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] => 17968884 [patent_doc_number] => 11486402 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-11-01 [patent_title] => Counter-rotating axial air moving device structure [patent_app_type] => utility [patent_app_number] => 17/233425 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 2339 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 17233425 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233425
Counter-rotating axial air moving device structure Apr 15, 2021 Issued
Array ( [id] => 20385790 [patent_doc_number] => 12485501 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-02 [patent_title] => Optical system for laser machining [patent_app_type] => utility [patent_app_number] => 17/920615 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 5410 [patent_no_of_claims] => 20 [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] => 17920615 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/920615
Optical system for laser machining Apr 15, 2021 Issued
Array ( [id] => 17156790 [patent_doc_number] => 20210317841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => BLADE AND AXIAL FLOW IMPELLER USING SAME [patent_app_type] => utility [patent_app_number] => 17/229662 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17229662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/229662
Blade and axial flow impeller using same Apr 12, 2021 Issued
Array ( [id] => 17620620 [patent_doc_number] => 11339663 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Rotor having improved structure, and turbine and gas turbine including the same [patent_app_type] => utility [patent_app_number] => 17/221888 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3742 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 281 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221888 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221888
Rotor having improved structure, and turbine and gas turbine including the same Apr 4, 2021 Issued
Array ( [id] => 17563913 [patent_doc_number] => 20220128062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => FAN MOTOR [patent_app_type] => utility [patent_app_number] => 17/217580 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 17217580 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217580
Fan motor Mar 29, 2021 Issued
Array ( [id] => 18092704 [patent_doc_number] => 20220411045 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => PROPELLANT FORCE GENERATOR [patent_app_type] => utility [patent_app_number] => 17/606791 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606791 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606791
Propellant force generator Mar 16, 2021 Issued
Array ( [id] => 16916981 [patent_doc_number] => 20210190073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => HIGH EFFICIENCY DOUBLE SUCTION IMPELLER [patent_app_type] => utility [patent_app_number] => 17/193292 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17193292 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/193292
High efficiency double suction impeller Mar 4, 2021 Issued
Array ( [id] => 19921833 [patent_doc_number] => 12296093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Fan having damping and sealing elements between various housing parts [patent_app_type] => utility [patent_app_number] => 17/923001 [patent_app_country] => US [patent_app_date] => 2021-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2362 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17923001 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/923001
Fan having damping and sealing elements between various housing parts Mar 4, 2021 Issued
Array ( [id] => 18329860 [patent_doc_number] => 11635091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Compressor with integrated accumulator [patent_app_type] => utility [patent_app_number] => 17/249415 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 17371 [patent_no_of_claims] => 19 [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] => 17249415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249415
Compressor with integrated accumulator Mar 1, 2021 Issued
Array ( [id] => 18329860 [patent_doc_number] => 11635091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Compressor with integrated accumulator [patent_app_type] => utility [patent_app_number] => 17/249415 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 17371 [patent_no_of_claims] => 19 [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] => 17249415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249415
Compressor with integrated accumulator Mar 1, 2021 Issued
Array ( [id] => 18329860 [patent_doc_number] => 11635091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Compressor with integrated accumulator [patent_app_type] => utility [patent_app_number] => 17/249415 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 17371 [patent_no_of_claims] => 19 [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] => 17249415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249415
Compressor with integrated accumulator Mar 1, 2021 Issued
Array ( [id] => 18329860 [patent_doc_number] => 11635091 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-25 [patent_title] => Compressor with integrated accumulator [patent_app_type] => utility [patent_app_number] => 17/249415 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 17371 [patent_no_of_claims] => 19 [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] => 17249415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/249415
Compressor with integrated accumulator Mar 1, 2021 Issued
Array ( [id] => 17770008 [patent_doc_number] => 11401941 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Air blower [patent_app_type] => utility [patent_app_number] => 17/171229 [patent_app_country] => US [patent_app_date] => 2021-02-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 4304 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17171229 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/171229
Air blower Feb 8, 2021 Issued
Array ( [id] => 17007973 [patent_doc_number] => 20210239134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => COMPRESSOR HAVING ADJUSTMENT MECHANISM [patent_app_type] => utility [patent_app_number] => 17/155287 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155287 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155287
Compressor having adjustment mechanism Jan 21, 2021 Issued
Array ( [id] => 18794537 [patent_doc_number] => 11828299 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Ceiling fan module with energy dissipation function and configuration method thereof [patent_app_type] => utility [patent_app_number] => 17/907997 [patent_app_country] => US [patent_app_date] => 2021-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4138 [patent_no_of_claims] => 20 [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] => 17907997 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/907997
Ceiling fan module with energy dissipation function and configuration method thereof Jan 11, 2021 Issued
Array ( [id] => 17770013 [patent_doc_number] => 11401946 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Fan flow guide structure [patent_app_type] => utility [patent_app_number] => 17/142241 [patent_app_country] => US [patent_app_date] => 2021-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2425 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 309 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17142241 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/142241
Fan flow guide structure Jan 5, 2021 Issued
Array ( [id] => 16778860 [patent_doc_number] => 20210115938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => HIDDEN FAN AND FAN LAMP [patent_app_type] => utility [patent_app_number] => 17/138896 [patent_app_country] => US [patent_app_date] => 2020-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17138896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/138896
Hidden fan and fan lamp Dec 30, 2020 Issued
Array ( [id] => 19425657 [patent_doc_number] => 12085061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Method for stabilising a wind turbine blade [patent_app_type] => utility [patent_app_number] => 17/784201 [patent_app_country] => US [patent_app_date] => 2020-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6205 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17784201 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784201
Method for stabilising a wind turbine blade Dec 17, 2020 Issued
Array ( [id] => 16901690 [patent_doc_number] => 20210180606 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => IMPELLER FOR CENTRIFUGAL PUMP, PARTICULARLY FOR A RECESSED-IMPELLER PUMP, AND PUMP WITH SUCH AN IMPELLER [patent_app_type] => utility [patent_app_number] => 17/118917 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17118917 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/118917
Impeller for centrifugal pump, particularly for a recessed-impeller pump, and pump with such an impeller Dec 10, 2020 Issued
Array ( [id] => 19060769 [patent_doc_number] => 11939988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-26 [patent_title] => Air duct component for cross-flow impeller and air conditioning apparatus having same [patent_app_type] => utility [patent_app_number] => 17/424420 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 8651 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424420
Air duct component for cross-flow impeller and air conditioning apparatus having same Nov 15, 2020 Issued
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