Search

Joon H. Hwang

Supervisory Patent Examiner (ID: 46, Phone: (571)272-4036 , Office: P/2447 )

Most Active Art Unit
2447
Art Unit(s)
2447, 2166, 2172, 2162
Total Applications
418
Issued Applications
151
Pending Applications
23
Abandoned Applications
243

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19773837 [patent_doc_number] => 20250055263 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => VACUUM BREAK SWITCH MASS [patent_app_type] => utility [patent_app_number] => 18/929182 [patent_app_country] => US [patent_app_date] => 2024-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18929182 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/929182
Vacuum break switch mass Oct 27, 2024 Issued
Array ( [id] => 20614555 [patent_doc_number] => 20260084641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => SAFETY DEVICE TEST SYSTEM FOR A VEHICLE [patent_app_type] => utility [patent_app_number] => 18/893705 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893705 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893705
SAFETY DEVICE TEST SYSTEM FOR A VEHICLE Sep 22, 2024 Pending
Array ( [id] => 19879715 [patent_doc_number] => 20250111972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => MAGNETIC SYSTEMS INCORPORATING ELECTROPERMANENT MAGNET ARRAYS [patent_app_type] => utility [patent_app_number] => 18/893169 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893169 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893169
MAGNETIC SYSTEMS INCORPORATING ELECTROPERMANENT MAGNET ARRAYS Sep 22, 2024 Pending
Array ( [id] => 20462581 [patent_doc_number] => 20260012010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => ELECTROSTATIC DISCHARGE PROTECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/893878 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893878 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893878
ELECTROSTATIC DISCHARGE PROTECTION DEVICE Sep 22, 2024 Pending
18/845091 LOW-VOLTAGE PROTECTIVE ARRANGEMENT Sep 8, 2024 Pending
Array ( [id] => 19836209 [patent_doc_number] => 20250087995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => WIDE INPUT VOLTAGE RANGE SURGE SUPPRESSOR [patent_app_type] => utility [patent_app_number] => 18/826006 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5052 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18826006 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826006
WIDE INPUT VOLTAGE RANGE SURGE SUPPRESSOR Sep 4, 2024 Pending
Array ( [id] => 19644247 [patent_doc_number] => 20240418767 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => SELF-TEST AUTO MONITOR GROUND FAULT CIRCUIT INTERRUPTER (GFCI) WITH POWER DENIAL [patent_app_type] => utility [patent_app_number] => 18/815453 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815453 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815453
SELF-TEST AUTO MONITOR GROUND FAULT CIRCUIT INTERRUPTER (GFCI) WITH POWER DENIAL Aug 25, 2024 Pending
Array ( [id] => 19804623 [patent_doc_number] => 20250070548 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => DISTRIBUTION SYSTEM PROTECTION DEVICE WITH VARIABLE CURRENT SETTINGS [patent_app_type] => utility [patent_app_number] => 18/813655 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8788 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18813655 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813655
DISTRIBUTION SYSTEM PROTECTION DEVICE WITH VARIABLE CURRENT SETTINGS Aug 22, 2024 Pending
Array ( [id] => 20089460 [patent_doc_number] => 20250219396 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => CONSTANT POWER ADAPTIVE CURRENT LIMITING PROTECTION CIRCUIT AND CONSTANT POWER ADAPTIVE CURRENT LIMITING PROTECTION CIRCUIT METHOD [patent_app_type] => utility [patent_app_number] => 18/811343 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18811343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811343
CONSTANT POWER ADAPTIVE CURRENT LIMITING PROTECTION CIRCUIT AND CONSTANT POWER ADAPTIVE CURRENT LIMITING PROTECTION CIRCUIT METHOD Aug 20, 2024 Pending
Array ( [id] => 19749955 [patent_doc_number] => 20250038520 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => SMART GRID INTERFACE RELAY AND BREAKER [patent_app_type] => utility [patent_app_number] => 18/790110 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18790110 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/790110
SMART GRID INTERFACE RELAY AND BREAKER Jul 30, 2024 Pending
Array ( [id] => 19758527 [patent_doc_number] => 20250047092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => METHOD AND APPARATUS FOR DIFFERENTIAL PROTECTION OF PROTECTION SECTION, RELAY PROTECTION DEVICE [patent_app_type] => utility [patent_app_number] => 18/780022 [patent_app_country] => US [patent_app_date] => 2024-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18780022 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/780022
METHOD AND APPARATUS FOR DIFFERENTIAL PROTECTION OF PROTECTION SECTION, RELAY PROTECTION DEVICE Jul 21, 2024 Pending
Array ( [id] => 19560752 [patent_doc_number] => 20240372544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => Overcurrent Protection Circuit [patent_app_type] => utility [patent_app_number] => 18/775424 [patent_app_country] => US [patent_app_date] => 2024-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10996 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18775424 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/775424
Overcurrent Protection Circuit Jul 16, 2024 Pending
Array ( [id] => 19559807 [patent_doc_number] => 20240371599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => METHOD, APPARATUS, AND SYSTEM FOR WAFER GROUNDING [patent_app_type] => utility [patent_app_number] => 18/772486 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34255 [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] => 18772486 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/772486
METHOD, APPARATUS, AND SYSTEM FOR WAFER GROUNDING Jul 14, 2024 Pending
Array ( [id] => 19957578 [patent_doc_number] => 12327998 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Adaptive power supply voltage transient protection [patent_app_type] => utility [patent_app_number] => 18/765285 [patent_app_country] => US [patent_app_date] => 2024-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 1310 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765285
Adaptive power supply voltage transient protection Jul 6, 2024 Issued
Array ( [id] => 19662636 [patent_doc_number] => 20240429701 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => METHOD FOR CHECKING THE ADEQUACY AT THE RESIDUAL CURRENTS OF DIFFERENTIAL CIRCUIT BREAKERS [patent_app_type] => utility [patent_app_number] => 18/750172 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3327 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18750172 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/750172
METHOD FOR CHECKING THE ADEQUACY AT THE RESIDUAL CURRENTS OF DIFFERENTIAL CIRCUIT BREAKERS Jun 20, 2024 Pending
Array ( [id] => 19453394 [patent_doc_number] => 20240313524 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => Electrical Power Transmission [patent_app_type] => utility [patent_app_number] => 18/670944 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18670944 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670944
Electrical Power Transmission May 21, 2024 Pending
Array ( [id] => 19576103 [patent_doc_number] => 20240380395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => FAST TURN-ON PROTECTION OF A CASCODE SWITCH [patent_app_type] => utility [patent_app_number] => 18/664092 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18664092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664092
Fast turn-on protection of a cascode switch May 13, 2024 Issued
Array ( [id] => 19421375 [patent_doc_number] => 20240297499 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => ESD PROTECTION CIRCUIT [patent_app_type] => utility [patent_app_number] => 18/658589 [patent_app_country] => US [patent_app_date] => 2024-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5248 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18658589 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/658589
ESD protection circuit May 7, 2024 Issued
18/707590 DC ENERGY-CONSUMING APPARATUS AND CONTROL METHOD, APPARATUS THEREOF AND STORAGE MEDIUM May 4, 2024 Pending
Array ( [id] => 19390091 [patent_doc_number] => 20240279961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => POWER CONTROLLER FOR A DOOR LOCK AND METHOD OF CONSERVING POWER [patent_app_type] => utility [patent_app_number] => 18/642886 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5114 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18642886 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/642886
Power controller for a door lock and method of conserving power Apr 22, 2024 Issued
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