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] => 18642580 [patent_doc_number] => 11766635 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Gas recovering apparatus, semiconductor manufacturing system, and gas recovering method [patent_app_type] => utility [patent_app_number] => 17/350912 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3310 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17350912 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/350912
Gas recovering apparatus, semiconductor manufacturing system, and gas recovering method Jun 16, 2021 Issued
Array ( [id] => 17140621 [patent_doc_number] => 20210308632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => POROUS SUPPORT-ZEOLITE MEMBRANE COMPOSITE, AND METHOD FOR PRODUCING POROUS SUPPORT-ZEOLITE MEMBRANE COMPOSITE [patent_app_type] => utility [patent_app_number] => 17/348914 [patent_app_country] => US [patent_app_date] => 2021-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14689 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17348914 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/348914
POROUS SUPPORT-ZEOLITE MEMBRANE COMPOSITE, AND METHOD FOR PRODUCING POROUS SUPPORT-ZEOLITE MEMBRANE COMPOSITE Jun 15, 2021 Abandoned
Array ( [id] => 19492370 [patent_doc_number] => 12111072 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Liquid-to-air membrane energy exchanger [patent_app_type] => utility [patent_app_number] => 17/345852 [patent_app_country] => US [patent_app_date] => 2021-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 19 [patent_no_of_words] => 26229 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17345852 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/345852
Liquid-to-air membrane energy exchanger Jun 10, 2021 Issued
Array ( [id] => 19195611 [patent_doc_number] => 11992832 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-28 [patent_title] => Safety cabinet [patent_app_type] => utility [patent_app_number] => 17/345750 [patent_app_country] => US [patent_app_date] => 2021-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 3447 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17345750 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/345750
Safety cabinet Jun 10, 2021 Issued
Array ( [id] => 18574579 [patent_doc_number] => 11731086 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Gas separation membrane containing heterogeneous zeolites and preparation method thereof [patent_app_type] => utility [patent_app_number] => 17/326649 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 9802 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17326649 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/326649
Gas separation membrane containing heterogeneous zeolites and preparation method thereof May 20, 2021 Issued
Array ( [id] => 17066214 [patent_doc_number] => 20210268429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => Device for Separating Components of a Gas Mixture [patent_app_type] => utility [patent_app_number] => 17/324314 [patent_app_country] => US [patent_app_date] => 2021-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7635 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17324314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/324314
Device for separating components of a gas mixture May 18, 2021 Issued
Array ( [id] => 17215727 [patent_doc_number] => 20210349065 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => DIRECT CAPTURE SUBSTRATE, DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/317819 [patent_app_country] => US [patent_app_date] => 2021-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 23973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17317819 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/317819
DIRECT CAPTURE SUBSTRATE, DEVICE AND METHOD May 10, 2021 Abandoned
Array ( [id] => 17021225 [patent_doc_number] => 20210245096 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => FLUE GAS LOW-TEMPERATURE ADSORPTION DENITRATION SYSTEM AND PROCESS [patent_app_type] => utility [patent_app_number] => 17/239662 [patent_app_country] => US [patent_app_date] => 2021-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3577 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17239662 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/239662
Flue gas low-temperature adsorption denitration system and process Apr 24, 2021 Issued
Array ( [id] => 18505377 [patent_doc_number] => 11703184 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Gas and liquid separation passage arrangement [patent_app_type] => utility [patent_app_number] => 17/238318 [patent_app_country] => US [patent_app_date] => 2021-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1454 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17238318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/238318
Gas and liquid separation passage arrangement Apr 22, 2021 Issued
Array ( [id] => 17005809 [patent_doc_number] => 20210236970 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => FILTER MEDIA INCLUDING FLAME RETARDANT FIBERS [patent_app_type] => utility [patent_app_number] => 17/236084 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 27606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17236084 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/236084
Filter media including flame retardant fibers Apr 20, 2021 Issued
Array ( [id] => 17943475 [patent_doc_number] => 20220330492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => CARBON DIOXIDE AND EXHAUST GAS CAPTURE DEVICE [patent_app_type] => utility [patent_app_number] => 17/230606 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3323 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 392 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17230606 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230606
CARBON DIOXIDE AND EXHAUST GAS CAPTURE DEVICE Apr 13, 2021 Abandoned
Array ( [id] => 16990624 [patent_doc_number] => 20210229044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => SEPARATION OF GASES VIA CARBONIZED VINYLIDENE CHLORIDE COPOLYMER GAS SEPARATION MEMBRANES AND PROCESSES THEREFORE [patent_app_type] => utility [patent_app_number] => 17/230464 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5313 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17230464 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230464
SEPARATION OF GASES VIA CARBONIZED VINYLIDENE CHLORIDE COPOLYMER GAS SEPARATION MEMBRANES AND PROCESSES THEREFORE Apr 13, 2021 Abandoned
Array ( [id] => 19373184 [patent_doc_number] => 12064724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-20 [patent_title] => Two-stage method for removing CO [patent_app_type] => utility [patent_app_number] => 17/224188 [patent_app_country] => US [patent_app_date] => 2021-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5055 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17224188 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/224188
Two-stage method for removing CO Apr 6, 2021 Issued
Array ( [id] => 16976542 [patent_doc_number] => 20210220779 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => ZEOLITE SEPARATION MEMBRANE AND PRODUCTION METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/221115 [patent_app_country] => US [patent_app_date] => 2021-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17221115 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/221115
Zeolite separation membrane and production method therefor Apr 1, 2021 Issued
Array ( [id] => 17124840 [patent_doc_number] => 20210299608 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => POROUS MEDIUM WITH ADJUSTABLE FLUID PERMEABILITY AND ASSOCIATED SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/217726 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [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] => 17217726 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217726
Porous medium with adjustable fluid permeability and associated systems and methods Mar 29, 2021 Issued
Array ( [id] => 16961898 [patent_doc_number] => 20210213397 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => MONOLAYER, COMPOSITE, GAS SEPARATION MATERIAL, FILTER, GAS SEPARATION DEVICE AND METHOD FOR MANUFACTURING COMPOSITE [patent_app_type] => utility [patent_app_number] => 17/217131 [patent_app_country] => US [patent_app_date] => 2021-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19664 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17217131 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217131
MONOLAYER, COMPOSITE, GAS SEPARATION MATERIAL, FILTER, GAS SEPARATION DEVICE AND METHOD FOR MANUFACTURING COMPOSITE Mar 29, 2021 Abandoned
Array ( [id] => 18870135 [patent_doc_number] => 11857915 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Gas separation method and gas separator [patent_app_type] => utility [patent_app_number] => 17/203987 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 10118 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17203987 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/203987
Gas separation method and gas separator Mar 16, 2021 Issued
Array ( [id] => 16931231 [patent_doc_number] => 20210197120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => COMPRESSION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/199502 [patent_app_country] => US [patent_app_date] => 2021-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13709 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17199502 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/199502
COMPRESSION APPARATUS Mar 11, 2021 Abandoned
Array ( [id] => 19854744 [patent_doc_number] => 12257557 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Bonded body, separation membrane module equipped with same, and method for producing alcohol [patent_app_type] => utility [patent_app_number] => 17/165025 [patent_app_country] => US [patent_app_date] => 2021-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 30153 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17165025 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/165025
Bonded body, separation membrane module equipped with same, and method for producing alcohol Feb 1, 2021 Issued
Array ( [id] => 16884133 [patent_doc_number] => 20210170328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => Hollow Fiber Membrane For Use in an Anesthetic Circuit [patent_app_type] => utility [patent_app_number] => 17/154878 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9396 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17154878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/154878
Hollow Fiber Membrane For Use in an Anesthetic Circuit Jan 20, 2021 Abandoned
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