Search

Sheela C. Chawan

Examiner (ID: 17138, Phone: (571)272-7446 , Office: P/2669 )

Most Active Art Unit
2669
Art Unit(s)
2625, 2623, 2721, 2669, 2624, 2621
Total Applications
1677
Issued Applications
1462
Pending Applications
84
Abandoned Applications
161

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18536469 [patent_doc_number] => 20230241558 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-03 [patent_title] => Graphene Oxide-Nanoparticle Composite Membranes, Preparation and Uses Thereof [patent_app_type] => utility [patent_app_number] => 18/007795 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18007795 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/007795
Graphene Oxide-Nanoparticle Composite Membranes, Preparation and Uses Thereof Jan 28, 2021 Pending
Array ( [id] => 18177556 [patent_doc_number] => 20230038285 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-09 [patent_title] => STRIP AERATOR AND AERATOR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/790353 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5687 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17790353 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/790353
STRIP AERATOR AND AERATOR ASSEMBLY Jan 6, 2021 Abandoned
Array ( [id] => 16793802 [patent_doc_number] => 20210123619 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-29 [patent_title] => HUMIDIFYING DEVICE, AIR CLEANER AND HOUSEHOLD APPLIANCE [patent_app_type] => utility [patent_app_number] => 17/141901 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17141901 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/141901
HUMIDIFYING DEVICE, AIR CLEANER AND HOUSEHOLD APPLIANCE Jan 4, 2021 Abandoned
Array ( [id] => 17705666 [patent_doc_number] => 20220205672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 17/134614 [patent_app_country] => US [patent_app_date] => 2020-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17134614 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/134614
HUMIDIFIER Dec 27, 2020 Abandoned
Array ( [id] => 16917250 [patent_doc_number] => 20210190342 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => Humidifier with Air Guiding Arrangement [patent_app_type] => utility [patent_app_number] => 17/125982 [patent_app_country] => US [patent_app_date] => 2020-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5398 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17125982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/125982
Humidifier with air guiding arrangement Dec 16, 2020 Issued
Array ( [id] => 16899402 [patent_doc_number] => 20210178318 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => Apparatus and Method for Oxygen and Carbon Dioxide Enrichment of Atmospheric Air [patent_app_type] => utility [patent_app_number] => 17/121560 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11020 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17121560 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/121560
Apparatus and method for oxygen and carbon dioxide enrichment of atmospheric air Dec 13, 2020 Issued
Array ( [id] => 17673782 [patent_doc_number] => 20220186949 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-16 [patent_title] => Disinfecting Device [patent_app_type] => utility [patent_app_number] => 17/119558 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8597 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17119558 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/119558
Disinfecting Device Dec 10, 2020 Abandoned
Array ( [id] => 16885964 [patent_doc_number] => 20210172159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => Flow Controller and Bubbler [patent_app_type] => utility [patent_app_number] => 17/113365 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3062 [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] => 17113365 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113365
Flow Controller and Bubbler Dec 6, 2020 Abandoned
Array ( [id] => 16886431 [patent_doc_number] => 20210172627 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => HUMIDIFICATION AND AIR CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/113283 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113283
Humidification and air cleaning apparatus Dec 6, 2020 Issued
Array ( [id] => 18576393 [patent_doc_number] => 11732911 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Overhead type upper water adding humidifier [patent_app_type] => utility [patent_app_number] => 17/113160 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3660 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113160
Overhead type upper water adding humidifier Dec 6, 2020 Issued
Array ( [id] => 18118314 [patent_doc_number] => 11549701 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Humidification and air cleaning apparatus [patent_app_type] => utility [patent_app_number] => 17/113270 [patent_app_country] => US [patent_app_date] => 2020-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 26 [patent_no_of_words] => 16616 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17113270 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/113270
Humidification and air cleaning apparatus Dec 6, 2020 Issued
Array ( [id] => 18870120 [patent_doc_number] => 11857900 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Gas filtration apparatus [patent_app_type] => utility [patent_app_number] => 17/109906 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 3987 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17109906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/109906
Gas filtration apparatus Dec 1, 2020 Issued
Array ( [id] => 16870952 [patent_doc_number] => 20210164419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => LIMITING CAP [patent_app_type] => utility [patent_app_number] => 17/105977 [patent_app_country] => US [patent_app_date] => 2020-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5171 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17105977 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/105977
Limiting cap Nov 26, 2020 Issued
Array ( [id] => 16687193 [patent_doc_number] => 20210069668 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => STRUCTURED PACKING MODULE FOR USE IN A MASS TRANSFER COLUMN AND METHOD OF ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/953333 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16953333 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/953333
STRUCTURED PACKING MODULE FOR USE IN A MASS TRANSFER COLUMN AND METHOD OF ASSEMBLY Nov 19, 2020 Abandoned
Array ( [id] => 19884872 [patent_doc_number] => 12270572 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Systems and methods for controlling indoor air quality with a fluid moving apparatus [patent_app_type] => utility [patent_app_number] => 17/100326 [patent_app_country] => US [patent_app_date] => 2020-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 16 [patent_no_of_words] => 5726 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17100326 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/100326
Systems and methods for controlling indoor air quality with a fluid moving apparatus Nov 19, 2020 Issued
Array ( [id] => 16687179 [patent_doc_number] => 20210069654 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => CONTAINER WITH FILM SPARGER [patent_app_type] => utility [patent_app_number] => 16/953066 [patent_app_country] => US [patent_app_date] => 2020-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16953066 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/953066
Container with film sparger Nov 18, 2020 Issued
Array ( [id] => 16692556 [patent_doc_number] => 20210075035 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => Humidifier, for Example for a Fuel Cell [patent_app_type] => utility [patent_app_number] => 17/099141 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 342 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17099141 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/099141
Humidifier, for Example for a Fuel Cell Nov 15, 2020 Abandoned
Array ( [id] => 16886400 [patent_doc_number] => 20210172596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => CHEVRON VANE AND MOISTURE SEPARATOR INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 17/088878 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3230 [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] => 17088878 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/088878
Chevron vane and moisture separator including same Nov 3, 2020 Issued
Array ( [id] => 16809130 [patent_doc_number] => 20210131683 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-06 [patent_title] => AIR EXHAUST DEVICE, AIR CONDITIONING SYSTEM AND THE CONTROL METHOD THEREFOR [patent_app_type] => utility [patent_app_number] => 17/084098 [patent_app_country] => US [patent_app_date] => 2020-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17084098 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/084098
AIR EXHAUST DEVICE, AIR CONDITIONING SYSTEM AND THE CONTROL METHOD THEREFOR Oct 28, 2020 Pending
Array ( [id] => 16886428 [patent_doc_number] => 20210172624 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => AIR MANAGEMENT APPARATUS OR DEVICE [patent_app_type] => utility [patent_app_number] => 17/072656 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072656 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072656
Air management apparatus or device Oct 15, 2020 Issued
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