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] => 19210591 [patent_doc_number] => 11999639 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-04 [patent_title] => Water flow triggering of chlorination treatment [patent_app_type] => utility [patent_app_number] => 16/564250 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2569 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [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] => 16564250 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/564250
Water flow triggering of chlorination treatment Sep 8, 2019 Issued
Array ( [id] => 15363225 [patent_doc_number] => 20200017377 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE [patent_app_type] => utility [patent_app_number] => 16/556021 [patent_app_country] => US [patent_app_date] => 2019-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14490 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16556021 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/556021
SELECTIVELY PERMEABLE GRAPHENE OXIDE MEMBRANE Aug 28, 2019 Abandoned
Array ( [id] => 17052466 [patent_doc_number] => 20210261900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => System for Filtration and Associated Method Thereof [patent_app_type] => utility [patent_app_number] => 17/268486 [patent_app_country] => US [patent_app_date] => 2019-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17268486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/268486
System for Filtration and Associated Method Thereof Aug 19, 2019 Pending
Array ( [id] => 15361549 [patent_doc_number] => 20200016539 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => System And Method Of Dynamically Adjusting Fluid Flow Rate In Response To Pressure [patent_app_type] => utility [patent_app_number] => 16/509556 [patent_app_country] => US [patent_app_date] => 2019-07-12 [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] => -17 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16509556 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/509556
System and method of dynamically adjusting fluid flow rate in response to pressure Jul 11, 2019 Issued
Array ( [id] => 14961325 [patent_doc_number] => 20190308140 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => SYSTEM OF DETECTING A LEAK IN A HEAT EXCHANGER OF A HEMODIALYSIS DEVICE [patent_app_type] => utility [patent_app_number] => 16/451044 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4682 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16451044 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/451044
System of detecting a leak in a heat exchanger of a hemodialysis device Jun 24, 2019 Issued
Array ( [id] => 17236527 [patent_doc_number] => 11180398 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-23 [patent_title] => Deionized-water cooling for electrical equipment [patent_app_type] => utility [patent_app_number] => 16/436953 [patent_app_country] => US [patent_app_date] => 2019-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5853 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16436953 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/436953
Deionized-water cooling for electrical equipment Jun 10, 2019 Issued
Array ( [id] => 14896617 [patent_doc_number] => 20190292074 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => POROUS NANOCOMPOSITE POLYMER HYDROGELS FOR WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 16/426295 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7925 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16426295 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/426295
Methods for preparing porous nanocomposite polymer hydrogel beads for water treatment May 29, 2019 Issued
Array ( [id] => 15084207 [patent_doc_number] => 20190336914 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => REVERSE OSMOSIS TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/424121 [patent_app_country] => US [patent_app_date] => 2019-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6204 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16424121 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/424121
Reverse osmosis treatment system for recovering energy generated both at brine and permeate sides during sea water desalination May 27, 2019 Issued
Array ( [id] => 16435819 [patent_doc_number] => 20200353144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => AIR MANAGEMENT IN A CASSETTE OF A DIALYSIS MACHINE [patent_app_type] => utility [patent_app_number] => 16/404809 [patent_app_country] => US [patent_app_date] => 2019-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16404809 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/404809
Air management in a cassette of a dialysis machine May 6, 2019 Issued
Array ( [id] => 17291277 [patent_doc_number] => 20210387116 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => ROTARY PRESSURE FILTER MODULE [patent_app_type] => utility [patent_app_number] => 17/290952 [patent_app_country] => US [patent_app_date] => 2019-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8162 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 389 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17290952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/290952
ROTARY PRESSURE FILTER MODULE May 2, 2019 Abandoned
Array ( [id] => 17968140 [patent_doc_number] => 11485654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Method for preparing a catalyst and using the catalyst for wastewater treatment [patent_app_type] => utility [patent_app_number] => 16/368912 [patent_app_country] => US [patent_app_date] => 2019-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3695 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [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] => 16368912 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/368912
Method for preparing a catalyst and using the catalyst for wastewater treatment Mar 28, 2019 Issued
Array ( [id] => 14896607 [patent_doc_number] => 20190292069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => FILTERED PITCHER AND DRINKING VESSEL [patent_app_type] => utility [patent_app_number] => 16/359283 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7287 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16359283 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/359283
FILTERED PITCHER AND DRINKING VESSEL Mar 19, 2019 Abandoned
Array ( [id] => 18477217 [patent_doc_number] => 11690942 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Blood purification apparatus with a bypass line that bypasses an ultrafiltration pump [patent_app_type] => utility [patent_app_number] => 16/296679 [patent_app_country] => US [patent_app_date] => 2019-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8741 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 451 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16296679 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/296679
Blood purification apparatus with a bypass line that bypasses an ultrafiltration pump Mar 7, 2019 Issued
Array ( [id] => 19491938 [patent_doc_number] => 12110636 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Filter paper [patent_app_type] => utility [patent_app_number] => 17/043486 [patent_app_country] => US [patent_app_date] => 2019-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6251 [patent_no_of_claims] => 37 [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] => 17043486 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/043486
Filter paper Mar 3, 2019 Issued
Array ( [id] => 18171970 [patent_doc_number] => 11571664 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-07 [patent_title] => Deeply grooved nanoparticle-coated nanofibers [patent_app_type] => utility [patent_app_number] => 16/286636 [patent_app_country] => US [patent_app_date] => 2019-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 2971 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16286636 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/286636
Deeply grooved nanoparticle-coated nanofibers Feb 26, 2019 Issued
Array ( [id] => 14467435 [patent_doc_number] => 20190185360 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => FLUID TREATMENT APPARATUS AND PROCESSES [patent_app_type] => utility [patent_app_number] => 16/285206 [patent_app_country] => US [patent_app_date] => 2019-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16285206 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/285206
FLUID TREATMENT APPARATUS AND PROCESSES Feb 25, 2019 Abandoned
Array ( [id] => 19608822 [patent_doc_number] => 12157688 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-03 [patent_title] => Filtration apparatus utilizing differential pressure over a filtering element [patent_app_type] => utility [patent_app_number] => 17/430630 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5979 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17430630 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/430630
Filtration apparatus utilizing differential pressure over a filtering element Feb 14, 2019 Issued
Array ( [id] => 14581003 [patent_doc_number] => 20190218110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => SYSTEMS AND METHODS FOR CLEANING WATER FILTRATION SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/244275 [patent_app_country] => US [patent_app_date] => 2019-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16244275 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244275
Systems and methods for cleaning water filtration systems Jan 9, 2019 Issued
Array ( [id] => 14581003 [patent_doc_number] => 20190218110 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => SYSTEMS AND METHODS FOR CLEANING WATER FILTRATION SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/244275 [patent_app_country] => US [patent_app_date] => 2019-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6408 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16244275 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244275
Systems and methods for cleaning water filtration systems Jan 9, 2019 Issued
Array ( [id] => 14274629 [patent_doc_number] => 20190134599 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => COMPOSITION INCLUDING SILICOTITANATE HAVING SITINAKITE STRUCTURE, AND PRODUCTION METHOD FOR SAME [patent_app_type] => utility [patent_app_number] => 16/239177 [patent_app_country] => US [patent_app_date] => 2019-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15792 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16239177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/239177
Adsorption method for at least one of cesium and strontium employing silicotitanate having sitinakite structure Jan 2, 2019 Issued
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