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] => 16269640 [patent_doc_number] => 20200271127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => Centrifugal Pump [patent_app_type] => utility [patent_app_number] => 16/790893 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16790893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/790893
Centrifugal Pump Feb 13, 2020 Abandoned
Array ( [id] => 16513640 [patent_doc_number] => 20200392898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => TURBOFAN ENGINE WITH ACOUSTIC TREATMENT [patent_app_type] => utility [patent_app_number] => 16/784328 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16784328 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/784328
Turbofan engine with acoustic treatment Feb 6, 2020 Issued
Array ( [id] => 18740402 [patent_doc_number] => 20230349379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => SPIRAL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 17/791217 [patent_app_country] => US [patent_app_date] => 2020-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3662 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17791217 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/791217
Spiral compressor Jan 8, 2020 Issued
Array ( [id] => 18021487 [patent_doc_number] => 20220372986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => Oscillation Device and Fan [patent_app_type] => utility [patent_app_number] => 17/772752 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17772752 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772752
Oscillation device and fan Jan 7, 2020 Issued
Array ( [id] => 16437757 [patent_doc_number] => 20200355083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => FAN [patent_app_type] => utility [patent_app_number] => 16/734204 [patent_app_country] => US [patent_app_date] => 2020-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16734204 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/734204
Fan Jan 2, 2020 Issued
Array ( [id] => 16916998 [patent_doc_number] => 20210190090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => BLOWER HOUSING FOR BLOWER OF HVAC SYSTEM [patent_app_type] => utility [patent_app_number] => 16/725924 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16725924 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/725924
Blower housing for blower of HVAC system Dec 22, 2019 Issued
Array ( [id] => 16886256 [patent_doc_number] => 20210172452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => CENTRIFUGAL COMPRESSOR IMPELLER WITH NONLINEAR BACKWALL [patent_app_type] => utility [patent_app_number] => 16/709442 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16709442 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/709442
Centrifugal compressor impeller with nonlinear backwall Dec 9, 2019 Issued
Array ( [id] => 16886257 [patent_doc_number] => 20210172453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => FAN HUB CONFIGURATION FOR AN ELECTRIC MOTOR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/709267 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16709267 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/709267
Fan hub configuration for an electric motor assembly Dec 9, 2019 Issued
Array ( [id] => 15995167 [patent_doc_number] => 20200173454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => BACKWARD CURVED PLENUM FAN HAVING ENHANCED EFFICIENCY [patent_app_type] => utility [patent_app_number] => 16/702144 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16702144 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/702144
Backward curved plenum fan having enhanced efficiency Dec 2, 2019 Issued
Array ( [id] => 15995169 [patent_doc_number] => 20200173455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => DOUBLE SUCTION FAN AND AIR CONDITIONER HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 16/697950 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13118 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16697950 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/697950
Double suction fan and air conditioner having the same Nov 26, 2019 Issued
Array ( [id] => 16399633 [patent_doc_number] => 20200340491 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => COMPRESSOR WHEEL FOR TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 16/693251 [patent_app_country] => US [patent_app_date] => 2019-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16693251 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/693251
Compressor wheel for turbocharger Nov 22, 2019 Issued
Array ( [id] => 16269509 [patent_doc_number] => 20200270996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => BLADE AND ROTARY MACHINE HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 16/690610 [patent_app_country] => US [patent_app_date] => 2019-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16690610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/690610
Blade and rotary machine having the same Nov 20, 2019 Issued
Array ( [id] => 17414811 [patent_doc_number] => 20220049715 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => DIAGONAL FAN HAVING AN OPTIMIZED DIAGONAL IMPELLER [patent_app_type] => utility [patent_app_number] => 17/274767 [patent_app_country] => US [patent_app_date] => 2019-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17274767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/274767
Diagonal fan having an optimized diagonal impeller Nov 3, 2019 Issued
Array ( [id] => 15651357 [patent_doc_number] => 20200088208 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => Semi-Open Centrifugal Pump Impeller and Its Optimization Design [patent_app_type] => utility [patent_app_number] => 16/669276 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3336 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16669276 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/669276
Semi-open centrifugal pump impeller and its optimization design Oct 29, 2019 Issued
Array ( [id] => 17743114 [patent_doc_number] => 11391173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Passive control of gas turbine clearances using ceramic matrix composites inserts [patent_app_type] => utility [patent_app_number] => 16/667071 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 5802 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [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] => 16667071 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/667071
Passive control of gas turbine clearances using ceramic matrix composites inserts Oct 28, 2019 Issued
Array ( [id] => 17521034 [patent_doc_number] => 20220106883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => TURBINE BLADE AND STEAM TURBINE INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 17/312277 [patent_app_country] => US [patent_app_date] => 2019-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9312 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17312277 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/312277
Turbine blade and steam turbine including the same Oct 20, 2019 Issued
Array ( [id] => 16778725 [patent_doc_number] => 20210115803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => GAS TURBINE ENGINE AIRFOIL [patent_app_type] => utility [patent_app_number] => 16/654380 [patent_app_country] => US [patent_app_date] => 2019-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16654380 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/654380
Gas turbine engine airfoil Oct 15, 2019 Issued
Array ( [id] => 17938991 [patent_doc_number] => 11473436 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Seal assembly [patent_app_type] => utility [patent_app_number] => 16/601093 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 8146 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16601093 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/601093
Seal assembly Oct 13, 2019 Issued
Array ( [id] => 15995173 [patent_doc_number] => 20200173457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-04 [patent_title] => METHOD OF DESIGNING BLADE OF AXIAL FLOW FLUID MACHINE AND BLADE [patent_app_type] => utility [patent_app_number] => 16/587456 [patent_app_country] => US [patent_app_date] => 2019-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16587456 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/587456
Method of designing blade of axial flow fluid machine and blade Sep 29, 2019 Issued
Array ( [id] => 17200897 [patent_doc_number] => 20210340992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-04 [patent_title] => BLADE AND AXIAL FLOW IMPELLER USING SAME [patent_app_type] => utility [patent_app_number] => 17/280111 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4337 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17280111 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/280111
Blade and axial flow impeller using same Sep 23, 2019 Issued
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