
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |