Search

Dung H. Bui

Examiner (ID: 4731, Phone: (571)270-7077 , Office: P/1773 )

Most Active Art Unit
1773
Art Unit(s)
1775, 1773, 1776, 1772, 1797, 4153
Total Applications
1691
Issued Applications
1279
Pending Applications
191
Abandoned Applications
269

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19156571 [patent_doc_number] => 20240149278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => A MODULAR CENTRIFUGAL SEPARATOR FOR CLEANING GAS [patent_app_type] => utility [patent_app_number] => 18/280433 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7180 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18280433 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280433
A MODULAR CENTRIFUGAL SEPARATOR FOR CLEANING GAS Feb 17, 2022 Pending
Array ( [id] => 18467470 [patent_doc_number] => 20230201751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => FRAME FOR COLLAPSIBLE AND FOLDABLE PLEATED DISPOSABLE AIR FILTER WITH DIFFERENTIAL PRESSURE SENSOR AND COMMUNICATION CAPABILITY [patent_app_type] => utility [patent_app_number] => 17/674626 [patent_app_country] => US [patent_app_date] => 2022-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10363 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17674626 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/674626
FRAME FOR COLLAPSIBLE AND FOLDABLE PLEATED DISPOSABLE AIR FILTER WITH DIFFERENTIAL PRESSURE SENSOR AND COMMUNICATION CAPABILITY Feb 16, 2022 Pending
Array ( [id] => 17626158 [patent_doc_number] => 20220161173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => FLOW AND PRESSURE CONTROL IN CYCLONIC FILTER ARRAYS [patent_app_type] => utility [patent_app_number] => 17/670283 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17670283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/670283
FLOW AND PRESSURE CONTROL IN CYCLONIC FILTER ARRAYS Feb 10, 2022 Abandoned
Array ( [id] => 19032956 [patent_doc_number] => 20240082771 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => REDUCED-SIZE DEVICE FOR AIR PURIFICATION [patent_app_type] => utility [patent_app_number] => 18/263053 [patent_app_country] => US [patent_app_date] => 2022-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2255 [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] => 18263053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/263053
REDUCED-SIZE DEVICE FOR AIR PURIFICATION Feb 3, 2022 Pending
Array ( [id] => 19535627 [patent_doc_number] => 12128161 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Sterilization device, air filter, and filtration system [patent_app_type] => utility [patent_app_number] => 17/577526 [patent_app_country] => US [patent_app_date] => 2022-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5149 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17577526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577526
Sterilization device, air filter, and filtration system Jan 17, 2022 Issued
Array ( [id] => 18870117 [patent_doc_number] => 11857897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Gas cooling-scrubbing apparatus and method [patent_app_type] => utility [patent_app_number] => 17/577177 [patent_app_country] => US [patent_app_date] => 2022-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3758 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17577177 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577177
Gas cooling-scrubbing apparatus and method Jan 16, 2022 Issued
Array ( [id] => 19020897 [patent_doc_number] => 20240077068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => GAS COOLER [patent_app_type] => utility [patent_app_number] => 18/261756 [patent_app_country] => US [patent_app_date] => 2022-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5866 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18261756 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/261756
GAS COOLER Jan 12, 2022 Pending
Array ( [id] => 19140864 [patent_doc_number] => 20240139665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => FILTER CONTAINER SYSTEM HAVING AN AIR-BLEEDING MECHANISM [patent_app_type] => utility [patent_app_number] => 18/272211 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3412 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18272211 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/272211
FILTER CONTAINER SYSTEM HAVING AN AIR-BLEEDING MECHANISM Jan 4, 2022 Pending
Array ( [id] => 17864790 [patent_doc_number] => 20220287525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => CYCLONIC SEPARATING DEVICE AND SURFACE CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 17/567026 [patent_app_country] => US [patent_app_date] => 2021-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2821 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17567026 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/567026
Cyclonic separating device and surface cleaning device Dec 30, 2021 Issued
Array ( [id] => 18075306 [patent_doc_number] => 20220400918 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => SEPARATION STRUCTURE FOR DUST CUP OF VACUUM CLEANER [patent_app_type] => utility [patent_app_number] => 17/566619 [patent_app_country] => US [patent_app_date] => 2021-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2557 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17566619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/566619
SEPARATION STRUCTURE FOR DUST CUP OF VACUUM CLEANER Dec 29, 2021 Abandoned
Array ( [id] => 18970790 [patent_doc_number] => 20240050882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => GAS-LIQUID SEPARATOR [patent_app_type] => utility [patent_app_number] => 18/268019 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18268019 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/268019
GAS-LIQUID SEPARATOR Dec 26, 2021 Pending
Array ( [id] => 18940583 [patent_doc_number] => 20240035722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => OIL SEPARATOR FOR COMPRESSOR AND COMPRESSOR FOR CRYOGENIC REFRIGERATOR [patent_app_type] => utility [patent_app_number] => 18/276128 [patent_app_country] => US [patent_app_date] => 2021-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276128 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276128
OIL SEPARATOR FOR COMPRESSOR AND COMPRESSOR FOR CRYOGENIC REFRIGERATOR Dec 26, 2021 Pending
Array ( [id] => 19082212 [patent_doc_number] => 20240109013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => AIR FILTER WITH INTEGRATED SEALED ACCESS POR [patent_app_type] => utility [patent_app_number] => 18/268960 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7084 [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] => 18268960 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/268960
AIR FILTER WITH INTEGRATED SEALED ACCESS POR Dec 21, 2021 Pending
Array ( [id] => 18450018 [patent_doc_number] => 20230191295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => MULTISTAGE SWIRLER FOR ENVIRONMENTAL CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/559463 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17559463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/559463
MULTISTAGE SWIRLER FOR ENVIRONMENTAL CONTROL SYSTEM Dec 21, 2021 Abandoned
Array ( [id] => 17671473 [patent_doc_number] => 20220184640 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/553961 [patent_app_country] => US [patent_app_date] => 2021-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10289 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17553961 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/553961
Surface cleaning apparatus Dec 16, 2021 Issued
Array ( [id] => 17640073 [patent_doc_number] => 20220167811 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => SURFACE CLEANING APPARATUS WITH AN EXTERNAL DIRT CHAMBER [patent_app_type] => utility [patent_app_number] => 17/549138 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549138 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549138
Surface cleaning apparatus with an external dirt chamber Dec 12, 2021 Issued
Array ( [id] => 17865782 [patent_doc_number] => 20220288517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => CONDENSATION DEVICE FOR COMPRESSED AIR [patent_app_type] => utility [patent_app_number] => 17/549139 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11178 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549139 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549139
CONDENSATION DEVICE FOR COMPRESSED AIR Dec 12, 2021 Abandoned
Array ( [id] => 19792449 [patent_doc_number] => 12233373 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Dust collector [patent_app_type] => utility [patent_app_number] => 17/547929 [patent_app_country] => US [patent_app_date] => 2021-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7218 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [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] => 17547929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/547929
Dust collector Dec 9, 2021 Issued
Array ( [id] => 18434757 [patent_doc_number] => 20230182051 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => VAPOR PARTICLE SEPARATOR [patent_app_type] => utility [patent_app_number] => 17/546754 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17546754 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/546754
Vapor particle separator Dec 8, 2021 Issued
Array ( [id] => 17671474 [patent_doc_number] => 20220184641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => AIR/OIL SEPARATOR APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 17/643544 [patent_app_country] => US [patent_app_date] => 2021-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17643544 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/643544
Air/oil separator apparatus and method Dec 8, 2021 Issued
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