Search

Freddie Gary Prince Jr.

Examiner (ID: 18773, Phone: (571)272-1165 , Office: P/1778 )

Most Active Art Unit
1778
Art Unit(s)
1724, 1778, 1779, 1797, 1776
Total Applications
2690
Issued Applications
2120
Pending Applications
166
Abandoned Applications
422

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20794296 [patent_doc_number] => 20260175191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-25 [patent_title] => MULTI PURPOSE CONTAMINANT REMOVAL FROM FLUID STREAMS [patent_app_type] => utility [patent_app_number] => 19/421760 [patent_app_country] => US [patent_app_date] => 2025-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19421760 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/421760
MULTI PURPOSE CONTAMINANT REMOVAL FROM FLUID STREAMS Dec 15, 2025 Pending
Array ( [id] => 20736685 [patent_doc_number] => 20260145977 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-28 [patent_title] => SYSTEM AND METHOD OF USING NANOBUBBLES IN A DEWATERING PROCESS FOR A LIQUID-SOLID STREAM [patent_app_type] => utility [patent_app_number] => 19/365960 [patent_app_country] => US [patent_app_date] => 2025-10-22 [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] => -23 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19365960 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/365960
SYSTEM AND METHOD OF USING NANOBUBBLES IN A DEWATERING PROCESS FOR A LIQUID-SOLID STREAM Oct 21, 2025 Pending
Array ( [id] => 20473055 [patent_doc_number] => 20260015274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => HYBRID SOLAR STILL AND ANAEROBIC MEMBRANE BIOREACTOR FOR WASTEWATER TREATMENT [patent_app_type] => utility [patent_app_number] => 19/329762 [patent_app_country] => US [patent_app_date] => 2025-09-16 [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] => -8 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19329762 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/329762
Hybrid solar still and anaerobic membrane bioreactor for wastewater treatment Sep 15, 2025 Issued
Array ( [id] => 20850006 [patent_doc_number] => 12687032 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-21 [patent_title] => Automatic pool cleaning apparatus [patent_app_type] => utility [patent_app_number] => 19/315942 [patent_app_country] => US [patent_app_date] => 2025-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 3628 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19315942 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/315942
AUTOMATIC POOL CLEANING APPARATUS Sep 1, 2025 Issued
Array ( [id] => 20309629 [patent_doc_number] => 20250327258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => WATER SURFACE AUTOMATIC CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/257018 [patent_app_country] => US [patent_app_date] => 2025-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3669 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [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] => 19257018 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/257018
Water surface automatic cleaning apparatus Jun 30, 2025 Issued
Array ( [id] => 20280071 [patent_doc_number] => 20250305313 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => SWIMMING POOL ROBOT AND METHOD FOR CONTROLLING SWIMMING POOL ROBOT [patent_app_type] => utility [patent_app_number] => 19/240758 [patent_app_country] => US [patent_app_date] => 2025-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 44159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19240758 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/240758
Swimming pool robot and method for controlling swimming pool robot Jun 16, 2025 Issued
Array ( [id] => 20144409 [patent_doc_number] => 12378741 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Water surface automatic cleaning apparatus [patent_app_type] => utility [patent_app_number] => 19/070645 [patent_app_country] => US [patent_app_date] => 2025-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 20 [patent_no_of_words] => 3669 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19070645 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/070645
Water surface automatic cleaning apparatus Mar 4, 2025 Issued
Array ( [id] => 20093887 [patent_doc_number] => 20250223823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => AUTOMATIC POOL CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/985265 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3619 [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] => 18985265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985265
Automatic pool cleaning apparatus Dec 17, 2024 Issued
Array ( [id] => 20093887 [patent_doc_number] => 20250223823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => AUTOMATIC POOL CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/985265 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3619 [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] => 18985265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985265
Automatic pool cleaning apparatus Dec 17, 2024 Issued
Array ( [id] => 20093887 [patent_doc_number] => 20250223823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => AUTOMATIC POOL CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/985265 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3619 [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] => 18985265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985265
Automatic pool cleaning apparatus Dec 17, 2024 Issued
Array ( [id] => 20093887 [patent_doc_number] => 20250223823 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => AUTOMATIC POOL CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/985265 [patent_app_country] => US [patent_app_date] => 2024-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3619 [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] => 18985265 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/985265
Automatic pool cleaning apparatus Dec 17, 2024 Issued
Array ( [id] => 19889490 [patent_doc_number] => 20250114802 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => VORTICAL CROSS-FLOW FILTRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/957121 [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] => 33648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18957121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/957121
Vortical cross-flow filtration system Nov 21, 2024 Issued
Array ( [id] => 19916530 [patent_doc_number] => 12291889 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-05-06 [patent_title] => Systems, methods, apparatuses, and devices for cleaning an open body [patent_app_type] => utility [patent_app_number] => 18/900597 [patent_app_country] => US [patent_app_date] => 2024-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 1331 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18900597 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/900597
Systems, methods, apparatuses, and devices for cleaning an open body Sep 26, 2024 Issued
Array ( [id] => 19998263 [patent_doc_number] => 20250136485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => HIGH-LOAD ORGANIC WASTEWATER DARK FERMENTATION BIOHYDROGEN PRODUCTION DEVICE AND HYDROGEN PRODUCTION METHOD [patent_app_type] => utility [patent_app_number] => 18/894511 [patent_app_country] => US [patent_app_date] => 2024-09-24 [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] => -9 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18894511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/894511
High-load organic wastewater dark fermentation biohydrogen production device and hydrogen production method Sep 23, 2024 Issued
Array ( [id] => 19855780 [patent_doc_number] => 12258604 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Method for promoting anaerobic digestion using carbonyl iron [patent_app_type] => utility [patent_app_number] => 18/889673 [patent_app_country] => US [patent_app_date] => 2024-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3350 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18889673 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/889673
Method for promoting anaerobic digestion using carbonyl iron Sep 18, 2024 Issued
Array ( [id] => 19579778 [patent_doc_number] => 12145874 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Water aeration and treatment method [patent_app_type] => utility [patent_app_number] => 18/782080 [patent_app_country] => US [patent_app_date] => 2024-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 14937 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18782080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/782080
Water aeration and treatment method Jul 23, 2024 Issued
Array ( [id] => 19479207 [patent_doc_number] => 20240327249 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => DEVICE AND METHOD FOR RECYCLING SULFURIC ACID [patent_app_type] => utility [patent_app_number] => 18/740807 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18740807 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/740807
DEVICE AND METHOD FOR RECYCLING SULFURIC ACID Jun 11, 2024 Pending
Array ( [id] => 19462811 [patent_doc_number] => 20240316480 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => FILTRATION RECOVERY DEVICE AND FILTRATION RECOVERY METHOD [patent_app_type] => utility [patent_app_number] => 18/676015 [patent_app_country] => US [patent_app_date] => 2024-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19282 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18676015 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/676015
Filtration recovery device and filtration recovery method May 27, 2024 Issued
Array ( [id] => 19612205 [patent_doc_number] => 20240397885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => HYDROPONIC WATER TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/673935 [patent_app_country] => US [patent_app_date] => 2024-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7896 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18673935 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/673935
Hydroponic water treatment system May 23, 2024 Issued
Array ( [id] => 19579777 [patent_doc_number] => 12145873 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-19 [patent_title] => Preparation method for modified cathode of MEC-AD system and application of system with high efficiency and low energy consumption [patent_app_type] => utility [patent_app_number] => 18/669020 [patent_app_country] => US [patent_app_date] => 2024-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2971 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18669020 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/669020
Preparation method for modified cathode of MEC-AD system and application of system with high efficiency and low energy consumption May 19, 2024 Issued
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