Search

Celia C. Chang

Examiner (ID: 14843, Phone: (571)272-0679 , Office: P/1625 )

Most Active Art Unit
1625
Art Unit(s)
2899, 1612, 1203, 1625, 1202
Total Applications
3041
Issued Applications
1838
Pending Applications
177
Abandoned Applications
1031

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19433365 [patent_doc_number] => 20240301863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => WIND TURBINE SYSTEM [patent_app_type] => utility [patent_app_number] => 18/597092 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8187 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597092
WIND TURBINE SYSTEM Mar 5, 2024 Pending
Array ( [id] => 19594661 [patent_doc_number] => 12152491 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-26 [patent_title] => Ribbed seal element for aircraft powerplant [patent_app_type] => utility [patent_app_number] => 18/590001 [patent_app_country] => US [patent_app_date] => 2024-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 6762 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18590001 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/590001
Ribbed seal element for aircraft powerplant Feb 27, 2024 Issued
Array ( [id] => 19916694 [patent_doc_number] => 12292053 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-06 [patent_title] => Computerized systems and methods for automatic ceiling fan operation [patent_app_type] => utility [patent_app_number] => 18/443474 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 5556 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18443474 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/443474
Computerized systems and methods for automatic ceiling fan operation Feb 15, 2024 Issued
Array ( [id] => 19497314 [patent_doc_number] => 20240336332 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => Rapid Adjustment Cleat Assembly [patent_app_type] => utility [patent_app_number] => 18/440021 [patent_app_country] => US [patent_app_date] => 2024-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18440021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/440021
Rapid Adjustment Cleat Assembly Feb 12, 2024 Pending
Array ( [id] => 19492198 [patent_doc_number] => 12110898 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-08 [patent_title] => Disassemblable fan blade and ceiling fan light [patent_app_type] => utility [patent_app_number] => 18/436035 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2888 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436035
Disassemblable fan blade and ceiling fan light Feb 7, 2024 Issued
Array ( [id] => 19492099 [patent_doc_number] => 12110798 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-08 [patent_title] => Blade outer air seal with machinable coating [patent_app_type] => utility [patent_app_number] => 18/428956 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4938 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18428956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428956
Blade outer air seal with machinable coating Jan 30, 2024 Issued
Array ( [id] => 19492098 [patent_doc_number] => 12110797 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-08 [patent_title] => Blade outer air seal with seal plate and flexible seal [patent_app_type] => utility [patent_app_number] => 18/428450 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3395 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18428450 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428450
Blade outer air seal with seal plate and flexible seal Jan 30, 2024 Issued
Array ( [id] => 19923475 [patent_doc_number] => 12297747 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-13 [patent_title] => Inlet protector for vane coupling hole [patent_app_type] => utility [patent_app_number] => 18/406289 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18406289 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/406289
Inlet protector for vane coupling hole Jan 7, 2024 Issued
Array ( [id] => 19301240 [patent_doc_number] => 20240229811 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => METHOD OF PREVENTING DAMAGE TO A PUMP [patent_app_type] => utility [patent_app_number] => 18/401844 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401844
Method of preventing damage to a pump Jan 1, 2024 Issued
Array ( [id] => 19301240 [patent_doc_number] => 20240229811 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => METHOD OF PREVENTING DAMAGE TO A PUMP [patent_app_type] => utility [patent_app_number] => 18/401844 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 28385 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18401844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/401844
Method of preventing damage to a pump Jan 1, 2024 Issued
Array ( [id] => 19702083 [patent_doc_number] => 12196099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Shroud hanger assembly [patent_app_type] => utility [patent_app_number] => 18/398597 [patent_app_country] => US [patent_app_date] => 2023-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 7160 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18398597 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/398597
Shroud hanger assembly Dec 27, 2023 Issued
Array ( [id] => 19282409 [patent_doc_number] => 20240218884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => VENTILATION FAN [patent_app_type] => utility [patent_app_number] => 18/397424 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3971 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18397424 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397424
VENTILATION FAN Dec 26, 2023 Abandoned
Array ( [id] => 19565280 [patent_doc_number] => 12140044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Blade with improved cooling performance and gas turbine having the same [patent_app_type] => utility [patent_app_number] => 18/397071 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10215 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18397071 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397071
Blade with improved cooling performance and gas turbine having the same Dec 26, 2023 Issued
Array ( [id] => 19374382 [patent_doc_number] => 12065937 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-08-20 [patent_title] => Variable area nozzle assembly for an aircraft propulsion system [patent_app_type] => utility [patent_app_number] => 18/394669 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8941 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18394669 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394669
Variable area nozzle assembly for an aircraft propulsion system Dec 21, 2023 Issued
Array ( [id] => 19738780 [patent_doc_number] => 12215604 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-04 [patent_title] => Cooling nozzle vanes of a turbine engine [patent_app_type] => utility [patent_app_number] => 18/394810 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 7332 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18394810 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394810
Cooling nozzle vanes of a turbine engine Dec 21, 2023 Issued
Array ( [id] => 19374390 [patent_doc_number] => 12065945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Internally cooled turbine blade [patent_app_type] => utility [patent_app_number] => 18/545535 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 7544 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545535 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545535
Internally cooled turbine blade Dec 18, 2023 Issued
Array ( [id] => 19441735 [patent_doc_number] => 12091980 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-09-17 [patent_title] => Spring biased shroud retention system for gas turbine engine [patent_app_type] => utility [patent_app_number] => 18/538434 [patent_app_country] => US [patent_app_date] => 2023-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10643 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18538434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/538434
Spring biased shroud retention system for gas turbine engine Dec 12, 2023 Issued
Array ( [id] => 20038550 [patent_doc_number] => 20250176772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => SUCTION AND BLOWING INTEGRATED CARE MACHINE [patent_app_type] => utility [patent_app_number] => 18/533480 [patent_app_country] => US [patent_app_date] => 2023-12-08 [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] => -9 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18533480 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/533480
SUCTION AND BLOWING INTEGRATED CARE MACHINE Dec 7, 2023 Pending
Array ( [id] => 20048908 [patent_doc_number] => 20250187130 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => MODULAR BORE POLISHING DEVICES, AND ASSOCIATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/532936 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2200 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532936
MODULAR BORE POLISHING DEVICES, AND ASSOCIATED SYSTEMS AND METHODS Dec 6, 2023 Pending
Array ( [id] => 19641958 [patent_doc_number] => 20240416478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => MATERIAL CUTTING AND GRINDING DEVICE [patent_app_type] => utility [patent_app_number] => 18/531759 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4306 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18531759 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/531759
Material cutting and grinding device Dec 6, 2023 Issued
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