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Peter Keyworth

Examiner (ID: 1288, Phone: (571)270-3479 , Office: P/1777 )

Most Active Art Unit
1777
Art Unit(s)
1777
Total Applications
932
Issued Applications
464
Pending Applications
154
Abandoned Applications
351

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20294902 [patent_doc_number] => 20250320145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS AND METHODS FOR WATER FILTRATION [patent_app_type] => utility [patent_app_number] => 19/251298 [patent_app_country] => US [patent_app_date] => 2025-06-26 [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] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19251298 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251298
SYSTEMS AND METHODS FOR WATER FILTRATION Jun 25, 2025 Pending
Array ( [id] => 20294902 [patent_doc_number] => 20250320145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => SYSTEMS AND METHODS FOR WATER FILTRATION [patent_app_type] => utility [patent_app_number] => 19/251298 [patent_app_country] => US [patent_app_date] => 2025-06-26 [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] => -18 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19251298 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/251298
SYSTEMS AND METHODS FOR WATER FILTRATION Jun 25, 2025 Pending
Array ( [id] => 20372323 [patent_doc_number] => 12479745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate [patent_app_type] => utility [patent_app_number] => 19/237046 [patent_app_country] => US [patent_app_date] => 2025-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 453 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19237046 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/237046
Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate Jun 12, 2025 Issued
Array ( [id] => 20372323 [patent_doc_number] => 12479745 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate [patent_app_type] => utility [patent_app_number] => 19/237046 [patent_app_country] => US [patent_app_date] => 2025-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 453 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19237046 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/237046
Method for treating polluted acidic wastewater from smelting with activated pyrite concentrate Jun 12, 2025 Issued
Array ( [id] => 20271870 [patent_doc_number] => 12441639 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Neutralization processing system for ammonia-containing waste fluid and neutralization processing method for ammonia-containing waste fluid [patent_app_type] => utility [patent_app_number] => 19/067547 [patent_app_country] => US [patent_app_date] => 2025-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2247 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19067547 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/067547
Neutralization processing system for ammonia-containing waste fluid and neutralization processing method for ammonia-containing waste fluid Feb 27, 2025 Issued
Array ( [id] => 20164952 [patent_doc_number] => 20250256998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => THE CONTROL OF CONTINUOUS WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 19/054835 [patent_app_country] => US [patent_app_date] => 2025-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6202 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19054835 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/054835
THE CONTROL OF CONTINUOUS WATER TREATMENT Feb 14, 2025 Pending
Array ( [id] => 20121516 [patent_doc_number] => 20250236547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION [patent_app_type] => utility [patent_app_number] => 19/016858 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19016858 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/016858
SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION Jan 9, 2025 Pending
Array ( [id] => 20121516 [patent_doc_number] => 20250236547 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-24 [patent_title] => SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION [patent_app_type] => utility [patent_app_number] => 19/016858 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19016858 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/016858
SYSTEMS AND METHODS OF REMOVING TOXIC SUBSTANCES FROM WATER USING VERMIFILTRATION Jan 9, 2025 Pending
Array ( [id] => 19862122 [patent_doc_number] => 20250100908 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => METHODS AND SYSTEMS FOR TREATING BIOLOGICAL CONTAMINANTS [patent_app_type] => utility [patent_app_number] => 18/964828 [patent_app_country] => US [patent_app_date] => 2024-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18964828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/964828
METHODS AND SYSTEMS FOR TREATING BIOLOGICAL CONTAMINANTS Dec 1, 2024 Pending
Array ( [id] => 20024698 [patent_doc_number] => 20250162920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHODS OF LIPID RECOVERY AND LEACHATE TREATMENT [patent_app_type] => utility [patent_app_number] => 18/957190 [patent_app_country] => US [patent_app_date] => 2024-11-22 [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] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18957190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/957190
METHODS OF LIPID RECOVERY AND LEACHATE TREATMENT Nov 21, 2024 Pending
Array ( [id] => 20024698 [patent_doc_number] => 20250162920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => METHODS OF LIPID RECOVERY AND LEACHATE TREATMENT [patent_app_type] => utility [patent_app_number] => 18/957190 [patent_app_country] => US [patent_app_date] => 2024-11-22 [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] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18957190 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/957190
METHODS OF LIPID RECOVERY AND LEACHATE TREATMENT Nov 21, 2024 Pending
Array ( [id] => 19763093 [patent_doc_number] => 12221366 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-11 [patent_title] => Method for recycling copper-containing wastewater from micro-etching [patent_app_type] => utility [patent_app_number] => 18/804147 [patent_app_country] => US [patent_app_date] => 2024-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3964 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18804147 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/804147
Method for recycling copper-containing wastewater from micro-etching Aug 13, 2024 Issued
Array ( [id] => 19884071 [patent_doc_number] => 12269763 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Treatment method for complete harmless treatment of activated sludge and complete resource utilization of activated sludge's products [patent_app_type] => utility [patent_app_number] => 18/785323 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 5248 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18785323 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/785323
Treatment method for complete harmless treatment of activated sludge and complete resource utilization of activated sludge's products Jul 25, 2024 Issued
Array ( [id] => 19768928 [patent_doc_number] => 20250050354 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => METHOD FOR FROTH-CONTROLLED FLOTATION OF ARGILLACEOUS LEPIDOLITE ORE [patent_app_type] => utility [patent_app_number] => 18/782638 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 349 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782638 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782638
Method for froth-controlled flotation of argillaceous lepidolite ore Jul 23, 2024 Issued
Array ( [id] => 20226593 [patent_doc_number] => 12415233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Fluid treatment tank having a laser welded distributor plate [patent_app_type] => utility [patent_app_number] => 18/773816 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18773816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773816
Fluid treatment tank having a laser welded distributor plate Jul 15, 2024 Issued
Array ( [id] => 20226593 [patent_doc_number] => 12415233 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Fluid treatment tank having a laser welded distributor plate [patent_app_type] => utility [patent_app_number] => 18/773816 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18773816 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773816
Fluid treatment tank having a laser welded distributor plate Jul 15, 2024 Issued
Array ( [id] => 19709144 [patent_doc_number] => 20250019286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => Methods and Systems of Nitrate Removal in Aqueous Systems for Improved PFAS Destruction [patent_app_type] => utility [patent_app_number] => 18/771292 [patent_app_country] => US [patent_app_date] => 2024-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18771292 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/771292
Methods and Systems of Nitrate Removal in Aqueous Systems for Improved PFAS Destruction Jul 11, 2024 Pending
Array ( [id] => 19542983 [patent_doc_number] => 20240360019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => DAIRY WASTEWATER TREATMENT SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/769993 [patent_app_country] => US [patent_app_date] => 2024-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8378 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769993 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769993
Dairy wastewater treatment system and method Jul 10, 2024 Issued
Array ( [id] => 19542109 [patent_doc_number] => 20240359145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => PURIFICATION METHODS COMPRISING THE USE OF MEMBRANES OBTAINED FROM BIO-BASED SULFONE POLYMERS [patent_app_type] => utility [patent_app_number] => 18/764614 [patent_app_country] => US [patent_app_date] => 2024-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9557 [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] => 18764614 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/764614
PURIFICATION METHODS COMPRISING THE USE OF MEMBRANES OBTAINED FROM BIO-BASED SULFONE POLYMERS Jul 4, 2024 Abandoned
Array ( [id] => 19463954 [patent_doc_number] => 20240317623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => FERRATE BASED WATER TREATMENT [patent_app_type] => utility [patent_app_number] => 18/732310 [patent_app_country] => US [patent_app_date] => 2024-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18732310 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732310
Ferrate based water treatment Jun 2, 2024 Issued
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