876217
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/876217 | Variable camshaft timing mechanism with a default mode | Sep 29, 2011 | Issued |
Array
(
[id] => 10097462
[patent_doc_number] => 09133766
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-09-15
[patent_title] => 'Internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 13/877557
[patent_app_country] => US
[patent_app_date] => 2011-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 1906
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 99
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13877557
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/877557 | Internal combustion engine | Sep 28, 2011 | Issued |
Array
(
[id] => 10169839
[patent_doc_number] => 09200542
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-12-01
[patent_title] => 'Camshaft adjuster having a restoring spring'
[patent_app_type] => utility
[patent_app_number] => 13/994854
[patent_app_country] => US
[patent_app_date] => 2011-09-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 2378
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 98
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13994854
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/994854 | Camshaft adjuster having a restoring spring | Sep 18, 2011 | Issued |
Array
(
[id] => 10033188
[patent_doc_number] => 09074496
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-07-07
[patent_title] => 'Electromagnetic actuating device'
[patent_app_type] => utility
[patent_app_number] => 13/989716
[patent_app_country] => US
[patent_app_date] => 2011-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 10
[patent_no_of_words] => 2718
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13989716
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/989716 | Electromagnetic actuating device | Sep 14, 2011 | Issued |