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] => 19731511 [patent_doc_number] => 12209502 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Active fan tip treatment using rotating drum array with axial channels in fan track liner for distortion tolerance [patent_app_type] => utility [patent_app_number] => 18/758996 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 7160 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18758996 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/758996
Active fan tip treatment using rotating drum array with axial channels in fan track liner for distortion tolerance Jun 27, 2024 Issued
Array ( [id] => 20486442 [patent_doc_number] => 20260022640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING COOLING HOLES [patent_app_type] => utility [patent_app_number] => 18/665668 [patent_app_country] => US [patent_app_date] => 2024-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2869 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18665668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/665668
TURBINE ENGINE WITH A BLADE ASSEMBLY HAVING COOLING HOLES May 15, 2024 Pending
Array ( [id] => 19433394 [patent_doc_number] => 20240301892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => TURBOMACHINERY HOUSING WITH VARIABLE LATTICE DENSITIES [patent_app_type] => utility [patent_app_number] => 18/666029 [patent_app_country] => US [patent_app_date] => 2024-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5747 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18666029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/666029
TURBOMACHINERY HOUSING WITH VARIABLE LATTICE DENSITIES May 15, 2024 Abandoned
Array ( [id] => 19738887 [patent_doc_number] => 12215712 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Adjustable fan track liner with dual grooved array active fan tip treatment for distortion tolerance [patent_app_type] => utility [patent_app_number] => 18/660073 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 19 [patent_no_of_words] => 16278 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660073 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660073
Adjustable fan track liner with dual grooved array active fan tip treatment for distortion tolerance May 8, 2024 Issued
Array ( [id] => 19833075 [patent_doc_number] => 20250084861 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => FAN SHAFT STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/659669 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659669 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659669
FAN SHAFT STRUCTURE May 8, 2024 Pending
Array ( [id] => 19910732 [patent_doc_number] => 12286936 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-29 [patent_title] => Adjustable fan track liner with groove array active fan tip treatment for distortion tolerance [patent_app_type] => utility [patent_app_number] => 18/660069 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 14828 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660069 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660069
Adjustable fan track liner with groove array active fan tip treatment for distortion tolerance May 8, 2024 Issued
Array ( [id] => 19731550 [patent_doc_number] => 12209541 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Adjustable fan track liner with dual slotted array active fan tip treatment for distortion tolerance [patent_app_type] => utility [patent_app_number] => 18/660065 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 14076 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18660065 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/660065
Adjustable fan track liner with dual slotted array active fan tip treatment for distortion tolerance May 8, 2024 Issued
Array ( [id] => 19381666 [patent_doc_number] => 20240271536 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => AIRFOIL WITH RIBS DEFINING SHAPED COOLING CHANNEL [patent_app_type] => utility [patent_app_number] => 18/648857 [patent_app_country] => US [patent_app_date] => 2024-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648857 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648857
AIRFOIL WITH RIBS DEFINING SHAPED COOLING CHANNEL Apr 28, 2024 Abandoned
Array ( [id] => 19381695 [patent_doc_number] => 20240271565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => BEARING ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/644554 [patent_app_country] => US [patent_app_date] => 2024-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18644554 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/644554
Method of controlling rotor thrust loading in a turbine engine Apr 23, 2024 Issued
Array ( [id] => 19898343 [patent_doc_number] => 12276254 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Mass balancing of wind turbines [patent_app_type] => utility [patent_app_number] => 18/625806 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625806 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625806
Mass balancing of wind turbines Apr 2, 2024 Issued
Array ( [id] => 20280175 [patent_doc_number] => 20250305417 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => GAS TURBINE CORE TIE ROD WITH REDUCED SPAN [patent_app_type] => utility [patent_app_number] => 18/618454 [patent_app_country] => US [patent_app_date] => 2024-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3431 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18618454 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/618454
GAS TURBINE CORE TIE ROD WITH REDUCED SPAN Mar 26, 2024 Pending
Array ( [id] => 19480277 [patent_doc_number] => 20240328319 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => ROTOR ARRANGEMENT FOR A LOW-PRESSURE TURBINE OF A TURBOMACHINE [patent_app_type] => utility [patent_app_number] => 18/615352 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18615352 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615352
ROTOR ARRANGEMENT FOR A LOW-PRESSURE TURBINE OF A TURBOMACHINE Mar 24, 2024 Pending
Array ( [id] => 19390161 [patent_doc_number] => 20240280031 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => TURBINE WITH A SHROUD RING AROUND ROTOR BLADES AND METHOD OF LIMITING LEAKAGE OF WORKING FLUID IN A TURBINE [patent_app_type] => utility [patent_app_number] => 18/614048 [patent_app_country] => US [patent_app_date] => 2024-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18614048 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/614048
TURBINE WITH A SHROUD RING AROUND ROTOR BLADES AND METHOD OF LIMITING LEAKAGE OF WORKING FLUID IN A TURBINE Mar 21, 2024 Pending
Array ( [id] => 20343751 [patent_doc_number] => 12467475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Light emitting fan [patent_app_type] => utility [patent_app_number] => 18/607461 [patent_app_country] => US [patent_app_date] => 2024-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1200 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607461 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607461
Light emitting fan Mar 15, 2024 Issued
Array ( [id] => 20136722 [patent_doc_number] => 20250243766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => POLYMER-METAL COMPOSITE STATOR VANES AND METHODS FOR MANUFACTURING THE SAME [patent_app_type] => utility [patent_app_number] => 18/605370 [patent_app_country] => US [patent_app_date] => 2024-03-14 [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] => 18605370 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/605370
POLYMER-METAL COMPOSITE STATOR VANES AND METHODS FOR MANUFACTURING THE SAME Mar 13, 2024 Abandoned
Array ( [id] => 20194341 [patent_doc_number] => 20250271051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => TORQUE CONVERTER INCLUDING HOUSING SHELLS PRESS FIT TOGETHER [patent_app_type] => utility [patent_app_number] => 18/585601 [patent_app_country] => US [patent_app_date] => 2024-02-23 [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] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18585601 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/585601
TORQUE CONVERTER INCLUDING HOUSING SHELLS PRESS FIT TOGETHER Feb 22, 2024 Pending
Array ( [id] => 19624665 [patent_doc_number] => 12163477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Turbomachine comprising a speed reduction gear and at least one electric machine [patent_app_type] => utility [patent_app_number] => 18/427543 [patent_app_country] => US [patent_app_date] => 2024-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5613 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18427543 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/427543
Turbomachine comprising a speed reduction gear and at least one electric machine Jan 29, 2024 Issued
Array ( [id] => 20136728 [patent_doc_number] => 20250243772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => LIFE AND PERFORMANCE IMPROVEMENT TRENCHES [patent_app_type] => utility [patent_app_number] => 18/424109 [patent_app_country] => US [patent_app_date] => 2024-01-26 [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] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18424109 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/424109
Life and performance improvement trenches Jan 25, 2024 Issued
Array ( [id] => 19557205 [patent_doc_number] => 20240368997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => UNDUCTED THRUST PRODUCING SYSTEM ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 18/410290 [patent_app_country] => US [patent_app_date] => 2024-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3342 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18410290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/410290
UNDUCTED THRUST PRODUCING SYSTEM ARCHITECTURE Jan 10, 2024 Abandoned
Array ( [id] => 19128037 [patent_doc_number] => 20240133390 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => GAS BEARING MANAGEMENT FOR A COMPRESSOR [patent_app_type] => utility [patent_app_number] => 18/396316 [patent_app_country] => US [patent_app_date] => 2023-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5255 [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] => 18396316 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/396316
Gas bearing management for a compressor Dec 25, 2023 Issued
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