Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8090131 | Steerable acoustic waveguide | — | 2012-01-03 |
| 7481114 | Noninvasive measurement of fluid characteristics using reversibly deformed conduit | — | 2009-01-27 |
| 6912918 | Mass flow sensor and methods of determining mass flow of a fluid | Christopher Smart, Thomas Nicholson | 2005-07-05 |
| 6889552 | Acoustic waveguide system | Toan Huu Nguyen | 2005-05-10 |
| 6732595 | Method of and system for determining the mass flow rate of a fluid flowing in a conduit | — | 2004-05-11 |
| 6349599 | Layered ultrasonic coupler | Yi Liu | 2002-02-26 |
| 6343511 | Ultrasonic path bundle and systems | Yi Liu | 2002-02-05 |
| 6330831 | Stream-cleaned differential reflection coefficient sensor | Yi Liu | 2001-12-18 |
| 6047602 | Ultrasonic buffer/waveguide | — | 2000-04-11 |
| 5962790 | Ultrasonic path bundle and systems | Yi Liu | 1999-10-05 |
| 5515733 | Ultrasonic transducer system with crosstalk isolation | — | 1996-05-14 |
| 5456114 | Elastic wave sensing system | Yi Liu | 1995-10-10 |
| 5440937 | Process and apparatus for ultrasonic measurement of volumeric flow through large-diameter stack | James E. Bradshaw, Christopher C. Doyle, Steven A. Lynnworth, James E. Matson, Jeffrey Tilden | 1995-08-15 |
| 5437194 | Ultrasonic transducer system with temporal crosstalk isolation | — | 1995-08-01 |
| 5275060 | Ultrasonic transducer system with crosstalk isolation | — | 1994-01-04 |
| 5179862 | Snap-on flow measurement system | — | 1993-01-19 |
| 5159838 | Marginally dispersive ultrasonic waveguides | — | 1992-11-03 |
| 4893496 | Torsional wave fluid sensor and system | Haim H. Bau, Jin Oh Kim, Toan Huu Nguyen | 1990-01-16 |
| 4856321 | Apparatus and methods for measuring fluid flow parameters | Jack W. Smalling, Leonard D. Braswell | 1989-08-15 |
| 4787252 | Differential correlation analyzer | Saul A. Jacobson, James Michael Korba | 1988-11-29 |
| 4783997 | Ultrasonic transducers for high temperature applications | — | 1988-11-15 |
| 4754650 | Apparatus and methods for measuring fluid flow parameters | Jack W. Smalling, Leonard D. Braswell | 1988-07-05 |
| 4735097 | Method and apparatus for measuring fluid characteristics using surface generated volumetric interrogation signals | — | 1988-04-05 |
| 4596133 | Apparatus and methods for measuring fluid flow parameters | Jack W. Smalling, Leonard D. Braswell | 1986-06-24 |
| 4538469 | Integrated threshold arming method and apparatus | James E. Matson | 1985-09-03 |