Search

Hung S. Bui

Examiner (ID: 18716, Phone: (571)272-2102 , Office: P/2835 )

Most Active Art Unit
2841
Art Unit(s)
2835, 2846, 2841
Total Applications
2753
Issued Applications
2295
Pending Applications
133
Abandoned Applications
356

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20576820 [patent_doc_number] => 12569054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Electric cleaning brush using bristle brush for cleaning [patent_app_type] => utility [patent_app_number] => 19/315727 [patent_app_country] => US [patent_app_date] => 2025-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2373 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19315727 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/315727
Electric cleaning brush using bristle brush for cleaning Aug 31, 2025 Issued
Array ( [id] => 20626411 [patent_doc_number] => 20260090691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-02 [patent_title] => MULTI-FUNCTIONAL DOUBLE-HEAD ELECTRIC CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 19/312095 [patent_app_country] => US [patent_app_date] => 2025-08-27 [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] => -12 [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] => 19312095 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/312095
Multi-functional double-head electric cleaning device Aug 26, 2025 Issued
Array ( [id] => 20085947 [patent_doc_number] => 20250215883 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => AIR-MOVING DEVICE WITH SINGLE-PART ROTOR AND METHODS [patent_app_type] => utility [patent_app_number] => 19/084616 [patent_app_country] => US [patent_app_date] => 2025-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13254 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19084616 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/084616
Air-moving device with single-part rotor and methods Mar 18, 2025 Issued
Array ( [id] => 20032769 [patent_doc_number] => 20250170991 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => COLLAPSIBLE SNOW PADDLE AND METHOD OF USE [patent_app_type] => utility [patent_app_number] => 19/036924 [patent_app_country] => US [patent_app_date] => 2025-01-24 [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] => -15 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19036924 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/036924
COLLAPSIBLE SNOW PADDLE AND METHOD OF USE Jan 23, 2025 Pending
Array ( [id] => 20225874 [patent_doc_number] => 12414510 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Garden blower [patent_app_type] => utility [patent_app_number] => 18/955934 [patent_app_country] => US [patent_app_date] => 2024-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 516 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18955934 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/955934
Garden blower Nov 20, 2024 Issued
Array ( [id] => 20707433 [patent_doc_number] => 20260131761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-14 [patent_title] => AUTOMATIC CONDITION-BASED LENS CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/943763 [patent_app_country] => US [patent_app_date] => 2024-11-11 [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] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18943763 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/943763
AUTOMATIC CONDITION-BASED LENS CLEANING SYSTEM Nov 10, 2024 Pending
Array ( [id] => 20057983 [patent_doc_number] => 20250196205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => CLEANING SYSTEM AND METHOD FOR A CURVED SUBSTRATE [patent_app_type] => utility [patent_app_number] => 18/882746 [patent_app_country] => US [patent_app_date] => 2024-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18882746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/882746
CLEANING SYSTEM AND METHOD FOR A CURVED SUBSTRATE Sep 11, 2024 Pending
Array ( [id] => 19845834 [patent_doc_number] => 20250091185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => PAINT SCRAPER [patent_app_type] => utility [patent_app_number] => 18/822539 [patent_app_country] => US [patent_app_date] => 2024-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3968 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18822539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/822539
PAINT SCRAPER Sep 2, 2024 Pending
Array ( [id] => 19938434 [patent_doc_number] => 12310545 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-27 [patent_title] => General purpose tidying robot [patent_app_type] => utility [patent_app_number] => 18/819084 [patent_app_country] => US [patent_app_date] => 2024-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 75 [patent_figures_cnt] => 120 [patent_no_of_words] => 32697 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 553 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18819084 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/819084
General purpose tidying robot Aug 28, 2024 Issued
Array ( [id] => 19729743 [patent_doc_number] => 12207727 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-28 [patent_title] => Reciprocating cleaning brush [patent_app_type] => utility [patent_app_number] => 18/809342 [patent_app_country] => US [patent_app_date] => 2024-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2241 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18809342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809342
Reciprocating cleaning brush Aug 19, 2024 Issued
Array ( [id] => 19830115 [patent_doc_number] => 20250081901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => MULTI-TASK BLOWER PLATFORM, DEVICE AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/773201 [patent_app_country] => US [patent_app_date] => 2024-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18773201 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773201
MULTI-TASK BLOWER PLATFORM, DEVICE AND SYSTEM Jul 14, 2024 Pending
Array ( [id] => 20472742 [patent_doc_number] => 20260014961 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => EXTERNALLY MOUNTED WIPER SYSTEM FOR ROTATING HEAT EXCHANGE/DRYER [patent_app_type] => utility [patent_app_number] => 18/768744 [patent_app_country] => US [patent_app_date] => 2024-07-10 [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] => -15 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18768744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/768744
EXTERNALLY MOUNTED WIPER SYSTEM FOR ROTATING HEAT EXCHANGE/DRYER Jul 9, 2024 Pending
Array ( [id] => 19743360 [patent_doc_number] => 20250031925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CLEANING HEAD FOR A SURFACE TREATMENT APPARATUS HAVING ONE OR MORE STABILIZERS AND SURFACE TREATMENT APPARATUS HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 18/763290 [patent_app_country] => US [patent_app_date] => 2024-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18763290 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/763290
CLEANING HEAD FOR A SURFACE TREATMENT APPARATUS HAVING ONE OR MORE STABILIZERS AND SURFACE TREATMENT APPARATUS HAVING THE SAME Jul 2, 2024 Pending
Array ( [id] => 19681777 [patent_doc_number] => 20250000322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => DATA CARRIER, COMPUTER PROGRAM AND METHOD FOR OPERATING A MOBILE SELF-PROPELLED APPLIANCE [patent_app_type] => utility [patent_app_number] => 18/760246 [patent_app_country] => US [patent_app_date] => 2024-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18760246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/760246
DATA CARRIER, COMPUTER PROGRAM AND METHOD FOR OPERATING A MOBILE SELF-PROPELLED APPLIANCE Jun 30, 2024 Pending
Array ( [id] => 20427278 [patent_doc_number] => 20250389367 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-25 [patent_title] => PIPELINE SCALE REMOVAL [patent_app_type] => utility [patent_app_number] => 18/753633 [patent_app_country] => US [patent_app_date] => 2024-06-25 [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] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18753633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/753633
PIPELINE SCALE REMOVAL Jun 24, 2024 Pending
Array ( [id] => 19496055 [patent_doc_number] => 20240335073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/745099 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14205 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745099 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745099
Surface cleaning apparatus Jun 16, 2024 Issued
Array ( [id] => 19752211 [patent_doc_number] => 20250040776 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => ROBOT CLEANER INCLUDING LIGHT EMITTER AND CONTROLLING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/742668 [patent_app_country] => US [patent_app_date] => 2024-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18742668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/742668
ROBOT CLEANER INCLUDING LIGHT EMITTER AND CONTROLLING METHOD THEREOF Jun 12, 2024 Pending
Array ( [id] => 19477089 [patent_doc_number] => 20240325131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => HYGIENIC BRUSH [patent_app_type] => utility [patent_app_number] => 18/738867 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738867 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738867
HYGIENIC BRUSH Jun 9, 2024 Abandoned
Array ( [id] => 19615657 [patent_doc_number] => 20240401337 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => GUTTER AND DOWNSPOUT CLEANING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 18/680231 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5215 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18680231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680231
Gutter and downspout cleaning device and method May 30, 2024 Issued
Array ( [id] => 19612514 [patent_doc_number] => 20240398194 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => METHOD AND DEVICE FOR THE AUTOMATED EMPTYING OF LOOSE TRANSPORT GOODS FROM A CONTAINER [patent_app_type] => utility [patent_app_number] => 18/678077 [patent_app_country] => US [patent_app_date] => 2024-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678077 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678077
METHOD AND DEVICE FOR THE AUTOMATED EMPTYING OF LOOSE TRANSPORT GOODS FROM A CONTAINER May 29, 2024 Pending
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