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] => 20465709 [patent_doc_number] => 12521739 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Misting fan [patent_app_type] => utility [patent_app_number] => 19/205930 [patent_app_country] => US [patent_app_date] => 2025-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 65 [patent_figures_cnt] => 72 [patent_no_of_words] => 15501 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19205930 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/205930
Misting fan May 11, 2025 Issued
Array ( [id] => 19768860 [patent_doc_number] => 20250050286 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-13 [patent_title] => AIR DIFFUSER [patent_app_type] => utility [patent_app_number] => 18/930346 [patent_app_country] => US [patent_app_date] => 2024-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6721 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18930346 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/930346
AIR DIFFUSER Oct 28, 2024 Pending
Array ( [id] => 19990751 [patent_doc_number] => 20250128973 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-24 [patent_title] => OXYGEN INFUSION MODULE FOR WASTEWATER TREATMENT [patent_app_type] => utility [patent_app_number] => 18/670470 [patent_app_country] => US [patent_app_date] => 2024-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17487 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18670470 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/670470
OXYGEN INFUSION MODULE FOR WASTEWATER TREATMENT May 20, 2024 Pending
Array ( [id] => 19382002 [patent_doc_number] => 20240271872 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => DRIFT ELIMINATOR AND METHOD OF MAKING [patent_app_type] => utility [patent_app_number] => 18/647196 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18647196 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/647196
DRIFT ELIMINATOR AND METHOD OF MAKING Apr 25, 2024 Pending
Array ( [id] => 19693917 [patent_doc_number] => 20250012462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => Condensing, Ultra-Low NOx Gas-Fired Humidifier [patent_app_type] => utility [patent_app_number] => 18/615282 [patent_app_country] => US [patent_app_date] => 2024-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5712 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 18615282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/615282
Condensing, Ultra-Low NOx Gas-Fired Humidifier Mar 24, 2024 Pending
Array ( [id] => 19126119 [patent_doc_number] => 20240131472 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-25 [patent_title] => COOLING TOWER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/386110 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18271 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18386110 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386110
COOLING TOWER SYSTEM Jan 11, 2024 Pending
Array ( [id] => 20505223 [patent_doc_number] => 12539485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Devices, systems and methods for flux removal from furnace process gas [patent_app_type] => utility [patent_app_number] => 18/407059 [patent_app_country] => US [patent_app_date] => 2024-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 1249 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 367 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18407059 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/407059
Devices, systems and methods for flux removal from furnace process gas Jan 7, 2024 Issued
Array ( [id] => 20058996 [patent_doc_number] => 20250197218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => Apparatus and Method for Nitrogen Generation for Methanol Powered Maritime Vehicle [patent_app_type] => utility [patent_app_number] => 18/544710 [patent_app_country] => US [patent_app_date] => 2023-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2545 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18544710 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/544710
Apparatus and Method for Nitrogen Generation for Methanol Powered Maritime Vehicle Dec 18, 2023 Pending
Array ( [id] => 19113760 [patent_doc_number] => 20240125510 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => AIR PURIFIER [patent_app_type] => utility [patent_app_number] => 18/378256 [patent_app_country] => US [patent_app_date] => 2023-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11665 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18378256 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378256
AIR PURIFIER Oct 9, 2023 Pending
Array ( [id] => 18954018 [patent_doc_number] => 20240042345 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => Multi-Stage Bubble-Column Vapor Mixture Condensation [patent_app_type] => utility [patent_app_number] => 18/378129 [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] => 5622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 531 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18378129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/378129
Multi-Stage Bubble-Column Vapor Mixture Condensation Oct 8, 2023 Pending
Array ( [id] => 19096780 [patent_doc_number] => 20240116007 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => Hollow Fiber Membrane Supported Metal Organic Framework (MOF) Based Device [patent_app_type] => utility [patent_app_number] => 18/377482 [patent_app_country] => US [patent_app_date] => 2023-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18377482 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/377482
Hollow Fiber Membrane Supported Metal Organic Framework (MOF) Based Device Oct 5, 2023 Pending
Array ( [id] => 19082219 [patent_doc_number] => 20240109020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => GAS PURIFICATION APPARATUS [patent_app_type] => utility [patent_app_number] => 18/376192 [patent_app_country] => US [patent_app_date] => 2023-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18376192 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/376192
GAS PURIFICATION APPARATUS Oct 2, 2023 Pending
Array ( [id] => 19082222 [patent_doc_number] => 20240109023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => Methods and Apparatus for Rejecting Moisture from a Desiccant Solution [patent_app_type] => utility [patent_app_number] => 18/374714 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18374714 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374714
Methods and Apparatus for Rejecting Moisture from a Desiccant Solution Sep 28, 2023 Pending
Array ( [id] => 19082198 [patent_doc_number] => 20240108999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => Methods and Apparatus for Rejecting Moisture from a Desiccant Solution [patent_app_type] => utility [patent_app_number] => 18/374712 [patent_app_country] => US [patent_app_date] => 2023-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13724 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18374712 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/374712
Methods and Apparatus for Rejecting Moisture from a Desiccant Solution Sep 28, 2023 Pending
Array ( [id] => 19082220 [patent_doc_number] => 20240109021 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => CARBON DIOXIDE REMOVAL APPARATUS [patent_app_type] => utility [patent_app_number] => 18/475254 [patent_app_country] => US [patent_app_date] => 2023-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18475254 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/475254
CARBON DIOXIDE REMOVAL APPARATUS Sep 26, 2023 Pending
Array ( [id] => 19082228 [patent_doc_number] => 20240109029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-04 [patent_title] => EXHAUST GAS ABATEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/474594 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18474594 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/474594
EXHAUST GAS ABATEMENT SYSTEM Sep 25, 2023 Pending
Array ( [id] => 18894148 [patent_doc_number] => 20240009633 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => HIGH EFFICIENCY WATER DISTRIBUTION PLATE DESIGN FOR ENHANCED OXYGEN TRANSFER [patent_app_type] => utility [patent_app_number] => 18/473757 [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] => 8666 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18473757 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473757
HIGH EFFICIENCY WATER DISTRIBUTION PLATE DESIGN FOR ENHANCED OXYGEN TRANSFER Sep 24, 2023 Abandoned
Array ( [id] => 18894149 [patent_doc_number] => 20240009634 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-11 [patent_title] => HIGH EFFICIENCY WATER DISTRIBUTION PLATE DESIGN FOR ENHANCED OXYGEN TRANSFER [patent_app_type] => utility [patent_app_number] => 18/473793 [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] => 8684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18473793 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/473793
HIGH EFFICIENCY WATER DISTRIBUTION PLATE DESIGN FOR ENHANCED OXYGEN TRANSFER Sep 24, 2023 Pending
Array ( [id] => 19861124 [patent_doc_number] => 20250099910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => SERIES-CONNECTED ABSORPTION HIGH-GRAVITY DEVICE [patent_app_type] => utility [patent_app_number] => 18/472969 [patent_app_country] => US [patent_app_date] => 2023-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5681 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18472969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/472969
Series-connected absorption high-gravity device Sep 21, 2023 Issued
Array ( [id] => 19845648 [patent_doc_number] => 20250090999 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => PULSED ABSORPTION CONTACTOR [patent_app_type] => utility [patent_app_number] => 18/468912 [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] => 10157 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18468912 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/468912
PULSED ABSORPTION CONTACTOR Sep 17, 2023 Pending
Menu