Search

Dung H. Bui

Examiner (ID: 3950, Phone: (571)270-7077 , Office: P/1773 )

Most Active Art Unit
1773
Art Unit(s)
1797, 1775, 1776, 1772, 1773, 4153
Total Applications
1739
Issued Applications
1313
Pending Applications
167
Abandoned Applications
285

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19815420 [patent_doc_number] => 20250073627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => Air Filter for Construction Projects [patent_app_type] => utility [patent_app_number] => 18/241476 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4716 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18241476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/241476
Air Filter for Construction Projects Aug 31, 2023 Pending
Array ( [id] => 20686798 [patent_doc_number] => 12616927 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Two-phase separator device for removing condensate or particulate from a gas stream [patent_app_type] => utility [patent_app_number] => 18/449578 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 4799 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18449578 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/449578
Two-phase separator device for removing condensate or particulate from a gas stream Aug 13, 2023 Issued
Array ( [id] => 19792444 [patent_doc_number] => 12233368 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Particle remover and method [patent_app_type] => utility [patent_app_number] => 18/448963 [patent_app_country] => US [patent_app_date] => 2023-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 8204 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18448963 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/448963
Particle remover and method Aug 12, 2023 Issued
Array ( [id] => 19019239 [patent_doc_number] => 20240075410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => GAS SOLUTION SUPPLY APPARATUS [patent_app_type] => utility [patent_app_number] => 18/363815 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18363815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363815
GAS SOLUTION SUPPLY APPARATUS Aug 1, 2023 Pending
Array ( [id] => 19467925 [patent_doc_number] => 20240321595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => APPARATUS FOR COLLECTING BY-PRODUCT FOR SEMICONDUCTOR MANUFACTURING PROCESS WITH IMPROVED COLLECTION SPACE EFFICIENCY [patent_app_type] => utility [patent_app_number] => 18/364371 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11550 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364371 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364371
Apparatus for collecting by-product for semiconductor manufacturing process with improved collection space efficiency Aug 1, 2023 Issued
Array ( [id] => 18771751 [patent_doc_number] => 20230366572 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => FILTERING SYSTEM, AIR CONDITIONING SYSTEM, DATA CENTER, AND CLEANING METHOD FOR FILTERING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/360417 [patent_app_country] => US [patent_app_date] => 2023-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15895 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18360417 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/360417
FILTERING SYSTEM, AIR CONDITIONING SYSTEM, DATA CENTER, AND CLEANING METHOD FOR FILTERING SYSTEM Jul 26, 2023 Abandoned
Array ( [id] => 20817837 [patent_doc_number] => 12673292 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-07 [patent_title] => CO [patent_app_type] => utility [patent_app_number] => 18/359293 [patent_app_country] => US [patent_app_date] => 2023-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7392 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18359293 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/359293
CO Jul 25, 2023 Issued
Array ( [id] => 19195626 [patent_doc_number] => 11992849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 18/226029 [patent_app_country] => US [patent_app_date] => 2023-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 43 [patent_no_of_words] => 14047 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18226029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/226029
Air treatment apparatus Jul 24, 2023 Issued
Array ( [id] => 18769852 [patent_doc_number] => 20230364622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/225641 [patent_app_country] => US [patent_app_date] => 2023-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27614 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18225641 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/225641
Surface cleaning apparatus Jul 23, 2023 Issued
Array ( [id] => 19708220 [patent_doc_number] => 20250018362 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => OFF-GAS FILTER FOR CAPTURING VOLATILE ELEMENTS [patent_app_type] => utility [patent_app_number] => 18/352396 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352396
OFF-GAS FILTER FOR CAPTURING VOLATILE ELEMENTS Jul 13, 2023 Pending
Array ( [id] => 20702156 [patent_doc_number] => 12624859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Air cleaner [patent_app_type] => utility [patent_app_number] => 18/221576 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 37 [patent_no_of_words] => 8118 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221576 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221576
Air cleaner Jul 12, 2023 Issued
Array ( [id] => 18901743 [patent_doc_number] => 20240017228 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => PROCESS AND APPARATUS FOR SEPARATING CATALYST FROM PRODUCT GAS [patent_app_type] => utility [patent_app_number] => 18/221383 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221383 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221383
PROCESS AND APPARATUS FOR SEPARATING CATALYST FROM PRODUCT GAS Jul 11, 2023 Pending
Array ( [id] => 18894200 [patent_doc_number] => 20240009685 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => SURFACE CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/220167 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 33484 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220167 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220167
Surface cleaning apparatus Jul 9, 2023 Issued
Array ( [id] => 18901726 [patent_doc_number] => 20240017211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => CARBON DIOXIDE RECOVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 18/347996 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18347996 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347996
CARBON DIOXIDE RECOVERY SYSTEM Jul 5, 2023 Pending
Array ( [id] => 19002386 [patent_doc_number] => 20240066457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => SYSTEM AND METHOD FOR TREATING A FLUID [patent_app_type] => utility [patent_app_number] => 18/347059 [patent_app_country] => US [patent_app_date] => 2023-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6009 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347059
SYSTEM AND METHOD FOR TREATING A FLUID Jul 4, 2023 Pending
Array ( [id] => 18723484 [patent_doc_number] => 20230337599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => DEBRIS-COLLECTING APPARATUS AND METHOD OF COLLECTING DEBRIS [patent_app_type] => utility [patent_app_number] => 18/217300 [patent_app_country] => US [patent_app_date] => 2023-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18217300 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/217300
DEBRIS-COLLECTING APPARATUS AND METHOD OF COLLECTING DEBRIS Jun 29, 2023 Abandoned
Array ( [id] => 19682814 [patent_doc_number] => 20250001359 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => STEEL MILL OFFGAS SEPARATION AND PURIFICATION [patent_app_type] => utility [patent_app_number] => 18/216179 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5979 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18216179 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216179
STEEL MILL OFFGAS SEPARATION AND PURIFICATION Jun 28, 2023 Pending
Array ( [id] => 18752851 [patent_doc_number] => 20230356133 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => Mobile Purification Device Having Heated Filter for Killing Biological Species, Including COVID-19 [patent_app_type] => utility [patent_app_number] => 18/213644 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [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] => 18213644 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213644
Mobile purification device having heated filter for killing biological species, including COVID-19 Jun 22, 2023 Issued
Array ( [id] => 18710160 [patent_doc_number] => 20230332784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => AIR PURIFIER [patent_app_type] => utility [patent_app_number] => 18/213102 [patent_app_country] => US [patent_app_date] => 2023-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18213102 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213102
AIR PURIFIER Jun 21, 2023 Pending
Array ( [id] => 20919233 [patent_doc_number] => 12714274 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-08-25 [patent_title] => Low profile bucket lid and dust cyclone [patent_app_type] => utility [patent_app_number] => 18/207377 [patent_app_country] => US [patent_app_date] => 2023-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207377 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207377
Low Profile Bucket Lid and Dust Cyclone Jun 7, 2023 Pending
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