Search

Truong D. Phan

Examiner (ID: 2962, Phone: (571)272-8883 , Office: P/2856 )

Most Active Art Unit
2855
Art Unit(s)
2861, 2856, 2855
Total Applications
523
Issued Applications
356
Pending Applications
42
Abandoned Applications
144

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19962907 [patent_doc_number] => 12332404 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-17 [patent_title] => Device for measuring an amount of snowfall in consideration of a weight of snowfall [patent_app_type] => utility [patent_app_number] => 19/091695 [patent_app_country] => US [patent_app_date] => 2025-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 1124 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19091695 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/091695
Device for measuring an amount of snowfall in consideration of a weight of snowfall Mar 25, 2025 Issued
Array ( [id] => 19962615 [patent_doc_number] => 12332106 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-17 [patent_title] => Wellbore water level and health determination system and method(s) [patent_app_type] => utility [patent_app_number] => 18/898183 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 7702 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18898183 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/898183
Wellbore water level and health determination system and method(s) Sep 25, 2024 Issued
Array ( [id] => 19962615 [patent_doc_number] => 12332106 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-17 [patent_title] => Wellbore water level and health determination system and method(s) [patent_app_type] => utility [patent_app_number] => 18/898183 [patent_app_country] => US [patent_app_date] => 2024-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 7702 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18898183 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/898183
Wellbore water level and health determination system and method(s) Sep 25, 2024 Issued
Array ( [id] => 19595194 [patent_doc_number] => 12153031 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-26 [patent_title] => Detection device and method of rare gas sample in formation water [patent_app_type] => utility [patent_app_number] => 18/791353 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6744 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 849 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18791353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/791353
Detection device and method of rare gas sample in formation water Jul 30, 2024 Issued
Array ( [id] => 19970661 [patent_doc_number] => 12339264 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-24 [patent_title] => Calibration for tuneable diode lidar gas detection [patent_app_type] => utility [patent_app_number] => 18/786245 [patent_app_country] => US [patent_app_date] => 2024-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 17 [patent_no_of_words] => 8523 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18786245 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/786245
Calibration for tuneable diode lidar gas detection Jul 25, 2024 Issued
Array ( [id] => 19659647 [patent_doc_number] => 20240426712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => LAYERED INTERCEPTION CONTAMINATED SOIL SAMPLING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/740969 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3279 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18740969 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/740969
Layered interception contaminated soil sampling apparatus Jun 11, 2024 Issued
Array ( [id] => 19282742 [patent_doc_number] => 20240219218 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => METHODS AND INTERNET OF THINGS (IOT) SYSTEMS FOR WARNING ABNORMAL GAS TRANSMISSION LOSS [patent_app_type] => utility [patent_app_number] => 18/607479 [patent_app_country] => US [patent_app_date] => 2024-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13387 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 329 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18607479 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/607479
Methods and internet of things (IoT) systems for warning abnormal gas transmission loss Mar 16, 2024 Issued
Array ( [id] => 19480864 [patent_doc_number] => 20240328906 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => ANALYSIS SYSTEM AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/598355 [patent_app_country] => US [patent_app_date] => 2024-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18598355 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/598355
Analysis system and methods of use thereof Mar 6, 2024 Issued
Array ( [id] => 19219054 [patent_doc_number] => 20240183758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => DEVICES AND METHODS FOR SAMPLE ANALYSIS WITH SERIAL DILUTION [patent_app_type] => utility [patent_app_number] => 18/442844 [patent_app_country] => US [patent_app_date] => 2024-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18442844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442844
DEVICES AND METHODS FOR SAMPLE ANALYSIS WITH SERIAL DILUTION Feb 14, 2024 Abandoned
Array ( [id] => 19629857 [patent_doc_number] => 20240408306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => MODULATED POWER INJECTOR WITH INPUT DEVICE [patent_app_type] => utility [patent_app_number] => 18/417077 [patent_app_country] => US [patent_app_date] => 2024-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11070 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18417077 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/417077
MODULATED POWER INJECTOR WITH INPUT DEVICE Jan 18, 2024 Abandoned
Array ( [id] => 19872240 [patent_doc_number] => 12265097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => System and method for determining dispensing volume for a liquid handler [patent_app_type] => utility [patent_app_number] => 18/412096 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 37 [patent_no_of_words] => 12188 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412096
System and method for determining dispensing volume for a liquid handler Jan 11, 2024 Issued
Array ( [id] => 19872240 [patent_doc_number] => 12265097 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-01 [patent_title] => System and method for determining dispensing volume for a liquid handler [patent_app_type] => utility [patent_app_number] => 18/412096 [patent_app_country] => US [patent_app_date] => 2024-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 37 [patent_no_of_words] => 12188 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18412096 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/412096
System and method for determining dispensing volume for a liquid handler Jan 11, 2024 Issued
Array ( [id] => 19911051 [patent_doc_number] => 12287258 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-29 [patent_title] => Hub connection for pipeline inspection device [patent_app_type] => utility [patent_app_number] => 18/402024 [patent_app_country] => US [patent_app_date] => 2024-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 29 [patent_no_of_words] => 3526 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402024 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402024
Hub connection for pipeline inspection device Jan 1, 2024 Issued
Array ( [id] => 19234911 [patent_doc_number] => 20240192105 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => METHODS FOR DETERMINING THE DENSITY OF POLYMER PARTICLES FOR QUALITY CONTROL MATERIALS USING SPLIT FLOW THIN (SPLITT) CELL FRACTIONATION PRINCIPLE AND FRACTIONATION CELL FOR CARRYING OUT THE METHODS [patent_app_type] => utility [patent_app_number] => 18/394820 [patent_app_country] => US [patent_app_date] => 2023-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7504 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 18394820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/394820
Methods for determining the density of polymer particles for quality control materials using split flow thin (SPLITT) cell fractionation principle and fractionation cell for carrying out the methods Dec 21, 2023 Issued
Array ( [id] => 19114001 [patent_doc_number] => 20240125751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => SYSTEM AND METHOD FOR GAS REUSE IN TESTING OF HAZARDOUS GAS DETECTING INSTRUMENTS [patent_app_type] => utility [patent_app_number] => 18/392999 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18392999 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/392999
System and method for gas reuse in testing of hazardous gas detecting instruments Dec 20, 2023 Issued
Array ( [id] => 19187335 [patent_doc_number] => 20240166248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-23 [patent_title] => Derailment Mitigation Device for Railroads and Rail Tracks [patent_app_type] => utility [patent_app_number] => 18/539863 [patent_app_country] => US [patent_app_date] => 2023-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11488 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18539863 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/539863
Derailment mitigation device for railroads and rail tracks Dec 13, 2023 Issued
Array ( [id] => 19052270 [patent_doc_number] => 20240094239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => MEMS Device, Electronic Apparatus, And Vehicle [patent_app_type] => utility [patent_app_number] => 18/524231 [patent_app_country] => US [patent_app_date] => 2023-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18524231 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/524231
Mems device, electronic apparatus, and vehicle Nov 29, 2023 Issued
Array ( [id] => 19143466 [patent_doc_number] => 20240142336 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => LIVE GAS MULTI-SENSING DATA MONITORING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/492979 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18492979 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/492979
LIVE GAS MULTI-SENSING DATA MONITORING SYSTEM Oct 23, 2023 Abandoned
Array ( [id] => 19877425 [patent_doc_number] => 20250109682 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => CHEMICAL TRACER SPOOL FOR CASING-CASING ANNULUS LEAK SOURCE DETECTION [patent_app_type] => utility [patent_app_number] => 18/477070 [patent_app_country] => US [patent_app_date] => 2023-09-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18477070 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/477070
CHEMICAL TRACER SPOOL FOR CASING-CASING ANNULUS LEAK SOURCE DETECTION Sep 27, 2023 Pending
Array ( [id] => 19419358 [patent_doc_number] => 20240295481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-05 [patent_title] => Measurement Of Water Chemistry By Altering The Resonant Frequency Of A Vibrating Element With Hydrophilic Hydrogels [patent_app_type] => utility [patent_app_number] => 18/239904 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7175 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18239904 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/239904
Measurement Of Water Chemistry By Altering The Resonant Frequency Of A Vibrating Element With Hydrophilic Hydrogels Aug 29, 2023 Pending
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