
Thuan D. Dang
Examiner (ID: 16880, Phone: (571)272-1445 , Office: P/1772 )
| Most Active Art Unit | 1772 |
| Art Unit(s) | 1772, 1764, 1797, 1106, 1771 |
| Total Applications | 2733 |
| Issued Applications | 2191 |
| Pending Applications | 182 |
| Abandoned Applications | 382 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 19067029
[patent_doc_number] => 20240101455
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-03-28
[patent_title] => Waste Water Treatment System
[patent_app_type] => utility
[patent_app_number] => 18/371930
[patent_app_country] => US
[patent_app_date] => 2023-09-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4224
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 268
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18371930
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/371930 | Waste Water Treatment System | Sep 21, 2023 | Pending |
Array
(
[id] => 19172724
[patent_doc_number] => 20240158698
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-05-16
[patent_title] => PROCESSES FOR VISCOSITY BREAKING OF PLASTICS
[patent_app_type] => utility
[patent_app_number] => 18/471545
[patent_app_country] => US
[patent_app_date] => 2023-09-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 19763
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 59
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471545
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/471545 | Processes for viscosity breaking of plastics | Sep 20, 2023 | Issued |
Array
(
[id] => 19463938
[patent_doc_number] => 20240317607
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-09-26
[patent_title] => REFRIGERATOR WITH MODULAR CARTRIDGES IN FLUID COMMUNICATION WITH THE WATER SUPPLY
[patent_app_type] => utility
[patent_app_number] => 18/471015
[patent_app_country] => US
[patent_app_date] => 2023-09-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10898
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471015
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/471015 | REFRIGERATOR WITH MODULAR CARTRIDGES IN FLUID COMMUNICATION WITH THE WATER SUPPLY | Sep 19, 2023 | Pending |
Array
(
[id] => 19800347
[patent_doc_number] => 20250066272
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-27
[patent_title] => Low Temperature Membrane Process for Biogas Upgrading
[patent_app_type] => utility
[patent_app_number] => 18/237000
[patent_app_country] => US
[patent_app_date] => 2023-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5716
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 350
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237000
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/237000 | Low temperature membrane process for biogas upgrading | Aug 22, 2023 | Issued |
Array
(
[id] => 19800346
[patent_doc_number] => 20250066271
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-02-27
[patent_title] => METHODS FOR DEHYDROGENATION OF PERHYDRO-BENZYLTOLUENE
[patent_app_type] => utility
[patent_app_number] => 18/237157
[patent_app_country] => US
[patent_app_date] => 2023-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4317
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[patent_words_short_claim] => 156
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18237157
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/237157 | Methods for dehydrogenation of perhydro-benzyltoluene | Aug 22, 2023 | Issued |
Array
(
[id] => 20562858
[patent_doc_number] => 12565459
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-03-03
[patent_title] => Naphtha to ethane and propane unit with hydrogen slip
[patent_app_type] => utility
[patent_app_number] => 18/453535
[patent_app_country] => US
[patent_app_date] => 2023-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
[patent_figures_cnt] => 7
[patent_no_of_words] => 3634
[patent_no_of_claims] => 14
[patent_no_of_ind_claims] => 1
[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] => 18453535
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/453535 | Naphtha to ethane and propane unit with hydrogen slip | Aug 21, 2023 | Issued |
Array
(
[id] => 20578347
[patent_doc_number] => 12570589
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-03-10
[patent_title] => Membrane process for butadiene extraction solvent purification
[patent_app_type] => utility
[patent_app_number] => 18/366131
[patent_app_country] => US
[patent_app_date] => 2023-08-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2048
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18366131
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/366131 | Membrane process for butadiene extraction solvent purification | Aug 6, 2023 | Issued |
Array
(
[id] => 18922764
[patent_doc_number] => 20240025768
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-01-25
[patent_title] => SHAPE MEMORY POLY(ss-HYDROXYTHIOETHER) FOAMS RAPIDLY PRODUCED FROM MULTIFUNCTIONAL EPOXIDES AND THIOLS
[patent_app_type] => utility
[patent_app_number] => 18/227542
[patent_app_country] => US
[patent_app_date] => 2023-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 20177
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -12
[patent_words_short_claim] => 26
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18227542
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/227542 | SHAPE MEMORY POLY(ss-HYDROXYTHIOETHER) FOAMS RAPIDLY PRODUCED FROM MULTIFUNCTIONAL EPOXIDES AND THIOLS | Jul 27, 2023 | Pending |
Array
(
[id] => 19871273
[patent_doc_number] => 12264117
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-04-01
[patent_title] => Catalytic process for the production of aromatic hydrocarbons from used cooking oil
[patent_app_type] => utility
[patent_app_number] => 18/355160
[patent_app_country] => US
[patent_app_date] => 2023-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 7338
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 316
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18355160
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/355160 | Catalytic process for the production of aromatic hydrocarbons from used cooking oil | Jul 18, 2023 | Issued |
Array
(
[id] => 19693524
[patent_doc_number] => 20250012069
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-01-09
[patent_title] => GRATING FRAME ASSEMBLY AND METHOD OF INSTALLATION
[patent_app_type] => utility
[patent_app_number] => 18/347937
[patent_app_country] => US
[patent_app_date] => 2023-07-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 12103
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 78
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347937
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/347937 | GRATING FRAME ASSEMBLY AND METHOD OF INSTALLATION | Jul 5, 2023 | Pending |
Array
(
[id] => 18725595
[patent_doc_number] => 20230339762
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-26
[patent_title] => DIAMOND COMPOSITION
[patent_app_type] => utility
[patent_app_number] => 18/345918
[patent_app_country] => US
[patent_app_date] => 2023-06-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17308
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 49
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18345918
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/345918 | DIAMOND COMPOSITION | Jun 29, 2023 | Abandoned |
Array
(
[id] => 18771061
[patent_doc_number] => 20230365870
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-16
[patent_title] => PROCESSES AND SYSTEMS FOR PRODUCING LIGHT OLEFINS AND AROMATICS FROM A MIXED PLASTICS STREAM
[patent_app_type] => utility
[patent_app_number] => 18/342325
[patent_app_country] => US
[patent_app_date] => 2023-06-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7649
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -20
[patent_words_short_claim] => 227
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18342325
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/342325 | Processes and systems for producing light olefins and aromatics from a mixed plastics stream | Jun 26, 2023 | Issued |
Array
(
[id] => 19232276
[patent_doc_number] => 20240189468
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-06-13
[patent_title] => WIRELESS POWER TRANSFER DEVICE WITH ULTRAVIOLET LIGHT SOURCE
[patent_app_type] => utility
[patent_app_number] => 18/205502
[patent_app_country] => US
[patent_app_date] => 2023-06-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3516
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -13
[patent_words_short_claim] => 75
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18205502
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/205502 | WIRELESS POWER TRANSFER DEVICE WITH ULTRAVIOLET LIGHT SOURCE | Jun 2, 2023 | Pending |
Array
(
[id] => 19871272
[patent_doc_number] => 12264116
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-04-01
[patent_title] => Method and system embodiments for converting ethanol to para-xylene and ortho-xylene
[patent_app_type] => utility
[patent_app_number] => 18/205439
[patent_app_country] => US
[patent_app_date] => 2023-06-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
[patent_figures_cnt] => 22
[patent_no_of_words] => 16099
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 235
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18205439
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/205439 | Method and system embodiments for converting ethanol to para-xylene and ortho-xylene | Jun 1, 2023 | Issued |
Array
(
[id] => 18807423
[patent_doc_number] => 20230381756
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-30
[patent_title] => MULTIDIMENSIONAL MULTILAYERED UPCONVERSION NANOARCHITECTONICS WITH TUNEABLE ND CONTENT FOR EFFICIENT PHOTOCATALYTIC PHENOLIC DEGRADATION UNDER AMBIENT CONDITIONS
[patent_app_type] => utility
[patent_app_number] => 18/202711
[patent_app_country] => US
[patent_app_date] => 2023-05-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6424
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -23
[patent_words_short_claim] => 48
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18202711
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/202711 | MULTIDIMENSIONAL MULTILAYERED UPCONVERSION NANOARCHITECTONICS WITH TUNEABLE ND CONTENT FOR EFFICIENT PHOTOCATALYTIC PHENOLIC DEGRADATION UNDER AMBIENT CONDITIONS | May 25, 2023 | Pending |
Array
(
[id] => 20402553
[patent_doc_number] => 12492524
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-09
[patent_title] => Water resource circulation and purification device
[patent_app_type] => utility
[patent_app_number] => 18/322613
[patent_app_country] => US
[patent_app_date] => 2023-05-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 8
[patent_no_of_words] => 0
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 392
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18322613
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/322613 | Water resource circulation and purification device | May 23, 2023 | Issued |
Array
(
[id] => 18738114
[patent_doc_number] => 20230347029
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => DIALYSIS BIOMARKER MONITORING
[patent_app_type] => utility
[patent_app_number] => 18/310487
[patent_app_country] => US
[patent_app_date] => 2023-05-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7059
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 62
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18310487
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/310487 | DIALYSIS BIOMARKER MONITORING | Apr 30, 2023 | Pending |
Array
(
[id] => 20479281
[patent_doc_number] => 12527743
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2026-01-20
[patent_title] => Systems for vacuum mediated liposome preparation, and methods for using the same
[patent_app_type] => utility
[patent_app_number] => 18/135387
[patent_app_country] => US
[patent_app_date] => 2023-04-17
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 7790
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18135387
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/135387 | Systems for vacuum mediated liposome preparation, and methods for using the same | Apr 16, 2023 | Issued |
Array
(
[id] => 18853945
[patent_doc_number] => 11851507
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2023-12-26
[patent_title] => Method of manufacturing styrene
[patent_app_type] => utility
[patent_app_number] => 18/124955
[patent_app_country] => US
[patent_app_date] => 2023-03-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 15
[patent_figures_cnt] => 41
[patent_no_of_words] => 9334
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 59
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18124955
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/124955 | Method of manufacturing styrene | Mar 21, 2023 | Issued |
Array
(
[id] => 20401539
[patent_doc_number] => 12491499
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-09
[patent_title] => Photocatalyst for the degradation of methyl orange dye
[patent_app_type] => utility
[patent_app_number] => 18/185106
[patent_app_country] => US
[patent_app_date] => 2023-03-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 18
[patent_no_of_words] => 3045
[patent_no_of_claims] => 19
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 50
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18185106
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/185106 | Photocatalyst for the degradation of methyl orange dye | Mar 15, 2023 | Issued |