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] => 19623946 [patent_doc_number] => 12162750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Water circulation system with ozone supply unit and pipe assembly for in-line mixing of ozone into circulating water [patent_app_type] => utility [patent_app_number] => 17/862506 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10591 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 388 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17862506 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/862506
Water circulation system with ozone supply unit and pipe assembly for in-line mixing of ozone into circulating water Jul 11, 2022 Issued
Array ( [id] => 20414036 [patent_doc_number] => 12497306 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Ecological system for deep water environment restoration and construction method thereof [patent_app_type] => utility [patent_app_number] => 17/855991 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2470 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855991 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855991
ECOLOGICAL SYSTEM FOR DEEP WATER ENVIRONMENT RESTORATION AND CONSTRUCTION METHOD THEREOF Jun 30, 2022 Issued
Array ( [id] => 20255120 [patent_doc_number] => 12427454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Filtration system and method for synchronizing permeate and retentate flow [patent_app_type] => utility [patent_app_number] => 17/852643 [patent_app_country] => US [patent_app_date] => 2022-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 6939 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17852643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/852643
Filtration system and method for synchronizing permeate and retentate flow Jun 28, 2022 Issued
Array ( [id] => 17928533 [patent_doc_number] => 20220323658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => DETERMINATION OF PATIENT BLOOD VOLUME AT START OF A DIALYSIS TREATMENT [patent_app_type] => utility [patent_app_number] => 17/843409 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6581 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17843409 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/843409
DETERMINATION OF PATIENT BLOOD VOLUME AT START OF A DIALYSIS TREATMENT Jun 16, 2022 Abandoned
Array ( [id] => 20128175 [patent_doc_number] => 12370475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Non-metallic seal plate [patent_app_type] => utility [patent_app_number] => 17/740967 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17740967 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/740967
Non-metallic seal plate May 9, 2022 Issued
Array ( [id] => 20128175 [patent_doc_number] => 12370475 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Non-metallic seal plate [patent_app_type] => utility [patent_app_number] => 17/740967 [patent_app_country] => US [patent_app_date] => 2022-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17740967 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/740967
Non-metallic seal plate May 9, 2022 Issued
Array ( [id] => 17790662 [patent_doc_number] => 20220249753 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-11 [patent_title] => METHOD FOR EXTRACORPOREAL CARBON DIOXIDE REMOVAL [patent_app_type] => utility [patent_app_number] => 17/730828 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24629 [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] => 17730828 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/730828
Method for extracorporeal carbon dioxide removal Apr 26, 2022 Issued
Array ( [id] => 17727605 [patent_doc_number] => 11383979 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-07-12 [patent_title] => Water circulation system with pipe assembly for in-line mixing to create an oxidation reduction potential (ORP) in water for a recreational or decorative water feature [patent_app_type] => utility [patent_app_number] => 17/722613 [patent_app_country] => US [patent_app_date] => 2022-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10589 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 400 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17722613 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/722613
Water circulation system with pipe assembly for in-line mixing to create an oxidation reduction potential (ORP) in water for a recreational or decorative water feature Apr 17, 2022 Issued
Array ( [id] => 18427882 [patent_doc_number] => 11673083 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Filtration system with selective flow reversal [patent_app_type] => utility [patent_app_number] => 17/721846 [patent_app_country] => US [patent_app_date] => 2022-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 12624 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17721846 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/721846
Filtration system with selective flow reversal Apr 14, 2022 Issued
Array ( [id] => 19940142 [patent_doc_number] => 12312263 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Multifunction bypass dispensing system [patent_app_type] => utility [patent_app_number] => 17/713527 [patent_app_country] => US [patent_app_date] => 2022-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2107 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17713527 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/713527
Multifunction bypass dispensing system Apr 4, 2022 Issued
Array ( [id] => 17944705 [patent_doc_number] => 20220331722 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => SCREENING APPARATUS FOR REMOVING SOLID MATERIAL FROM FLOWING LIQUID AND ASSOCIATED SCREENING PANEL [patent_app_type] => utility [patent_app_number] => 17/710470 [patent_app_country] => US [patent_app_date] => 2022-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2868 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17710470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/710470
SCREENING APPARATUS FOR REMOVING SOLID MATERIAL FROM FLOWING LIQUID AND ASSOCIATED SCREENING PANEL Mar 30, 2022 Abandoned
Array ( [id] => 19157492 [patent_doc_number] => 20240150199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => INDUSTRIAL WASTE TREATMENT PROCESS AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/280843 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 18280843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280843
INDUSTRIAL WASTE TREATMENT PROCESS AND SYSTEM Mar 6, 2022 Pending
Array ( [id] => 19157492 [patent_doc_number] => 20240150199 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => INDUSTRIAL WASTE TREATMENT PROCESS AND SYSTEM [patent_app_type] => utility [patent_app_number] => 18/280843 [patent_app_country] => US [patent_app_date] => 2022-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15311 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -31 [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] => 18280843 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/280843
INDUSTRIAL WASTE TREATMENT PROCESS AND SYSTEM Mar 6, 2022 Pending
Array ( [id] => 19142019 [patent_doc_number] => 20240140841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => AIR FLOW CONTROL IN A MEMBRANE AERATED BIOFILM REACTOR [patent_app_type] => utility [patent_app_number] => 18/279604 [patent_app_country] => US [patent_app_date] => 2022-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5332 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18279604 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279604
AIR FLOW CONTROL IN A MEMBRANE AERATED BIOFILM REACTOR Mar 2, 2022 Pending
Array ( [id] => 20158629 [patent_doc_number] => 12385243 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Multi-component weir controlled hydrodynamic separator for stormwater treatment [patent_app_type] => utility [patent_app_number] => 17/683261 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683261 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683261
Multi-component weir controlled hydrodynamic separator for stormwater treatment Feb 27, 2022 Issued
Array ( [id] => 17828873 [patent_doc_number] => 20220266177 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => SEPTIC TANK AUTOMATIC EFFLUENT FILTER CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/678349 [patent_app_country] => US [patent_app_date] => 2022-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17678349 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/678349
SEPTIC TANK AUTOMATIC EFFLUENT FILTER CLEANING SYSTEM Feb 22, 2022 Abandoned
Array ( [id] => 18044760 [patent_doc_number] => 11518701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-06 [patent_title] => Ultra-high temperature excrement solid-liquid separation extrusion sterilization integrated machine [patent_app_type] => utility [patent_app_number] => 17/677444 [patent_app_country] => US [patent_app_date] => 2022-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8149 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 402 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17677444 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/677444
Ultra-high temperature excrement solid-liquid separation extrusion sterilization integrated machine Feb 21, 2022 Issued
Array ( [id] => 17649543 [patent_doc_number] => 11352256 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-07 [patent_title] => Air scrubber system with pipe assembly for in-line mixing to create an oxidation reduction potential (ORP) in water [patent_app_type] => utility [patent_app_number] => 17/672547 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10681 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 417 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672547 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672547
Air scrubber system with pipe assembly for in-line mixing to create an oxidation reduction potential (ORP) in water Feb 14, 2022 Issued
Array ( [id] => 17937350 [patent_doc_number] => 11471784 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Enhancing a biorefinery with an optional vapor recompression unit while maintaining the ability to operate without the vapor recompression unit [patent_app_type] => utility [patent_app_number] => 17/669472 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 14844 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17669472 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/669472
Enhancing a biorefinery with an optional vapor recompression unit while maintaining the ability to operate without the vapor recompression unit Feb 10, 2022 Issued
Array ( [id] => 17563014 [patent_doc_number] => 20220127163 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => DOSING PUMP FOR DOSING ANTISCALANT INTO A MEMBRANE-BASED WATER TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/569314 [patent_app_country] => US [patent_app_date] => 2022-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9067 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17569314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/569314
DOSING PUMP FOR DOSING ANTISCALANT INTO A MEMBRANE-BASED WATER TREATMENT SYSTEM Jan 4, 2022 Abandoned
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