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] => 17626170 [patent_doc_number] => 20220161185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-26 [patent_title] => SEPARATION MEMBRANE [patent_app_type] => utility [patent_app_number] => 17/598437 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8092 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17598437 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/598437
Separation membrane Mar 11, 2020 Issued
Array ( [id] => 17384373 [patent_doc_number] => 20220032225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-03 [patent_title] => PHOTOCATALYTIC FILTER MODULE AND AIR PURIFIER INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 16/642888 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16642888 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/642888
PHOTOCATALYTIC FILTER MODULE AND AIR PURIFIER INCLUDING THE SAME Feb 24, 2020 Abandoned
Array ( [id] => 16010053 [patent_doc_number] => 20200179869 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS [patent_app_type] => utility [patent_app_number] => 16/793731 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7870 [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] => 16793731 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/793731
GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS Feb 17, 2020 Abandoned
Array ( [id] => 16511891 [patent_doc_number] => 20200391148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER [patent_app_type] => utility [patent_app_number] => 16/792848 [patent_app_country] => US [patent_app_date] => 2020-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19848 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16792848 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792848
FILTER MEDIA INCLUDING A WAVED FILTRATION LAYER Feb 16, 2020 Abandoned
Array ( [id] => 19166291 [patent_doc_number] => 11982185 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-14 [patent_title] => Barrier assembly [patent_app_type] => utility [patent_app_number] => 17/430783 [patent_app_country] => US [patent_app_date] => 2020-02-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 7190 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430783 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430783
Barrier assembly Feb 12, 2020 Issued
Array ( [id] => 16237149 [patent_doc_number] => 20200254383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => SYSTEM AND METHOD FOR SEPARATING A GAS MIXTURE [patent_app_type] => utility [patent_app_number] => 16/788912 [patent_app_country] => US [patent_app_date] => 2020-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12729 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16788912 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/788912
System and method for separating a gas mixture Feb 11, 2020 Issued
Array ( [id] => 16237148 [patent_doc_number] => 20200254382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-13 [patent_title] => Air separation modules, nitrogen generation systems, and methods of making air separation modules [patent_app_type] => utility [patent_app_number] => 16/787764 [patent_app_country] => US [patent_app_date] => 2020-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16787764 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/787764
Air separation modules, nitrogen generation systems, and methods of making air separation modules Feb 10, 2020 Issued
Array ( [id] => 19257148 [patent_doc_number] => 12017178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Absorption solvent regeneration device, CO2 recovery device, and method for modifying absorption solvent regeneration device [patent_app_type] => utility [patent_app_number] => 17/439221 [patent_app_country] => US [patent_app_date] => 2020-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5747 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [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] => 17439221 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/439221
Absorption solvent regeneration device, CO2 recovery device, and method for modifying absorption solvent regeneration device Feb 9, 2020 Issued
Array ( [id] => 16053421 [patent_doc_number] => 20200188565 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => System for Extended Storage of Red Blood Cells and Methods of Use [patent_app_type] => utility [patent_app_number] => 16/785049 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -37 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16785049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785049
System for extended storage of red blood cells and methods of use Feb 6, 2020 Issued
Array ( [id] => 17459160 [patent_doc_number] => 20220072464 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => FILTER WITH COMMUNICATOR [patent_app_type] => utility [patent_app_number] => 17/421310 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421310 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421310
FILTER WITH COMMUNICATOR Feb 5, 2020 Abandoned
Array ( [id] => 17577420 [patent_doc_number] => 20220134275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => AIR PURIFYING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/427506 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17427506 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/427506
Air purifying system Jan 23, 2020 Issued
Array ( [id] => 16375410 [patent_doc_number] => 20200324252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-15 [patent_title] => SUPPORTED WATER VAPOR TRANSPORT MEMBRANE COMPRISING POLYETHYLENE OXIDE COPOLYMER [patent_app_type] => utility [patent_app_number] => 16/744926 [patent_app_country] => US [patent_app_date] => 2020-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20132 [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] => 16744926 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/744926
SUPPORTED WATER VAPOR TRANSPORT MEMBRANE COMPRISING POLYETHYLENE OXIDE COPOLYMER Jan 15, 2020 Abandoned
Array ( [id] => 19674853 [patent_doc_number] => 12186692 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-07 [patent_title] => Filter element and method for servicing a filter system [patent_app_type] => utility [patent_app_number] => 17/421314 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 56 [patent_no_of_words] => 13325 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421314
Filter element and method for servicing a filter system Jan 7, 2020 Issued
Array ( [id] => 16109287 [patent_doc_number] => 20200206666 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => FILTER MEDIA INCLUDING ADHESIVES AND/OR OLEOPHOBIC PROPERTIES [patent_app_type] => utility [patent_app_number] => 16/729648 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 50298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16729648 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/729648
Filter media including adhesives and/or oleophobic properties Dec 29, 2019 Issued
Array ( [id] => 16112139 [patent_doc_number] => 20200208092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => FILTER FOR MAMMALIAN CELL CULTURE PERFUSION AND CLARIFICATION WITH HYDROPHOBIC HOLLOW FIBER [patent_app_type] => utility [patent_app_number] => 16/730516 [patent_app_country] => US [patent_app_date] => 2019-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -40 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16730516 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/730516
Filter for mammalian cell culture perfusion and clarification with hydrophobic hollow fiber Dec 29, 2019 Issued
Array ( [id] => 18185819 [patent_doc_number] => 11576370 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Chamber for transplantation, method for manufacturing chamber for transplantation, device for transplantation, and method for fusion welding porous membranes [patent_app_type] => utility [patent_app_number] => 16/728529 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 11779 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [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] => 16728529 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/728529
Chamber for transplantation, method for manufacturing chamber for transplantation, device for transplantation, and method for fusion welding porous membranes Dec 26, 2019 Issued
Array ( [id] => 17474535 [patent_doc_number] => 20220082039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => DETECTION DEVICE, DETECTION METHOD, AND EXHAUST PURIFICATION DEVICE WITH DETECTION DEVICE [patent_app_type] => utility [patent_app_number] => 17/419630 [patent_app_country] => US [patent_app_date] => 2019-12-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4986 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17419630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419630
Detection device, detection method, and exhaust purification device with detection device Dec 24, 2019 Issued
Array ( [id] => 16087695 [patent_doc_number] => 20200197834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => COMPOSITE HOLLOW FIBER MEMBRANES FOR JET FUEL DE-OXYGENATION [patent_app_type] => utility [patent_app_number] => 16/724173 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9513 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724173 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724173
COMPOSITE HOLLOW FIBER MEMBRANES FOR JET FUEL DE-OXYGENATION Dec 19, 2019 Abandoned
Array ( [id] => 16087697 [patent_doc_number] => 20200197835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => COMPOSITE HOLLOW FIBER MEMBRANES FOR JET FUEL DE-OXYGENATION [patent_app_type] => utility [patent_app_number] => 16/724174 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9512 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16724174 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/724174
COMPOSITE HOLLOW FIBER MEMBRANES FOR JET FUEL DE-OXYGENATION Dec 19, 2019 Abandoned
Array ( [id] => 19700403 [patent_doc_number] => 12194405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Method and device for reducing the increase in temperature at the surface of the terrestrial globe, vehicle and station for implementing said method [patent_app_type] => utility [patent_app_number] => 17/416042 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 11379 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 599 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416042
Method and device for reducing the increase in temperature at the surface of the terrestrial globe, vehicle and station for implementing said method Dec 18, 2019 Issued
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