
Bryan Matthew Lettman
Examiner (ID: 520, Phone: (571)270-7860 , Office: P/3746 )
| Most Active Art Unit | 3746 |
| Art Unit(s) | 3746 |
| Total Applications | 1155 |
| Issued Applications | 749 |
| Pending Applications | 92 |
| Abandoned Applications | 346 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
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[patent_doc_number] => 20250230759
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[patent_title] => CO2 POWER CYCLE WITH ADIABATIC COMPRESSION
[patent_app_type] => utility
[patent_app_number] => 19/074703
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Array
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Array
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[patent_title] => METHOD FOR STARTING A POWER SYSTEM
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Array
(
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[patent_doc_number] => 20250250957
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[patent_issue_date] => 2025-08-07
[patent_title] => WAVE HAMMER GENERATOR
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/043492 | WAVE HAMMER GENERATOR | Feb 1, 2025 | Pending |
| 19/100487 | HEAT ENGINE USING A LIQUID-VAPOR-PHASE-CHANGING MATERIAL | Jan 30, 2025 | Pending |
| 18/997464 | TURBINE | Jan 20, 2025 | Pending |
Array
(
[id] => 20100876
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[patent_issue_date] => 2025-07-17
[patent_title] => SCROLL DEVICE WITH TIP SEALS AND BACKUP SEALS
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[patent_app_number] => 19/020627
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/020627 | SCROLL DEVICE WITH TIP SEALS AND BACKUP SEALS | Jan 13, 2025 | Pending |
| 18/993917 | EXHAUST GAS AFTERTREATMENT SYSTEM IN AN EXHAUST GAS SYSTEM OF AN AMMONIA COMBUSTION ENGINE, METHOD AND USE THEREOF | Jan 12, 2025 | Pending |
Array
(
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[patent_doc_number] => 20250146487
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[patent_title] => FLOATING-TYPE OIL-FREE VACUUM SCROLL COMPRESSOR
[patent_app_type] => utility
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Array
(
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[patent_issue_date] => 2025-05-01
[patent_title] => DEVICE FOR CONVERSION OF WAVE ENERGY INTO ELECTRICAL ENERGY
[patent_app_type] => utility
[patent_app_number] => 19/011170
[patent_app_country] => US
[patent_app_date] => 2025-01-06
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[rel_patent_id] =>[rel_patent_doc_number] =>) 19/011170 | DEVICE FOR CONVERSION OF WAVE ENERGY INTO ELECTRICAL ENERGY | Jan 5, 2025 | Pending |
| 18/881473 | FLUE GAS TREATMENT DEVICE AND DESIGN METHOD OF FLUE GAS TREATMENT DEVICE | Jan 5, 2025 | Pending |
Array
(
[id] => 20069308
[patent_doc_number] => 20250207530
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[patent_issue_date] => 2025-06-26
[patent_title] => DEVICE FOR GENERATING ENERGY FROM COMPRESSED AIR, SYSTEM HAVING SUCH A DEVICE AND METHOD FOR OPERATING THE SYSTEM
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[patent_app_number] => 18/978282
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Array
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[patent_title] => Turbine engine with a blade having woven core and toughened region
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Array
(
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[patent_doc_number] => 20250084772
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[patent_title] => TURBINE WITH BIASED NOZZLE VANE MEMBERS
[patent_app_type] => utility
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/959629 | Turbine with biased nozzle vane members | Nov 25, 2024 | Issued |
Array
(
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[patent_title] => BEARING BLOCK FOR A GEAR PUMP ASSEMBLY
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Array
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Array
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Array
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Array
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Array
(
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[patent_title] => HIGH-EFFICIENCY SINE ROTARY ENGINE
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[rel_patent_id] =>[rel_patent_doc_number] =>) 18/934216 | High-efficiency sine rotary engine | Oct 30, 2024 | Issued |