Search

Douglas Q. Tran

Examiner (ID: 7418, Phone: (571)272-7442 , Office: P/2672 )

Most Active Art Unit
2672
Art Unit(s)
2724, 2673, 2672, 2624, 2625
Total Applications
1570
Issued Applications
1490
Pending Applications
8
Abandoned Applications
75

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18163757 [patent_doc_number] => 20230030351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-02-02 [patent_title] => Systems and Methods for Make-Up Air Blocking Valve with a Restrictive Poppet Orifice [patent_app_type] => utility [patent_app_number] => 17/814899 [patent_app_country] => US [patent_app_date] => 2022-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4173 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17814899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/814899
Systems and methods for make-up air blocking valve with a restrictive poppet orifice Jul 25, 2022 Issued
Array ( [id] => 18932836 [patent_doc_number] => 11885244 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-30 [patent_title] => Pumped heat energy storage system with electric heating integration [patent_app_type] => utility [patent_app_number] => 17/872489 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 77 [patent_no_of_words] => 55509 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17872489 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872489
Pumped heat energy storage system with electric heating integration Jul 24, 2022 Issued
Array ( [id] => 18226211 [patent_doc_number] => 20230065205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-02 [patent_title] => COUPLING SYSTEM OF SUPERCRITICAL CARBON DIOXIDE CYCLE POWER GENERATION AND LITHIUM EXTRACTION FROM BRINE [patent_app_type] => utility [patent_app_number] => 17/869309 [patent_app_country] => US [patent_app_date] => 2022-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5359 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17869309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/869309
Coupling system of supercritical carbon dioxide cycle power generation and lithium extraction from brine Jul 19, 2022 Issued
Array ( [id] => 18172495 [patent_doc_number] => 11572191 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-07 [patent_title] => Propeller-type propulsion system for an aircraft [patent_app_type] => utility [patent_app_number] => 17/866050 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2396 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866050 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866050
Propeller-type propulsion system for an aircraft Jul 14, 2022 Issued
Array ( [id] => 18505220 [patent_doc_number] => 11703027 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-07-18 [patent_title] => Self-tuning wave energy converter (WEC) controller for changing sea states [patent_app_type] => utility [patent_app_number] => 17/866083 [patent_app_country] => US [patent_app_date] => 2022-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 5910 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17866083 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/866083
Self-tuning wave energy converter (WEC) controller for changing sea states Jul 14, 2022 Issued
Array ( [id] => 18505229 [patent_doc_number] => 11703036 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Geothermal heat harvesters [patent_app_type] => utility [patent_app_number] => 17/864859 [patent_app_country] => US [patent_app_date] => 2022-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 12611 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17864859 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/864859
Geothermal heat harvesters Jul 13, 2022 Issued
Array ( [id] => 18611980 [patent_doc_number] => 20230278712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => SHAPE MEMORY ALLOY BASED SPRING ACTIVATED BALL LOCK AND ACTUATOR PIN RELEASE SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 17/857943 [patent_app_country] => US [patent_app_date] => 2022-07-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17857943 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/857943
Shape memory alloy based spring activated ball lock and actuator pin release systems and methods Jul 4, 2022 Issued
Array ( [id] => 17960822 [patent_doc_number] => 20220341402 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-27 [patent_title] => SYSTEMS AND METHODS FOR GENERATION OF ELECTRICAL POWER IN AN ORGANIC RANKINE CYCLE OPERATION [patent_app_type] => utility [patent_app_number] => 17/810390 [patent_app_country] => US [patent_app_date] => 2022-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20319 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17810390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/810390
Systems and methods for generation of electrical power in an organic Rankine cycle operation Jun 30, 2022 Issued
Array ( [id] => 18764900 [patent_doc_number] => 11815293 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-14 [patent_title] => Method for installing a geothermal system, method for utilizing geothermal energy, and geothermal system [patent_app_type] => utility [patent_app_number] => 17/853958 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4700 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17853958 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/853958
Method for installing a geothermal system, method for utilizing geothermal energy, and geothermal system Jun 29, 2022 Issued
Array ( [id] => 18879893 [patent_doc_number] => 20240003262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => PROBE HEAT SHIELDING [patent_app_type] => utility [patent_app_number] => 17/809952 [patent_app_country] => US [patent_app_date] => 2022-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4148 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17809952 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/809952
Probe heat shielding Jun 29, 2022 Issued
Array ( [id] => 18078202 [patent_doc_number] => 20220403814 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => SYSTEMS AND METHODS FOR POWER DISTRIBUTION AND HARNESSING OF MARINE HYDROKINETIC ENERGY [patent_app_type] => utility [patent_app_number] => 17/846779 [patent_app_country] => US [patent_app_date] => 2022-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17846779 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/846779
Systems and methods for power distribution and harnessing of marine hydrokinetic energy Jun 21, 2022 Issued
Array ( [id] => 19242450 [patent_doc_number] => 12012873 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles [patent_app_type] => utility [patent_app_number] => 17/845745 [patent_app_country] => US [patent_app_date] => 2022-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 8309 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17845745 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/845745
Apparatus and method of utilizing thermal energy using multi fluid direct contact hydraulic cycles Jun 20, 2022 Issued
Array ( [id] => 18302460 [patent_doc_number] => 11624354 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-04-11 [patent_title] => Energy collection apparatus [patent_app_type] => utility [patent_app_number] => 17/806474 [patent_app_country] => US [patent_app_date] => 2022-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2169 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17806474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/806474
Energy collection apparatus Jun 9, 2022 Issued
Array ( [id] => 17913992 [patent_doc_number] => 20220316387 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => TURBINE-COMPRESSOR ASSEMBLY AND METHOD [patent_app_type] => utility [patent_app_number] => 17/836015 [patent_app_country] => US [patent_app_date] => 2022-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13486 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17836015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/836015
Turbine-compressor assembly and method Jun 8, 2022 Issued
Array ( [id] => 17883533 [patent_doc_number] => 20220299010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => GROUND HEAT EXCHANGER AND WIND TURBINE [patent_app_type] => utility [patent_app_number] => 17/833214 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7830 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17833214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833214
GROUND HEAT EXCHANGER AND WIND TURBINE Jun 5, 2022 Abandoned
Array ( [id] => 17914062 [patent_doc_number] => 20220316457 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => INTERMUSCULAR RIDGED BOARDS FOR ARTIFICIAL MUSCLE DEVICES UNDER HEAVY LIFT CONDITIONS [patent_app_type] => utility [patent_app_number] => 17/833003 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17833003 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833003
Intermuscular ridged boards for artificial muscle devices under heavy lift conditions Jun 5, 2022 Issued
Array ( [id] => 18871806 [patent_doc_number] => 11859598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Shape memory alloy actuators and methods thereof [patent_app_type] => utility [patent_app_number] => 17/831318 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 93 [patent_figures_cnt] => 170 [patent_no_of_words] => 23105 [patent_no_of_claims] => 23 [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] => 17831318 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831318
Shape memory alloy actuators and methods thereof Jun 1, 2022 Issued
Array ( [id] => 18058754 [patent_doc_number] => 20220389840 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => REACTION TURBINE OPERATING ON CONDENSING VAPORS [patent_app_type] => utility [patent_app_number] => 17/831204 [patent_app_country] => US [patent_app_date] => 2022-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17831204 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/831204
Reaction turbine operating on condensing vapors Jun 1, 2022 Issued
Array ( [id] => 19631850 [patent_doc_number] => 20240410299 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => CONDENSATION SYSTEM AND METHOD FOR ELECTRIC POWER PLANT [patent_app_type] => utility [patent_app_number] => 18/256039 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18256039 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/256039
CONDENSATION SYSTEM AND METHOD FOR ELECTRIC POWER PLANT May 22, 2022 Pending
Array ( [id] => 18964862 [patent_doc_number] => 11898618 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-13 [patent_title] => Arrangement for reducing oscillation [patent_app_type] => utility [patent_app_number] => 17/743474 [patent_app_country] => US [patent_app_date] => 2022-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4223 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17743474 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/743474
Arrangement for reducing oscillation May 12, 2022 Issued
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