Search

Kyung Sook Chang

Examiner (ID: 4501, Phone: (571)270-1392 , Office: P/1613 )

Most Active Art Unit
1613
Art Unit(s)
1613
Total Applications
897
Issued Applications
491
Pending Applications
124
Abandoned Applications
314

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20518413 [patent_doc_number] => 20260042517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => FLOATING WIND TURBINE PLATFORM [patent_app_type] => utility [patent_app_number] => 19/363435 [patent_app_country] => US [patent_app_date] => 2025-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 19363435 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/363435
FLOATING WIND TURBINE PLATFORM Oct 19, 2025 Pending
Array ( [id] => 20094038 [patent_doc_number] => 20250223974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => NOZZLE FOR A FAN ASSEMBLY [patent_app_type] => utility [patent_app_number] => 19/092252 [patent_app_country] => US [patent_app_date] => 2025-03-27 [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] => -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] => 19092252 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/092252
NOZZLE FOR A FAN ASSEMBLY Mar 26, 2025 Pending
Array ( [id] => 20060163 [patent_doc_number] => 20250198385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => TRANSITION PIECE FOR A HYBRID WIND TURBINE TOWER AND METHOD FOR ASSEMBLING SAME [patent_app_type] => utility [patent_app_number] => 19/071053 [patent_app_country] => US [patent_app_date] => 2025-03-05 [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] => -16 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19071053 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/071053
TRANSITION PIECE FOR A HYBRID WIND TURBINE TOWER AND METHOD FOR ASSEMBLING SAME Mar 4, 2025 Pending
Array ( [id] => 20050728 [patent_doc_number] => 20250188950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => COMPRESSOR SHROUD WITH SWEPT GROOVES [patent_app_type] => utility [patent_app_number] => 19/061187 [patent_app_country] => US [patent_app_date] => 2025-02-24 [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] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19061187 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/061187
COMPRESSOR SHROUD WITH SWEPT GROOVES Feb 23, 2025 Pending
Array ( [id] => 20233106 [patent_doc_number] => 20250290425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => ELECTRONICALLY PILOTED LOW PITCH STOP PROTECTION [patent_app_type] => utility [patent_app_number] => 19/052826 [patent_app_country] => US [patent_app_date] => 2025-02-13 [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] => -14 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19052826 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/052826
ELECTRONICALLY PILOTED LOW PITCH STOP PROTECTION Feb 12, 2025 Pending
Array ( [id] => 20151121 [patent_doc_number] => 20250250959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD USING TIDES, WAVES AND/OR WIND [patent_app_type] => utility [patent_app_number] => 19/040359 [patent_app_country] => US [patent_app_date] => 2025-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19040359 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/040359
POWER AMPLIFICATION, STORAGE AND REGENERATION SYSTEM AND METHOD USING TIDES, WAVES AND/OR WIND Jan 28, 2025 Pending
Array ( [id] => 20008288 [patent_doc_number] => 20250146510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => MOTOR AND AXIAL FAN [patent_app_type] => utility [patent_app_number] => 19/014588 [patent_app_country] => US [patent_app_date] => 2025-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19014588 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/014588
MOTOR AND AXIAL FAN Jan 8, 2025 Pending
Array ( [id] => 19991569 [patent_doc_number] => 20250129791 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => CENTRIFUGAL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/010262 [patent_app_country] => US [patent_app_date] => 2025-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5638 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19010262 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/010262
Centrifugal compressor Jan 5, 2025 Issued
Array ( [id] => 19999166 [patent_doc_number] => 20250137388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => TURBINE [patent_app_type] => utility [patent_app_number] => 19/010266 [patent_app_country] => US [patent_app_date] => 2025-01-06 [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] => -4 [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] => 19010266 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/010266
TURBINE Jan 5, 2025 Pending
Array ( [id] => 19984669 [patent_doc_number] => 20250122891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => CENTRIFUGAL ACCELERATION STABILIZER [patent_app_type] => utility [patent_app_number] => 18/973370 [patent_app_country] => US [patent_app_date] => 2024-12-09 [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] => -16 [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] => 18973370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/973370
Centrifugal acceleration stabilizer Dec 8, 2024 Issued
Array ( [id] => 20041715 [patent_doc_number] => 20250179937 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => METHOD AND APPARATUS FOR CERAMIC MATRIX COMPOSITE TURBINE SHROUD ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/974674 [patent_app_country] => US [patent_app_date] => 2024-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1106 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18974674 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/974674
METHOD AND APPARATUS FOR CERAMIC MATRIX COMPOSITE TURBINE SHROUD ASSEMBLY Dec 8, 2024 Issued
Array ( [id] => 19815201 [patent_doc_number] => 20250073408 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => IMPELLER FOR A RESPIRATORY DEVICE [patent_app_type] => utility [patent_app_number] => 18/952013 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952013
Impeller for a respiratory device Nov 18, 2024 Issued
Array ( [id] => 20008275 [patent_doc_number] => 20250146497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => GAS BEARING MANAGEMENT FOR A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/950763 [patent_app_country] => US [patent_app_date] => 2024-11-18 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18950763 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/950763
Gas bearing management for a compressor Nov 17, 2024 Issued
Array ( [id] => 20194292 [patent_doc_number] => 20250271002 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => THREE-AXIS TUNED MASS DAMPER FOR TURBO MOLECULAR PUMP [patent_app_type] => utility [patent_app_number] => 18/925931 [patent_app_country] => US [patent_app_date] => 2024-10-24 [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] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18925931 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/925931
THREE-AXIS TUNED MASS DAMPER FOR TURBO MOLECULAR PUMP Oct 23, 2024 Pending
Array ( [id] => 19746562 [patent_doc_number] => 20250035127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => TURBINE AND TURBOCHARGER [patent_app_type] => utility [patent_app_number] => 18/917547 [patent_app_country] => US [patent_app_date] => 2024-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5738 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18917547 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/917547
TURBINE AND TURBOCHARGER Oct 15, 2024 Pending
Array ( [id] => 19710237 [patent_doc_number] => 20250020379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => DRIVE SYSTEM, TURBO COMPRESSOR, AND REFRIGERATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/900980 [patent_app_country] => US [patent_app_date] => 2024-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18900980 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/900980
DRIVE SYSTEM, TURBO COMPRESSOR, AND REFRIGERATION DEVICE Sep 29, 2024 Pending
Array ( [id] => 19724751 [patent_doc_number] => 20250027502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => AXIAL-FLOW HEAT-DISSIPATION FAN [patent_app_type] => utility [patent_app_number] => 18/765348 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2120 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765348
AXIAL-FLOW HEAT-DISSIPATION FAN Jul 7, 2024 Pending
Array ( [id] => 19529040 [patent_doc_number] => 20240352942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => TANDEM BLADE ROTOR DISK [patent_app_type] => utility [patent_app_number] => 18/762512 [patent_app_country] => US [patent_app_date] => 2024-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18762512 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/762512
TANDEM BLADE ROTOR DISK Jul 1, 2024 Pending
Array ( [id] => 19638378 [patent_doc_number] => 12168983 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-17 [patent_title] => Active fan tip treatment using rotating drum array in fan track liner with axial and circumferential channels for distortion tolerance [patent_app_type] => utility [patent_app_number] => 18/759050 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 6716 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18759050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759050
Active fan tip treatment using rotating drum array in fan track liner with axial and circumferential channels for distortion tolerance Jun 27, 2024 Issued
Array ( [id] => 19724754 [patent_doc_number] => 20250027505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-23 [patent_title] => VENTILATION UNIT [patent_app_type] => utility [patent_app_number] => 18/757703 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18757703 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/757703
VENTILATION UNIT Jun 27, 2024 Pending
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