Search

Ket D. Dang

Examiner (ID: 5552, Phone: (571)270-7827 , Office: P/3742 )

Most Active Art Unit
3742
Art Unit(s)
3761, 3742
Total Applications
701
Issued Applications
410
Pending Applications
40
Abandoned Applications
261

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20536558 [patent_doc_number] => 12553628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => Surgical smoke treatment system for polar and nonpolar gases [patent_app_type] => utility [patent_app_number] => 18/184758 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4131 [patent_no_of_claims] => 58 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18184758 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/184758
Surgical smoke treatment system for polar and nonpolar gases Mar 15, 2023 Issued
Array ( [id] => 18574567 [patent_doc_number] => 11731074 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-22 [patent_title] => Reusable, air cleaning device filled with granular, activated carbon [patent_app_type] => utility [patent_app_number] => 18/122521 [patent_app_country] => US [patent_app_date] => 2023-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 2907 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 372 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18122521 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/122521
Reusable, air cleaning device filled with granular, activated carbon Mar 15, 2023 Issued
Array ( [id] => 20592690 [patent_doc_number] => 12576387 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Porous metal-organic framework, method for producing the same, adsorbent, and method for separating carbon dioxide [patent_app_type] => utility [patent_app_number] => 18/183525 [patent_app_country] => US [patent_app_date] => 2023-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183525 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183525
Porous metal-organic framework, method for producing the same, adsorbent, and method for separating carbon dioxide Mar 13, 2023 Issued
Array ( [id] => 18831298 [patent_doc_number] => 20230399824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => ATMOSPHERIC WATER HARVESTING DEVICE BASED ON A SEMICONDUCTOR CHILLING PLATE AND A PREPARATION METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/120390 [patent_app_country] => US [patent_app_date] => 2023-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4056 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18120390 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/120390
Atmospheric water harvesting device based on a semiconductor chilling plate and a preparation method thereof Mar 10, 2023 Issued
Array ( [id] => 18635192 [patent_doc_number] => 11759765 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-19 [patent_title] => Methods of making and using a composite material, for dehydration of gases [patent_app_type] => utility [patent_app_number] => 18/119476 [patent_app_country] => US [patent_app_date] => 2023-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2457 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18119476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/119476
Methods of making and using a composite material, for dehydration of gases Mar 8, 2023 Issued
Array ( [id] => 18551120 [patent_doc_number] => 20230249122 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => PORTABLE PRESSURE SWING ADSORPTION SYSTEM AND METHOD FOR FUEL GAS CONDITIONING [patent_app_type] => utility [patent_app_number] => 18/180768 [patent_app_country] => US [patent_app_date] => 2023-03-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15420 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18180768 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/180768
Portable pressure swing adsorption system and method for fuel gas conditioning Mar 7, 2023 Issued
Array ( [id] => 20212769 [patent_doc_number] => 12409405 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-09 [patent_title] => System and method for passive collection of atmospheric carbon dioxide with enhanced air flow [patent_app_type] => utility [patent_app_number] => 18/178261 [patent_app_country] => US [patent_app_date] => 2023-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 4454 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18178261 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/178261
System and method for passive collection of atmospheric carbon dioxide with enhanced air flow Mar 2, 2023 Issued
Array ( [id] => 19521905 [patent_doc_number] => 12123618 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Dehumidifying air handling unit and desiccant wheel therefor [patent_app_type] => utility [patent_app_number] => 18/175230 [patent_app_country] => US [patent_app_date] => 2023-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 7091 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [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] => 18175230 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/175230
Dehumidifying air handling unit and desiccant wheel therefor Feb 26, 2023 Issued
Array ( [id] => 18581883 [patent_doc_number] => 20230264138 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => SYSTEM AND METHOD FOR DIRECT AIR CAPTURE OF WATER AND CO2 [patent_app_type] => utility [patent_app_number] => 18/112314 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4400 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18112314 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/112314
SYSTEM AND METHOD FOR DIRECT AIR CAPTURE OF WATER AND CO2 Feb 20, 2023 Pending
Array ( [id] => 19472704 [patent_doc_number] => 12102767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => O2 concentrator with sieve bed bypass and control method thereof [patent_app_type] => utility [patent_app_number] => 18/109560 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12070 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [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] => 18109560 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109560
O2 concentrator with sieve bed bypass and control method thereof Feb 13, 2023 Issued
Array ( [id] => 18551124 [patent_doc_number] => 20230249126 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-10 [patent_title] => EXHAUST GAS TREATMENT SYSTEM FOR AN AMMONIA-CONTAINING EXHAUST GAS [patent_app_type] => utility [patent_app_number] => 18/163940 [patent_app_country] => US [patent_app_date] => 2023-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5755 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18163940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/163940
Exhaust gas treatment system for an ammonia-containing exhaust gas Feb 2, 2023 Issued
Array ( [id] => 20401505 [patent_doc_number] => 12491465 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Apparatus and process for removal of heavy hydrocarbons from a feed gas [patent_app_type] => utility [patent_app_number] => 18/101211 [patent_app_country] => US [patent_app_date] => 2023-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3669 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18101211 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/101211
Apparatus and process for removal of heavy hydrocarbons from a feed gas Jan 24, 2023 Issued
Array ( [id] => 19331596 [patent_doc_number] => 20240246026 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-25 [patent_title] => Atmospheric Water Harvester Having Subcooler Heat Exchanger [patent_app_type] => utility [patent_app_number] => 18/098879 [patent_app_country] => US [patent_app_date] => 2023-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18098879 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/098879
Atmospheric water harvester having subcooler heat exchanger Jan 18, 2023 Issued
Array ( [id] => 19209831 [patent_doc_number] => 11998870 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-04 [patent_title] => Method of capturing carbon dioxide using carbide slag [patent_app_type] => utility [patent_app_number] => 18/097832 [patent_app_country] => US [patent_app_date] => 2023-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 19 [patent_no_of_words] => 6328 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18097832 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/097832
Method of capturing carbon dioxide using carbide slag Jan 16, 2023 Issued
Array ( [id] => 18374769 [patent_doc_number] => 20230149848 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-18 [patent_title] => EFFICIENT USE OF ADSORBENTS FOR INDOOR AIR SCRUBBING [patent_app_type] => utility [patent_app_number] => 18/092823 [patent_app_country] => US [patent_app_date] => 2023-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11993 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -35 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18092823 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/092823
EFFICIENT USE OF ADSORBENTS FOR INDOOR AIR SCRUBBING Jan 2, 2023 Abandoned
Array ( [id] => 18392294 [patent_doc_number] => 20230160513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => COMPACT PORTABLE OXYGEN CONCENTRATOR [patent_app_type] => utility [patent_app_number] => 18/147657 [patent_app_country] => US [patent_app_date] => 2022-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16919 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18147657 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/147657
Compact portable oxygen concentrator Dec 27, 2022 Issued
Array ( [id] => 18649196 [patent_doc_number] => 20230294982 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-21 [patent_title] => TRACE NICKEL-COMPOUNDED LAYERED MAGNESIUM COMPOSITE MATERIAL AND PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/145117 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4888 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18145117 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/145117
Trace nickel-compounded layered magnesium composite material and preparation method and use thereof Dec 21, 2022 Issued
Array ( [id] => 19870601 [patent_doc_number] => 12263441 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => System composed of an apparatus for treating a fluid, a handheld device and a method for operating such a system [patent_app_type] => utility [patent_app_number] => 18/087628 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4771 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 347 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18087628 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/087628
System composed of an apparatus for treating a fluid, a handheld device and a method for operating such a system Dec 21, 2022 Issued
Array ( [id] => 18603673 [patent_doc_number] => 11745117 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-09-05 [patent_title] => Atmospheric water harvesting generator [patent_app_type] => utility [patent_app_number] => 18/086677 [patent_app_country] => US [patent_app_date] => 2022-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 6577 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18086677 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/086677
Atmospheric water harvesting generator Dec 21, 2022 Issued
Array ( [id] => 19368737 [patent_doc_number] => 12060813 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Systems for generating water with waste heat and related methods therefor [patent_app_type] => utility [patent_app_number] => 18/085456 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 11028 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085456
Systems for generating water with waste heat and related methods therefor Dec 19, 2022 Issued
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