Search

Dung H. Bui

Examiner (ID: 12242, Phone: (571)270-7077 , Office: P/1773 )

Most Active Art Unit
1773
Art Unit(s)
4153, 1772, 1773, 1775, 1776, 1797
Total Applications
1685
Issued Applications
1278
Pending Applications
195
Abandoned Applications
268

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20427346 [patent_doc_number] => 20250389435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => AIRFIELD SYSTEMS, DEVICES, AND METHODS [patent_app_type] => utility [patent_app_number] => 19/306630 [patent_app_country] => US [patent_app_date] => 2025-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15349 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 19306630 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/306630
AIRFIELD SYSTEMS, DEVICES, AND METHODS Aug 20, 2025 Pending
Array ( [id] => 20213725 [patent_doc_number] => 12410369 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => Flat push hot car for foundry coke and associated systems and methods [patent_app_type] => utility [patent_app_number] => 18/954882 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 5650 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18954882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/954882
Flat push hot car for foundry coke and associated systems and methods Nov 20, 2024 Issued
Array ( [id] => 19650352 [patent_doc_number] => 12172113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Air filter [patent_app_type] => utility [patent_app_number] => 18/788132 [patent_app_country] => US [patent_app_date] => 2024-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6137 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 629 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18788132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/788132
Air filter Jul 29, 2024 Issued
Array ( [id] => 19557726 [patent_doc_number] => 20240369518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => Gas-Liquid Separator for a Chromatography System [patent_app_type] => utility [patent_app_number] => 18/769870 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18769870 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769870
Gas-Liquid Separator for a Chromatography System Jul 10, 2024 Pending
Array ( [id] => 19542764 [patent_doc_number] => 20240359800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER [patent_app_type] => utility [patent_app_number] => 18/769955 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769955
CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER Jul 10, 2024 Pending
Array ( [id] => 19542764 [patent_doc_number] => 20240359800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER [patent_app_type] => utility [patent_app_number] => 18/769955 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769955
CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER Jul 10, 2024 Pending
Array ( [id] => 19542764 [patent_doc_number] => 20240359800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER [patent_app_type] => utility [patent_app_number] => 18/769955 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769955 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769955
CENTRIFUGAL WATER COLLECTOR WITH CONICAL WATER SCUPPER Jul 10, 2024 Pending
Array ( [id] => 20076651 [patent_doc_number] => 12350689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-08 [patent_title] => Surface cleaning apparatus [patent_app_type] => utility [patent_app_number] => 18/767495 [patent_app_country] => US [patent_app_date] => 2024-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 158 [patent_figures_cnt] => 334 [patent_no_of_words] => 40698 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 340 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18767495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/767495
Surface cleaning apparatus Jul 8, 2024 Issued
Array ( [id] => 20451376 [patent_doc_number] => 12514418 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Hand vacuum cleaner [patent_app_type] => utility [patent_app_number] => 18/764841 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 91 [patent_figures_cnt] => 175 [patent_no_of_words] => 33473 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18764841 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764841
Hand vacuum cleaner Jul 4, 2024 Issued
Array ( [id] => 19498188 [patent_doc_number] => 20240337206 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => METHODS OF ATTACHING A FLAT LAYER TO A HUB OF AN AXIAL FLOW ELEMENT [patent_app_type] => utility [patent_app_number] => 18/743567 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6282 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18743567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743567
METHODS OF ATTACHING A FLAT LAYER TO A HUB OF AN AXIAL FLOW ELEMENT Jun 13, 2024 Pending
18/718983 SOLID SORBENT FOR REMOVAL OF CARBON DIOXIDE FROM A CO2-CONTAINING GAS Jun 11, 2024 Pending
Array ( [id] => 19461836 [patent_doc_number] => 20240315505 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => ROBOTIC VACUUM CLEANER WITH DIRT ENCLOSING MEMBER AND METHOD OF USING THE SAME [patent_app_type] => utility [patent_app_number] => 18/734716 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32276 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18734716 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734716
Robotic vacuum cleaner with dirt enclosing member and method of using the same Jun 4, 2024 Issued
Array ( [id] => 19479188 [patent_doc_number] => 20240327230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => SYSTEM AND METHOD FOR PERFORMING SEPARATION AND DEHYDROXYLATION OF FUMED SILICA SOOT PARTICLES [patent_app_type] => utility [patent_app_number] => 18/732805 [patent_app_country] => US [patent_app_date] => 2024-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7240 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18732805 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732805
System and method for performing separation and dehydroxylation of fumed silica soot particles Jun 3, 2024 Issued
Array ( [id] => 19431458 [patent_doc_number] => 20240299956 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-12 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/667610 [patent_app_country] => US [patent_app_date] => 2024-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 359 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18667610 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/667610
Surface cleaning apparatus May 16, 2024 Issued
Array ( [id] => 19417646 [patent_doc_number] => 20240293769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => AIR CLEANER BYPASS ASSEMBLY AND METHOD OF OPERATING [patent_app_type] => utility [patent_app_number] => 18/663457 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663457
AIR CLEANER BYPASS ASSEMBLY AND METHOD OF OPERATING May 13, 2024 Pending
Array ( [id] => 19417646 [patent_doc_number] => 20240293769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => AIR CLEANER BYPASS ASSEMBLY AND METHOD OF OPERATING [patent_app_type] => utility [patent_app_number] => 18/663457 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18663457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/663457
AIR CLEANER BYPASS ASSEMBLY AND METHOD OF OPERATING May 13, 2024 Pending
Array ( [id] => 19650491 [patent_doc_number] => 12172253 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-24 [patent_title] => Debris management system for both positive and negative pressure dust collectors [patent_app_type] => utility [patent_app_number] => 18/659199 [patent_app_country] => US [patent_app_date] => 2024-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4533 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18659199 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/659199
Debris management system for both positive and negative pressure dust collectors May 8, 2024 Issued
Array ( [id] => 19359770 [patent_doc_number] => 20240261804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/640881 [patent_app_country] => US [patent_app_date] => 2024-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18640881 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/640881
Surface cleaning apparatus Apr 18, 2024 Issued
Array ( [id] => 19359678 [patent_doc_number] => 20240261712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => METHODS AND APPARATUS FOR AN INERTIAL SEPARATION OF AIR IN AN ELECTRIC AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/608415 [patent_app_country] => US [patent_app_date] => 2024-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18608415 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/608415
METHODS AND APPARATUS FOR AN INERTIAL SEPARATION OF AIR IN AN ELECTRIC AIRCRAFT Mar 17, 2024 Pending
Array ( [id] => 19838723 [patent_doc_number] => 12251074 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Surface cleaning apparatus with an external dirt chamber [patent_app_type] => utility [patent_app_number] => 18/597193 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 40 [patent_figures_cnt] => 48 [patent_no_of_words] => 16117 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 411 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597193
Surface cleaning apparatus with an external dirt chamber Mar 5, 2024 Issued
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