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] => 16015305 [patent_doc_number] => 20200182495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => AIR PURIFICATION DEVICE AND METHOD FOR CONTROLLING SAME [patent_app_type] => utility [patent_app_number] => 16/628378 [patent_app_country] => US [patent_app_date] => 2018-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16628378 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/628378
Air purification device and method for controlling same Jul 18, 2018 Issued
Array ( [id] => 14029979 [patent_doc_number] => 10226724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-12 [patent_title] => Dust collector with a constant suction force [patent_app_type] => utility [patent_app_number] => 16/032900 [patent_app_country] => US [patent_app_date] => 2018-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 11070 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16032900 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/032900
Dust collector with a constant suction force Jul 10, 2018 Issued
Array ( [id] => 13989221 [patent_doc_number] => 20190063768 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => HUMIDIFIER AND FLOAT BLOCK FOR HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 16/013959 [patent_app_country] => US [patent_app_date] => 2018-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2328 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 35 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16013959 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/013959
Humidifier and float block for humidifier Jun 20, 2018 Issued
Array ( [id] => 16010041 [patent_doc_number] => 20200179863 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => A SCRUBBER FOR CLEANING OF A GAS [patent_app_type] => utility [patent_app_number] => 16/628600 [patent_app_country] => US [patent_app_date] => 2018-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16628600 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/628600
Scrubber for cleaning of a gas Jun 18, 2018 Issued
Array ( [id] => 16853849 [patent_doc_number] => 20210154594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => LIQUID DISTRIBUTOR FOR A SEPARATION DEVICE COMPRISING A SCREEN MADE OF A CARBON COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/624534 [patent_app_country] => US [patent_app_date] => 2018-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4561 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16624534 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/624534
LIQUID DISTRIBUTOR FOR A SEPARATION DEVICE COMPRISING A SCREEN MADE OF A CARBON COMPOSITE MATERIAL Jun 11, 2018 Pending
Array ( [id] => 15238191 [patent_doc_number] => 20190373881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-12 [patent_title] => PEST-PREVENTING BRACELET [patent_app_type] => utility [patent_app_number] => 16/006626 [patent_app_country] => US [patent_app_date] => 2018-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1618 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16006626 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/006626
PEST-PREVENTING BRACELET Jun 11, 2018 Abandoned
Array ( [id] => 16823088 [patent_doc_number] => 20210138381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => AIR FILTER CLEANER PROCESSING [patent_app_type] => utility [patent_app_number] => 17/044462 [patent_app_country] => US [patent_app_date] => 2018-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2989 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17044462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/044462
AIR FILTER CLEANER PROCESSING May 15, 2018 Pending
Array ( [id] => 13842861 [patent_doc_number] => 20190024915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => HUMIDIFIER TO WHICH WATER IS SUPPLIED FROM THE TOP [patent_app_type] => utility [patent_app_number] => 15/978482 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7522 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15978482 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978482
Humidifier to which water is supplied from the top May 13, 2018 Issued
Array ( [id] => 14899087 [patent_doc_number] => 20190293309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-09-26 [patent_title] => HUMIDIFIER [patent_app_type] => utility [patent_app_number] => 15/978421 [patent_app_country] => US [patent_app_date] => 2018-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7547 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15978421 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/978421
Humidifier May 13, 2018 Issued
Array ( [id] => 17571895 [patent_doc_number] => 11320158 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Multifunctional circulation system enabling purification of outside air [patent_app_type] => utility [patent_app_number] => 16/609139 [patent_app_country] => US [patent_app_date] => 2018-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6761 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16609139 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/609139
Multifunctional circulation system enabling purification of outside air May 10, 2018 Issued
Array ( [id] => 16785952 [patent_doc_number] => 10988364 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-27 [patent_title] => Carbonation tank assembly [patent_app_type] => utility [patent_app_number] => 15/975201 [patent_app_country] => US [patent_app_date] => 2018-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4191 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15975201 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/975201
Carbonation tank assembly May 8, 2018 Issued
Array ( [id] => 13549641 [patent_doc_number] => 20180326368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => SYSTEM AND METHOD FOR STABLY INFUSING GAS INTO LIQUID, AND FOR DELIVERING THE STABILIZED GAS-INFUSED LIQUID INTO ANOTHER LIQUID [patent_app_type] => utility [patent_app_number] => 15/969862 [patent_app_country] => US [patent_app_date] => 2018-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10857 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15969862 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/969862
SYSTEM AND METHOD FOR STABLY INFUSING GAS INTO LIQUID, AND FOR DELIVERING THE STABILIZED GAS-INFUSED LIQUID INTO ANOTHER LIQUID May 2, 2018 Abandoned
Array ( [id] => 17489554 [patent_doc_number] => 11278835 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Continuously regenerable media purifier [patent_app_type] => utility [patent_app_number] => 15/962853 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 19 [patent_no_of_words] => 3312 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 386 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15962853 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962853
Continuously regenerable media purifier Apr 24, 2018 Issued
Array ( [id] => 16736653 [patent_doc_number] => 10962291 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-30 [patent_title] => Method, device and system for regulating climate [patent_app_type] => utility [patent_app_number] => 15/963085 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6935 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 480 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15963085 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/963085
Method, device and system for regulating climate Apr 24, 2018 Issued
Array ( [id] => 15928769 [patent_doc_number] => 20200156018 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => FINE BUBBLE GENERATING METHOD AND FINE BUBBLE GENERATING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/615377 [patent_app_country] => US [patent_app_date] => 2018-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10634 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16615377 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/615377
FINE BUBBLE GENERATING METHOD AND FINE BUBBLE GENERATING APPARATUS Apr 23, 2018 Abandoned
Array ( [id] => 14991631 [patent_doc_number] => 20190314773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-17 [patent_title] => WATER CARBONATION INFUSION PUMPS [patent_app_type] => utility [patent_app_number] => 15/953463 [patent_app_country] => US [patent_app_date] => 2018-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2243 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15953463 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/953463
WATER CARBONATION INFUSION PUMPS Apr 14, 2018 Abandoned
Array ( [id] => 13345197 [patent_doc_number] => 20180224138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-09 [patent_title] => HUMIDIFICATION SYSTEM [patent_app_type] => utility [patent_app_number] => 15/946906 [patent_app_country] => US [patent_app_date] => 2018-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15946906 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/946906
Humidification system Apr 5, 2018 Issued
Array ( [id] => 17178252 [patent_doc_number] => 11155482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Apparatus and method for aerating wastewater [patent_app_type] => utility [patent_app_number] => 15/945188 [patent_app_country] => US [patent_app_date] => 2018-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5296 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15945188 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/945188
Apparatus and method for aerating wastewater Apr 3, 2018 Issued
Array ( [id] => 18979107 [patent_doc_number] => 11904262 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-20 [patent_title] => Vapor-liquid contacting apparatus and process with cross contacting [patent_app_type] => utility [patent_app_number] => 15/940832 [patent_app_country] => US [patent_app_date] => 2018-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 6888 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15940832 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/940832
Vapor-liquid contacting apparatus and process with cross contacting Mar 28, 2018 Issued
Array ( [id] => 14926965 [patent_doc_number] => 20190299120 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => VAPOR-LIQUID CONTACTING APPARATUS AND PROCESS WITH OFFSET CONTACTING MODULES [patent_app_type] => utility [patent_app_number] => 15/940883 [patent_app_country] => US [patent_app_date] => 2018-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15940883 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/940883
Vapor-liquid contacting apparatus and process with offset contacting modules Mar 28, 2018 Issued
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