
Ching Chang
Examiner (ID: 13382, 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] => 5018513
[patent_doc_number] => 20070144477
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-06-28
[patent_title] => 'Twincam engine and motorcycle comprising the same'
[patent_app_type] => utility
[patent_app_number] => 11/599156
[patent_app_country] => US
[patent_app_date] => 2006-11-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 5397
[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/A1/0144/20070144477.pdf
[firstpage_image] =>[orig_patent_app_number] => 11599156
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/599156 | Twincam engine and motorcycle comprising the same | Nov 12, 2006 | Issued |
Array
(
[id] => 851362
[patent_doc_number] => 07377247
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-05-27
[patent_title] => 'Adjustable valve rocker lever of a valve timing gear of an internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/595257
[patent_app_country] => US
[patent_app_date] => 2006-11-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 2387
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 260
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/377/07377247.pdf
[firstpage_image] =>[orig_patent_app_number] => 11595257
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/595257 | Adjustable valve rocker lever of a valve timing gear of an internal combustion engine | Nov 8, 2006 | Issued |
Array
(
[id] => 5438685
[patent_doc_number] => 20090090324
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-04-09
[patent_title] => 'Sealed Lash Adjuster and Method for Adjusting Amount of Liquid Sealed in Sealed Lash Adjuster'
[patent_app_type] => utility
[patent_app_number] => 12/084379
[patent_app_country] => US
[patent_app_date] => 2006-11-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 20
[patent_figures_cnt] => 20
[patent_no_of_words] => 13702
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0090/20090090324.pdf
[firstpage_image] =>[orig_patent_app_number] => 12084379
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/084379 | Sealed lash adjuster and method for adjusting amount of liquid sealed in sealed lash adjuster | Nov 7, 2006 | Issued |
Array
(
[id] => 5092196
[patent_doc_number] => 20070113805
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-24
[patent_title] => 'INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A METHOD FOR CONTROLLING VALVE LIFT SHIFTING'
[patent_app_type] => utility
[patent_app_number] => 11/556737
[patent_app_country] => US
[patent_app_date] => 2006-11-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1774
[patent_no_of_claims] => 5
[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/A1/0113/20070113805.pdf
[firstpage_image] =>[orig_patent_app_number] => 11556737
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/556737 | INTERNAL COMBUSTION ENGINE COMPRISING A VARIABLE VALVE LIFT SYSTEM AND A METHOD FOR CONTROLLING VALVE LIFT SHIFTING | Nov 5, 2006 | Abandoned |
Array
(
[id] => 5030778
[patent_doc_number] => 20070095317
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-03
[patent_title] => 'Hydraulic camshaft adjuster and method for assembling the same'
[patent_app_type] => utility
[patent_app_number] => 11/592730
[patent_app_country] => US
[patent_app_date] => 2006-11-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2820
[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/A1/0095/20070095317.pdf
[firstpage_image] =>[orig_patent_app_number] => 11592730
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/592730 | Hydraulic camshaft adjuster and method for assembling the same | Nov 2, 2006 | Issued |
Array
(
[id] => 551514
[patent_doc_number] => 07464675
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2008-12-16
[patent_title] => 'Operating an air-hybrid vehicle with camshaft-driven engine valves'
[patent_app_type] => utility
[patent_app_number] => 11/590549
[patent_app_country] => US
[patent_app_date] => 2006-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 20
[patent_no_of_words] => 15650
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 481
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/464/07464675.pdf
[firstpage_image] =>[orig_patent_app_number] => 11590549
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/590549 | Operating an air-hybrid vehicle with camshaft-driven engine valves | Oct 31, 2006 | Issued |
Array
(
[id] => 5115901
[patent_doc_number] => 20070137614
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-06-21
[patent_title] => 'Rotary-to-linear actuator, linear motion shaft mechanism, variable valve actuation mechanism and variable valve engine'
[patent_app_type] => utility
[patent_app_number] => 11/590808
[patent_app_country] => US
[patent_app_date] => 2006-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 31
[patent_figures_cnt] => 31
[patent_no_of_words] => 22824
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 15
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0137/20070137614.pdf
[firstpage_image] =>[orig_patent_app_number] => 11590808
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/590808 | Rotary-to-linear actuator, linear motion shaft mechanism, variable valve actuation mechanism and variable valve engine | Oct 31, 2006 | Issued |
Array
(
[id] => 574360
[patent_doc_number] => 07438035
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-10-21
[patent_title] => 'Cam drive apparatus having a magnetic gear'
[patent_app_type] => utility
[patent_app_number] => 11/591099
[patent_app_country] => US
[patent_app_date] => 2006-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 6
[patent_no_of_words] => 2798
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 114
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/438/07438035.pdf
[firstpage_image] =>[orig_patent_app_number] => 11591099
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/591099 | Cam drive apparatus having a magnetic gear | Oct 31, 2006 | Issued |
Array
(
[id] => 5455342
[patent_doc_number] => 20090255494
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-10-15
[patent_title] => 'Variable Valve Mechanism for Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 11/989567
[patent_app_country] => US
[patent_app_date] => 2006-10-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 11236
[patent_no_of_claims] => 13
[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/A1/0255/20090255494.pdf
[firstpage_image] =>[orig_patent_app_number] => 11989567
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/989567 | Variable valve mechanism for internal combustion engine | Oct 30, 2006 | Issued |
Array
(
[id] => 5030777
[patent_doc_number] => 20070095316
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-03
[patent_title] => 'Hydraulic control system for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 11/588246
[patent_app_country] => US
[patent_app_date] => 2006-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 9963
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 6
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0095/20070095316.pdf
[firstpage_image] =>[orig_patent_app_number] => 11588246
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/588246 | Hydraulic control system for internal combustion engine | Oct 26, 2006 | Issued |
Array
(
[id] => 5455343
[patent_doc_number] => 20090255495
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2009-10-15
[patent_title] => 'Method of Variable Valve Timing in an Internal Combustion Engine'
[patent_app_type] => utility
[patent_app_number] => 12/084807
[patent_app_country] => US
[patent_app_date] => 2006-10-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 3940
[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] => publications/A1/0255/20090255495.pdf
[firstpage_image] =>[orig_patent_app_number] => 12084807
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/084807 | Method of variable valve timing in an internal combustion engine | Oct 24, 2006 | Issued |
Array
(
[id] => 231475
[patent_doc_number] => 07597072
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2009-10-06
[patent_title] => 'System and method for operating a multiple fuel engine'
[patent_app_type] => utility
[patent_app_number] => 11/552310
[patent_app_country] => US
[patent_app_date] => 2006-10-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 10
[patent_no_of_words] => 8291
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 89
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/597/07597072.pdf
[firstpage_image] =>[orig_patent_app_number] => 11552310
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/552310 | System and method for operating a multiple fuel engine | Oct 23, 2006 | Issued |
Array
(
[id] => 5053622
[patent_doc_number] => 20070056542
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-03-15
[patent_title] => 'Angular camshaft position adjustment drive'
[patent_app_type] => utility
[patent_app_number] => 11/584337
[patent_app_country] => US
[patent_app_date] => 2006-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 3050
[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/A1/0056/20070056542.pdf
[firstpage_image] =>[orig_patent_app_number] => 11584337
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/584337 | Angular camshaft position adjustment drive | Oct 19, 2006 | Issued |
Array
(
[id] => 851356
[patent_doc_number] => 07377243
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-05-27
[patent_title] => 'Adjusting mechanism for a camshaft arrangement'
[patent_app_type] => utility
[patent_app_number] => 11/584336
[patent_app_country] => US
[patent_app_date] => 2006-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 9
[patent_no_of_words] => 4254
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 210
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/377/07377243.pdf
[firstpage_image] =>[orig_patent_app_number] => 11584336
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/584336 | Adjusting mechanism for a camshaft arrangement | Oct 19, 2006 | Issued |
Array
(
[id] => 570587
[patent_doc_number] => 07444968
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2008-11-04
[patent_title] => 'Variable phase drive coupling'
[patent_app_type] => utility
[patent_app_number] => 11/550886
[patent_app_country] => US
[patent_app_date] => 2006-10-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 11
[patent_no_of_words] => 2801
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 120
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/07/444/07444968.pdf
[firstpage_image] =>[orig_patent_app_number] => 11550886
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/550886 | Variable phase drive coupling | Oct 18, 2006 | Issued |
Array
(
[id] => 4742640
[patent_doc_number] => 20080087241
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-04-17
[patent_title] => 'Camshaft phaser having a differential bevel gear system'
[patent_app_type] => utility
[patent_app_number] => 11/582087
[patent_app_country] => US
[patent_app_date] => 2006-10-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3768
[patent_no_of_claims] => 18
[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/A1/0087/20080087241.pdf
[firstpage_image] =>[orig_patent_app_number] => 11582087
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/582087 | Camshaft phaser having a differential bevel gear system | Oct 16, 2006 | Issued |
Array
(
[id] => 5030771
[patent_doc_number] => 20070095310
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-05-03
[patent_title] => 'VALVE OPERATING MECHANISM'
[patent_app_type] => utility
[patent_app_number] => 11/550082
[patent_app_country] => US
[patent_app_date] => 2006-10-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3331
[patent_no_of_claims] => 44
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 0
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0095/20070095310.pdf
[firstpage_image] =>[orig_patent_app_number] => 11550082
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/550082 | Valve operating mechanism | Oct 16, 2006 | Issued |
Array
(
[id] => 4679097
[patent_doc_number] => 20080245323
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-10-09
[patent_title] => 'Pump System for Supplying Pressurized Hydraulic Fluid to a Hydraulically Activated Valvetrain'
[patent_app_type] => utility
[patent_app_number] => 12/088728
[patent_app_country] => US
[patent_app_date] => 2006-10-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 1695
[patent_no_of_claims] => 6
[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/A1/0245/20080245323.pdf
[firstpage_image] =>[orig_patent_app_number] => 12088728
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/088728 | Pump System for Supplying Pressurized Hydraulic Fluid to a Hydraulically Activated Valvetrain | Oct 12, 2006 | Abandoned |
Array
(
[id] => 4694594
[patent_doc_number] => 20080216778
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2008-09-11
[patent_title] => 'Pump System and Decoupler for Supplying Pressurized Hydraulic Fluid to a Hydraulically Actuated Valvetrain'
[patent_app_type] => utility
[patent_app_number] => 12/088876
[patent_app_country] => US
[patent_app_date] => 2006-10-13
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2144
[patent_no_of_claims] => 15
[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/A1/0216/20080216778.pdf
[firstpage_image] =>[orig_patent_app_number] => 12088876
[rel_patent_id] =>[rel_patent_doc_number] =>) 12/088876 | Pump system and decoupler for supplying pressurized hydraulic fluid to a hydraulically actuated valvetrain | Oct 12, 2006 | Issued |
Array
(
[id] => 4979872
[patent_doc_number] => 20070084426
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2007-04-19
[patent_title] => 'ADJUSTABLE VALVE ROCKER LEVER'
[patent_app_type] => utility
[patent_app_number] => 11/546869
[patent_app_country] => US
[patent_app_date] => 2006-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2265
[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/A1/0084/20070084426.pdf
[firstpage_image] =>[orig_patent_app_number] => 11546869
[rel_patent_id] =>[rel_patent_doc_number] =>) 11/546869 | Adjustable valve rocker lever | Oct 11, 2006 | Issued |