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] => 17155221 [patent_doc_number] => 20210316272 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => METHOD FOR MAKING A WATER TREATMENT ADSORBENT FILTER [patent_app_type] => utility [patent_app_number] => 17/357299 [patent_app_country] => US [patent_app_date] => 2021-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10463 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17357299 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/357299
Method for making a water treatment adsorbent filter Jun 23, 2021 Issued
Array ( [id] => 17377317 [patent_doc_number] => 11235307 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Filtration system and method for treating water containing nitrogen and phosphorous compounds [patent_app_type] => utility [patent_app_number] => 17/302895 [patent_app_country] => US [patent_app_date] => 2021-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 20026 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17302895 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302895
Filtration system and method for treating water containing nitrogen and phosphorous compounds May 13, 2021 Issued
Array ( [id] => 17035514 [patent_doc_number] => 20210252472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => METHOD FOR REMOVING POLYCYCLIC AROMATIC HYDROCARBONS FROM WATER USING BALL MILLED AND SONICATED OIL FLY ASH POWDER [patent_app_type] => utility [patent_app_number] => 17/232847 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 17232847 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/232847
Method for removing polycyclic aromatic hydrocarbons from water using ball milled and sonicated oil fly ash powder Apr 15, 2021 Issued
Array ( [id] => 17420368 [patent_doc_number] => 11253799 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Enclosed media fluid filtration device [patent_app_type] => utility [patent_app_number] => 17/233057 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4525 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17233057 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/233057
Enclosed media fluid filtration device Apr 15, 2021 Issued
Array ( [id] => 17110544 [patent_doc_number] => 20210291141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => METHOD OF REMOVING BORATE IONS FROM AN AQUEOUS SOLUTION [patent_app_type] => utility [patent_app_number] => 17/217127 [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] => 8934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17217127 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/217127
Method of removing boric acid from an aqueous solution Mar 29, 2021 Issued
Array ( [id] => 16869845 [patent_doc_number] => 20210163312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => Water Treatment Device [patent_app_type] => utility [patent_app_number] => 17/161708 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17161708 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/161708
Water treatment device Jan 28, 2021 Issued
Array ( [id] => 16749118 [patent_doc_number] => 20210101127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => METHOD FOR MAKING ADSORBENT OIL FLY ASH POWDER [patent_app_type] => utility [patent_app_number] => 17/108415 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10427 [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] => 17108415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/108415
Method for making absorbent oil fly ash powder Nov 30, 2020 Issued
Array ( [id] => 16854757 [patent_doc_number] => 20210155502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => PORTABLE WATER FILTRATION APPARATUS [patent_app_type] => utility [patent_app_number] => 17/100391 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4024 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100391 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100391
Portable water filtration apparatus Nov 19, 2020 Issued
Array ( [id] => 17236518 [patent_doc_number] => 11180389 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-23 [patent_title] => Floating water jet for spraying chlorinated water at a water surface of a swimming pool [patent_app_type] => utility [patent_app_number] => 17/066446 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1211 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17066446 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/066446
Floating water jet for spraying chlorinated water at a water surface of a swimming pool Oct 7, 2020 Issued
Array ( [id] => 16541521 [patent_doc_number] => 20200407934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => BUOYANT CONTAINMENT AND/OR FILTRATION [patent_app_type] => utility [patent_app_number] => 17/017492 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17353 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17017492 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/017492
Buoyant containment and/or filtration Sep 9, 2020 Issued
Array ( [id] => 16512760 [patent_doc_number] => 20200392018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => RICE HUSK FILTER MEDIA, AND METHODS [patent_app_type] => utility [patent_app_number] => 16/998307 [patent_app_country] => US [patent_app_date] => 2020-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16998307 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/998307
RICE HUSK FILTER MEDIA, AND METHODS Aug 19, 2020 Abandoned
Array ( [id] => 16892365 [patent_doc_number] => 11033893 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-15 [patent_title] => Multi-column continuous resin regeneration system [patent_app_type] => utility [patent_app_number] => 16/924369 [patent_app_country] => US [patent_app_date] => 2020-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3764 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 621 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16924369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/924369
Multi-column continuous resin regeneration system Jul 8, 2020 Issued
Array ( [id] => 17149414 [patent_doc_number] => 11142475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-12 [patent_title] => Purification filter element and water purification cup [patent_app_type] => utility [patent_app_number] => 16/875920 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5079 [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] => 16875920 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/875920
Purification filter element and water purification cup May 14, 2020 Issued
Array ( [id] => 17497498 [patent_doc_number] => 11286190 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-03-29 [patent_title] => Method for treatment of a wastewater stream containing dissolved compounds or ions [patent_app_type] => utility [patent_app_number] => 16/850761 [patent_app_country] => US [patent_app_date] => 2020-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4969 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [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] => 16850761 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/850761
Method for treatment of a wastewater stream containing dissolved compounds or ions Apr 15, 2020 Issued
Array ( [id] => 16190619 [patent_doc_number] => 20200231468 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => CONDENSATION CATALYST SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 16/844848 [patent_app_country] => US [patent_app_date] => 2020-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3521 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16844848 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/844848
Condensation catalyst systems and methods Apr 8, 2020 Issued
Array ( [id] => 17328857 [patent_doc_number] => 11219298 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-11 [patent_title] => Squeezable hybrid water bottle with integrated filter [patent_app_type] => utility [patent_app_number] => 16/842439 [patent_app_country] => US [patent_app_date] => 2020-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 9155 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16842439 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/842439
Squeezable hybrid water bottle with integrated filter Apr 6, 2020 Issued
Array ( [id] => 17222120 [patent_doc_number] => 11174611 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-16 [patent_title] => Adsorbent boom for the containment of contaminant spills [patent_app_type] => utility [patent_app_number] => 16/810209 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4864 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16810209 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/810209
Adsorbent boom for the containment of contaminant spills Mar 4, 2020 Issued
Array ( [id] => 17435793 [patent_doc_number] => 11261104 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-01 [patent_title] => Oil-absorbent skimmers [patent_app_type] => utility [patent_app_number] => 16/805165 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2375 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16805165 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805165
Oil-absorbent skimmers Feb 27, 2020 Issued
Array ( [id] => 16969612 [patent_doc_number] => 11065563 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-20 [patent_title] => Up-flow water filtration system [patent_app_type] => utility [patent_app_number] => 16/777992 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 5688 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777992 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777992
Up-flow water filtration system Jan 30, 2020 Issued
Array ( [id] => 16861964 [patent_doc_number] => 11020688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-06-01 [patent_title] => Enclosed media fluid filtration device [patent_app_type] => utility [patent_app_number] => 16/749535 [patent_app_country] => US [patent_app_date] => 2020-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4499 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16749535 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/749535
Enclosed media fluid filtration device Jan 21, 2020 Issued
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