Search

Joon H. Hwang

Supervisory Patent Examiner (ID: 13115, Phone: (571)272-4036 , Office: P/2447 )

Most Active Art Unit
2447
Art Unit(s)
2166, 2172, 2162, 2447
Total Applications
416
Issued Applications
149
Pending Applications
24
Abandoned Applications
242

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15346805 [patent_doc_number] => 20200011294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => METHOD OF DIAGNOSING A WIND TURBINE POWER GENERATION FACILITY AND AUTOMATIC DIAGNOSIS DEVICE FOR WIND TURBINE POWER GENERATION FACILITY [patent_app_type] => utility [patent_app_number] => 16/178010 [patent_app_country] => US [patent_app_date] => 2018-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8560 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16178010 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/178010
Method of diagnosing a wind turbine power generation facility and automatic diagnosis device for wind turbine power generation facility Oct 31, 2018 Issued
Array ( [id] => 15833255 [patent_doc_number] => 20200131909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => TURBINE ROTOR LOCKING ASSEMBLY AND METHOD [patent_app_type] => utility [patent_app_number] => 16/173644 [patent_app_country] => US [patent_app_date] => 2018-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3064 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16173644 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/173644
Turbine rotor locking assembly and method Oct 28, 2018 Issued
Array ( [id] => 16305891 [patent_doc_number] => 10774671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-15 [patent_title] => Valve device and steam turbine [patent_app_type] => utility [patent_app_number] => 16/171507 [patent_app_country] => US [patent_app_date] => 2018-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7616 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 363 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16171507 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/171507
Valve device and steam turbine Oct 25, 2018 Issued
Array ( [id] => 16614451 [patent_doc_number] => 20210033104 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 16/759021 [patent_app_country] => US [patent_app_date] => 2018-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16759021 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/759021
CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS Oct 24, 2018 Abandoned
Array ( [id] => 16260726 [patent_doc_number] => 10752141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Dual scroll type bi-directional blower [patent_app_type] => utility [patent_app_number] => 16/169452 [patent_app_country] => US [patent_app_date] => 2018-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4774 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16169452 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/169452
Dual scroll type bi-directional blower Oct 23, 2018 Issued
Array ( [id] => 17200894 [patent_doc_number] => 20210340989 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => PUMP WITH AXIALLY-ELONGATED ANNULAR SEAL ELEMENT BETWEEN INDUCER AND IMPELLER [patent_app_type] => utility [patent_app_number] => 17/282395 [patent_app_country] => US [patent_app_date] => 2018-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2978 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17282395 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/282395
Pump with axially-elongated annular seal element between inducer and impeller Oct 18, 2018 Issued
Array ( [id] => 18086127 [patent_doc_number] => 11536252 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Down conductor connection system, wind turbine lightning protection system, and method for arranging a down conductor connection system [patent_app_type] => utility [patent_app_number] => 17/278950 [patent_app_country] => US [patent_app_date] => 2018-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4357 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17278950 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/278950
Down conductor connection system, wind turbine lightning protection system, and method for arranging a down conductor connection system Sep 23, 2018 Issued
Array ( [id] => 16199230 [patent_doc_number] => 10724383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-07-28 [patent_title] => Modified J type cantilevered vane and gas turbine having the same [patent_app_type] => utility [patent_app_number] => 16/135169 [patent_app_country] => US [patent_app_date] => 2018-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3763 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16135169 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/135169
Modified J type cantilevered vane and gas turbine having the same Sep 18, 2018 Issued
Array ( [id] => 16736387 [patent_doc_number] => 10962025 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Frame structure, fan and motor [patent_app_type] => utility [patent_app_number] => 16/131778 [patent_app_country] => US [patent_app_date] => 2018-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 22 [patent_no_of_words] => 5217 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 16131778 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/131778
Frame structure, fan and motor Sep 13, 2018 Issued
Array ( [id] => 16290721 [patent_doc_number] => 10767560 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-09-08 [patent_title] => Bearing compartment oil auto-ignition mitigation [patent_app_type] => utility [patent_app_number] => 16/127365 [patent_app_country] => US [patent_app_date] => 2018-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 5953 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16127365 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/127365
Bearing compartment oil auto-ignition mitigation Sep 10, 2018 Issued
Array ( [id] => 13794553 [patent_doc_number] => 20190010815 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => TURBINE NOZZLE [patent_app_type] => utility [patent_app_number] => 16/123820 [patent_app_country] => US [patent_app_date] => 2018-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6983 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16123820 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/123820
Turbine nozzle Sep 5, 2018 Issued
Array ( [id] => 16492919 [patent_doc_number] => 10858948 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-12-08 [patent_title] => Intersector sealing tab for an aircraft turbine engine [patent_app_type] => utility [patent_app_number] => 16/121845 [patent_app_country] => US [patent_app_date] => 2018-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3872 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16121845 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/121845
Intersector sealing tab for an aircraft turbine engine Sep 4, 2018 Issued
Array ( [id] => 18445016 [patent_doc_number] => 11680577 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Shaft sleeve assembly, blade mounting structure and air conditioner [patent_app_type] => utility [patent_app_number] => 16/970568 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 6686 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16970568 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/970568
Shaft sleeve assembly, blade mounting structure and air conditioner Aug 30, 2018 Issued
Array ( [id] => 15591075 [patent_doc_number] => 20200072072 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => FIXED VANE PACK RETAINING RING [patent_app_type] => utility [patent_app_number] => 16/114975 [patent_app_country] => US [patent_app_date] => 2018-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16114975 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/114975
Fixed vane pack retaining ring Aug 27, 2018 Issued
Array ( [id] => 16786651 [patent_doc_number] => 10989068 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Turbine shroud including plurality of cooling passages [patent_app_type] => utility [patent_app_number] => 16/040062 [patent_app_country] => US [patent_app_date] => 2018-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 13593 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040062 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040062
Turbine shroud including plurality of cooling passages Jul 18, 2018 Issued
Array ( [id] => 14133219 [patent_doc_number] => 20190100999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-04 [patent_title] => ROTOR HAVING IMPROVED STRUCTURE, AND TURBINE AND GAS TURBINE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/040535 [patent_app_country] => US [patent_app_date] => 2018-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16040535 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/040535
ROTOR HAVING IMPROVED STRUCTURE, AND TURBINE AND GAS TURBINE INCLUDING THE SAME Jul 18, 2018 Abandoned
Array ( [id] => 13827821 [patent_doc_number] => 20190017395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => PROPELLER BLADES [patent_app_type] => utility [patent_app_number] => 16/036070 [patent_app_country] => US [patent_app_date] => 2018-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16036070 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/036070
Propeller blades Jul 15, 2018 Issued
Array ( [id] => 15346597 [patent_doc_number] => 20200011190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-09 [patent_title] => POROUS SPACE FILLERS FOR CERAMIC MATRIX COMPOSITES [patent_app_type] => utility [patent_app_number] => 16/028970 [patent_app_country] => US [patent_app_date] => 2018-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5933 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16028970 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/028970
Porous space fillers for ceramic matrix composites Jul 5, 2018 Issued
Array ( [id] => 15325495 [patent_doc_number] => 20200003077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => GAS TURBINE ENGINE COMPONENT [patent_app_type] => utility [patent_app_number] => 16/019972 [patent_app_country] => US [patent_app_date] => 2018-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3686 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16019972 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/019972
Attachment body for blade outer air seal Jun 26, 2018 Issued
Array ( [id] => 15294835 [patent_doc_number] => 20190390553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => TURBOMACHINE COMPONENT WITH COATING-CAPTURING FEATURE FOR THERMAL INSULATION [patent_app_type] => utility [patent_app_number] => 16/014092 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16014092 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/014092
Turbomachine component with coating-capturing feature for thermal insulation Jun 20, 2018 Issued
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