
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] => 18399788
[patent_doc_number] => 11661917
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-05-30
[patent_title] => Omnidirectional generator apparatus
[patent_app_type] => utility
[patent_app_number] => 17/273077
[patent_app_country] => US
[patent_app_date] => 2019-08-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 7
[patent_no_of_words] => 1688
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 179
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17273077
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/273077 | Omnidirectional generator apparatus | Aug 11, 2019 | Issued |
Array
(
[id] => 17998428
[patent_doc_number] => 11499529
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-11-15
[patent_title] => Method of balancing turbine blades
[patent_app_type] => utility
[patent_app_number] => 17/261236
[patent_app_country] => US
[patent_app_date] => 2019-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 8835
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 196
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17261236
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/261236 | Method of balancing turbine blades | Jul 18, 2019 | Issued |
Array
(
[id] => 18355613
[patent_doc_number] => 11644007
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-05-09
[patent_title] => Rotor blade for a wind turbine and wind turbine
[patent_app_type] => utility
[patent_app_number] => 17/259881
[patent_app_country] => US
[patent_app_date] => 2019-07-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 6
[patent_no_of_words] => 5574
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 301
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17259881
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/259881 | Rotor blade for a wind turbine and wind turbine | Jul 17, 2019 | Issued |
Array
(
[id] => 17171161
[patent_doc_number] => 20210324831
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-10-21
[patent_title] => NOISE REDUCTION IN A WIND TURBINE WITH HINGED BLADES
[patent_app_type] => utility
[patent_app_number] => 17/260014
[patent_app_country] => US
[patent_app_date] => 2019-07-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10981
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260014
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/260014 | NOISE REDUCTION IN A WIND TURBINE WITH HINGED BLADES | Jul 15, 2019 | Abandoned |
Array
(
[id] => 15087949
[patent_doc_number] => 20190338785
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-11-07
[patent_title] => VARIABLE GEOMETRY DIFFUSER HAVING EXTENDED TRAVEL AND CONTROL METHOD THEREOF
[patent_app_type] => utility
[patent_app_number] => 16/510622
[patent_app_country] => US
[patent_app_date] => 2019-07-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7576
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16510622
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/510622 | Variable geometry diffuser having extended travel and control method thereof | Jul 11, 2019 | Issued |
Array
(
[id] => 15326251
[patent_doc_number] => 20200003455
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-01-02
[patent_title] => VARIABLE STAGE COMPRESSORS
[patent_app_type] => utility
[patent_app_number] => 16/455998
[patent_app_country] => US
[patent_app_date] => 2019-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1813
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 57
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16455998
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/455998 | Variable stage compressors | Jun 27, 2019 | Issued |
Array
(
[id] => 17800820
[patent_doc_number] => 11415110
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-08-16
[patent_title] => Wind turbine blade, a method of controlling a wind turbine, a control system, and a wind turbine
[patent_app_type] => utility
[patent_app_number] => 17/254800
[patent_app_country] => US
[patent_app_date] => 2019-06-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 15
[patent_no_of_words] => 10978
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 143
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17254800
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/254800 | Wind turbine blade, a method of controlling a wind turbine, a control system, and a wind turbine | Jun 19, 2019 | Issued |
Array
(
[id] => 14995219
[patent_doc_number] => 20190316567
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-10-17
[patent_title] => HYBRID VERTICAL/HORIZONTAL AXIS WIND TURBINE FOR DEEP-WATER OFFSHORE INSTALLATIONS
[patent_app_type] => utility
[patent_app_number] => 16/426286
[patent_app_country] => US
[patent_app_date] => 2019-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9445
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -23
[patent_words_short_claim] => 2
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426286
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/426286 | Hybrid vertical/horizontal axis wind turbine for deep-water offshore installations | May 29, 2019 | Issued |
Array
(
[id] => 16483606
[patent_doc_number] => 20200377206
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-12-03
[patent_title] => ROTOR BLADE FOLDING SYSTEM
[patent_app_type] => utility
[patent_app_number] => 16/426787
[patent_app_country] => US
[patent_app_date] => 2019-05-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4368
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 121
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426787
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/426787 | Rotor blade folding system | May 29, 2019 | Issued |
Array
(
[id] => 15325487
[patent_doc_number] => 20200003073
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-01-02
[patent_title] => VARIABLE STATOR VANE ARRANGEMENT
[patent_app_type] => utility
[patent_app_number] => 16/419286
[patent_app_country] => US
[patent_app_date] => 2019-05-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10039
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 95
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16419286
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/419286 | VARIABLE STATOR VANE ARRANGEMENT | May 21, 2019 | Abandoned |
Array
(
[id] => 17436430
[patent_doc_number] => 11261747
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2022-03-01
[patent_title] => Ceramic matrix composite vane with added platform
[patent_app_type] => utility
[patent_app_number] => 16/415172
[patent_app_country] => US
[patent_app_date] => 2019-05-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 5353
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16415172
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/415172 | Ceramic matrix composite vane with added platform | May 16, 2019 | Issued |
Array
(
[id] => 16453342
[patent_doc_number] => 20200362768
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-11-19
[patent_title] => VARIABLE AREA TURBINE NOZZLE AND METHOD
[patent_app_type] => utility
[patent_app_number] => 16/412771
[patent_app_country] => US
[patent_app_date] => 2019-05-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6119
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 90
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16412771
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/412771 | Variable area turbine nozzle and method | May 14, 2019 | Issued |
Array
(
[id] => 16422827
[patent_doc_number] => 20200348025
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-11-05
[patent_title] => NESTING CMC COMPONENTS
[patent_app_type] => utility
[patent_app_number] => 16/403535
[patent_app_country] => US
[patent_app_date] => 2019-05-04
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4466
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 58
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16403535
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/403535 | Nesting CMC components | May 3, 2019 | Issued |
Array
(
[id] => 16916999
[patent_doc_number] => 20210190091
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-06-24
[patent_title] => COMPRESSOR INLET ARRANGEMENT
[patent_app_type] => utility
[patent_app_number] => 17/051878
[patent_app_country] => US
[patent_app_date] => 2019-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9665
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 121
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17051878
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/051878 | Compressor inlet arrangement | Apr 30, 2019 | Issued |
Array
(
[id] => 15087947
[patent_doc_number] => 20190338784
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-11-07
[patent_title] => Volute Mechanism of a Centrifugal Fan
[patent_app_type] => utility
[patent_app_number] => 16/399512
[patent_app_country] => US
[patent_app_date] => 2019-04-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4246
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 93
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16399512
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/399512 | Volute mechanism of a centrifugal fan | Apr 29, 2019 | Issued |
Array
(
[id] => 17244218
[patent_doc_number] => 20210363961
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-11-25
[patent_title] => FLEXIBLE WIND TURBINE BLADE WITH ACTIVELY VARIABLE TWIST DISTRIBUTION
[patent_app_type] => utility
[patent_app_number] => 17/051427
[patent_app_country] => US
[patent_app_date] => 2019-04-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 38239
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 64
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17051427
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/051427 | FLEXIBLE WIND TURBINE BLADE WITH ACTIVELY VARIABLE TWIST DISTRIBUTION | Apr 28, 2019 | Abandoned |
Array
(
[id] => 16842579
[patent_doc_number] => 11014647
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2021-05-25
[patent_title] => Locking mechanism, propeller, motor, propulsion system assembly, and aircraft
[patent_app_type] => utility
[patent_app_number] => 16/395464
[patent_app_country] => US
[patent_app_date] => 2019-04-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 13
[patent_no_of_words] => 7917
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 146
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16395464
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/395464 | Locking mechanism, propeller, motor, propulsion system assembly, and aircraft | Apr 25, 2019 | Issued |
Array
(
[id] => 15025029
[patent_doc_number] => 20190323519
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-10-24
[patent_title] => COMPRESSOR DIFFUSER AND GAS TURBINE
[patent_app_type] => utility
[patent_app_number] => 16/385694
[patent_app_country] => US
[patent_app_date] => 2019-04-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5545
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -4
[patent_words_short_claim] => 132
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16385694
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/385694 | COMPRESSOR DIFFUSER AND GAS TURBINE | Apr 15, 2019 | Abandoned |
Array
(
[id] => 15039969
[patent_doc_number] => 20190330989
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2019-10-31
[patent_title] => COOLANT CHANNEL
[patent_app_type] => utility
[patent_app_number] => 16/382312
[patent_app_country] => US
[patent_app_date] => 2019-04-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8506
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 105
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16382312
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/382312 | Coolant channel | Apr 11, 2019 | Issued |
Array
(
[id] => 16377071
[patent_doc_number] => 20200325913
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2020-10-15
[patent_title] => VIBRATION ISOLATING MOUNTING OF FAN
[patent_app_type] => utility
[patent_app_number] => 16/379871
[patent_app_country] => US
[patent_app_date] => 2019-04-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5201
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 256
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16379871
[rel_patent_id] =>[rel_patent_doc_number] =>) 16/379871 | Vibration isolating mounting of fan | Apr 9, 2019 | Issued |