Search

Dao H. Nguyen

Examiner (ID: 13856, Phone: (571)272-1791 , Office: P/2818 )

Most Active Art Unit
2818
Art Unit(s)
2818
Total Applications
2270
Issued Applications
1969
Pending Applications
136
Abandoned Applications
191

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19571678 [patent_doc_number] => 20240375970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-14 [patent_title] => MULTIFUNCTIONAL CO-ORDINATION FRAMEWORK MATERIALS [patent_app_type] => utility [patent_app_number] => 18/782366 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15330 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782366 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782366
MULTIFUNCTIONAL CO-ORDINATION FRAMEWORK MATERIALS Jul 23, 2024 Pending
Array ( [id] => 19447675 [patent_doc_number] => 20240307805 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => FILTER MEDIA INCLUDING ADHESIVES [patent_app_type] => utility [patent_app_number] => 18/678573 [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] => 37343 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18678573 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/678573
FILTER MEDIA INCLUDING ADHESIVES May 29, 2024 Pending
Array ( [id] => 19563846 [patent_doc_number] => 12138597 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Method for making and using a gas separation membrane [patent_app_type] => utility [patent_app_number] => 18/607129 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8717 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607129
Method for making and using a gas separation membrane Mar 14, 2024 Issued
Array ( [id] => 19388320 [patent_doc_number] => 20240278190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => GAS SEPARATION METHOD WITH MULTILAYER MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/607137 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18607137 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607137
Gas separation method with multilayer membrane Mar 14, 2024 Issued
Array ( [id] => 19563845 [patent_doc_number] => 12138596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Method for separating carbon dioxide and methane [patent_app_type] => utility [patent_app_number] => 18/607055 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8715 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607055 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607055
Method for separating carbon dioxide and methane Mar 14, 2024 Issued
Array ( [id] => 19472898 [patent_doc_number] => 12102966 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => CO [patent_app_type] => utility [patent_app_number] => 18/607186 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8728 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607186 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607186
CO Mar 14, 2024 Issued
Array ( [id] => 19472899 [patent_doc_number] => 12102967 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Method for separating a gas stream to isolate carbon dioxide [patent_app_type] => utility [patent_app_number] => 18/607198 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8700 [patent_no_of_claims] => 12 [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] => 18607198 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607198
Method for separating a gas stream to isolate carbon dioxide Mar 14, 2024 Issued
Array ( [id] => 19388321 [patent_doc_number] => 20240278191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => MEMBRANE PERMEATION GAS SEPARATION METHOD [patent_app_type] => utility [patent_app_number] => 18/607160 [patent_app_country] => US [patent_app_date] => 2024-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8654 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 18607160 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607160
Membrane permeation gas separation method Mar 14, 2024 Issued
Array ( [id] => 19904277 [patent_doc_number] => 12281273 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-22 [patent_title] => System and method for cleaning of biogas [patent_app_type] => utility [patent_app_number] => 18/424094 [patent_app_country] => US [patent_app_date] => 2024-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2375 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18424094 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/424094
System and method for cleaning of biogas Jan 25, 2024 Issued
Array ( [id] => 19792443 [patent_doc_number] => 12233367 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Filter media, elements, and methods [patent_app_type] => utility [patent_app_number] => 18/502885 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 15040 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18502885 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502885
Filter media, elements, and methods Nov 5, 2023 Issued
Array ( [id] => 18708008 [patent_doc_number] => 20230330593 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => MEMBRANE-BASED HYDROGEN PURIFIERS [patent_app_type] => utility [patent_app_number] => 18/212040 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18212040 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/212040
Membrane-based hydrogen purifiers Jun 19, 2023 Issued
Array ( [id] => 18596340 [patent_doc_number] => 20230271131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-31 [patent_title] => GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS [patent_app_type] => utility [patent_app_number] => 18/143758 [patent_app_country] => US [patent_app_date] => 2023-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7886 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18143758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/143758
GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS May 4, 2023 Abandoned
Array ( [id] => 19792270 [patent_doc_number] => 12233194 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Systems for eliminating and/or reducing aerosol emissions from a heater/cooler [patent_app_type] => utility [patent_app_number] => 18/119648 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 7229 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18119648 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/119648
Systems for eliminating and/or reducing aerosol emissions from a heater/cooler Mar 8, 2023 Issued
Array ( [id] => 18916001 [patent_doc_number] => 11878267 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Mixed matrix membrane (MMM) and method of H [patent_app_type] => utility [patent_app_number] => 18/165235 [patent_app_country] => US [patent_app_date] => 2023-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4351 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18165235 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/165235
Mixed matrix membrane (MMM) and method of H Feb 5, 2023 Issued
Array ( [id] => 18752866 [patent_doc_number] => 20230356148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => SYSTEM AND METHOD FOR SOLVENT REGENERATION [patent_app_type] => utility [patent_app_number] => 18/102544 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1982 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18102544 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/102544
System and method for solvent regeneration Jan 26, 2023 Issued
Array ( [id] => 18418974 [patent_doc_number] => 20230173434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => METHOD FOR SEPARATING A GAS MIXTURE [patent_app_type] => utility [patent_app_number] => 18/154169 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8669 [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] => 18154169 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154169
Method for separating a gas mixture Jan 12, 2023 Issued
Array ( [id] => 19120277 [patent_doc_number] => 11964240 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-23 [patent_title] => Gas filter for separating gaseous compositions [patent_app_type] => utility [patent_app_number] => 18/154157 [patent_app_country] => US [patent_app_date] => 2023-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 8685 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18154157 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/154157
Gas filter for separating gaseous compositions Jan 12, 2023 Issued
Array ( [id] => 19535832 [patent_doc_number] => 12128366 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Monolayer, composite, gas separation material, filter, gas separation device and method for manufacturing composite [patent_app_type] => utility [patent_app_number] => 18/147058 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 43 [patent_no_of_words] => 19680 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18147058 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/147058
Monolayer, composite, gas separation material, filter, gas separation device and method for manufacturing composite Dec 27, 2022 Issued
Array ( [id] => 18311530 [patent_doc_number] => 20230115430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => SYSTEM AND METHOD FOR SEPARATING A GAS MIXTURE [patent_app_type] => utility [patent_app_number] => 18/047287 [patent_app_country] => US [patent_app_date] => 2022-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18047287 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/047287
System and method for separating a gas mixture Oct 17, 2022 Issued
Array ( [id] => 19839296 [patent_doc_number] => 12251656 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Equipment and method for the production of filtering panels [patent_app_type] => utility [patent_app_number] => 18/685248 [patent_app_country] => US [patent_app_date] => 2022-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 2241 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685248
Equipment and method for the production of filtering panels Oct 12, 2022 Issued
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