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] => 20294897 [patent_doc_number] => 20250320140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => USE OF MEDIUM CHAIN PERACIDS FOR BIOFILM INHIBITION IN INDUSTRIAL RECIRCULATING WATER SYSTEMS [patent_app_type] => utility [patent_app_number] => 19/249727 [patent_app_country] => US [patent_app_date] => 2025-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5518 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19249727 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/249727
USE OF MEDIUM CHAIN PERACIDS FOR BIOFILM INHIBITION IN INDUSTRIAL RECIRCULATING WATER SYSTEMS Jun 24, 2025 Pending
Array ( [id] => 19846563 [patent_doc_number] => 20250091914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => SYSTEM FOR TREATING BRINE AND CAPTURING CO2 EMISSIONS [patent_app_type] => utility [patent_app_number] => 18/961927 [patent_app_country] => US [patent_app_date] => 2024-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7520 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18961927 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/961927
SYSTEM FOR TREATING BRINE AND CAPTURING CO2 EMISSIONS Nov 26, 2024 Pending
Array ( [id] => 20271867 [patent_doc_number] => 12441636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Passive gravity filter cell to reduce velocity and methods of use thereof [patent_app_type] => utility [patent_app_number] => 18/738943 [patent_app_country] => US [patent_app_date] => 2024-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5610 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18738943 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/738943
Passive gravity filter cell to reduce velocity and methods of use thereof Jun 9, 2024 Issued
Array ( [id] => 19389220 [patent_doc_number] => 20240279090 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Water Flow Triggering of Chlorination Treatment [patent_app_type] => utility [patent_app_number] => 18/652413 [patent_app_country] => US [patent_app_date] => 2024-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2602 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18652413 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/652413
Water Flow Triggering of Chlorination Treatment Apr 30, 2024 Pending
Array ( [id] => 19085983 [patent_doc_number] => 20240112784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => MONITORING SYSTEM FOR A DIALYSIS MACHINE [patent_app_type] => utility [patent_app_number] => 18/532799 [patent_app_country] => US [patent_app_date] => 2023-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4235 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18532799 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/532799
MONITORING SYSTEM FOR A DIALYSIS MACHINE Dec 6, 2023 Pending
Array ( [id] => 18986787 [patent_doc_number] => 20240058756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => System And Method Of Separating Blood [patent_app_type] => utility [patent_app_number] => 18/386623 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18386623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386623
System And Method Of Separating Blood Nov 2, 2023 Pending
Array ( [id] => 18986787 [patent_doc_number] => 20240058756 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => System And Method Of Separating Blood [patent_app_type] => utility [patent_app_number] => 18/386623 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18386623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386623
System And Method Of Separating Blood Nov 2, 2023 Pending
Array ( [id] => 19203379 [patent_doc_number] => 20240175278 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => Hot Tub Filterwell Dispersant Technology [patent_app_type] => utility [patent_app_number] => 18/460181 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9840 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460181 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460181
Hot Tub Filterwell Dispersant Technology Aug 31, 2023 Pending
Array ( [id] => 19203381 [patent_doc_number] => 20240175280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => Hot Tub Filterwell Dispersant Technology [patent_app_type] => utility [patent_app_number] => 18/460196 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460196
Hot Tub Filterwell Dispersant Technology Aug 31, 2023 Pending
Array ( [id] => 19203381 [patent_doc_number] => 20240175280 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-30 [patent_title] => Hot Tub Filterwell Dispersant Technology [patent_app_type] => utility [patent_app_number] => 18/460196 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18460196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460196
Hot Tub Filterwell Dispersant Technology Aug 31, 2023 Pending
Array ( [id] => 18807054 [patent_doc_number] => 20230381387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => INTEGRATED WATER TESTING SYSTEM FOR ULTRA-LOW TOTAL CHLORINE DETECTION [patent_app_type] => utility [patent_app_number] => 18/233762 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233762 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233762
INTEGRATED WATER TESTING SYSTEM FOR ULTRA-LOW TOTAL CHLORINE DETECTION Aug 13, 2023 Pending
Array ( [id] => 19217625 [patent_doc_number] => 20240182329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => ROLL-TYPE DEVICE FOR ELECTROCHEMICAL RECOVERY OF AMMONIA, AND METHOD FOR ELECTROCHEMICAL RECOVERY OF AMMONIA [patent_app_type] => utility [patent_app_number] => 18/231266 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 785 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231266
ROLL-TYPE DEVICE FOR ELECTROCHEMICAL RECOVERY OF AMMONIA, AND METHOD FOR ELECTROCHEMICAL RECOVERY OF AMMONIA Aug 7, 2023 Pending
Array ( [id] => 18817301 [patent_doc_number] => 20230391641 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => METHOD FOR REMOVING A CONTAMINANT FROM WASTEWATER FROM AN INDUSTRIAL PLANT AND A SYSTEM FOR PERFORMING SUCH METHOD [patent_app_type] => utility [patent_app_number] => 18/231531 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8653 [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] => 18231531 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231531
METHOD FOR REMOVING A CONTAMINANT FROM WASTEWATER FROM AN INDUSTRIAL PLANT AND A SYSTEM FOR PERFORMING SUCH METHOD Aug 7, 2023 Pending
Array ( [id] => 19217625 [patent_doc_number] => 20240182329 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => ROLL-TYPE DEVICE FOR ELECTROCHEMICAL RECOVERY OF AMMONIA, AND METHOD FOR ELECTROCHEMICAL RECOVERY OF AMMONIA [patent_app_type] => utility [patent_app_number] => 18/231266 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -38 [patent_words_short_claim] => 785 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231266
ROLL-TYPE DEVICE FOR ELECTROCHEMICAL RECOVERY OF AMMONIA, AND METHOD FOR ELECTROCHEMICAL RECOVERY OF AMMONIA Aug 7, 2023 Pending
Array ( [id] => 18770676 [patent_doc_number] => 20230365447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Side Stream Treatment for Overflow [patent_app_type] => utility [patent_app_number] => 18/223747 [patent_app_country] => US [patent_app_date] => 2023-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12294 [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] => 18223747 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/223747
Side Stream Treatment for Overflow Jul 18, 2023 Pending
Array ( [id] => 20400896 [patent_doc_number] => 12490854 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Juice separation apparatus with supported filtering device and nonpermeable press [patent_app_type] => utility [patent_app_number] => 18/223147 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18223147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/223147
Juice separation apparatus with supported filtering device and nonpermeable press Jul 17, 2023 Issued
Array ( [id] => 18725621 [patent_doc_number] => 20230339788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => Passive, Tunable Biocide Delivery System [patent_app_type] => utility [patent_app_number] => 18/338039 [patent_app_country] => US [patent_app_date] => 2023-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3877 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18338039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/338039
Passive, Tunable Biocide Delivery System Jun 19, 2023 Pending
Array ( [id] => 18770679 [patent_doc_number] => 20230365450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => Portable Systems for High Throughput Liquid Purification [patent_app_type] => utility [patent_app_number] => 18/333318 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18333318 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/333318
Portable Systems for High Throughput Liquid Purification Jun 11, 2023 Pending
Array ( [id] => 19090839 [patent_doc_number] => 11952269 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-04-09 [patent_title] => System for generating aqueous ozone solution with variably controlled ozone generator and pipe assembly for in-line mixing [patent_app_type] => utility [patent_app_number] => 18/328873 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 9192 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18328873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/328873
System for generating aqueous ozone solution with variably controlled ozone generator and pipe assembly for in-line mixing Jun 4, 2023 Issued
Array ( [id] => 19600924 [patent_doc_number] => 20240391804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => SYSTEM FOR TREATING BRINE AND CAPTURING CO2 EMISSIONS [patent_app_type] => utility [patent_app_number] => 18/201391 [patent_app_country] => US [patent_app_date] => 2023-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7497 [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] => 18201391 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/201391
System and method for treating brine and capturing CO May 23, 2023 Issued
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