Controlotron Corp.
Records under this name other than patents Controlotron Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,786,077 | Wide Beam Clamp-On Ultrasonic Densitometer Formerly held Term ended Term ended Jan 31, 2023 · High confidence | Term ended | Term ended Jan 31, 2023 | High confidence |
| US 6,405,603 | Method for Determining Relative Amounts of Constituents in a Multiphase Flow Formerly held Term ended Term ended Mar 23, 2021 · High confidence | Term ended | Term ended Mar 23, 2021 | High confidence |
| US 6,442,999 | Leak Locator for Pipe Systems Formerly held Term ended Term ended Mar 22, 2021 · High confidence | Term ended | Term ended Mar 22, 2021 | High confidence |
| US 6,273,373 | Device for clamping a transducer to a pipe Formerly held Term ended Term ended Jun 10, 2019 · From the USPTO record | Term ended | Term ended Jun 10, 2019 | From the USPTO record |
| US 6,026,693 | Pipe spool section having square or rectangular cross-section for clamp on transducer and method for flow measurement Formerly held Term ended Term ended Jun 4, 2017 · From the USPTO record | Term ended | Term ended Jun 4, 2017 | From the USPTO record |
| US 6,062,091 | Method and apparatus for determining ultrasonic pulse arrival in fluid using phase correlation Formerly held Term ended Term ended Apr 22, 2017 · From the USPTO record | Term ended | Term ended Apr 22, 2017 | From the USPTO record |
| US 6,681,641 | Clamp-On Gas Flowmeter Formerly held Lapsed on the fee record Ended Jan 27, 2016 · High confidence | Lapsed on the fee record | Ended Jan 27, 2016 | High confidence |
| US 6,644,132 | Flow profile conditioner for pipe flow systems Formerly held Lapsed on the fee record Ended Nov 11, 2015 · From the USPTO record | Lapsed on the fee record | Ended Nov 11, 2015 | From the USPTO record |
| US 7,185,547 | Extreme Temperature Clamp-On Ultrasonic Flowmeter Transducer Formerly held Lapsed on the fee record Ended Mar 6, 2015 · High confidence | Lapsed on the fee record | Ended Mar 6, 2015 | High confidence |
| US 6,418,796 | Sonic flow measurement apparatus for tubes including sonically matched plates Formerly held Lapsed on the fee record Ended Jul 16, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jul 16, 2014 | From the USPTO record |