Search

Duane Smith

Examiner (ID: 745)

Most Active Art Unit
1724
Art Unit(s)
1737, 1700, 1759, 1776, 3621, 1305, 1724, 1797
Total Applications
1356
Issued Applications
1012
Pending Applications
135
Abandoned Applications
216

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20129341 [patent_doc_number] => 12371645 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Selective membrane-driven gas transfer device and methods [patent_app_type] => utility [patent_app_number] => 18/905320 [patent_app_country] => US [patent_app_date] => 2024-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 49 [patent_no_of_words] => 12410 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18905320 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/905320
Selective membrane-driven gas transfer device and methods Oct 2, 2024 Issued
Array ( [id] => 19605217 [patent_doc_number] => 20240396097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => IMPROVED MEMBRANES, CALENDERED MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 18/743035 [patent_app_country] => US [patent_app_date] => 2024-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15710 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 18743035 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743035
IMPROVED MEMBRANES, CALENDERED MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND RELATED METHODS Jun 12, 2024 Pending
Array ( [id] => 20714400 [patent_doc_number] => 12629625 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Compressor system and filter housing [patent_app_type] => utility [patent_app_number] => 18/654408 [patent_app_country] => US [patent_app_date] => 2024-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18654408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/654408
Compressor system and filter housing May 2, 2024 Issued
Array ( [id] => 20255133 [patent_doc_number] => 12427467 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-30 [patent_title] => Arched air filter [patent_app_type] => utility [patent_app_number] => 18/643101 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 20 [patent_no_of_words] => 2329 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18643101 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643101
Arched air filter Apr 22, 2024 Issued
Array ( [id] => 19388301 [patent_doc_number] => 20240278171 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS [patent_app_type] => utility [patent_app_number] => 18/597184 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7938 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 9 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597184
GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS Mar 5, 2024 Abandoned
Array ( [id] => 20149564 [patent_doc_number] => 20250249402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => SYSTEMS AND METHODS FOR ELIMINATING FLARING IN AMINE SWEETENING [patent_app_type] => utility [patent_app_number] => 18/432283 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432283 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432283
SYSTEMS AND METHODS FOR ELIMINATING FLARING IN AMINE SWEETENING Feb 4, 2024 Pending
Array ( [id] => 19171338 [patent_doc_number] => 20240157312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => SYSTEM AND METHOD FOR THE TREATMENT OF BIOGAS AND WASTEWATER [patent_app_type] => utility [patent_app_number] => 18/421092 [patent_app_country] => US [patent_app_date] => 2024-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12652 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18421092 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/421092
System and method for the treatment of biogas and wastewater Jan 23, 2024 Issued
Array ( [id] => 20770474 [patent_doc_number] => 12654126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-16 [patent_title] => 4-stage membrane process with sweep for biogas upgrading [patent_app_type] => utility [patent_app_number] => 18/413323 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3414 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18413323 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413323
4-stage membrane process with sweep for biogas upgrading Jan 15, 2024 Issued
Array ( [id] => 19529229 [patent_doc_number] => 20240353131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-24 [patent_title] => PRESSURIZED ODOR CONTAINMENT AND ELIMINATION DEVICE [patent_app_type] => utility [patent_app_number] => 18/519684 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9503 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18519684 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/519684
PRESSURIZED ODOR CONTAINMENT AND ELIMINATION DEVICE Nov 26, 2023 Abandoned
Array ( [id] => 20263891 [patent_doc_number] => 12434865 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Workstation for microgravity environments [patent_app_type] => utility [patent_app_number] => 18/457272 [patent_app_country] => US [patent_app_date] => 2023-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 39 [patent_no_of_words] => 4516 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [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] => 18457272 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/457272
Workstation for microgravity environments Aug 27, 2023 Issued
Array ( [id] => 19477916 [patent_doc_number] => 20240325958 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => Filter Apparatus, Transport Device, and Painting Apparatus [patent_app_type] => utility [patent_app_number] => 18/575380 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5707 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18575380 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/575380
Filter Apparatus, Transport Device, and Painting Apparatus May 24, 2023 Pending
Array ( [id] => 20432688 [patent_doc_number] => 12502630 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Air purifier [patent_app_type] => utility [patent_app_number] => 18/318782 [patent_app_country] => US [patent_app_date] => 2023-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 346 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18318782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/318782
Air purifier May 16, 2023 Issued
Array ( [id] => 18726693 [patent_doc_number] => 20230340974 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => AIR PROCESSING UNIT, AIR MANAGING SYSTEM, PNEUMATIC SYSTEM AND VEHICLE [patent_app_type] => utility [patent_app_number] => 18/137585 [patent_app_country] => US [patent_app_date] => 2023-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 318 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18137585 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/137585
Air processing unit, air managing system, pneumatic system and vehicle Apr 20, 2023 Issued
Array ( [id] => 18656496 [patent_doc_number] => 20230302395 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-28 [patent_title] => MEMBRANE-BASED DESORPTION COOLING METHOD FOR PASSIVE THERMAL MANAGEMENT [patent_app_type] => utility [patent_app_number] => 18/183184 [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] => 3972 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18183184 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/183184
Membrane-based desorption cooling method for passive thermal management Mar 13, 2023 Issued
Array ( [id] => 18359351 [patent_doc_number] => 20230140942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => PRESSURE REGULATOR AND METHOD FOR REGULATING THE SAME [patent_app_type] => utility [patent_app_number] => 17/977692 [patent_app_country] => US [patent_app_date] => 2022-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17977692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/977692
Pressure regulator and method for regulating the same Oct 30, 2022 Issued
Array ( [id] => 20239913 [patent_doc_number] => 12420217 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Air trapping device and nozzle therefore [patent_app_type] => utility [patent_app_number] => 17/938303 [patent_app_country] => US [patent_app_date] => 2022-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 15 [patent_no_of_words] => 0 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17938303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/938303
Air trapping device and nozzle therefore Oct 4, 2022 Issued
Array ( [id] => 20401500 [patent_doc_number] => 12491460 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-09 [patent_title] => Duct mounted filtering apparatus [patent_app_type] => utility [patent_app_number] => 17/953906 [patent_app_country] => US [patent_app_date] => 2022-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17953906 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/953906
Duct mounted filtering apparatus Sep 26, 2022 Issued
Array ( [id] => 20371503 [patent_doc_number] => 12478920 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Storage and delivery vessels and related methods [patent_app_type] => utility [patent_app_number] => 17/945849 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3953 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/945849
Storage and delivery vessels and related methods Sep 14, 2022 Issued
Array ( [id] => 20371503 [patent_doc_number] => 12478920 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Storage and delivery vessels and related methods [patent_app_type] => utility [patent_app_number] => 17/945849 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3953 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/945849
Storage and delivery vessels and related methods Sep 14, 2022 Issued
Array ( [id] => 20371503 [patent_doc_number] => 12478920 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Storage and delivery vessels and related methods [patent_app_type] => utility [patent_app_number] => 17/945849 [patent_app_country] => US [patent_app_date] => 2022-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 3953 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945849 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/945849
Storage and delivery vessels and related methods Sep 14, 2022 Issued
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