Search

David A. Saunders

Examiner (ID: 9415)

Most Active Art Unit
1644
Art Unit(s)
2899, 1801, 1621, 1802, 1816, 1633, 1208, 1644
Total Applications
1367
Issued Applications
898
Pending Applications
119
Abandoned Applications
350

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19898188 [patent_doc_number] => 12276098 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => System for purifying and delivering surface water to an aquifer [patent_app_type] => utility [patent_app_number] => 17/950050 [patent_app_country] => US [patent_app_date] => 2022-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17950050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/950050
System for purifying and delivering surface water to an aquifer Sep 20, 2022 Issued
Array ( [id] => 18108455 [patent_doc_number] => 20230001335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-05 [patent_title] => METHODS AND SYSTEMS FOR DEWATERING SOLID PARTICLES IN A CONTAMINATED LIQUID MIXTURE [patent_app_type] => utility [patent_app_number] => 17/941647 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11372 [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] => 17941647 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941647
Methods and systems for dewatering solid particles in a contaminated liquid mixture Sep 8, 2022 Issued
Array ( [id] => 20526274 [patent_doc_number] => 12544693 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-10 [patent_title] => Rotary drum filtering machine for algae filtration [patent_app_type] => utility [patent_app_number] => 18/689973 [patent_app_country] => US [patent_app_date] => 2022-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689973 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/689973
Rotary drum filtering machine for algae filtration Sep 5, 2022 Issued
Array ( [id] => 18717736 [patent_doc_number] => 11795067 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-24 [patent_title] => Environmentally friendly water intake and pretreatment system [patent_app_type] => utility [patent_app_number] => 17/902922 [patent_app_country] => US [patent_app_date] => 2022-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4226 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902922 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902922
Environmentally friendly water intake and pretreatment system Sep 4, 2022 Issued
Array ( [id] => 18226740 [patent_doc_number] => 20230065734 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => LAMINATED SPIRAL DEWATERING EQUIPMENT HAVING DETACHABLE DRIVING DEVICE [patent_app_type] => utility [patent_app_number] => 17/901087 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 658 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901087 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/901087
Multi-plate or laminated screw press Aug 31, 2022 Issued
Array ( [id] => 19624516 [patent_doc_number] => 12163326 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-12-10 [patent_title] => System for capturing and destroying hair or waste within a commercial shower drain [patent_app_type] => utility [patent_app_number] => 17/929038 [patent_app_country] => US [patent_app_date] => 2022-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 27 [patent_no_of_words] => 12611 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17929038 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/929038
System for capturing and destroying hair or waste within a commercial shower drain Aug 31, 2022 Issued
Array ( [id] => 18656486 [patent_doc_number] => 20230302385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => FILTRATION SYSTEM FOR A WATER DRAINAGE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/897892 [patent_app_country] => US [patent_app_date] => 2022-08-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17897892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/897892
Filtration system for a water drainage system Aug 28, 2022 Issued
Array ( [id] => 18254465 [patent_doc_number] => 20230081504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => Ligature Mitigation Drain [patent_app_type] => utility [patent_app_number] => 17/896050 [patent_app_country] => US [patent_app_date] => 2022-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4889 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17896050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/896050
Ligature mitigation drain Aug 24, 2022 Issued
Array ( [id] => 18208325 [patent_doc_number] => 20230054583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => SURFACE WATER CLEANING SYSTEMS AND METHOD OF THEIR USE [patent_app_type] => utility [patent_app_number] => 17/891364 [patent_app_country] => US [patent_app_date] => 2022-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17891364 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/891364
SURFACE WATER CLEANING SYSTEMS AND METHOD OF THEIR USE Aug 18, 2022 Pending
Array ( [id] => 20109052 [patent_doc_number] => 12359763 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Strainer having non-powered cleaning function [patent_app_type] => utility [patent_app_number] => 18/685435 [patent_app_country] => US [patent_app_date] => 2022-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18685435 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/685435
Strainer having non-powered cleaning function Aug 8, 2022 Issued
Array ( [id] => 19389223 [patent_doc_number] => 20240279093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => Radial Inflow Diffuser for Clarifier [patent_app_type] => utility [patent_app_number] => 18/560849 [patent_app_country] => US [patent_app_date] => 2022-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18560849 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/560849
Radial Inflow Diffuser for Clarifier Aug 3, 2022 Pending
Array ( [id] => 19551186 [patent_doc_number] => 12134886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Water inlet protection system [patent_app_type] => utility [patent_app_number] => 17/879908 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 23 [patent_no_of_words] => 7601 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17879908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/879908
Water inlet protection system Aug 2, 2022 Issued
Array ( [id] => 18035031 [patent_doc_number] => 20220379246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => FILTRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/878000 [patent_app_country] => US [patent_app_date] => 2022-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3853 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17878000 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/878000
FILTRATION SYSTEM Jul 30, 2022 Abandoned
Array ( [id] => 18323194 [patent_doc_number] => 20230121322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => SECONDARY POOL FILTER DEVICE [patent_app_type] => utility [patent_app_number] => 17/867686 [patent_app_country] => US [patent_app_date] => 2022-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3478 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17867686 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/867686
SECONDARY POOL FILTER DEVICE Jul 18, 2022 Abandoned
Array ( [id] => 19139622 [patent_doc_number] => 20240138382 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => DEVICE FOR EXTRACTING FOREIGN MATTER IN FISH TANK [patent_app_type] => utility [patent_app_number] => 18/547080 [patent_app_country] => US [patent_app_date] => 2022-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547080 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547080
Device for extracting foreign matter in fish tank Jul 11, 2022 Issued
Array ( [id] => 18158295 [patent_doc_number] => 20230024886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-26 [patent_title] => FISH SCREEN FOR SUCTION STRAINER [patent_app_type] => utility [patent_app_number] => 17/859051 [patent_app_country] => US [patent_app_date] => 2022-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17859051 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/859051
Submerged liquid intake strainers Jul 6, 2022 Issued
Array ( [id] => 18126593 [patent_doc_number] => 20230012214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-01-12 [patent_title] => MULTIPASS WATER FILTER [patent_app_type] => utility [patent_app_number] => 17/858291 [patent_app_country] => US [patent_app_date] => 2022-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6021 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17858291 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/858291
Multipass water filter Jul 5, 2022 Issued
Array ( [id] => 18878889 [patent_doc_number] => 20240002258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => WATER RECLAMATION SYSTEM USING OIL AS A HEAT TRANSFER MEDIUM AND LIQUID SALT COLLECTOR [patent_app_type] => utility [patent_app_number] => 17/810475 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5828 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17810475 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810475
WATER RECLAMATION SYSTEM USING OIL AS A HEAT TRANSFER MEDIUM AND LIQUID SALT COLLECTOR Jun 30, 2022 Abandoned
Array ( [id] => 18545893 [patent_doc_number] => 11719238 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Liquid intake filters [patent_app_type] => utility [patent_app_number] => 17/855449 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 17 [patent_no_of_words] => 5432 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17855449 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/855449
Liquid intake filters Jun 29, 2022 Issued
Array ( [id] => 18092945 [patent_doc_number] => 20220411286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-29 [patent_title] => HIGH SALINITY WASTEWATER TREATMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 17/851176 [patent_app_country] => US [patent_app_date] => 2022-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5407 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 474 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17851176 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/851176
High salinity wastewater treatment system Jun 27, 2022 Issued
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