
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |