
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[patent_no_of_words] => 12410
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Array
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[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
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[patent_app_date] => 2024-06-13
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Array
(
[id] => 20714400
[patent_doc_number] => 12629625
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[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
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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
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Array
(
[id] => 19388301
[patent_doc_number] => 20240278171
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[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
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Array
(
[id] => 20149564
[patent_doc_number] => 20250249402
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[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
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Array
(
[id] => 19171338
[patent_doc_number] => 20240157312
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[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
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[patent_app_date] => 2024-01-24
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[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
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[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
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[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
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[patent_app_date] => 2023-11-27
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[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
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[patent_title] => Workstation for microgravity environments
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/457272 | Workstation for microgravity environments | Aug 27, 2023 | Issued |
Array
(
[id] => 19477916
[patent_doc_number] => 20240325958
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[patent_issue_date] => 2024-10-03
[patent_title] => Filter Apparatus, Transport Device, and Painting Apparatus
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Array
(
[id] => 20432688
[patent_doc_number] => 12502630
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[patent_title] => Air purifier
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Array
(
[id] => 18726693
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Array
(
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[patent_title] => MEMBRANE-BASED DESORPTION COOLING METHOD FOR PASSIVE THERMAL MANAGEMENT
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Array
(
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[patent_title] => PRESSURE REGULATOR AND METHOD FOR REGULATING THE SAME
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[rel_patent_id] =>[rel_patent_doc_number] =>) 17/977692 | Pressure regulator and method for regulating the same | Oct 30, 2022 | Issued |
Array
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Array
(
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Array
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