
Ching Chang
Examiner (ID: 5925, Phone: (571)272-4857 , Office: P/3748 )
| Most Active Art Unit | 3748 |
| Art Unit(s) | 3746, 3748 |
| Total Applications | 1871 |
| Issued Applications | 1700 |
| Pending Applications | 11 |
| Abandoned Applications | 170 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 8402215
[patent_doc_number] => 20120234277
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-09-20
[patent_title] => 'ROLLER TAPPET'
[patent_app_type] => utility
[patent_app_number] => 13/512413
[patent_app_country] => US
[patent_app_date] => 2010-10-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2012
[patent_no_of_claims] => 21
[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] => 13512413
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/512413 | Roller tappet | Oct 13, 2010 | Issued |
Array
(
[id] => 8343906
[patent_doc_number] => 20120204824
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-08-16
[patent_title] => 'VALVE GEAR OF ENGINE'
[patent_app_type] => utility
[patent_app_number] => 13/500451
[patent_app_country] => US
[patent_app_date] => 2010-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 19
[patent_figures_cnt] => 19
[patent_no_of_words] => 15677
[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] => 13500451
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/500451 | Valve gear of engine | Oct 3, 2010 | Issued |
Array
(
[id] => 8320410
[patent_doc_number] => 20120192820
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-08-02
[patent_title] => 'CAMSHAFT ARRANGEMENT'
[patent_app_type] => utility
[patent_app_number] => 13/500335
[patent_app_country] => US
[patent_app_date] => 2010-10-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2998
[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] => 13500335
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/500335 | Camshaft arrangement | Oct 3, 2010 | Issued |
Array
(
[id] => 8292650
[patent_doc_number] => 08220427
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-07-17
[patent_title] => 'VCT active lock pin control'
[patent_app_type] => utility
[patent_app_number] => 12/891033
[patent_app_country] => US
[patent_app_date] => 2010-09-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2670
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 81
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12891033
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/891033 | VCT active lock pin control | Sep 26, 2010 | Issued |
Array
(
[id] => 6111940
[patent_doc_number] => 20110072808
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-31
[patent_title] => 'EXHAUST GAS RECIRCULATION SYSTEM'
[patent_app_type] => utility
[patent_app_number] => 12/891396
[patent_app_country] => US
[patent_app_date] => 2010-09-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3170
[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] => publications/A1/0072/20110072808.pdf
[firstpage_image] =>[orig_patent_app_number] => 12891396
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/891396 | Exhaust gas recirculation system | Sep 26, 2010 | Issued |
Array
(
[id] => 6198834
[patent_doc_number] => 20110061620
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-17
[patent_title] => 'VALVE TIMING CONTROL APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/881680
[patent_app_country] => US
[patent_app_date] => 2010-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3875
[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] => publications/A1/0061/20110061620.pdf
[firstpage_image] =>[orig_patent_app_number] => 12881680
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/881680 | Valve timing control apparatus | Sep 13, 2010 | Issued |
Array
(
[id] => 9298212
[patent_doc_number] => 08646426
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-02-11
[patent_title] => 'Valve lash setting process'
[patent_app_type] => utility
[patent_app_number] => 12/880503
[patent_app_country] => US
[patent_app_date] => 2010-09-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 12
[patent_no_of_words] => 5735
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 159
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12880503
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/880503 | Valve lash setting process | Sep 12, 2010 | Issued |
Array
(
[id] => 9689696
[patent_doc_number] => 08820278
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-09-02
[patent_title] => 'Valve timing control apparatus'
[patent_app_type] => utility
[patent_app_number] => 13/392563
[patent_app_country] => US
[patent_app_date] => 2010-09-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 11180
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 257
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13392563
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/392563 | Valve timing control apparatus | Sep 8, 2010 | Issued |
Array
(
[id] => 9237028
[patent_doc_number] => 08601811
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-12-10
[patent_title] => 'Method and system adjusting an exhaust heat recovery valve'
[patent_app_type] => utility
[patent_app_number] => 12/878846
[patent_app_country] => US
[patent_app_date] => 2010-09-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 8332
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 81
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12878846
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/878846 | Method and system adjusting an exhaust heat recovery valve | Sep 8, 2010 | Issued |
Array
(
[id] => 6002381
[patent_doc_number] => 20110056203
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-03-10
[patent_title] => 'Method for recuperating energy from an exhaust gas flow and motor vehicle'
[patent_app_type] => utility
[patent_app_number] => 12/807454
[patent_app_country] => US
[patent_app_date] => 2010-09-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 2090
[patent_no_of_claims] => 7
[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/A1/0056/20110056203.pdf
[firstpage_image] =>[orig_patent_app_number] => 12807454
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/807454 | Method for recuperating energy from an exhaust gas flow and motor vehicle | Sep 2, 2010 | Issued |
Array
(
[id] => 8281180
[patent_doc_number] => 08215275
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2012-07-10
[patent_title] => 'Single lobe deactivating rocker arm'
[patent_app_type] => utility
[patent_app_number] => 12/856266
[patent_app_country] => US
[patent_app_date] => 2010-08-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3992
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 186
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12856266
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/856266 | Single lobe deactivating rocker arm | Aug 12, 2010 | Issued |
Array
(
[id] => 7761316
[patent_doc_number] => 20120031357
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-09
[patent_title] => 'Feed Forward Control for Electric Variable Valve Operation'
[patent_app_type] => utility
[patent_app_number] => 12/851831
[patent_app_country] => US
[patent_app_date] => 2010-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 7124
[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] => publications/A1/0031/20120031357.pdf
[firstpage_image] =>[orig_patent_app_number] => 12851831
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/851831 | Feed forward control for electric variable valve operation | Aug 5, 2010 | Issued |
Array
(
[id] => 9097715
[patent_doc_number] => 08561585
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-10-22
[patent_title] => 'Rocker arm unit'
[patent_app_type] => utility
[patent_app_number] => 12/850994
[patent_app_country] => US
[patent_app_date] => 2010-08-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 4450
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 201
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12850994
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/850994 | Rocker arm unit | Aug 4, 2010 | Issued |
Array
(
[id] => 9230938
[patent_doc_number] => 08596238
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-12-03
[patent_title] => 'Valve train for internal combustion engines for actuating gas exchange valves'
[patent_app_type] => utility
[patent_app_number] => 13/387752
[patent_app_country] => US
[patent_app_date] => 2010-08-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2699
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 177
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13387752
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/387752 | Valve train for internal combustion engines for actuating gas exchange valves | Aug 2, 2010 | Issued |
Array
(
[id] => 7748118
[patent_doc_number] => 20120023952
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-02
[patent_title] => 'FUEL NOZZLE AND ASSEMBLY AND GAS TURBINE COMPRISING THE SAME'
[patent_app_type] => utility
[patent_app_number] => 12/847688
[patent_app_country] => US
[patent_app_date] => 2010-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 4742
[patent_no_of_claims] => 9
[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/A1/0023/20120023952.pdf
[firstpage_image] =>[orig_patent_app_number] => 12847688
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/847688 | Fuel nozzle and assembly and gas turbine comprising the same | Jul 29, 2010 | Issued |
Array
(
[id] => 6206529
[patent_doc_number] => 20110132297
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-06-09
[patent_title] => 'ELECTRO-HYDRAULIC VARIABLE VALVE LIFT APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 12/847789
[patent_app_country] => US
[patent_app_date] => 2010-07-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 5425
[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/A1/0132/20110132297.pdf
[firstpage_image] =>[orig_patent_app_number] => 12847789
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/847789 | Electro-hydraulic variable valve lift apparatus | Jul 29, 2010 | Issued |
Array
(
[id] => 7748654
[patent_doc_number] => 20120024246
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-02-02
[patent_title] => 'MULTI-MODE VALVE CONTROL MECHANISM FOR CAM-DRIVEN POPPET VALVES'
[patent_app_type] => utility
[patent_app_number] => 12/845214
[patent_app_country] => US
[patent_app_date] => 2010-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 4570
[patent_no_of_claims] => 12
[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/A1/0024/20120024246.pdf
[firstpage_image] =>[orig_patent_app_number] => 12845214
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/845214 | Multi-mode valve control mechanism for cam-driven poppet valves | Jul 27, 2010 | Issued |
Array
(
[id] => 9018530
[patent_doc_number] => 08528509
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2013-09-10
[patent_title] => 'Variable valve lift apparatus'
[patent_app_type] => utility
[patent_app_number] => 12/844596
[patent_app_country] => US
[patent_app_date] => 2010-07-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 10
[patent_no_of_words] => 2922
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 175
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 12844596
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/844596 | Variable valve lift apparatus | Jul 26, 2010 | Issued |
Array
(
[id] => 6191727
[patent_doc_number] => 20110023481
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-02-03
[patent_title] => 'Method and device for operating a wastegate actuator for a wastegate'
[patent_app_type] => utility
[patent_app_number] => 12/804672
[patent_app_country] => US
[patent_app_date] => 2010-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 4213
[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] => publications/A1/0023/20110023481.pdf
[firstpage_image] =>[orig_patent_app_number] => 12804672
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/804672 | Method and device for operating a wastegate actuator for a wastegate | Jul 25, 2010 | Issued |
Array
(
[id] => 8887243
[patent_doc_number] => 20130160427
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-06-27
[patent_title] => 'COOLING DEVICE FOR COOLING COMBUSTION GASES FROM RECOILLESS ANTI-TANK WEAPONS'
[patent_app_type] => utility
[patent_app_number] => 13/811036
[patent_app_country] => US
[patent_app_date] => 2010-07-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2347
[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] => 13811036
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/811036 | Cooling device for cooling combustion gases from recoilless anti-tank weapons | Jul 21, 2010 | Issued |