
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] => 10039776
[patent_doc_number] => 09080475
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-07-14
[patent_title] => 'Valve timing control device and valve timing control mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/131102
[patent_app_country] => US
[patent_app_date] => 2012-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 23
[patent_no_of_words] => 9960
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 462
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14131102
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/131102 | Valve timing control device and valve timing control mechanism | Jun 14, 2012 | Issued |
Array
(
[id] => 9487414
[patent_doc_number] => 20140137820
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-05-22
[patent_title] => 'ELECTROMAGNETIC ACTUATING DEVICE AND CAMSHAFT ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/127993
[patent_app_country] => US
[patent_app_date] => 2012-06-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4347
[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] =>[firstpage_image] =>[orig_patent_app_number] => 14127993
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/127993 | Electromagnetic actuating device and camshaft adjuster | Jun 14, 2012 | Issued |
Array
(
[id] => 9955844
[patent_doc_number] => 09004026
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-04-14
[patent_title] => 'Internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 13/523550
[patent_app_country] => US
[patent_app_date] => 2012-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 2327
[patent_no_of_claims] => 19
[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] =>[firstpage_image] =>[orig_patent_app_number] => 13523550
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/523550 | Internal combustion engine | Jun 13, 2012 | Issued |
Array
(
[id] => 9480924
[patent_doc_number] => 08726864
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-05-20
[patent_title] => 'Engine that actively varies compression expansion ratio'
[patent_app_type] => utility
[patent_app_number] => 13/488975
[patent_app_country] => US
[patent_app_date] => 2012-06-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 3998
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 270
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13488975
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/488975 | Engine that actively varies compression expansion ratio | Jun 4, 2012 | Issued |
Array
(
[id] => 11790454
[patent_doc_number] => 09400039
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-07-26
[patent_title] => 'Camshaft adjuster'
[patent_app_type] => utility
[patent_app_number] => 14/233956
[patent_app_country] => US
[patent_app_date] => 2012-05-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3069
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 148
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14233956
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/233956 | Camshaft adjuster | May 22, 2012 | Issued |
Array
(
[id] => 9215001
[patent_doc_number] => 08627794
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-01-14
[patent_title] => 'Fluid brake device and variable valve timing apparatus'
[patent_app_type] => utility
[patent_app_number] => 13/472838
[patent_app_country] => US
[patent_app_date] => 2012-05-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 11094
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 243
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13472838
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/472838 | Fluid brake device and variable valve timing apparatus | May 15, 2012 | Issued |
Array
(
[id] => 9759971
[patent_doc_number] => 08844282
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-09-30
[patent_title] => 'Exhaust-gas turbocharger having a ball-cock waste-gate valve with a stress-relieved crank arm'
[patent_app_type] => utility
[patent_app_number] => 14/122767
[patent_app_country] => US
[patent_app_date] => 2012-05-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 3672
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 162
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14122767
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/122767 | Exhaust-gas turbocharger having a ball-cock waste-gate valve with a stress-relieved crank arm | May 8, 2012 | Issued |
Array
(
[id] => 9151735
[patent_doc_number] => 08584631
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-11-19
[patent_title] => 'Continuously variable valve lift system with default mechanism'
[patent_app_type] => utility
[patent_app_number] => 13/461064
[patent_app_country] => US
[patent_app_date] => 2012-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 3453
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 189
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13461064
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/461064 | Continuously variable valve lift system with default mechanism | Apr 30, 2012 | Issued |
Array
(
[id] => 10149540
[patent_doc_number] => 09181820
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-11-10
[patent_title] => 'Valve mechanism for internal combustion engine and control device for valve mechanism'
[patent_app_type] => utility
[patent_app_number] => 14/396499
[patent_app_country] => US
[patent_app_date] => 2012-04-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 11
[patent_no_of_words] => 6161
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 249
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14396499
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/396499 | Valve mechanism for internal combustion engine and control device for valve mechanism | Apr 26, 2012 | Issued |
Array
(
[id] => 9830312
[patent_doc_number] => 08939119
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-01-27
[patent_title] => 'Camshaft adjustment device'
[patent_app_type] => utility
[patent_app_number] => 14/122389
[patent_app_country] => US
[patent_app_date] => 2012-04-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 3635
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 166
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14122389
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/122389 | Camshaft adjustment device | Apr 17, 2012 | Issued |
Array
(
[id] => 10051349
[patent_doc_number] => 09091218
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-07-28
[patent_title] => 'Valve train and method for control time variation'
[patent_app_type] => utility
[patent_app_number] => 14/009840
[patent_app_country] => US
[patent_app_date] => 2012-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 21
[patent_no_of_words] => 5385
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 114
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14009840
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/009840 | Valve train and method for control time variation | Apr 9, 2012 | Issued |
Array
(
[id] => 8320417
[patent_doc_number] => 20120192819
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-08-02
[patent_title] => 'VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/443395
[patent_app_country] => US
[patent_app_date] => 2012-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 44943
[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] => 13443395
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/443395 | Valve timing control apparatus for internal combustion engine | Apr 9, 2012 | Issued |
Array
(
[id] => 9151744
[patent_doc_number] => 08584640
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-11-19
[patent_title] => 'Finger follower of a valve train'
[patent_app_type] => utility
[patent_app_number] => 13/440680
[patent_app_country] => US
[patent_app_date] => 2012-04-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3891
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 328
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13440680
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/440680 | Finger follower of a valve train | Apr 4, 2012 | Issued |
Array
(
[id] => 10057855
[patent_doc_number] => 09097204
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-08-04
[patent_title] => 'Cylinder head configuration for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/003270
[patent_app_country] => US
[patent_app_date] => 2012-03-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 3147
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 30
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14003270
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/003270 | Cylinder head configuration for internal combustion engine | Mar 29, 2012 | Issued |
Array
(
[id] => 9927278
[patent_doc_number] => 20150075470
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2015-03-19
[patent_title] => 'MECHANICAL LASH ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/385427
[patent_app_country] => US
[patent_app_date] => 2012-03-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 13599
[patent_no_of_claims] => 4
[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] => 14385427
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/385427 | Mechanical lash adjuster | Mar 15, 2012 | Issued |
Array
(
[id] => 9208651
[patent_doc_number] => 20140007828
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-01-09
[patent_title] => 'CAMSHAFT ASSEMBLY AND METHOD FOR PRODUCING A CAMSHAFT ASSEMBLY'
[patent_app_type] => utility
[patent_app_number] => 14/005755
[patent_app_country] => US
[patent_app_date] => 2012-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 4631
[patent_no_of_claims] => 16
[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] =>[firstpage_image] =>[orig_patent_app_number] => 14005755
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/005755 | Camshaft assembly and method for producing a camshaft assembly | Mar 11, 2012 | Issued |
Array
(
[id] => 8403457
[patent_doc_number] => 20120235518
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-09-20
[patent_title] => 'Oscillating Motor Adjuster'
[patent_app_type] => utility
[patent_app_number] => 13/417440
[patent_app_country] => US
[patent_app_date] => 2012-03-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3534
[patent_no_of_claims] => 13
[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] => 13417440
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/417440 | Oscillating Motor Adjuster | Mar 11, 2012 | Abandoned |
Array
(
[id] => 8389862
[patent_doc_number] => 20120227697
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-09-13
[patent_title] => 'VALVE DRIVE FOR AN INTERNAL COMBUSTION ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/412158
[patent_app_country] => US
[patent_app_date] => 2012-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 4460
[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] => 13412158
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/412158 | Valve drive for an internal combustion engine | Mar 4, 2012 | Issued |
Array
(
[id] => 9920656
[patent_doc_number] => 08978605
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-03-17
[patent_title] => 'Phase-adjusting device of a camshaft for an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 14/126182
[patent_app_country] => US
[patent_app_date] => 2012-02-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 1887
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[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] => 14126182
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/126182 | Phase-adjusting device of a camshaft for an internal combustion engine | Feb 26, 2012 | Issued |
Array
(
[id] => 9208650
[patent_doc_number] => 20140007827
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2014-01-09
[patent_title] => 'CAMSHAFT ADJUSTER'
[patent_app_type] => utility
[patent_app_number] => 14/004536
[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] => 2574
[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] =>[firstpage_image] =>[orig_patent_app_number] => 14004536
[rel_patent_id] =>[rel_patent_doc_number] =>) 14/004536 | Camshaft adjuster | Feb 22, 2012 | Issued |