
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] => 6776083
[patent_doc_number] => 20030047163
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-13
[patent_title] => 'Multi-valve engine with gas exchange channel between inlet ports'
[patent_app_type] => new
[patent_app_number] => 10/214343
[patent_app_country] => US
[patent_app_date] => 2002-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 3437
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0047/20030047163.pdf
[firstpage_image] =>[orig_patent_app_number] => 10214343
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/214343 | Multi-valve engine with gas exchange channel between inlet ports | Aug 6, 2002 | Issued |
Array
(
[id] => 7364260
[patent_doc_number] => 20040025819
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-12
[patent_title] => 'Oil control valve and method of mounting the oil control valve'
[patent_app_type] => new
[patent_app_number] => 10/182797
[patent_app_country] => US
[patent_app_date] => 2002-08-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 14
[patent_no_of_words] => 4437
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 96
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0025/20040025819.pdf
[firstpage_image] =>[orig_patent_app_number] => 10182797
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/182797 | Oil control valve and installing method thereof | Aug 1, 2002 | Issued |
Array
(
[id] => 1259257
[patent_doc_number] => 06659056
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-12-09
[patent_title] => 'Valve train with a single camshaft'
[patent_app_type] => B2
[patent_app_number] => 10/210268
[patent_app_country] => US
[patent_app_date] => 2002-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 28
[patent_figures_cnt] => 52
[patent_no_of_words] => 13981
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 189
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/659/06659056.pdf
[firstpage_image] =>[orig_patent_app_number] => 10210268
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/210268 | Valve train with a single camshaft | Jul 31, 2002 | Issued |
Array
(
[id] => 6747303
[patent_doc_number] => 20030041823
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-06
[patent_title] => 'Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic and phase'
[patent_app_type] => new
[patent_app_number] => 10/205198
[patent_app_country] => US
[patent_app_date] => 2002-07-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 9
[patent_no_of_words] => 9722
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 202
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0041/20030041823.pdf
[firstpage_image] =>[orig_patent_app_number] => 10205198
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/205198 | Variable valve operating system of internal combustion engine enabling variation of valve-lift characteristic and phase | Jul 25, 2002 | Issued |
Array
(
[id] => 1291573
[patent_doc_number] => 06622674
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2003-09-23
[patent_title] => 'Valve timing control system for internal combustion engine'
[patent_app_type] => B2
[patent_app_number] => 10/201998
[patent_app_country] => US
[patent_app_date] => 2002-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 8
[patent_no_of_words] => 3965
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 118
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/622/06622674.pdf
[firstpage_image] =>[orig_patent_app_number] => 10201998
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/201998 | Valve timing control system for internal combustion engine | Jul 24, 2002 | Issued |
Array
(
[id] => 6671141
[patent_doc_number] => 20030056744
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-03-27
[patent_title] => 'Four cycle engine for marine drive'
[patent_app_type] => new
[patent_app_number] => 10/205049
[patent_app_country] => US
[patent_app_date] => 2002-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 11918
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 150
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0056/20030056744.pdf
[firstpage_image] =>[orig_patent_app_number] => 10205049
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/205049 | Four cycle engine for marine drive | Jul 24, 2002 | Issued |
Array
(
[id] => 6742267
[patent_doc_number] => 20030019450
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-30
[patent_title] => 'Valve timing control for marine engine'
[patent_app_type] => new
[patent_app_number] => 10/205233
[patent_app_country] => US
[patent_app_date] => 2002-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 12045
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 157
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0019/20030019450.pdf
[firstpage_image] =>[orig_patent_app_number] => 10205233
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/205233 | Valve timing control for marine engine | Jul 24, 2002 | Issued |
Array
(
[id] => 1263898
[patent_doc_number] => 06651600
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-11-25
[patent_title] => 'Rotary piston adjuster'
[patent_app_type] => B1
[patent_app_number] => 10/168472
[patent_app_country] => US
[patent_app_date] => 2002-07-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 7
[patent_no_of_words] => 3997
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 213
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/651/06651600.pdf
[firstpage_image] =>[orig_patent_app_number] => 10168472
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/168472 | Rotary piston adjuster | Jul 23, 2002 | Issued |
Array
(
[id] => 6742270
[patent_doc_number] => 20030019453
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-30
[patent_title] => 'Connection between a stem end of a gas exchange valve in an internal combustion engine and an actuator body of a valve actuator'
[patent_app_type] => new
[patent_app_number] => 10/110709
[patent_app_country] => US
[patent_app_date] => 2002-07-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 2882
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 80
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0019/20030019453.pdf
[firstpage_image] =>[orig_patent_app_number] => 10110709
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/110709 | Connection between a shaft end of a gas exchange valve of an internal combustion engine and a final control element of a valve actuator | Jul 22, 2002 | Issued |
Array
(
[id] => 6771819
[patent_doc_number] => 20030015157
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-23
[patent_title] => 'Device and method for changing the relative rotational angle of a camshaft'
[patent_app_type] => new
[patent_app_number] => 10/197477
[patent_app_country] => US
[patent_app_date] => 2002-07-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 1608
[patent_no_of_claims] => 22
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0015/20030015157.pdf
[firstpage_image] =>[orig_patent_app_number] => 10197477
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/197477 | Device and method for changing the relative rotational angle of a camshaft | Jul 17, 2002 | Issued |
Array
(
[id] => 6836658
[patent_doc_number] => 20030033998
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-02-20
[patent_title] => 'Hybrid multi-position cam indexer having controls located in rotor'
[patent_app_type] => new
[patent_app_number] => 10/198318
[patent_app_country] => US
[patent_app_date] => 2002-07-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4056
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 290
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0033/20030033998.pdf
[firstpage_image] =>[orig_patent_app_number] => 10198318
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/198318 | Hybrid multi-position cam indexer having controls located in rotor | Jul 17, 2002 | Abandoned |
Array
(
[id] => 7345815
[patent_doc_number] => 20040011312
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-22
[patent_title] => 'Cam follower arm for an internal combustion engine'
[patent_app_type] => new
[patent_app_number] => 10/198789
[patent_app_country] => US
[patent_app_date] => 2002-07-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 4902
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 57
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0011/20040011312.pdf
[firstpage_image] =>[orig_patent_app_number] => 10198789
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/198789 | Cam follower arm for an internal combustion engine | Jul 17, 2002 | Issued |
Array
(
[id] => 6690309
[patent_doc_number] => 20030037741
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-02-27
[patent_title] => 'Device to change the timing of gas exchange valves in an internal combustion engine, in particular a rotating piston positioning device to adjust the angle that a camshaft is rotated relative to a crankshaft'
[patent_app_type] => new
[patent_app_number] => 10/195577
[patent_app_country] => US
[patent_app_date] => 2002-07-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 5316
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 311
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0037/20030037741.pdf
[firstpage_image] =>[orig_patent_app_number] => 10195577
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/195577 | DEVICE TO CHANGE THE TIMING OF GAS EXCHANGE VALVES IN AN INTERNAL COMBUSTION ENGINE, IN PARTICULAR A ROTATING PISTON POSITIONING DEVICE TO ADJUST THE ANGLE THAT A CAMSHAFT IS ROTATED RELATIVE TO A CRANKSHAFT | Jul 14, 2002 | Issued |
Array
(
[id] => 1294793
[patent_doc_number] => 06619248
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2003-09-16
[patent_title] => 'Device for altering the control timing of gas exchange valves of an internal combustion engine, especially an apparatus for hydraulic rotational angle adjustment of a camshaft relative to a crankshaft'
[patent_app_type] => B1
[patent_app_number] => 10/194760
[patent_app_country] => US
[patent_app_date] => 2002-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 4369
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 349
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/619/06619248.pdf
[firstpage_image] =>[orig_patent_app_number] => 10194760
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/194760 | Device for altering the control timing of gas exchange valves of an internal combustion engine, especially an apparatus for hydraulic rotational angle adjustment of a camshaft relative to a crankshaft | Jul 11, 2002 | Issued |
Array
(
[id] => 7015071
[patent_doc_number] => 20050217622
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2005-10-06
[patent_title] => 'Valve mechanism with a variable valve opening diameter'
[patent_app_type] => utility
[patent_app_number] => 10/399656
[patent_app_country] => US
[patent_app_date] => 2002-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 4327
[patent_no_of_claims] => 25
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 0
[patent_maintenance] => 1
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0217/20050217622.pdf
[firstpage_image] =>[orig_patent_app_number] => 10399656
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/399656 | Valve mechanism with a variable valve opening diameter | Jul 11, 2002 | Abandoned |
Array
(
[id] => 1055042
[patent_doc_number] => 06854672
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-02-15
[patent_title] => 'Air-assisted air valve for air atomized spray guns'
[patent_app_type] => utility
[patent_app_number] => 10/192890
[patent_app_country] => US
[patent_app_date] => 2002-07-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2378
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 172
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/854/06854672.pdf
[firstpage_image] =>[orig_patent_app_number] => 10192890
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/192890 | Air-assisted air valve for air atomized spray guns | Jul 10, 2002 | Issued |
Array
(
[id] => 1190025
[patent_doc_number] => 06729279
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2004-05-04
[patent_title] => 'Apparatus for controlling at least one engine valve in a combustion engine'
[patent_app_type] => B1
[patent_app_number] => 10/088607
[patent_app_country] => US
[patent_app_date] => 2002-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 8
[patent_no_of_words] => 4328
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/729/06729279.pdf
[firstpage_image] =>[orig_patent_app_number] => 10088607
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/088607 | Apparatus for controlling at least one engine valve in a combustion engine | Jun 26, 2002 | Issued |
Array
(
[id] => 1051436
[patent_doc_number] => 06857403
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2005-02-22
[patent_title] => 'Hydraulically controlled actuator for activating a valve'
[patent_app_type] => utility
[patent_app_number] => 10/416107
[patent_app_country] => US
[patent_app_date] => 2002-06-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 2
[patent_no_of_words] => 4846
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[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/06/857/06857403.pdf
[firstpage_image] =>[orig_patent_app_number] => 10416107
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/416107 | Hydraulically controlled actuator for activating a valve | Jun 24, 2002 | Issued |
Array
(
[id] => 6629154
[patent_doc_number] => 20030005900
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-01-09
[patent_title] => 'Control device for four cycle engine of outboard motor'
[patent_app_type] => new
[patent_app_number] => 10/179620
[patent_app_country] => US
[patent_app_date] => 2002-06-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 11429
[patent_no_of_claims] => 19
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0005/20030005900.pdf
[firstpage_image] =>[orig_patent_app_number] => 10179620
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/179620 | Control device for four cycle engine of outboard motor | Jun 23, 2002 | Issued |
Array
(
[id] => 6252128
[patent_doc_number] => 20020185091
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2002-12-12
[patent_title] => 'Engine valve actuator with valve seating control'
[patent_app_type] => new
[patent_app_number] => 10/176709
[patent_app_country] => US
[patent_app_date] => 2002-06-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 12
[patent_figures_cnt] => 12
[patent_no_of_words] => 9497
[patent_no_of_claims] => 43
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0185/20020185091.pdf
[firstpage_image] =>[orig_patent_app_number] => 10176709
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/176709 | Engine valve actuator with valve seating control | Jun 23, 2002 | Issued |