Search

Hayden R. Brewster

Examiner (ID: 13533, Phone: (571)270-1065 , Office: P/1779 )

Most Active Art Unit
1779
Art Unit(s)
RD00, 1779, 1700
Total Applications
585
Issued Applications
308
Pending Applications
96
Abandoned Applications
213

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18612167 [patent_doc_number] => 20230278899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => METHOD OF WATER TREATMENT AND TREATED WATER PRODUCED THEREBY [patent_app_type] => utility [patent_app_number] => 18/007229 [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] => 5675 [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] => 18007229 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007229
METHOD OF WATER TREATMENT AND TREATED WATER PRODUCED THEREBY Jul 28, 2021 Pending
Array ( [id] => 19998264 [patent_doc_number] => 20250136486 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => DEVICE AND METHOD FOR REALIZING ADVANCED NITROGEN REMOVAL OF DOMESTIC SEWAGE VIA TWO STAGE PARTICAL NITRIFICATION-ANAMMOX COUPLED WITH SULFER ANTOTROPHIC DENITRIFICATION [patent_app_type] => utility [patent_app_number] => 17/631420 [patent_app_country] => US [patent_app_date] => 2021-07-21 [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] => -1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17631420 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/631420
DEVICE AND METHOD FOR REALIZING ADVANCED NITROGEN REMOVAL OF DOMESTIC SEWAGE VIA TWO STAGE PARTICAL NITRIFICATION-ANAMMOX COUPLED WITH SULFER ANTOTROPHIC DENITRIFICATION Jul 20, 2021 Pending
Array ( [id] => 18628022 [patent_doc_number] => 20230286842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => COMPOSITIONS AND METHODS FOR TREATING AQUARIUM WATER [patent_app_type] => utility [patent_app_number] => 18/017044 [patent_app_country] => US [patent_app_date] => 2021-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 18017044 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/017044
COMPOSITIONS AND METHODS FOR TREATING AQUARIUM WATER Jul 19, 2021 Pending
Array ( [id] => 17533497 [patent_doc_number] => 20220112106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-14 [patent_title] => Method for Processing Wastewater Having Organics Even Together with High-Concentration Ammonia-Nitrogen and Apparatus Thereof [patent_app_type] => utility [patent_app_number] => 17/374042 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17374042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/374042
Method for processing wastewater having organic high-concentration ammonia-nitrogen Jul 12, 2021 Issued
Array ( [id] => 18582727 [patent_doc_number] => 20230264982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => PIEZOELECTRIC AND PIEZOCATALYTIC COMPOSITE MATERIAL, AND METHODS OF USING AND FORMING IT [patent_app_type] => utility [patent_app_number] => 18/005577 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7842 [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] => 18005577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005577
PIEZOELECTRIC AND PIEZOCATALYTIC COMPOSITE MATERIAL, AND METHODS OF USING AND FORMING IT Jul 12, 2021 Pending
Array ( [id] => 18582727 [patent_doc_number] => 20230264982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => PIEZOELECTRIC AND PIEZOCATALYTIC COMPOSITE MATERIAL, AND METHODS OF USING AND FORMING IT [patent_app_type] => utility [patent_app_number] => 18/005577 [patent_app_country] => US [patent_app_date] => 2021-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7842 [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] => 18005577 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/005577
PIEZOELECTRIC AND PIEZOCATALYTIC COMPOSITE MATERIAL, AND METHODS OF USING AND FORMING IT Jul 12, 2021 Pending
Array ( [id] => 18537323 [patent_doc_number] => 20230242415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => FILTERING CONTAINER FOR LIQUIDS [patent_app_type] => utility [patent_app_number] => 18/004718 [patent_app_country] => US [patent_app_date] => 2021-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5242 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18004718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/004718
FILTERING CONTAINER FOR LIQUIDS Jul 11, 2021 Pending
Array ( [id] => 18123643 [patent_doc_number] => 20230009253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => Bottle with Filtering Arrangement [patent_app_type] => utility [patent_app_number] => 17/369082 [patent_app_country] => US [patent_app_date] => 2021-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3469 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17369082 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/369082
Bottle with filtering arrangement Jul 6, 2021 Issued
Array ( [id] => 18673530 [patent_doc_number] => 20230311030 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => ROLLER FILTRATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/013498 [patent_app_country] => US [patent_app_date] => 2021-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18013498 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013498
ROLLER FILTRATION APPARATUS Jul 1, 2021 Abandoned
Array ( [id] => 19134758 [patent_doc_number] => 11969673 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-04-30 [patent_title] => Mechanical separation devices [patent_app_type] => utility [patent_app_number] => 17/364873 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 11028 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17364873 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/364873
Mechanical separation devices Jun 29, 2021 Issued
Array ( [id] => 18537328 [patent_doc_number] => 20230242420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => SYSTEM AND METHOD FOR WATER TREATMENT WITH VENTURI PLASMA DISCHARGE [patent_app_type] => utility [patent_app_number] => 18/013786 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [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] => 18013786 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/013786
SYSTEM AND METHOD FOR WATER TREATMENT WITH VENTURI PLASMA DISCHARGE Jun 28, 2021 Pending
Array ( [id] => 19256957 [patent_doc_number] => 12016986 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-25 [patent_title] => Blood purification apparatus using peristaltic pumps to circulate a liquid for blood treatment [patent_app_type] => utility [patent_app_number] => 17/355085 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 8224 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17355085 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/355085
Blood purification apparatus using peristaltic pumps to circulate a liquid for blood treatment Jun 21, 2021 Issued
Array ( [id] => 18738346 [patent_doc_number] => 20230347262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => A FRACTION COLLECTOR AND A METHOD FOR OPERATING THE SAME [patent_app_type] => utility [patent_app_number] => 17/997874 [patent_app_country] => US [patent_app_date] => 2021-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6458 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17997874 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/997874
A FRACTION COLLECTOR AND A METHOD FOR OPERATING THE SAME Jun 20, 2021 Pending
Array ( [id] => 18510387 [patent_doc_number] => 20230226495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-20 [patent_title] => DIFFUSION DEVICE [patent_app_type] => utility [patent_app_number] => 18/001967 [patent_app_country] => US [patent_app_date] => 2021-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18001967 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/001967
DIFFUSION DEVICE Jun 16, 2021 Pending
Array ( [id] => 18566037 [patent_doc_number] => 20230256365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Retainer For Filters, Manufacturing Method Therefor, And Leaf Disc Filter Element [patent_app_type] => utility [patent_app_number] => 18/003090 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18003090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/003090
Retainer For Filters, Manufacturing Method Therefor, And Leaf Disc Filter Element Jun 8, 2021 Pending
Array ( [id] => 18566037 [patent_doc_number] => 20230256365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Retainer For Filters, Manufacturing Method Therefor, And Leaf Disc Filter Element [patent_app_type] => utility [patent_app_number] => 18/003090 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12752 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18003090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/003090
Retainer For Filters, Manufacturing Method Therefor, And Leaf Disc Filter Element Jun 8, 2021 Pending
Array ( [id] => 17733667 [patent_doc_number] => 20220219126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => ZEOLITE MEMBRANE AND PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 17/326365 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17326365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/326365
Zeolite membrane and preparation method thereof May 20, 2021 Issued
Array ( [id] => 18019197 [patent_doc_number] => 20220370696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => SORBENT CARTRIDGE DESIGNS [patent_app_type] => utility [patent_app_number] => 17/323081 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6633 [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] => 17323081 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323081
Sorbent cartridge designs May 17, 2021 Issued
Array ( [id] => 19274339 [patent_doc_number] => 12024449 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-02 [patent_title] => Sewage treatment process with magnetic sludge carbon carrier cooperated with standard upgrading and capacity improvement [patent_app_type] => utility [patent_app_number] => 17/302840 [patent_app_country] => US [patent_app_date] => 2021-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 4448 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17302840 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302840
Sewage treatment process with magnetic sludge carbon carrier cooperated with standard upgrading and capacity improvement May 12, 2021 Issued
Array ( [id] => 19035488 [patent_doc_number] => 20240085303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => METHOD FOR MEASURING PORE SIZE AND PORE SIZE DISTRIBUTION OF FILTER MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/274523 [patent_app_country] => US [patent_app_date] => 2021-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274523 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274523
METHOD FOR MEASURING PORE SIZE AND PORE SIZE DISTRIBUTION OF FILTER MEMBRANE Apr 26, 2021 Pending
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