Search

Tam M. Nguyen

Examiner (ID: 3503, Phone: (571)272-1452 , Office: P/1772 )

Most Active Art Unit
1771
Art Unit(s)
1764, 3764, 1772, 3733, 1797, 1771
Total Applications
3016
Issued Applications
2142
Pending Applications
317
Abandoned Applications
584

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18817351 [patent_doc_number] => 20230391691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Recovery Of Light Olefins From Dry Hydrocarbon Gas From Refinery And Petrochemical Production Processes For Production Of Alkylate [patent_app_type] => utility [patent_app_number] => 18/450266 [patent_app_country] => US [patent_app_date] => 2023-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3256 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18450266 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/450266
Recovery of light olefins from dry hydrocarbon gas from refinery and petrochemical production processes for production of alkylate Aug 14, 2023 Issued
Array ( [id] => 19785662 [patent_doc_number] => 20250059341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => Continuous Process for Thermal Depolymerization and Monomer Repurposing Using Geothermal Energy [patent_app_type] => utility [patent_app_number] => 18/233663 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15500 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233663 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233663
Continuous Process for Thermal Depolymerization and Monomer Repurposing Using Geothermal Energy Aug 13, 2023 Pending
Array ( [id] => 20466677 [patent_doc_number] => 12522710 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Flow through process for thermal depolymerization and monomer repurposing using geothermal energy [patent_app_type] => utility [patent_app_number] => 18/233668 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 10659 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233668
Flow through process for thermal depolymerization and monomer repurposing using geothermal energy Aug 13, 2023 Issued
Array ( [id] => 18816355 [patent_doc_number] => 20230390695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => PRODUCTION OF BIOMETHANE USING MULTIPLE TYPES OF MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/233122 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233122 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233122
PRODUCTION OF BIOMETHANE USING MULTIPLE TYPES OF MEMBRANE Aug 10, 2023 Abandoned
Array ( [id] => 20316107 [patent_doc_number] => 12454651 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-28 [patent_title] => Method for regulating quality of oil derived from plastic wastes by supercritical hydrothermal liquefaction [patent_app_type] => utility [patent_app_number] => 18/364282 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 422 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364282
Method for regulating quality of oil derived from plastic wastes by supercritical hydrothermal liquefaction Aug 1, 2023 Issued
Array ( [id] => 18844385 [patent_doc_number] => 20230406789 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-21 [patent_title] => NON-AROMATIC COMPOUND REMOVAL SYSTEMS FOR PARA-XYLENE PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/363382 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18363382 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363382
Non-aromatic compound removal systems for para-xylene production Jul 31, 2023 Issued
Array ( [id] => 18785975 [patent_doc_number] => 20230373885 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => NON-AROMATIC COMPOUND REMOVAL SYSTEMS FOR PARA-XYLENE PRODUCTION [patent_app_type] => utility [patent_app_number] => 18/363360 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7060 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 18363360 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/363360
Non-aromatic compound removal systems for para-xylene production Jul 31, 2023 Issued
18/225511 SYSTEM AND PROCESS FOR RECOVERING METHANE AND CARBON DIOXIDE FROM BIOGAS AND REDUCING GREENHOUSE GAS EMISSIONS Jul 23, 2023 Abandoned
Array ( [id] => 19631029 [patent_doc_number] => 20240409478 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => MANUFACTURING METHOD OF BUTADIENE [patent_app_type] => utility [patent_app_number] => 18/699021 [patent_app_country] => US [patent_app_date] => 2023-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18699021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/699021
MANUFACTURING METHOD OF BUTADIENE Jul 19, 2023 Pending
Array ( [id] => 19368457 [patent_doc_number] => 12060530 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-13 [patent_title] => Process control systems and methods for simultaneous crude oil dehydration, desalting, sweetening, and stabilization [patent_app_type] => utility [patent_app_number] => 18/352420 [patent_app_country] => US [patent_app_date] => 2023-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 21070 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18352420 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/352420
Process control systems and methods for simultaneous crude oil dehydration, desalting, sweetening, and stabilization Jul 13, 2023 Issued
Array ( [id] => 18771065 [patent_doc_number] => 20230365874 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-16 [patent_title] => PROCESS FOR CONVERTING C2-C5 HYDROCARBONS TO GASOLINE AND DIESEL FUEL BLENDSTOCKS [patent_app_type] => utility [patent_app_number] => 18/351867 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19006 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18351867 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/351867
PROCESS FOR CONVERTING C2-C5 HYDROCARBONS TO GASOLINE AND DIESEL FUEL BLENDSTOCKS Jul 12, 2023 Pending
Array ( [id] => 20715532 [patent_doc_number] => 12630768 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-19 [patent_title] => Purification of waste plastics based oil via a polymerization [patent_app_type] => utility [patent_app_number] => 18/992434 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 15833 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18992434 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/992434
Purification of waste plastics based oil via a polymerization Jul 12, 2023 Issued
Array ( [id] => 18902940 [patent_doc_number] => 20240018425 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-18 [patent_title] => Continuous Refining Method and Device of Waste Plastic Pyrolysis Oil [patent_app_type] => utility [patent_app_number] => 18/221463 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221463 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221463
Continuous Refining Method and Device of Waste Plastic Pyrolysis Oil Jul 12, 2023 Abandoned
Array ( [id] => 20033474 [patent_doc_number] => 20250171696 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => PROCESS FOR THE RECYCLING AND CRACKING WASTE PLASTICS BASED OIL [patent_app_type] => utility [patent_app_number] => 18/992282 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13627 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18992282 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/992282
Process for the recycling and cracking waste plastics based oil Jul 12, 2023 Issued
Array ( [id] => 20093310 [patent_doc_number] => 20250223246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-10 [patent_title] => GAS SEPARATION SYSTEM AND METHOD FOR PRODUCING METHANE-ENRICHED GAS [patent_app_type] => utility [patent_app_number] => 18/871317 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4571 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18871317 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/871317
Gas separation system and method for producing methane-enriched gas Jul 11, 2023 Issued
Array ( [id] => 18995811 [patent_doc_number] => 11912637 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-02-27 [patent_title] => Systems and/or methods for producing synthetic hydrocarbons from biomass [patent_app_type] => utility [patent_app_number] => 18/220409 [patent_app_country] => US [patent_app_date] => 2023-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 19724 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220409 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220409
Systems and/or methods for producing synthetic hydrocarbons from biomass Jul 10, 2023 Issued
Array ( [id] => 20227315 [patent_doc_number] => 12415958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same [patent_app_type] => utility [patent_app_number] => 18/349343 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5514 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349343 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349343
Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same Jul 9, 2023 Issued
Array ( [id] => 20329871 [patent_doc_number] => 12460138 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-04 [patent_title] => Blend of waste plastic with bio feed and process of preparation [patent_app_type] => utility [patent_app_number] => 18/349276 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 6143 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349276 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349276
Blend of waste plastic with bio feed and process of preparation Jul 9, 2023 Issued
Array ( [id] => 20201689 [patent_doc_number] => 12404458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-02 [patent_title] => Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same [patent_app_type] => utility [patent_app_number] => 18/349333 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5731 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349333 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349333
Process for stable blend of waste plastic with petroleum feed for feeding to oil refinery units and process of preparing same Jul 9, 2023 Issued
Array ( [id] => 20108423 [patent_doc_number] => 12359132 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Lignocellulosic biomass derived biointermediates and renewable fuels [patent_app_type] => utility [patent_app_number] => 18/348873 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 15081 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348873 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348873
Lignocellulosic biomass derived biointermediates and renewable fuels Jul 6, 2023 Issued
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