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] => 17562080 [patent_doc_number] => 20220126229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => FILTER SEAL ASSEMBLY AND SYSTEM [patent_app_type] => utility [patent_app_number] => 17/429223 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9361 [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] => 17429223 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/429223
FILTER SEAL ASSEMBLY AND SYSTEM Feb 6, 2020 Pending
Array ( [id] => 18964942 [patent_doc_number] => 11898699 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process [patent_app_type] => utility [patent_app_number] => 17/279491 [patent_app_country] => US [patent_app_date] => 2020-02-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 21 [patent_no_of_words] => 6050 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17279491 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/279491
Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process Feb 5, 2020 Issued
Array ( [id] => 18747380 [patent_doc_number] => 11806671 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-07 [patent_title] => Separation processes and units via minimal surface area mass and heat transfer packing [patent_app_type] => utility [patent_app_number] => 16/781627 [patent_app_country] => US [patent_app_date] => 2020-02-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 9148 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16781627 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/781627
Separation processes and units via minimal surface area mass and heat transfer packing Feb 3, 2020 Issued
Array ( [id] => 16205239 [patent_doc_number] => 20200238229 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => WASTEWATER TREATMENT WITH INDEPENDENTLY CONTROLLED AERATION AND MIXING [patent_app_type] => utility [patent_app_number] => 16/751513 [patent_app_country] => US [patent_app_date] => 2020-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1714 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16751513 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/751513
WASTEWATER TREATMENT WITH INDEPENDENTLY CONTROLLED AERATION AND MIXING Jan 23, 2020 Abandoned
Array ( [id] => 19910570 [patent_doc_number] => 12286773 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Atmospheric water generator [patent_app_type] => utility [patent_app_number] => 17/421465 [patent_app_country] => US [patent_app_date] => 2020-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17421465 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/421465
Atmospheric water generator Jan 7, 2020 Issued
Array ( [id] => 17890065 [patent_doc_number] => 11453012 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Salt lamp humidifier [patent_app_type] => utility [patent_app_number] => 16/732901 [patent_app_country] => US [patent_app_date] => 2020-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 2961 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16732901 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/732901
Salt lamp humidifier Jan 1, 2020 Issued
Array ( [id] => 19151939 [patent_doc_number] => 11976845 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Humidifier [patent_app_type] => utility [patent_app_number] => 17/420532 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6242 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 316 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17420532 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/420532
Humidifier Dec 25, 2019 Issued
Array ( [id] => 17519604 [patent_doc_number] => 20220105452 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => FILTER PLEAT PACK AND AIR FILTER UNIT [patent_app_type] => utility [patent_app_number] => 17/417520 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10642 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 17417520 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417520
FILTER PLEAT PACK AND AIR FILTER UNIT Dec 22, 2019 Abandoned
Array ( [id] => 17519625 [patent_doc_number] => 20220105473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => FILTER PLEAT PACK AND AIR FILTER UNIT [patent_app_type] => utility [patent_app_number] => 17/417527 [patent_app_country] => US [patent_app_date] => 2019-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8069 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417527 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417527
FILTER PLEAT PACK AND AIR FILTER UNIT Dec 22, 2019 Abandoned
Array ( [id] => 19737503 [patent_doc_number] => 12214317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Membrane humidifier for fuel cell, comprising multi-channel hollow fiber membranes [patent_app_type] => utility [patent_app_number] => 17/417767 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4093 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17417767 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417767
Membrane humidifier for fuel cell, comprising multi-channel hollow fiber membranes Dec 19, 2019 Issued
Array ( [id] => 17442282 [patent_doc_number] => 20220062787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-03 [patent_title] => CONDENSATION DEVICE COMPRISING A STIRRER IN A CHAMBER FOR COLLECTING THE CONDENSATE [patent_app_type] => utility [patent_app_number] => 17/416408 [patent_app_country] => US [patent_app_date] => 2019-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9229 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416408
Condensation device comprising a stirrer in a chamber for collecting the condensate Dec 17, 2019 Issued
Array ( [id] => 19904817 [patent_doc_number] => 12281815 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-22 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/418187 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 59 [patent_no_of_words] => 22321 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418187
Air treatment apparatus Dec 16, 2019 Issued
Array ( [id] => 19580578 [patent_doc_number] => 12146683 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/418086 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 59 [patent_no_of_words] => 27462 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418086 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418086
Air treatment apparatus Dec 16, 2019 Issued
Array ( [id] => 20303160 [patent_doc_number] => 12449145 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-21 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/418195 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 59 [patent_no_of_words] => 22336 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418195 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418195
Air treatment apparatus Dec 16, 2019 Issued
Array ( [id] => 19923759 [patent_doc_number] => 12298033 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/418149 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 59 [patent_no_of_words] => 22361 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418149 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418149
Air treatment apparatus Dec 16, 2019 Issued
Array ( [id] => 17459142 [patent_doc_number] => 20220072446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => Apparatus and Method for heat treating a feedstock comprising a lipid material [patent_app_type] => utility [patent_app_number] => 17/417253 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5966 [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] => 17417253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417253
Apparatus and method for heat treating a feedstock comprising a lipid material Dec 16, 2019 Issued
Array ( [id] => 20549556 [patent_doc_number] => 12560341 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Air treatment apparatus [patent_app_type] => utility [patent_app_number] => 17/418099 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 59 [patent_no_of_words] => 22405 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418099 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418099
Air treatment apparatus Dec 16, 2019 Issued
Array ( [id] => 17461305 [patent_doc_number] => 20220074610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => AIR TREATMENT APPARATUS [patent_app_type] => utility [patent_app_number] => 17/418056 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18695 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17418056 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/418056
AIR TREATMENT APPARATUS Dec 16, 2019 Abandoned
Array ( [id] => 17459153 [patent_doc_number] => 20220072457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH [patent_app_type] => utility [patent_app_number] => 17/414732 [patent_app_country] => US [patent_app_date] => 2019-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6338 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17414732 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/414732
VACUUM CLEANER FILTER BAG HAVING IMPROVED WELD SEAM STRENGTH Dec 15, 2019 Pending
Array ( [id] => 16899189 [patent_doc_number] => 20210178105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => ANION FALL GENERATING DEVICE AND METHOD [patent_app_type] => utility [patent_app_number] => 16/714773 [patent_app_country] => US [patent_app_date] => 2019-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16714773 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/714773
ANION FALL GENERATING DEVICE AND METHOD Dec 14, 2019 Abandoned
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