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] => 18778992 [patent_doc_number] => 11820683 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-21 [patent_title] => Ozone injector device [patent_app_type] => utility [patent_app_number] => 18/061817 [patent_app_country] => US [patent_app_date] => 2022-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 5575 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18061817 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/061817
Ozone injector device Dec 4, 2022 Issued
Array ( [id] => 19033958 [patent_doc_number] => 20240083773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FLUID COLLECTION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/074344 [patent_app_country] => US [patent_app_date] => 2022-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18074344 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/074344
FLUID COLLECTION SYSTEM Dec 1, 2022 Pending
Array ( [id] => 20687570 [patent_doc_number] => 12617705 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Applying chemical oxygen demand and heating value diagnostics to enhance performance of a SCWO process [patent_app_type] => utility [patent_app_number] => 18/059834 [patent_app_country] => US [patent_app_date] => 2022-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5192 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18059834 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/059834
Applying chemical oxygen demand and heating value diagnostics to enhance performance of a SCWO process Nov 28, 2022 Issued
Array ( [id] => 18524215 [patent_doc_number] => 20230234872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-27 [patent_title] => WATER PURIFIER [patent_app_type] => utility [patent_app_number] => 17/991031 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17991031 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/991031
Water purifier Nov 20, 2022 Issued
Array ( [id] => 19172287 [patent_doc_number] => 20240158261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => CHARGEABLE WATER PURIFIER [patent_app_type] => utility [patent_app_number] => 17/988175 [patent_app_country] => US [patent_app_date] => 2022-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3384 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17988175 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/988175
CHARGEABLE WATER PURIFIER Nov 15, 2022 Abandoned
Array ( [id] => 20466484 [patent_doc_number] => 12522516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Wastewater specimen collection system and method [patent_app_type] => utility [patent_app_number] => 18/051500 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 5747 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18051500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/051500
Wastewater specimen collection system and method Oct 30, 2022 Issued
Array ( [id] => 18362486 [patent_doc_number] => 20230144077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => WATER PURIFYING APPARATUS AND REFRIGERATOR HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 17/976458 [patent_app_country] => US [patent_app_date] => 2022-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12026 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17976458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/976458
Water purifying apparatus and refrigerator having the same Oct 27, 2022 Issued
Array ( [id] => 19504885 [patent_doc_number] => 12116296 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-15 [patent_title] => Fast flow dewatering trailer apparatus and method of use [patent_app_type] => utility [patent_app_number] => 18/049132 [patent_app_country] => US [patent_app_date] => 2022-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 7534 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18049132 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/049132
Fast flow dewatering trailer apparatus and method of use Oct 23, 2022 Issued
Array ( [id] => 18319996 [patent_doc_number] => 20230118124 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => DETECTION OF PERFORMANCE IRREGULARITIES WITHIN MULTI-ELEMENT VESSELS [patent_app_type] => utility [patent_app_number] => 17/966203 [patent_app_country] => US [patent_app_date] => 2022-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5395 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17966203 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/966203
DETECTION OF PERFORMANCE IRREGULARITIES WITHIN MULTI-ELEMENT VESSELS Oct 13, 2022 Abandoned
Array ( [id] => 18168581 [patent_doc_number] => 20230035191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => WATER PURIFIER, HOME APPLIANCE, AND CONTROL METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/966477 [patent_app_country] => US [patent_app_date] => 2022-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15903 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17966477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/966477
WATER PURIFIER, HOME APPLIANCE, AND CONTROL METHOD THEREFOR Oct 13, 2022 Pending
Array ( [id] => 18274546 [patent_doc_number] => 11613476 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-28 [patent_title] => Physicochemical water treatment process using microfiber filter coated with coagulant [patent_app_type] => utility [patent_app_number] => 17/964042 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3028 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964042 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964042
Physicochemical water treatment process using microfiber filter coated with coagulant Oct 11, 2022 Issued
Array ( [id] => 18674860 [patent_doc_number] => 20230312371 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => GRAVITY-FLOW FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/045105 [patent_app_country] => US [patent_app_date] => 2022-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 18045105 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/045105
Gravity-flow filter assembly Oct 6, 2022 Issued
Array ( [id] => 18295611 [patent_doc_number] => 20230105297 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => HANG ON BACK FILTERING UNIT FOR AQUARIUM TANK [patent_app_type] => utility [patent_app_number] => 17/956622 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956622
HANG ON BACK FILTERING UNIT FOR AQUARIUM TANK Sep 28, 2022 Abandoned
Array ( [id] => 19990031 [patent_doc_number] => 20250128253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => Rigid Separation Barrier for a Specimen Collection Container [patent_app_type] => utility [patent_app_number] => 18/691584 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18691584 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/691584
Rigid Separation Barrier for a Specimen Collection Container Sep 13, 2022 Pending
Array ( [id] => 19793237 [patent_doc_number] => 12234166 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-25 [patent_title] => Dispensing cartridge alert [patent_app_type] => utility [patent_app_number] => 17/941495 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1909 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941495 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941495
Dispensing cartridge alert Sep 8, 2022 Issued
Array ( [id] => 18413017 [patent_doc_number] => 11667549 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Osmotic methods and systems involving energy recovery [patent_app_type] => utility [patent_app_number] => 17/882701 [patent_app_country] => US [patent_app_date] => 2022-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 41176 [patent_no_of_claims] => 51 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17882701 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/882701
Osmotic methods and systems involving energy recovery Aug 7, 2022 Issued
Array ( [id] => 19961493 [patent_doc_number] => 12330976 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-17 [patent_title] => Complete sets of equipment for supplying drinking water in field [patent_app_type] => utility [patent_app_number] => 17/817336 [patent_app_country] => US [patent_app_date] => 2022-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 9380 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 448 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17817336 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/817336
Complete sets of equipment for supplying drinking water in field Aug 2, 2022 Issued
Array ( [id] => 18208971 [patent_doc_number] => 20230055231 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-23 [patent_title] => Single-hand-operable Micro Water Purifier [patent_app_type] => utility [patent_app_number] => 17/879290 [patent_app_country] => US [patent_app_date] => 2022-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17879290 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/879290
Single-hand-operable micro water purifier Aug 1, 2022 Issued
Array ( [id] => 20699880 [patent_doc_number] => 12622565 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-12 [patent_title] => Food waste disposer [patent_app_type] => utility [patent_app_number] => 17/876865 [patent_app_country] => US [patent_app_date] => 2022-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 5725 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17876865 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/876865
Food waste disposer Jul 28, 2022 Issued
Array ( [id] => 18233122 [patent_doc_number] => 11597669 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-03-07 [patent_title] => Apparatus for mineralizing drinking water [patent_app_type] => utility [patent_app_number] => 17/815479 [patent_app_country] => US [patent_app_date] => 2022-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6524 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [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] => 17815479 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/815479
Apparatus for mineralizing drinking water Jul 26, 2022 Issued
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