Search

Peter Keyworth

Examiner (ID: 5121, Phone: (571)270-3479 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1777, 1776
Total Applications
963
Issued Applications
483
Pending Applications
140
Abandoned Applications
356

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20335674 [patent_doc_number] => 20250339794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => PRODUCT FOR MINE TAILINGS [patent_app_type] => utility [patent_app_number] => 18/655744 [patent_app_country] => US [patent_app_date] => 2024-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6995 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18655744 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/655744
PRODUCT FOR MINE TAILINGS May 5, 2024 Pending
Array ( [id] => 19477940 [patent_doc_number] => 20240325982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => MEMBRANE CHROMATOGRAPHY CASSETTE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/625017 [patent_app_country] => US [patent_app_date] => 2024-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20899 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18625017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/625017
MEMBRANE CHROMATOGRAPHY CASSETTE ASSEMBLY Apr 1, 2024 Pending
Array ( [id] => 19448751 [patent_doc_number] => 20240308881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => APPARATUS AND PROCESS FOR REDUCED ENERGY CAVITATION [patent_app_type] => utility [patent_app_number] => 18/601364 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10304 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -46 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601364
APPARATUS AND PROCESS FOR REDUCED ENERGY CAVITATION Mar 10, 2024 Pending
Array ( [id] => 19448762 [patent_doc_number] => 20240308892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => SYSTEMS AND METHODS FOR WATER FILTRATION [patent_app_type] => utility [patent_app_number] => 18/601192 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5130 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601192
Systems and methods for water filtration Mar 10, 2024 Issued
Array ( [id] => 19265144 [patent_doc_number] => 20240208843 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS [patent_app_type] => utility [patent_app_number] => 18/600473 [patent_app_country] => US [patent_app_date] => 2024-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18600473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/600473
SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS Mar 7, 2024 Pending
Array ( [id] => 19417670 [patent_doc_number] => 20240293793 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PRODUCING SAME, AND USES [patent_app_type] => utility [patent_app_number] => 18/598281 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5600 [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] => 18598281 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598281
MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PRODUCING SAME, AND USES Mar 6, 2024 Abandoned
Array ( [id] => 20069200 [patent_doc_number] => 20250207422 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-26 [patent_title] => WATER SURFACE CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 18/597226 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597226 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597226
WATER SURFACE CLEANING DEVICE Mar 5, 2024 Pending
Array ( [id] => 20108113 [patent_doc_number] => 12358818 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Method of refining and recovering barium sulfate from contaminated water sources [patent_app_type] => utility [patent_app_number] => 18/581673 [patent_app_country] => US [patent_app_date] => 2024-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1301 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581673 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581673
Method of refining and recovering barium sulfate from contaminated water sources Feb 19, 2024 Issued
Array ( [id] => 20149541 [patent_doc_number] => 20250249379 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/430854 [patent_app_country] => US [patent_app_date] => 2024-02-02 [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] => -19 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18430854 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/430854
MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM Feb 1, 2024 Pending
Array ( [id] => 19142015 [patent_doc_number] => 20240140837 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Treatment of Liquid Streams Containing High Concentrations of Solids Using Ballasted Clarification [patent_app_type] => utility [patent_app_number] => 18/408853 [patent_app_country] => US [patent_app_date] => 2024-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18408853 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/408853
Treatment of Liquid Streams Containing High Concentrations of Solids Using Ballasted Clarification Jan 9, 2024 Pending
Array ( [id] => 19473796 [patent_doc_number] => 12103872 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-01 [patent_title] => Polycyclic azide desulfurizer and synthesis method thereof [patent_app_type] => utility [patent_app_number] => 18/545470 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2814 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18545470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/545470
Polycyclic azide desulfurizer and synthesis method thereof Dec 18, 2023 Issued
Array ( [id] => 19948255 [patent_doc_number] => 12319602 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-03 [patent_title] => Method and apparatus for treatment of an animal processing wastewater stream [patent_app_type] => utility [patent_app_number] => 18/527784 [patent_app_country] => US [patent_app_date] => 2023-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18527784 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/527784
Method and apparatus for treatment of an animal processing wastewater stream Dec 3, 2023 Issued
Array ( [id] => 19049454 [patent_doc_number] => 20240091423 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => Water Treatment Systems, Devices, and Methods for Fluid Preparation [patent_app_type] => utility [patent_app_number] => 18/522304 [patent_app_country] => US [patent_app_date] => 2023-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20479 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18522304 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/522304
Water treatment systems, devices, and methods for fluid preparation Nov 28, 2023 Issued
Array ( [id] => 20023623 [patent_doc_number] => 20250161845 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => Filter for a Fluid Passageway [patent_app_type] => utility [patent_app_number] => 18/514208 [patent_app_country] => US [patent_app_date] => 2023-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18514208 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/514208
Filter for a Fluid Passageway Nov 19, 2023 Pending
Array ( [id] => 19216698 [patent_doc_number] => 20240181402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => POROUS COMPOSITE MEMBRANE FORMED BY BLENDING PERFLUOROALKOXY ALKANE (PFA) AND ORGANIC MATERIAL, AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/512890 [patent_app_country] => US [patent_app_date] => 2023-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18512890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/512890
POROUS COMPOSITE MEMBRANE FORMED BY BLENDING PERFLUOROALKOXY ALKANE (PFA) AND ORGANIC MATERIAL, AND MANUFACTURING METHOD THEREOF Nov 16, 2023 Pending
Array ( [id] => 19032945 [patent_doc_number] => 20240082760 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FILTRATION SEALING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/508017 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2598 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18508017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508017
FILTRATION SEALING SYSTEM Nov 12, 2023 Pending
Array ( [id] => 20016561 [patent_doc_number] => 20250154783 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-15 [patent_title] => METHOD, APPARATUS AND SYSTEM FOR MONITORING WATER QUALITY IN A BATHING UNIT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/505625 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -33 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505625 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505625
METHOD, APPARATUS AND SYSTEM FOR MONITORING WATER QUALITY IN A BATHING UNIT SYSTEM Nov 8, 2023 Pending
Array ( [id] => 19527103 [patent_doc_number] => 20240351005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => SILICATE MODIFIED MANGANESE-BASED MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF [patent_app_type] => utility [patent_app_number] => 18/503234 [patent_app_country] => US [patent_app_date] => 2023-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18503234 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/503234
SILICATE MODIFIED MANGANESE-BASED MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF Nov 6, 2023 Pending
Array ( [id] => 19142025 [patent_doc_number] => 20240140847 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER [patent_app_type] => utility [patent_app_number] => 18/502956 [patent_app_country] => US [patent_app_date] => 2023-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8376 [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] => 18502956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/502956
Systems and methods for removing phosphorus from water Nov 5, 2023 Issued
Array ( [id] => 19317167 [patent_doc_number] => 20240238707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-18 [patent_title] => WATER FILTER ELEMENT HAVING A REMOVAL AND REPLACEMENT MEMBER [patent_app_type] => utility [patent_app_number] => 18/496275 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496275 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496275
WATER FILTER ELEMENT HAVING A REMOVAL AND REPLACEMENT MEMBER Oct 26, 2023 Pending
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