Search

Hung V. Ngo

Examiner (ID: 2274, Phone: (571)272-1979 , Office: P/2847 )

Most Active Art Unit
2831
Art Unit(s)
2847, 2846, 2835, 3621, 2831, 2841, 2109
Total Applications
2416
Issued Applications
1964
Pending Applications
152
Abandoned Applications
340

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17377992 [patent_doc_number] => 11235988 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Method to remove a plurality of heavy metals from wastewater using activated partially charred rice husks [patent_app_type] => utility [patent_app_number] => 16/732732 [patent_app_country] => US [patent_app_date] => 2020-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8474 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16732732 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/732732
Method to remove a plurality of heavy metals from wastewater using activated partially charred rice husks Jan 1, 2020 Issued
Array ( [id] => 15797835 [patent_doc_number] => 20200122060 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => FIBER FILTERING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/721890 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16721890 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721890
Fiber filtering apparatus Dec 18, 2019 Issued
Array ( [id] => 17104237 [patent_doc_number] => 11124431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => System and method for water treatment including granular activated carbon regeneration [patent_app_type] => utility [patent_app_number] => 16/698360 [patent_app_country] => US [patent_app_date] => 2019-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 7494 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16698360 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/698360
System and method for water treatment including granular activated carbon regeneration Nov 26, 2019 Issued
Array ( [id] => 15526889 [patent_doc_number] => 20200055750 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-20 [patent_title] => SYSTEM AND METHOD OF DEIONIZATION OF WATER [patent_app_type] => utility [patent_app_number] => 16/661493 [patent_app_country] => US [patent_app_date] => 2019-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16661493 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/661493
System for providing treated water Oct 22, 2019 Issued
Array ( [id] => 15454931 [patent_doc_number] => 20200040290 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => POURING SPOUT FOR BOTTLED LIQUIDS [patent_app_type] => utility [patent_app_number] => 16/585065 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3010 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [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] => 16585065 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/585065
Pouring spout for bottled liquids Sep 26, 2019 Issued
Array ( [id] => 17286993 [patent_doc_number] => 11203533 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-21 [patent_title] => Removal and detection of algae, their toxins, and excess nutrients [patent_app_type] => utility [patent_app_number] => 16/580611 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3100 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16580611 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/580611
Removal and detection of algae, their toxins, and excess nutrients Sep 23, 2019 Issued
Array ( [id] => 15880943 [patent_doc_number] => 10646796 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-12 [patent_title] => Devices and methods for quickly removing unwanted water from tanks [patent_app_type] => utility [patent_app_number] => 16/602225 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 11493 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16602225 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/602225
Devices and methods for quickly removing unwanted water from tanks Aug 28, 2019 Issued
Array ( [id] => 15361505 [patent_doc_number] => 20200016517 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => APPARATUS FOR REMOVING IMPURITIES FROM WATER OR WASTEWATER AND A METHOD OF INSTALLING A FLUID DISTRIBUTION SYSTEM THEREIN [patent_app_type] => utility [patent_app_number] => 16/537910 [patent_app_country] => US [patent_app_date] => 2019-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10498 [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] => 16537910 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/537910
APPARATUS FOR REMOVING IMPURITIES FROM WATER OR WASTEWATER AND A METHOD OF INSTALLING A FLUID DISTRIBUTION SYSTEM THEREIN Aug 11, 2019 Abandoned
Array ( [id] => 15898063 [patent_doc_number] => 20200148550 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => RECYCLING METHOD OF AMPHIPHILIC SURFACE-ACTIVE POLLUTANTS IN WATER [patent_app_type] => utility [patent_app_number] => 16/521118 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521118 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521118
Recycling method of amphiphilic surface-active pollutants in water Jul 23, 2019 Issued
Array ( [id] => 17104659 [patent_doc_number] => 11124859 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-21 [patent_title] => Lithium adsorption-desorption apparatus and lithium adsorption-desorption method using the same [patent_app_type] => utility [patent_app_number] => 16/503698 [patent_app_country] => US [patent_app_date] => 2019-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8513 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16503698 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/503698
Lithium adsorption-desorption apparatus and lithium adsorption-desorption method using the same Jul 4, 2019 Issued
Array ( [id] => 14991699 [patent_doc_number] => 20190314807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => Compressed Salt Block For A Liquid Treatment Apparatus [patent_app_type] => utility [patent_app_number] => 16/455986 [patent_app_country] => US [patent_app_date] => 2019-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 280 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16455986 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/455986
Compressed salt block for a liquid treatment apparatus Jun 27, 2019 Issued
Array ( [id] => 15115313 [patent_doc_number] => 20190344289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => ELECTROSTATIC REMOVAL OF COLLOIDAL, SOLUBLE AND INSOLUBLE MATERIALS FROM A FLUID [patent_app_type] => utility [patent_app_number] => 16/438878 [patent_app_country] => US [patent_app_date] => 2019-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5293 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16438878 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/438878
ELECTROSTATIC REMOVAL OF COLLOIDAL, SOLUBLE AND INSOLUBLE MATERIALS FROM A FLUID Jun 11, 2019 Abandoned
Array ( [id] => 14897829 [patent_doc_number] => 20190292680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => ELECTRO-CERAMIC COATING BATH CLEANUP BY A HYBRID ION EXCHANGE PRECIPITATION PROCESS [patent_app_type] => utility [patent_app_number] => 16/438988 [patent_app_country] => US [patent_app_date] => 2019-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10022 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16438988 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/438988
ELECTRO-CERAMIC COATING BATH CLEANUP BY A HYBRID ION EXCHANGE PRECIPITATION PROCESS Jun 11, 2019 Abandoned
Array ( [id] => 16506032 [patent_doc_number] => 20200385288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => CYSTEINE RICH PROTEINS FOR HEAVY METAL DECONTAMINATION OF WASTE WATER FROM OIL AND GAS INDUSTRIES [patent_app_type] => utility [patent_app_number] => 16/434833 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16434833 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434833
CYSTEINE RICH PROTEINS FOR HEAVY METAL DECONTAMINATION OF WASTE WATER FROM OIL AND GAS INDUSTRIES Jun 6, 2019 Abandoned
Array ( [id] => 14834191 [patent_doc_number] => 20190275496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => ACTIVATED CARBON FILTER ARTICLES AND METHODS OF MAKING AND THEIR USE [patent_app_type] => utility [patent_app_number] => 16/423995 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16423995 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/423995
ACTIVATED CARBON FILTER ARTICLES AND METHODS OF MAKING AND THEIR USE May 27, 2019 Abandoned
Array ( [id] => 14834189 [patent_doc_number] => 20190275495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-12 [patent_title] => ACTIVATED CARBON FILTER ARTICLES AND METHODS OF MAKING AND THEIR USE [patent_app_type] => utility [patent_app_number] => 16/423889 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5253 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16423889 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/423889
ACTIVATED CARBON FILTER ARTICLES AND METHODS OF MAKING AND THEIR USE May 27, 2019 Abandoned
Array ( [id] => 15512437 [patent_doc_number] => 10562792 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-18 [patent_title] => Method of removing heavy metals from an aqueous solution using partially charred rice husks [patent_app_type] => utility [patent_app_number] => 16/415166 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8466 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [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] => 16415166 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/415166
Method of removing heavy metals from an aqueous solution using partially charred rice husks May 16, 2019 Issued
Array ( [id] => 17220945 [patent_doc_number] => 11173429 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-16 [patent_title] => Filtration device [patent_app_type] => utility [patent_app_number] => 17/054688 [patent_app_country] => US [patent_app_date] => 2019-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5004 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17054688 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/054688
Filtration device May 12, 2019 Issued
Array ( [id] => 14777569 [patent_doc_number] => 20190263682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => WATER TREATMENT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/407495 [patent_app_country] => US [patent_app_date] => 2019-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2884 [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] => 16407495 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/407495
Water treatment system for removing hexavalent chromium May 8, 2019 Issued
Array ( [id] => 16878202 [patent_doc_number] => 11028337 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-06-08 [patent_title] => Structure including rice hull ash and reinforcing binder for adsorbing contaminants from cooking oil [patent_app_type] => utility [patent_app_number] => 16/401295 [patent_app_country] => US [patent_app_date] => 2019-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4029 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16401295 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/401295
Structure including rice hull ash and reinforcing binder for adsorbing contaminants from cooking oil May 1, 2019 Issued
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