
Richard K. Chang
Examiner (ID: 15304, Phone: (571)270-3368 , Office: P/2464 )
| Most Active Art Unit | 2464 |
| Art Unit(s) | 2663, 2464, 2616 |
| Total Applications | 302 |
| Issued Applications | 252 |
| Pending Applications | 10 |
| Abandoned Applications | 46 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 8093877
[patent_doc_number] => 20120082544
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-04-05
[patent_title] => 'GIRDER FOR SUPPORTING A TIDAL TURBINE FAIRING AND TIDAL TURBINE COMPRISING SUCH A GIRDER'
[patent_app_type] => utility
[patent_app_number] => 13/247130
[patent_app_country] => US
[patent_app_date] => 2011-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0082/20120082544.pdf
[firstpage_image] =>[orig_patent_app_number] => 13247130
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/247130 | Girder for supporting a tidal turbine fairing and tidal turbine comprising such a girder | Sep 27, 2011 | Issued |
Array
(
[id] => 8707349
[patent_doc_number] => 20130064638
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-03-14
[patent_title] => 'Boundary Layer Blowing Using Steam Seal Leakage Flow'
[patent_app_type] => utility
[patent_app_number] => 13/227574
[patent_app_country] => US
[patent_app_date] => 2011-09-08
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13227574
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/227574 | Boundary Layer Blowing Using Steam Seal Leakage Flow | Sep 7, 2011 | Abandoned |
Array
(
[id] => 7817263
[patent_doc_number] => 20120063883
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-03-15
[patent_title] => 'METHODS AND DEVICES FOR LOW SPEED LOW TORQUE TESTING OF A ROTOR IN A TURBOMACHINERY'
[patent_app_type] => utility
[patent_app_number] => 13/226069
[patent_app_country] => US
[patent_app_date] => 2011-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
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[firstpage_image] =>[orig_patent_app_number] => 13226069
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/226069 | Methods and devices for low speed low torque testing of a rotor in a turbomachinery | Sep 5, 2011 | Issued |
Array
(
[id] => 8696757
[patent_doc_number] => 20130058766
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-03-07
[patent_title] => 'Systems, Methods, and Apparatus for a Labyrinth Seal'
[patent_app_type] => utility
[patent_app_number] => 13/226122
[patent_app_country] => US
[patent_app_date] => 2011-09-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
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Array
(
[id] => 10542103
[patent_doc_number] => 09267218
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-02-23
[patent_title] => 'Protective coating for titanium last stage buckets'
[patent_app_type] => utility
[patent_app_number] => 13/224628
[patent_app_country] => US
[patent_app_date] => 2011-09-02
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/224628 | Protective coating for titanium last stage buckets | Sep 1, 2011 | Issued |
Array
(
[id] => 11141971
[patent_doc_number] => 09377027
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2016-06-28
[patent_title] => 'Vertical double-suction pump having beneficial axial thrust'
[patent_app_type] => utility
[patent_app_number] => 13/207473
[patent_app_country] => US
[patent_app_date] => 2011-08-11
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/207473 | Vertical double-suction pump having beneficial axial thrust | Aug 10, 2011 | Issued |
Array
(
[id] => 10020085
[patent_doc_number] => 09062561
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2015-06-23
[patent_title] => 'Endwall component for a turbine stage of a gas turbine engine'
[patent_app_type] => utility
[patent_app_number] => 13/207784
[patent_app_country] => US
[patent_app_date] => 2011-08-11
[patent_effective_date] => 0000-00-00
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/207784 | Endwall component for a turbine stage of a gas turbine engine | Aug 10, 2011 | Issued |
Array
(
[id] => 8658914
[patent_doc_number] => 20130039743
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-02-14
[patent_title] => 'METHOD AND APPARATUS FOR MEASURING TURBINE SHELL CLEARANCE'
[patent_app_type] => utility
[patent_app_number] => 13/207536
[patent_app_country] => US
[patent_app_date] => 2011-08-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/207536 | Method and apparatus for measuring turbine shell clearance | Aug 10, 2011 | Issued |
Array
(
[id] => 8323325
[patent_doc_number] => 20120195738
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-08-02
[patent_title] => 'SHOCKPROOF FAN APPARATUS'
[patent_app_type] => utility
[patent_app_number] => 13/207414
[patent_app_country] => US
[patent_app_date] => 2011-08-11
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/207414 | SHOCKPROOF FAN APPARATUS | Aug 10, 2011 | Abandoned |
Array
(
[id] => 8312430
[patent_doc_number] => 20120189452
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-07-26
[patent_title] => ' Impeller Attachment Method'
[patent_app_type] => utility
[patent_app_number] => 13/186647
[patent_app_country] => US
[patent_app_date] => 2011-07-20
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13186647
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/186647 | Impeller Attachment Method | Jul 19, 2011 | Abandoned |
Array
(
[id] => 8611778
[patent_doc_number] => 20130017090
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2013-01-17
[patent_title] => 'SCALLOP CURVATURE FOR RADIAL TURBINE WHEEL'
[patent_app_type] => utility
[patent_app_number] => 13/179634
[patent_app_country] => US
[patent_app_date] => 2011-07-11
[patent_effective_date] => 0000-00-00
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[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13179634
[rel_patent_id] =>[rel_patent_doc_number] =>) 13/179634 | Scallop curvature for radial turbine wheel | Jul 10, 2011 | Issued |
Array
(
[id] => 9760957
[patent_doc_number] => 08845271
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2014-09-30
[patent_title] => 'Turbocharger bearing system'
[patent_app_type] => utility
[patent_app_number] => 13/134118
[patent_app_country] => US
[patent_app_date] => 2011-05-31
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/134118 | Turbocharger bearing system | May 30, 2011 | Issued |
Array
(
[id] => 8220527
[patent_doc_number] => 20120134824
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-05-31
[patent_title] => 'Lightweight, Collapsible Axial Wind Generator'
[patent_app_type] => utility
[patent_app_number] => 13/149763
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/149763 | Lightweight, Collapsible Axial Wind Generator | May 30, 2011 | Abandoned |
Array
(
[id] => 8501888
[patent_doc_number] => 20120301297
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2012-11-29
[patent_title] => 'Fluid turbine device for power generation'
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/134068 | Fluid turbine device for power generation | May 27, 2011 | Abandoned |
Array
(
[id] => 7579530
[patent_doc_number] => 20110293413
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2011-12-01
[patent_title] => 'Ceiling fixture protection system and method'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/134070 | Ceiling fixture protection system and method | May 27, 2011 | Issued |
Array
(
[id] => 10836772
[patent_doc_number] => 08864440
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[patent_title] => 'Wind sail turbine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/134049 | Wind sail turbine | May 26, 2011 | Issued |
Array
(
[id] => 9426311
[patent_doc_number] => 08702375
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2014-04-22
[patent_title] => 'Turbine stator vane'
[patent_app_type] => utility
[patent_app_number] => 13/111113
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[rel_patent_id] =>[rel_patent_doc_number] =>) 13/111113 | Turbine stator vane | May 18, 2011 | Issued |
Array
(
[id] => 7580530
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[patent_title] => 'PORTABLE AIR MOVING DEVICE WITH MULTI-DIRECTIONAL GRILL'
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Array
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[patent_title] => 'Turbine stator vane with purge air channel'
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Array
(
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