Search

Haixia Du

Examiner (ID: 4656, Phone: (571)270-5646 , Office: P/2611 )

Most Active Art Unit
2611
Art Unit(s)
2600, 2611, 2677, 2699, 2628
Total Applications
602
Issued Applications
491
Pending Applications
53
Abandoned Applications
73

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20321985 [patent_doc_number] => 20250334073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => VARIABLE AREA TURBINE NOZZLE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 19/173146 [patent_app_country] => US [patent_app_date] => 2025-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1099 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19173146 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/173146
VARIABLE AREA TURBINE NOZZLE ASSEMBLY Apr 7, 2025 Pending
Array ( [id] => 20165645 [patent_doc_number] => 20250257691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => CYCLONIC SEPARATOR FOR GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 19/049033 [patent_app_country] => US [patent_app_date] => 2025-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19049033 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/049033
CYCLONIC SEPARATOR FOR GAS TURBINE ENGINE Feb 9, 2025 Pending
Array ( [id] => 20165645 [patent_doc_number] => 20250257691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => CYCLONIC SEPARATOR FOR GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 19/049033 [patent_app_country] => US [patent_app_date] => 2025-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19049033 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/049033
CYCLONIC SEPARATOR FOR GAS TURBINE ENGINE Feb 9, 2025 Pending
Array ( [id] => 20453763 [patent_doc_number] => 12516815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Combustor liner panels [patent_app_type] => utility [patent_app_number] => 19/047035 [patent_app_country] => US [patent_app_date] => 2025-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19047035 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/047035
Combustor liner panels Feb 5, 2025 Issued
Array ( [id] => 20033888 [patent_doc_number] => 20250172110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => GAS TURBINE ENGINE WITH THIRD STREAM [patent_app_type] => utility [patent_app_number] => 19/042124 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18753 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19042124 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/042124
GAS TURBINE ENGINE WITH THIRD STREAM Jan 30, 2025 Pending
Array ( [id] => 20135139 [patent_doc_number] => 20250242183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => FIRE SUPPRESSION SYSTEM FOR AUTOMATIC TRACKING OF IGNITION POINT [patent_app_type] => utility [patent_app_number] => 19/042210 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19042210 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/042210
FIRE SUPPRESSION SYSTEM FOR AUTOMATIC TRACKING OF IGNITION POINT Jan 30, 2025 Pending
Array ( [id] => 20135139 [patent_doc_number] => 20250242183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => FIRE SUPPRESSION SYSTEM FOR AUTOMATIC TRACKING OF IGNITION POINT [patent_app_type] => utility [patent_app_number] => 19/042210 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3453 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19042210 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/042210
FIRE SUPPRESSION SYSTEM FOR AUTOMATIC TRACKING OF IGNITION POINT Jan 30, 2025 Pending
Array ( [id] => 20041753 [patent_doc_number] => 20250179975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-05 [patent_title] => GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 19/043121 [patent_app_country] => US [patent_app_date] => 2025-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13225 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19043121 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/043121
GAS TURBINE ENGINE Jan 30, 2025 Pending
Array ( [id] => 20033887 [patent_doc_number] => 20250172109 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => GAS TURBINE ENGINE WITH THIRD STREAM [patent_app_type] => utility [patent_app_number] => 19/037782 [patent_app_country] => US [patent_app_date] => 2025-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12574 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19037782 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/037782
GAS TURBINE ENGINE WITH THIRD STREAM Jan 26, 2025 Pending
Array ( [id] => 20050649 [patent_doc_number] => 20250188871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES [patent_app_type] => utility [patent_app_number] => 19/027471 [patent_app_country] => US [patent_app_date] => 2025-01-17 [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] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19027471 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/027471
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES Jan 16, 2025 Pending
Array ( [id] => 20050649 [patent_doc_number] => 20250188871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES [patent_app_type] => utility [patent_app_number] => 19/027471 [patent_app_country] => US [patent_app_date] => 2025-01-17 [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] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19027471 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/027471
GAS TURBINE ENGINE WITH HIGH SPEED LOW PRESSURE TURBINE SECTION AND BEARING SUPPORT FEATURES Jan 16, 2025 Pending
Array ( [id] => 20008216 [patent_doc_number] => 20250146438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => ACCESSIBLE DEBRIS SEPARATOR FOR HIGH PRESSURE TURBINE OUTSIDE DIAMETER FED STATIC COMPONENTS [patent_app_type] => utility [patent_app_number] => 19/018995 [patent_app_country] => US [patent_app_date] => 2025-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5892 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19018995 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/018995
ACCESSIBLE DEBRIS SEPARATOR FOR HIGH PRESSURE TURBINE OUTSIDE DIAMETER FED STATIC COMPONENTS Jan 12, 2025 Pending
Array ( [id] => 20008232 [patent_doc_number] => 20250146454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => GAS TURBINE ENGINE [patent_app_type] => utility [patent_app_number] => 19/017029 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19017029 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/017029
GAS TURBINE ENGINE Jan 9, 2025 Pending
Array ( [id] => 20453595 [patent_doc_number] => 12516647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Gas turbine engine with third stream [patent_app_type] => utility [patent_app_number] => 19/016281 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 36 [patent_no_of_words] => 42695 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19016281 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/016281
Gas turbine engine with third stream Jan 9, 2025 Issued
Array ( [id] => 19984627 [patent_doc_number] => 20250122849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => GAS TURBINE ENGINE WITH THIRD STREAM [patent_app_type] => utility [patent_app_number] => 18/991142 [patent_app_country] => US [patent_app_date] => 2024-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18991142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/991142
GAS TURBINE ENGINE WITH THIRD STREAM Dec 19, 2024 Pending
Array ( [id] => 19890931 [patent_doc_number] => 20250116243 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => GAS TURBINE ENGINE WITH THIRD STREAM [patent_app_type] => utility [patent_app_number] => 18/982445 [patent_app_country] => US [patent_app_date] => 2024-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24241 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18982445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/982445
GAS TURBINE ENGINE WITH THIRD STREAM Dec 15, 2024 Pending
Array ( [id] => 19991534 [patent_doc_number] => 20250129756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => GAS TURBINE ENGINE WITH THIRD STREAM [patent_app_type] => utility [patent_app_number] => 18/975350 [patent_app_country] => US [patent_app_date] => 2024-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19880 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 268 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18975350 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/975350
Gas turbine engine with third stream Dec 9, 2024 Issued
Array ( [id] => 20316384 [patent_doc_number] => 12454928 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Multistage variable burning rate solid rocket motor and forming method [patent_app_type] => utility [patent_app_number] => 18/962602 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18962602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/962602
Multistage variable burning rate solid rocket motor and forming method Nov 26, 2024 Issued
Array ( [id] => 20033875 [patent_doc_number] => 20250172097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => CONTROLLING SUPPLY OF AIRCRAFT ENGINE WITH MULTIPLE FUELS [patent_app_type] => utility [patent_app_number] => 18/960971 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18960971 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/960971
CONTROLLING SUPPLY OF AIRCRAFT ENGINE WITH MULTIPLE FUELS Nov 25, 2024 Issued
Array ( [id] => 19817704 [patent_doc_number] => 20250075911 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => COMBUSTOR [patent_app_type] => utility [patent_app_number] => 18/949096 [patent_app_country] => US [patent_app_date] => 2024-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18949096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/949096
Combustor having a main chamber and one or more trapped vortex cavities Nov 14, 2024 Issued
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