Search

John M. Royston

Examiner (ID: 16174, Phone: (571)270-7215 , Office: P/2855 )

Most Active Art Unit
2855
Art Unit(s)
2854, 2855, 2856
Total Applications
767
Issued Applications
552
Pending Applications
87
Abandoned Applications
148

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20180390 [patent_doc_number] => 20250264348 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => ULTRASONIC WATER METER FLOW MEASUREMENT AND OUTDOOR WATER LEAK DETECTION METHOD USING TEMPERATURE DISTRIBUTION AND PRESSURE CHANGE, AND THEREOF THE ULTRASONIC WATER METER [patent_app_type] => utility [patent_app_number] => 19/104665 [patent_app_country] => US [patent_app_date] => 2024-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3532 [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] => 19104665 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/104665
Ultrasonic water meter flow measurement and outdoor water leak detection method using temperature distribution and pressure change, and thereof the ultrasonic water meter Feb 20, 2024 Issued
Array ( [id] => 20536688 [patent_doc_number] => 12553759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-17 [patent_title] => System, method and apparatus for lading measurement in a rail car [patent_app_type] => utility [patent_app_number] => 18/581128 [patent_app_country] => US [patent_app_date] => 2024-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 23 [patent_no_of_words] => 2286 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18581128 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/581128
System, method and apparatus for lading measurement in a rail car Feb 18, 2024 Issued
Array ( [id] => 19390568 [patent_doc_number] => 20240280438 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => ELECTRONIC DEVICE FOR A MEASURING RAKE FACILITATING DATA LOADING [patent_app_type] => utility [patent_app_number] => 18/442200 [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] => 5373 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18442200 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/442200
ELECTRONIC DEVICE FOR A MEASURING RAKE FACILITATING DATA LOADING Feb 14, 2024 Pending
Array ( [id] => 19362101 [patent_doc_number] => 20240264135 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => METHOD AND SYSTEM FOR GAS DETECTION [patent_app_type] => utility [patent_app_number] => 18/432582 [patent_app_country] => US [patent_app_date] => 2024-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18432582 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/432582
METHOD AND SYSTEM FOR GAS DETECTION Feb 4, 2024 Pending
Array ( [id] => 19158888 [patent_doc_number] => 20240151595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => AIR AND GAS FLOW VELOCITY AND TEMPERATURE SENSOR PROBE [patent_app_type] => utility [patent_app_number] => 18/413477 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4880 [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] => 18413477 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413477
AIR AND GAS FLOW VELOCITY AND TEMPERATURE SENSOR PROBE Jan 15, 2024 Abandoned
Array ( [id] => 20994386 [patent_doc_number] => 12743018 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-22 [patent_title] => Reticle-like sensing assembly [patent_app_type] => utility [patent_app_number] => 18/413773 [patent_app_country] => US [patent_app_date] => 2024-01-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 0 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18413773 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/413773
RETICLE-LIKE SENSING ASSEMBLY Jan 15, 2024 Pending
Array ( [id] => 20992679 [patent_doc_number] => 12741294 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-22 [patent_title] => Apparatuses, systems, and methods for isolating a nozzle of a vessel [patent_app_type] => utility [patent_app_number] => 18/402948 [patent_app_country] => US [patent_app_date] => 2024-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 1139 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18402948 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/402948
APPARATUSES, SYSTEMS, AND METHODS FOR ISOLATING A NOZZLE OF A VESSEL Jan 2, 2024 Pending
Array ( [id] => 19282743 [patent_doc_number] => 20240219219 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-04 [patent_title] => ESTIMATING POOL VOLUME SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 18/397839 [patent_app_country] => US [patent_app_date] => 2023-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6565 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18397839 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/397839
ESTIMATING POOL VOLUME SYSTEM AND METHOD Dec 26, 2023 Pending
Array ( [id] => 20226404 [patent_doc_number] => 12415044 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-16 [patent_title] => Fluid flow system for bubble and fluid detection [patent_app_type] => utility [patent_app_number] => 18/517379 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4905 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517379 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517379
Fluid flow system for bubble and fluid detection Nov 21, 2023 Issued
Array ( [id] => 19035411 [patent_doc_number] => 20240085226 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => INSERTION MAGNETIC METERS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/517193 [patent_app_country] => US [patent_app_date] => 2023-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3800 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18517193 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/517193
Insertion magnetic meters and methods Nov 21, 2023 Issued
Array ( [id] => 19173740 [patent_doc_number] => 20240159714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => METHODS AND CIRCUITRY FOR BUILT-IN SELF-TESTING OF CIRCUITRY AND/OR TRANSDUCERS IN ULTRASOUND DEVICES [patent_app_type] => utility [patent_app_number] => 18/507509 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18507509 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507509
Methods and circuitry for built-in self-testing of circuitry and/or transducers in ultrasound devices Nov 12, 2023 Issued
Array ( [id] => 19021172 [patent_doc_number] => 20240077343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Multiphase Flowmeter Aperture Antenna Transmission And Pressure Retention [patent_app_type] => utility [patent_app_number] => 18/507142 [patent_app_country] => US [patent_app_date] => 2023-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19329 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18507142 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/507142
Multiphase flowmeter aperture antenna transmission and pressure retention Nov 12, 2023 Issued
Array ( [id] => 19004725 [patent_doc_number] => 20240068796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => SENSOR UNIT AND SENSOR UNIT ATTACHMENT METHOD [patent_app_type] => utility [patent_app_number] => 18/505560 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16934 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505560 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505560
Sensor unit and sensor unit attachment method Nov 8, 2023 Issued
Array ( [id] => 20594509 [patent_doc_number] => 12578216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-17 [patent_title] => Ultrasonic mass fuel flow meter [patent_app_type] => utility [patent_app_number] => 18/505807 [patent_app_country] => US [patent_app_date] => 2023-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 7983 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18505807 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/505807
Ultrasonic mass fuel flow meter Nov 8, 2023 Issued
Array ( [id] => 19021285 [patent_doc_number] => 20240077456 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => REAL-TIME PREDICTION OF TISSUE FIXATION TIME [patent_app_type] => utility [patent_app_number] => 18/386539 [patent_app_country] => US [patent_app_date] => 2023-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 42796 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18386539 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/386539
Real-time prediction of tissue fixation time Nov 1, 2023 Issued
Array ( [id] => 20622395 [patent_doc_number] => 12589890 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Testing device and testing method of composite blade tilt rotor power assembly [patent_app_type] => utility [patent_app_number] => 18/571773 [patent_app_country] => US [patent_app_date] => 2023-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18571773 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/571773
Testing device and testing method of composite blade tilt rotor power assembly Oct 29, 2023 Issued
Array ( [id] => 20688647 [patent_doc_number] => 12618790 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Environment detection apparatus [patent_app_type] => utility [patent_app_number] => 18/495719 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4448 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495719 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495719
Environment detection apparatus Oct 25, 2023 Issued
Array ( [id] => 20804581 [patent_doc_number] => 12669484 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-06-30 [patent_title] => Lock mass correction during chromatography void time [patent_app_type] => utility [patent_app_number] => 18/487496 [patent_app_country] => US [patent_app_date] => 2023-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3383 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18487496 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/487496
Lock mass correction during chromatography void time Oct 15, 2023 Issued
Array ( [id] => 20665842 [patent_doc_number] => 12607610 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Monitoring the efficiency of catalytic oxidation for isotopic detection [patent_app_type] => utility [patent_app_number] => 18/379635 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1183 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379635 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379635
Monitoring the efficiency of catalytic oxidation for isotopic detection Oct 11, 2023 Issued
Array ( [id] => 19755582 [patent_doc_number] => 20250044147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => ULTRASONIC SENSING ELEMENT ASSEMBLY AND ULTRASONIC SENSING ELEMENT [patent_app_type] => utility [patent_app_number] => 18/479550 [patent_app_country] => US [patent_app_date] => 2023-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2908 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18479550 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/479550
Ultrasonic sensing element assembly and ultrasonic sensing element Oct 1, 2023 Issued
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