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] => 18764591 [patent_doc_number] => 11814980 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Bladed disc [patent_app_type] => utility [patent_app_number] => 17/966285 [patent_app_country] => US [patent_app_date] => 2022-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 10065 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17966285 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/966285
Bladed disc Oct 13, 2022 Issued
Array ( [id] => 19643626 [patent_doc_number] => 20240418146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Rotor for a Vertical Axis Turbine and Vertical Axis Turbine [patent_app_type] => utility [patent_app_number] => 18/701801 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4965 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701801 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701801
Rotor for a Vertical Axis Turbine and Vertical Axis Turbine Oct 12, 2022 Pending
Array ( [id] => 19098584 [patent_doc_number] => 20240117812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => APPARATUS FOR MOVING AIR [patent_app_type] => utility [patent_app_number] => 17/963369 [patent_app_country] => US [patent_app_date] => 2022-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 17963369 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/963369
APPARATUS FOR MOVING AIR Oct 10, 2022 Abandoned
Array ( [id] => 19615926 [patent_doc_number] => 20240401606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => COMPRESSOR IMPELLER [patent_app_type] => utility [patent_app_number] => 18/699560 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18699560 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/699560
Compressor impeller Oct 6, 2022 Issued
Array ( [id] => 18702042 [patent_doc_number] => 11788544 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Centrifugal-to-axial mixed flow blower and heat dissipation system using same [patent_app_type] => utility [patent_app_number] => 17/959317 [patent_app_country] => US [patent_app_date] => 2022-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 4718 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17959317 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/959317
Centrifugal-to-axial mixed flow blower and heat dissipation system using same Oct 3, 2022 Issued
Array ( [id] => 18163342 [patent_doc_number] => 20230029935 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => SYNCHRONIZED AIR MODULATING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/958682 [patent_app_country] => US [patent_app_date] => 2022-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8723 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17958682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/958682
Synchronized air modulating system Oct 2, 2022 Issued
Array ( [id] => 18590876 [patent_doc_number] => 11739762 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-29 [patent_title] => Composite impeller with replaceable blades [patent_app_type] => utility [patent_app_number] => 17/956408 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6751 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956408
Composite impeller with replaceable blades Sep 28, 2022 Issued
Array ( [id] => 18948724 [patent_doc_number] => 11892011 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => Fan [patent_app_type] => utility [patent_app_number] => 17/954816 [patent_app_country] => US [patent_app_date] => 2022-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3574 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 400 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17954816 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/954816
Fan Sep 27, 2022 Issued
Array ( [id] => 18261049 [patent_doc_number] => 11608745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Structure for improving aerodynamic efficiency of low-pressure turbine blade and working method thereof [patent_app_type] => utility [patent_app_number] => 17/948366 [patent_app_country] => US [patent_app_date] => 2022-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3193 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17948366 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/948366
Structure for improving aerodynamic efficiency of low-pressure turbine blade and working method thereof Sep 19, 2022 Issued
Array ( [id] => 19181640 [patent_doc_number] => 11988224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-21 [patent_title] => Fan and fan blades [patent_app_type] => utility [patent_app_number] => 17/941566 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3684 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941566 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941566
Fan and fan blades Sep 8, 2022 Issued
Array ( [id] => 18094031 [patent_doc_number] => 20220412372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/899236 [patent_app_country] => US [patent_app_date] => 2022-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17899236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/899236
CENTRIFUGAL BLOWER, AIR-BLOWING APPARATUS, AIR-CONDITIONING APPARATUS, AND REFRIGERATION CYCLE APPARATUS Aug 29, 2022 Abandoned
Array ( [id] => 18224513 [patent_doc_number] => 20230063507 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => SYSTEMS AND METHODS FOR A ROTARY FAN SYSTEM [patent_app_type] => utility [patent_app_number] => 17/897544 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897544 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897544
Systems and methods for a rotary fan system Aug 28, 2022 Issued
Array ( [id] => 18518957 [patent_doc_number] => 11708840 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-25 [patent_title] => Annular compression system and a method of operating the same [patent_app_type] => utility [patent_app_number] => 17/897512 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 16369 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897512 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897512
Annular compression system and a method of operating the same Aug 28, 2022 Issued
Array ( [id] => 18037044 [patent_doc_number] => 20220381259 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => CENTRIFUGAL COMPRESSOR IMPELLER WITH NONLINEAR BACKWALL [patent_app_type] => utility [patent_app_number] => 17/884009 [patent_app_country] => US [patent_app_date] => 2022-08-09 [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] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17884009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/884009
Centrifugal compressor impeller with nonlinear backwall Aug 8, 2022 Issued
Array ( [id] => 18021384 [patent_doc_number] => 20220372883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => FAN [patent_app_type] => utility [patent_app_number] => 17/881504 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4096 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17881504 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/881504
Fan Aug 3, 2022 Issued
Array ( [id] => 18177885 [patent_doc_number] => 20230038614 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => Centrifugal Or Diagonal Impeller With Modified Blade Edge [patent_app_type] => utility [patent_app_number] => 17/869046 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2206 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17869046 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869046
Centrifugal or diagonal impeller with modified blade edge Jul 19, 2022 Issued
Array ( [id] => 18399736 [patent_doc_number] => 11661865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-30 [patent_title] => Gas turbine engine component [patent_app_type] => utility [patent_app_number] => 17/866855 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3734 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866855 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866855
Gas turbine engine component Jul 17, 2022 Issued
Array ( [id] => 19668111 [patent_doc_number] => 12180846 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-31 [patent_title] => Electric heating for turbomachinery clearance control powered by hybrid energy storage system [patent_app_type] => utility [patent_app_number] => 17/866841 [patent_app_country] => US [patent_app_date] => 2022-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 9887 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866841 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866841
Electric heating for turbomachinery clearance control powered by hybrid energy storage system Jul 17, 2022 Issued
Array ( [id] => 19480386 [patent_doc_number] => 20240328428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Blade Arrangement Having Microblades [patent_app_type] => utility [patent_app_number] => 18/580238 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18580238 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/580238
Blade arrangement having microblades Jul 13, 2022 Issued
Array ( [id] => 17983280 [patent_doc_number] => 20220349316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => PASSIVE CONTROL OF GAS TURBINE CLEARANCES USING CERAMIC MATRIX COMPOSITES INSERTS [patent_app_type] => utility [patent_app_number] => 17/864534 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5899 [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] => 17864534 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864534
PASSIVE CONTROL OF GAS TURBINE CLEARANCES USING CERAMIC MATRIX COMPOSITES INSERTS Jul 13, 2022 Abandoned
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