Search

Chau N. Nguyen

Examiner (ID: 273, Phone: (571)272-1980 , Office: P/2847 )

Most Active Art Unit
2831
Art Unit(s)
2831, 2847, 2950, 2841, 2835, 2109, 3621
Total Applications
2968
Issued Applications
2037
Pending Applications
202
Abandoned Applications
754

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17355879 [patent_doc_number] => 20220016675 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-20 [patent_title] => MULTIPLE STAGE SORTING [patent_app_type] => utility [patent_app_number] => 17/491415 [patent_app_country] => US [patent_app_date] => 2021-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17491415 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/491415
Multiple stage sorting Sep 29, 2021 Issued
Array ( [id] => 20578255 [patent_doc_number] => 12570497 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Guiding chain carrier system [patent_app_type] => utility [patent_app_number] => 18/043895 [patent_app_country] => US [patent_app_date] => 2021-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18043895 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/043895
Guiding chain carrier system Sep 12, 2021 Issued
Array ( [id] => 20002364 [patent_doc_number] => 20250140586 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => SYSTEM AND PROCESS FOR SORTING DIE FROM WAFER USING ANGLED WAFER TABLE AND ANGLED TURRET [patent_app_type] => utility [patent_app_number] => 18/690121 [patent_app_country] => US [patent_app_date] => 2021-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18690121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690121
System and process for sorting die from wafer using angled wafer table and angled turret Sep 9, 2021 Issued
Array ( [id] => 17427363 [patent_doc_number] => 20220055071 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-24 [patent_title] => METHODS AND ARRANGEMENTS FOR SORTING ITEMS, USEFUL IN RECYCLING [patent_app_type] => utility [patent_app_number] => 17/470674 [patent_app_country] => US [patent_app_date] => 2021-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17470674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/470674
Methods and arrangements for sorting items, useful in recycling Sep 8, 2021 Issued
Array ( [id] => 18620662 [patent_doc_number] => 11753690 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-12 [patent_title] => Hide sorting systems and methods [patent_app_type] => utility [patent_app_number] => 17/468579 [patent_app_country] => US [patent_app_date] => 2021-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 15251 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17468579 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/468579
Hide sorting systems and methods Sep 6, 2021 Issued
Array ( [id] => 18916639 [patent_doc_number] => 11878908 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-23 [patent_title] => Method for preparation and separation of atomic layer thickness platelets from graphite or other layered materials [patent_app_type] => utility [patent_app_number] => 17/461324 [patent_app_country] => US [patent_app_date] => 2021-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6117 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17461324 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/461324
Method for preparation and separation of atomic layer thickness platelets from graphite or other layered materials Aug 29, 2021 Issued
Array ( [id] => 19210053 [patent_doc_number] => 11999093 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Apparatus and method for treating plastic preforms with inspection device [patent_app_type] => utility [patent_app_number] => 17/402965 [patent_app_country] => US [patent_app_date] => 2021-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2764 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17402965 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/402965
Apparatus and method for treating plastic preforms with inspection device Aug 15, 2021 Issued
Array ( [id] => 18673658 [patent_doc_number] => 20230311164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => SCREEN ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/041808 [patent_app_country] => US [patent_app_date] => 2021-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3587 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18041808 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/041808
Screen arrangement Aug 14, 2021 Issued
Array ( [id] => 19257352 [patent_doc_number] => 12017383 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Method and system for separating waste polyurethane foams [patent_app_type] => utility [patent_app_number] => 18/020840 [patent_app_country] => US [patent_app_date] => 2021-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3745 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 18020840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020840
Method and system for separating waste polyurethane foams Aug 12, 2021 Issued
Array ( [id] => 17227617 [patent_doc_number] => 20210354173 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => INJECTION MOLDED SCREENING APPARATUSES AND METHODS [patent_app_type] => utility [patent_app_number] => 17/389070 [patent_app_country] => US [patent_app_date] => 2021-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 55407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -34 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17389070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/389070
Injection molded screening apparatuses and methods Jul 28, 2021 Issued
Array ( [id] => 18931452 [patent_doc_number] => 11883849 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Apparatuses, methods, and systems for vibratory screening [patent_app_type] => utility [patent_app_number] => 17/387644 [patent_app_country] => US [patent_app_date] => 2021-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 21 [patent_no_of_words] => 9127 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17387644 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/387644
Apparatuses, methods, and systems for vibratory screening Jul 27, 2021 Issued
Array ( [id] => 17227616 [patent_doc_number] => 20210354172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-18 [patent_title] => APPARATUSES, METHODS, AND SYSTEMS FOR VIBRATORY SCREENING [patent_app_type] => utility [patent_app_number] => 17/386441 [patent_app_country] => US [patent_app_date] => 2021-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17386441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/386441
Apparatuses, methods, and systems for vibratory screening Jul 26, 2021 Issued
Array ( [id] => 17213577 [patent_doc_number] => 20210346913 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => CONTINUOUS SIEVING APPARATUSES FOR PUPAE SEPARATION [patent_app_type] => utility [patent_app_number] => 17/383168 [patent_app_country] => US [patent_app_date] => 2021-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17383168 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/383168
Continuous sieving apparatuses for pupae separation Jul 21, 2021 Issued
Array ( [id] => 17489631 [patent_doc_number] => 11278913 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-03-22 [patent_title] => Systems for separating copper from shredder residue [patent_app_type] => utility [patent_app_number] => 17/374495 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4377 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17374495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/374495
Systems for separating copper from shredder residue Jul 12, 2021 Issued
Array ( [id] => 18700447 [patent_doc_number] => 11786938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Snap in screen and method [patent_app_type] => utility [patent_app_number] => 17/366154 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7294 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17366154 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/366154
Snap in screen and method Jul 1, 2021 Issued
Array ( [id] => 18574659 [patent_doc_number] => 11731167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Apparatuses, methods, and systems for vibratory screening [patent_app_type] => utility [patent_app_number] => 17/352885 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 43 [patent_no_of_words] => 15297 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17352885 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/352885
Apparatuses, methods, and systems for vibratory screening Jun 20, 2021 Issued
Array ( [id] => 18700444 [patent_doc_number] => 11786935 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Wave-shaped polyurethane high-frequency linear vibrating screen mesh [patent_app_type] => utility [patent_app_number] => 17/600236 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 2195 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17600236 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/600236
Wave-shaped polyurethane high-frequency linear vibrating screen mesh Jun 16, 2021 Issued
Array ( [id] => 17242447 [patent_doc_number] => 20210362190 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => Horticulture Classifier Apparatus [patent_app_type] => utility [patent_app_number] => 17/326174 [patent_app_country] => US [patent_app_date] => 2021-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17326174 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/326174
Horticulture Classifier Apparatus May 19, 2021 Abandoned
Array ( [id] => 18116660 [patent_doc_number] => 11548033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Sieving device [patent_app_type] => utility [patent_app_number] => 17/324682 [patent_app_country] => US [patent_app_date] => 2021-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 5095 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17324682 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/324682
Sieving device May 18, 2021 Issued
Array ( [id] => 18979208 [patent_doc_number] => 11904363 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => System and method for automatic sorting of textile items [patent_app_type] => utility [patent_app_number] => 18/020003 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5685 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18020003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/020003
System and method for automatic sorting of textile items May 12, 2021 Issued
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