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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 numberTitle of the applicationFiling DateStatus
Array ( [id] => 20100823 [patent_doc_number] => 20250230759 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => CO2 POWER CYCLE WITH ADIABATIC COMPRESSION [patent_app_type] => utility [patent_app_number] => 19/074703 [patent_app_country] => US [patent_app_date] => 2025-03-10 [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] => -17 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19074703 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/074703
CO2 POWER CYCLE WITH ADIABATIC COMPRESSION Mar 9, 2025 Pending
Array ( [id] => 20227616 [patent_doc_number] => 12416260 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Turbine engine including a steam system [patent_app_type] => utility [patent_app_number] => 19/066697 [patent_app_country] => US [patent_app_date] => 2025-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 9610 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 351 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19066697 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/066697
Turbine engine including a steam system Feb 27, 2025 Issued
Array ( [id] => 20207757 [patent_doc_number] => 20250277477 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-04 [patent_title] => METHOD FOR STARTING A POWER SYSTEM [patent_app_type] => utility [patent_app_number] => 19/065256 [patent_app_country] => US [patent_app_date] => 2025-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 419 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19065256 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/065256
METHOD FOR STARTING A POWER SYSTEM Feb 26, 2025 Pending
Array ( [id] => 20151119 [patent_doc_number] => 20250250957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-07 [patent_title] => WAVE HAMMER GENERATOR [patent_app_type] => utility [patent_app_number] => 19/043492 [patent_app_country] => US [patent_app_date] => 2025-02-02 [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] => -12 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19043492 [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 [patent_doc_number] => 20250230812 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-17 [patent_title] => SCROLL DEVICE WITH TIP SEALS AND BACKUP SEALS [patent_app_type] => utility [patent_app_number] => 19/020627 [patent_app_country] => US [patent_app_date] => 2025-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2436 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19020627 [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 ( [id] => 20008265 [patent_doc_number] => 20250146487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => FLOATING-TYPE OIL-FREE VACUUM SCROLL COMPRESSOR [patent_app_type] => utility [patent_app_number] => 19/018214 [patent_app_country] => US [patent_app_date] => 2025-01-13 [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] => -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] => 19018214 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/018214
FLOATING-TYPE OIL-FREE VACUUM SCROLL COMPRESSOR Jan 12, 2025 Issued
Array ( [id] => 19999207 [patent_doc_number] => 20250137429 [patent_country] => US [patent_kind] => A1 [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2335 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19011170 [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 [patent_country] => US [patent_kind] => A1 [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 [patent_app_type] => utility [patent_app_number] => 18/978282 [patent_app_country] => US [patent_app_date] => 2024-12-12 [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] => -9 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18978282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978282
DEVICE FOR GENERATING ENERGY FROM COMPRESSED AIR, SYSTEM HAVING SUCH A DEVICE AND METHOD FOR OPERATING THE SYSTEM Dec 11, 2024 Pending
Array ( [id] => 19923477 [patent_doc_number] => 12297749 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-13 [patent_title] => Turbine engine with a blade having woven core and toughened region [patent_app_type] => utility [patent_app_number] => 18/966717 [patent_app_country] => US [patent_app_date] => 2024-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 4688 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18966717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/966717
Turbine engine with a blade having woven core and toughened region Dec 2, 2024 Issued
Array ( [id] => 19832986 [patent_doc_number] => 20250084772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => TURBINE WITH BIASED NOZZLE VANE MEMBERS [patent_app_type] => utility [patent_app_number] => 18/959629 [patent_app_country] => US [patent_app_date] => 2024-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18959629 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/959629
Turbine with biased nozzle vane members Nov 25, 2024 Issued
Array ( [id] => 20050702 [patent_doc_number] => 20250188924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => BEARING BLOCK FOR A GEAR PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/953445 [patent_app_country] => US [patent_app_date] => 2024-11-20 [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] => -8 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18953445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/953445
Bearing block for a gear pump assembly Nov 19, 2024 Issued
Array ( [id] => 20050702 [patent_doc_number] => 20250188924 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => BEARING BLOCK FOR A GEAR PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/953445 [patent_app_country] => US [patent_app_date] => 2024-11-20 [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] => -8 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18953445 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/953445
Bearing block for a gear pump assembly Nov 19, 2024 Issued
Array ( [id] => 19817415 [patent_doc_number] => 20250075622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => FRETTING RESISTANT ROTARY ENGINE HOUSINGS [patent_app_type] => utility [patent_app_number] => 18/952066 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952066
FRETTING RESISTANT ROTARY ENGINE HOUSINGS Nov 18, 2024 Pending
Array ( [id] => 19817415 [patent_doc_number] => 20250075622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => FRETTING RESISTANT ROTARY ENGINE HOUSINGS [patent_app_type] => utility [patent_app_number] => 18/952066 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952066 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952066
FRETTING RESISTANT ROTARY ENGINE HOUSINGS Nov 18, 2024 Pending
Array ( [id] => 20050703 [patent_doc_number] => 20250188925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-12 [patent_title] => GEAR PUMP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/952298 [patent_app_country] => US [patent_app_date] => 2024-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1094 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18952298 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/952298
GEAR PUMP ASSEMBLY Nov 18, 2024 Pending
Array ( [id] => 19786212 [patent_doc_number] => 20250059891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => HIGH-EFFICIENCY SINE ROTARY ENGINE [patent_app_type] => utility [patent_app_number] => 18/934216 [patent_app_country] => US [patent_app_date] => 2024-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18934216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/934216
High-efficiency sine rotary engine Oct 30, 2024 Issued
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