Search

John Q. Chavis

Examiner (ID: 10429, Phone: (571)272-3720 , Office: P/2193 )

Most Active Art Unit
2193
Art Unit(s)
2899, 2316, 2764, 2762, 2122, 2124, 2787, 2307, 2193, 2191
Total Applications
1631
Issued Applications
1371
Pending Applications
60
Abandoned Applications
209

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20437701 [patent_doc_number] => 12508525 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-30 [patent_title] => System and method for filtration of industrial and mobile fluids [patent_app_type] => utility [patent_app_number] => 18/496059 [patent_app_country] => US [patent_app_date] => 2023-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18496059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/496059
System and method for filtration of industrial and mobile fluids Oct 26, 2023 Issued
Array ( [id] => 20716033 [patent_doc_number] => 12631275 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Connection assembly and manifold thereof [patent_app_type] => utility [patent_app_number] => 18/384262 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 14 [patent_no_of_words] => 2205 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18384262 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/384262
Connection assembly and manifold thereof Oct 25, 2023 Issued
Array ( [id] => 19126105 [patent_doc_number] => 20240131458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/383284 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18383284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383284
HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS Oct 23, 2023 Pending
Array ( [id] => 20328654 [patent_doc_number] => 12458914 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Modular filtration platform [patent_app_type] => utility [patent_app_number] => 18/492430 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 25 [patent_no_of_words] => 3322 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492430 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492430
Modular filtration platform Oct 22, 2023 Issued
Array ( [id] => 19126105 [patent_doc_number] => 20240131458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/383284 [patent_app_country] => US [patent_app_date] => 2023-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18383284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383284
HIGH PRESSURE FILTER APPARATUS WITH EXTERNAL SLEEVE AND RELATED METHODS Oct 22, 2023 Pending
Array ( [id] => 18938524 [patent_doc_number] => 20240033663 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-01 [patent_title] => FLUID COLLECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/379579 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379579 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379579
FLUID COLLECTION SYSTEM Oct 11, 2023 Pending
Array ( [id] => 19111628 [patent_doc_number] => 20240123378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => RETURN LINE IN-TANK FILTER ASSEMBLY WITH DISPOSABLE FILTER ELEMENT [patent_app_type] => utility [patent_app_number] => 18/378132 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5500 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18378132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378132
Return line in-tank filter assembly with disposable filter element Oct 8, 2023 Issued
Array ( [id] => 19033981 [patent_doc_number] => 20240083796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => HOSE MANAGEMENT ASSEMBLY FOR WATER MINERALIZATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/480994 [patent_app_country] => US [patent_app_date] => 2023-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6844 [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] => 18480994 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/480994
HOSE MANAGEMENT ASSEMBLY FOR WATER MINERALIZATION SYSTEM Oct 3, 2023 Pending
Array ( [id] => 19360639 [patent_doc_number] => 20240262673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => WATER DISPENSING DEVICE [patent_app_type] => utility [patent_app_number] => 18/372635 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19753 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372635
WATER DISPENSING DEVICE Sep 24, 2023 Pending
Array ( [id] => 19550384 [patent_doc_number] => 12134076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Water purification apparatus and methods for cleaning the water purification apparatus [patent_app_type] => utility [patent_app_number] => 18/372473 [patent_app_country] => US [patent_app_date] => 2023-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 25690 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18372473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/372473
Water purification apparatus and methods for cleaning the water purification apparatus Sep 24, 2023 Issued
Array ( [id] => 19491976 [patent_doc_number] => 12110674 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-08 [patent_title] => Self-supporting vacuum plumbing assembly [patent_app_type] => utility [patent_app_number] => 18/472396 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 4926 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 396 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472396
Self-supporting vacuum plumbing assembly Sep 21, 2023 Issued
Array ( [id] => 19033980 [patent_doc_number] => 20240083795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => APPARATUS AND PROCESS FOR MINERALIZING DRINKING WATER USING A VERTICAL MANIFOLD [patent_app_type] => utility [patent_app_number] => 18/471494 [patent_app_country] => US [patent_app_date] => 2023-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471494
APPARATUS AND PROCESS FOR MINERALIZING DRINKING WATER USING A VERTICAL MANIFOLD Sep 20, 2023 Pending
Array ( [id] => 19068052 [patent_doc_number] => 20240102478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => AIR VENTING [patent_app_type] => utility [patent_app_number] => 18/469332 [patent_app_country] => US [patent_app_date] => 2023-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6394 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18469332 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/469332
Air venting Sep 17, 2023 Issued
Array ( [id] => 18860711 [patent_doc_number] => 20230415146 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => Density Phase Separation Device [patent_app_type] => utility [patent_app_number] => 18/367124 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17727 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18367124 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/367124
Density phase separation device Sep 11, 2023 Issued
Array ( [id] => 20492525 [patent_doc_number] => 12534387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Water supply and distribution system on-board an aircraft and method for operating such system with low maintenance effort [patent_app_type] => utility [patent_app_number] => 18/238053 [patent_app_country] => US [patent_app_date] => 2023-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 0 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18238053 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/238053
Water supply and distribution system on-board an aircraft and method for operating such system with low maintenance effort Aug 24, 2023 Issued
Array ( [id] => 18971760 [patent_doc_number] => 20240051852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => GREY WATER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/232633 [patent_app_country] => US [patent_app_date] => 2023-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7253 [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] => 18232633 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/232633
GREY WATER SYSTEM Aug 9, 2023 Pending
Array ( [id] => 20700475 [patent_doc_number] => 12623167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Water purification system and method [patent_app_type] => utility [patent_app_number] => 18/231846 [patent_app_country] => US [patent_app_date] => 2023-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 2428 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18231846 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/231846
Water purification system and method Aug 8, 2023 Issued
Array ( [id] => 20535620 [patent_doc_number] => 12552684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Sewage purification treatment apparatus capable of being assembled in prefabricated way [patent_app_type] => utility [patent_app_number] => 18/365769 [patent_app_country] => US [patent_app_date] => 2023-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 1236 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 785 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18365769 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/365769
Sewage purification treatment apparatus capable of being assembled in prefabricated way Aug 3, 2023 Issued
Array ( [id] => 18785926 [patent_doc_number] => 20230373830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => ATOMIZER-BASED SYSTEM FOR WASTEWATER TREATMENT THROUGH MICROORGANISM BIOCHEMICAL PATHWAY OPTIMIZATION [patent_app_type] => utility [patent_app_number] => 18/363718 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11366 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18363718 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363718
Atomizer-based system for wastewater treatment through microorganism biochemical pathway optimization Jul 31, 2023 Issued
Array ( [id] => 18861680 [patent_doc_number] => 20230416115 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => Pressurization System for Portable Water Filters [patent_app_type] => utility [patent_app_number] => 18/214746 [patent_app_country] => US [patent_app_date] => 2023-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18214746 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214746
Pressurization System for Portable Water Filters Jun 26, 2023 Pending
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