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] => 19856061 [patent_doc_number] => 12258886 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Systems and methods for generating gas and power [patent_app_type] => utility [patent_app_number] => 18/289548 [patent_app_country] => US [patent_app_date] => 2022-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 15293 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18289548 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289548
Systems and methods for generating gas and power May 10, 2022 Issued
Array ( [id] => 19346012 [patent_doc_number] => 20240254975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => HEAT ENGINE SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/289603 [patent_app_country] => US [patent_app_date] => 2022-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18289603 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/289603
HEAT ENGINE SYSTEM AND METHOD May 8, 2022 Pending
Array ( [id] => 18754721 [patent_doc_number] => 20230358147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-09 [patent_title] => FAST RESPONSE ACTIVE CLEARANCE SYSTEMS WITH PIEZOELECTRIC ACTUATOR IN AXIAL, AXIAL/RADIAL COMBINED, AND CIRCUMFERENTIAL DIRECTIONS [patent_app_type] => utility [patent_app_number] => 17/739766 [patent_app_country] => US [patent_app_date] => 2022-05-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17739766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/739766
Fast response active clearance systems with piezoelectric actuator in axial, axial/radial combined, and circumferential directions May 8, 2022 Issued
Array ( [id] => 18086039 [patent_doc_number] => 11536164 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-27 [patent_title] => Closed-loop brayton cycle system with turbine blade cooling [patent_app_type] => utility [patent_app_number] => 17/661462 [patent_app_country] => US [patent_app_date] => 2022-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 7534 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17661462 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/661462
Closed-loop brayton cycle system with turbine blade cooling Apr 28, 2022 Issued
Array ( [id] => 17914056 [patent_doc_number] => 20220316451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => SYSTEMS AND METHODS FOR GENERATION OF ELECTRICAL POWER IN AN ORGANIC RANKINE CYCLE OPERATION [patent_app_type] => utility [patent_app_number] => 17/730956 [patent_app_country] => US [patent_app_date] => 2022-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19426 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17730956 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/730956
Systems and methods for generation of electrical power in an organic Rankine cycle operation Apr 26, 2022 Issued
Array ( [id] => 19491435 [patent_doc_number] => 12110128 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Transmission device for hybrid aircraft [patent_app_type] => utility [patent_app_number] => 18/559224 [patent_app_country] => US [patent_app_date] => 2022-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 8245 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18559224 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/559224
Transmission device for hybrid aircraft Apr 24, 2022 Issued
Array ( [id] => 17968812 [patent_doc_number] => 11486330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-01 [patent_title] => Systems and methods utilizing gas temperature as a power source [patent_app_type] => utility [patent_app_number] => 17/715400 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 16742 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17715400 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/715400
Systems and methods utilizing gas temperature as a power source Apr 6, 2022 Issued
Array ( [id] => 18461937 [patent_doc_number] => 11686223 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-27 [patent_title] => Capturing and utilizing waste heat in electrical power generation [patent_app_type] => utility [patent_app_number] => 17/658370 [patent_app_country] => US [patent_app_date] => 2022-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 7315 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17658370 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/658370
Capturing and utilizing waste heat in electrical power generation Apr 6, 2022 Issued
Array ( [id] => 18676159 [patent_doc_number] => 20230313784 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => USE OF CONCENTRATED SOLAR TO ENHANCE THE POWER GENERATION OF THE TURBOEXPANDER IN GAS WELLS [patent_app_type] => utility [patent_app_number] => 17/711155 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4783 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17711155 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/711155
Use of concentrated solar to enhance the power generation of the turboexpander in gas wells Mar 31, 2022 Issued
Array ( [id] => 18261113 [patent_doc_number] => 11608810 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Displacement device including force displacement mechanism with constant volume boot [patent_app_type] => utility [patent_app_number] => 17/705009 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 18 [patent_no_of_words] => 16871 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 735 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17705009 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/705009
Displacement device including force displacement mechanism with constant volume boot Mar 24, 2022 Issued
Array ( [id] => 18560399 [patent_doc_number] => 11725635 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-15 [patent_title] => Fabric-based inflatable structures with textured pattern designs and variable stiffness [patent_app_type] => utility [patent_app_number] => 17/704588 [patent_app_country] => US [patent_app_date] => 2022-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 4421 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17704588 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/704588
Fabric-based inflatable structures with textured pattern designs and variable stiffness Mar 24, 2022 Issued
Array ( [id] => 19651851 [patent_doc_number] => 12173628 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-24 [patent_title] => Heat engine [patent_app_type] => utility [patent_app_number] => 18/550218 [patent_app_country] => US [patent_app_date] => 2022-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 8358 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 431 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18550218 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/550218
Heat engine Mar 14, 2022 Issued
Array ( [id] => 18086130 [patent_doc_number] => 11536255 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-12-27 [patent_title] => Hybrid actuation device including fluidly cooled SMA wires [patent_app_type] => utility [patent_app_number] => 17/691794 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 14576 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691794 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691794
Hybrid actuation device including fluidly cooled SMA wires Mar 9, 2022 Issued
Array ( [id] => 19312166 [patent_doc_number] => 12037970 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-07-16 [patent_title] => Water powered electricity generating assembly [patent_app_type] => utility [patent_app_number] => 17/690444 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2178 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17690444 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/690444
Water powered electricity generating assembly Mar 8, 2022 Issued
Array ( [id] => 18560298 [patent_doc_number] => 11725534 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Method of multi-objective and multi-dimensional online joint monitoring for nuclear turbine [patent_app_type] => utility [patent_app_number] => 17/691040 [patent_app_country] => US [patent_app_date] => 2022-03-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 15068 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691040 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691040
Method of multi-objective and multi-dimensional online joint monitoring for nuclear turbine Mar 8, 2022 Issued
Array ( [id] => 17665929 [patent_doc_number] => 11359612 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-14 [patent_title] => Systems and methods for generation of electrical power in an organic rankine cycle operation [patent_app_type] => utility [patent_app_number] => 17/682126 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 19350 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682126 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682126
Systems and methods for generation of electrical power in an organic rankine cycle operation Feb 27, 2022 Issued
Array ( [id] => 18560386 [patent_doc_number] => 11725622 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-08-15 [patent_title] => Power packet networks for wave energy converter arrays [patent_app_type] => utility [patent_app_number] => 17/675064 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 22 [patent_no_of_words] => 4619 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17675064 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/675064
Power packet networks for wave energy converter arrays Feb 17, 2022 Issued
Array ( [id] => 17816060 [patent_doc_number] => 11421663 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-23 [patent_title] => Systems and methods for generation of electrical power in an organic Rankine cycle operation [patent_app_type] => utility [patent_app_number] => 17/670827 [patent_app_country] => US [patent_app_date] => 2022-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 20166 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17670827 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/670827
Systems and methods for generation of electrical power in an organic Rankine cycle operation Feb 13, 2022 Issued
Array ( [id] => 17914055 [patent_doc_number] => 20220316450 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Systems for Generating Geothermal Power in an Organic Rankine Cycle Operation During Hydrocarbon Production Based on Wellhead Fluid Temperature [patent_app_type] => utility [patent_app_number] => 17/650811 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17650811 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/650811
Systems for generating geothermal power in an organic Rankine cycle operation during hydrocarbon production based on wellhead fluid temperature Feb 10, 2022 Issued
Array ( [id] => 19098566 [patent_doc_number] => 20240117794 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => HIGHLY STRETCHABLE FIBER WITH TUNABLE STIFFNESS AND APPLICATIONS [patent_app_type] => utility [patent_app_number] => 18/276284 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18276284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/276284
HIGHLY STRETCHABLE FIBER WITH TUNABLE STIFFNESS AND APPLICATIONS Feb 10, 2022 Abandoned
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