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] => 19702414 [patent_doc_number] => 12196431 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => Air management apparatus or device [patent_app_type] => utility [patent_app_number] => 17/072891 [patent_app_country] => US [patent_app_date] => 2020-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 51 [patent_figures_cnt] => 51 [patent_no_of_words] => 21701 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17072891 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/072891
Air management apparatus or device Oct 15, 2020 Issued
Array ( [id] => 17838647 [patent_doc_number] => 20220275952 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => DUCTED EVAPORATIVE AIR HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 17/632440 [patent_app_country] => US [patent_app_date] => 2020-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1483 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17632440 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/632440
DUCTED EVAPORATIVE AIR HUMIDIFIER Oct 7, 2020 Abandoned
Array ( [id] => 19096765 [patent_doc_number] => 20240115992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => EXHAUST GAS SCRUBBER WITH ENERGY INTEGRATION [patent_app_type] => utility [patent_app_number] => 17/767667 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17767667 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/767667
EXHAUST GAS SCRUBBER WITH ENERGY INTEGRATION Oct 1, 2020 Pending
Array ( [id] => 16779103 [patent_doc_number] => 20210116181 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => AIR-COOLED HEAT TRANSFER DEVICE WITH INTEGRATED AND MECHANIZED AIR PRE-COOL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/036113 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17036113 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/036113
Air-cooled heat transfer device with integrated and mechanized air pre-cool system Sep 28, 2020 Issued
Array ( [id] => 17981600 [patent_doc_number] => 20220347636 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => AIR DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/763008 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6728 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17763008 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/763008
AIR DIFFUSER Sep 23, 2020 Abandoned
Array ( [id] => 17883740 [patent_doc_number] => 20220299217 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => EASY-TO-CLEAN HEATED HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 17/419823 [patent_app_country] => US [patent_app_date] => 2020-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4045 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17419823 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/419823
Easy-to-clean heated humidifier Sep 20, 2020 Issued
Array ( [id] => 16933422 [patent_doc_number] => 20210199311 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => AIR-CONDITIONING AND AIR-CLEANING EQUIPMENT [patent_app_type] => utility [patent_app_number] => 17/024463 [patent_app_country] => US [patent_app_date] => 2020-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6107 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17024463 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/024463
AIR-CONDITIONING AND AIR-CLEANING EQUIPMENT Sep 16, 2020 Abandoned
Array ( [id] => 16689407 [patent_doc_number] => 20210071884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => SUBMERSIBLE-TYPE HUMIDIFIER THAT ADDING WATER FROM UPPER PORTION [patent_app_type] => utility [patent_app_number] => 17/018908 [patent_app_country] => US [patent_app_date] => 2020-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1745 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 17018908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/018908
Submersible-type humidifier that adding water from upper portion Sep 10, 2020 Issued
Array ( [id] => 16671690 [patent_doc_number] => 20210060453 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => GAS/LIQUID SEPARATION COLUMN CONTAINING A DISPENSING DEVICE [patent_app_type] => utility [patent_app_number] => 17/009592 [patent_app_country] => US [patent_app_date] => 2020-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 457 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17009592 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/009592
Gas/liquid separation column containing a dispensing device Aug 31, 2020 Issued
Array ( [id] => 16841190 [patent_doc_number] => 11013247 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Apparatuses, systems, and methods for inline injection of gases into liquids [patent_app_type] => utility [patent_app_number] => 16/995367 [patent_app_country] => US [patent_app_date] => 2020-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 6733 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16995367 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/995367
Apparatuses, systems, and methods for inline injection of gases into liquids Aug 16, 2020 Issued
Array ( [id] => 17895764 [patent_doc_number] => 20220305426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => DEVICE FOR SEPARATING SUB-MICRON PARTICLES IN THE AIR [patent_app_type] => utility [patent_app_number] => 17/424471 [patent_app_country] => US [patent_app_date] => 2020-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 600 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17424471 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/424471
Device for separating sub-micron particles in the air Aug 3, 2020 Issued
Array ( [id] => 17836745 [patent_doc_number] => 20220274050 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-01 [patent_title] => METHOD FOR TREATING GAS BY ADSORPTION USING THERMALLY OPTIMISED HOT FLASH SOLVENT REGENERATION [patent_app_type] => utility [patent_app_number] => 17/632850 [patent_app_country] => US [patent_app_date] => 2020-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5454 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 377 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17632850 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/632850
METHOD FOR TREATING GAS BY ADSORPTION USING THERMALLY OPTIMISED HOT FLASH SOLVENT REGENERATION Jul 28, 2020 Pending
Array ( [id] => 17171389 [patent_doc_number] => 20210325059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => Air Conditioner for Paint Booth [patent_app_type] => utility [patent_app_number] => 17/272480 [patent_app_country] => US [patent_app_date] => 2020-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3778 [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] => 17272480 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/272480
Air conditioner for paint booth Jul 27, 2020 Issued
Array ( [id] => 16612483 [patent_doc_number] => 20210031136 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => CARBON DIOXIDE CAPTURE SYSTEM AND METHOD OF OPERATING CARBON DIOXIDE CAPTURE SYSTEM [patent_app_type] => utility [patent_app_number] => 16/937729 [patent_app_country] => US [patent_app_date] => 2020-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14858 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16937729 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/937729
CARBON DIOXIDE CAPTURE SYSTEM AND METHOD OF OPERATING CARBON DIOXIDE CAPTURE SYSTEM Jul 23, 2020 Pending
Array ( [id] => 17666141 [patent_doc_number] => 11359826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-14 [patent_title] => Humidifier with flow control arrangement [patent_app_type] => utility [patent_app_number] => 16/901958 [patent_app_country] => US [patent_app_date] => 2020-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4110 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16901958 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/901958
Humidifier with flow control arrangement Jun 14, 2020 Issued
Array ( [id] => 19242722 [patent_doc_number] => 12013150 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Air humidification and purification device [patent_app_type] => utility [patent_app_number] => 17/618719 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 8638 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17618719 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/618719
Air humidification and purification device Jun 11, 2020 Issued
Array ( [id] => 19883297 [patent_doc_number] => 12268983 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-08 [patent_title] => Adsorber structure for gas separation processes [patent_app_type] => utility [patent_app_number] => 17/601749 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 11508 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 445 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17601749 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/601749
Adsorber structure for gas separation processes Jun 11, 2020 Issued
Array ( [id] => 18412329 [patent_doc_number] => 11666857 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Glycol dehydration units and methods [patent_app_type] => utility [patent_app_number] => 16/894595 [patent_app_country] => US [patent_app_date] => 2020-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4743 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16894595 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/894595
Glycol dehydration units and methods Jun 4, 2020 Issued
Array ( [id] => 16313162 [patent_doc_number] => 20200291900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => CHARGE FORMING DEVICE WITH ADJUSTABLE VALVE LIMITER [patent_app_type] => utility [patent_app_number] => 16/887055 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10757 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16887055 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/887055
Charge forming device with adjustable valve limiter May 28, 2020 Issued
Array ( [id] => 19737499 [patent_doc_number] => 12214313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Method for recovering carbon dioxide gas and other gases [patent_app_type] => utility [patent_app_number] => 17/613877 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 16914 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 288 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17613877 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/613877
Method for recovering carbon dioxide gas and other gases May 25, 2020 Issued
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