Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10473502 | Dielectric multiphase flow meter | — | 2019-11-12 |
| 10222247 | Multiphase ultrasonic flow meter | — | 2019-03-05 |
| 9752907 | Phase controlled variable angle ultrasonic flow meter | — | 2017-09-05 |
| 9494454 | Phase controlled variable angle ultrasonic flow meter | — | 2016-11-15 |
| 9310236 | Ultrasonic flow meter using reflected beams | — | 2016-04-12 |
| 8505391 | Flange mounted ultrasonic flowmeter | — | 2013-08-13 |
| 8347423 | Universally installable hands free toilet seat lifter/lowerer | — | 2013-01-08 |
| 8336126 | Universally installable hands free toilet seat lifter/lowerer | — | 2012-12-25 |
| 7917973 | Hands free system for lifting and lowering a toilet seat | — | 2011-04-05 |
| 7643947 | System and method for flow profile calibration correction for ultrasonic flowmeters | — | 2010-01-05 |
| 7185547 | Extreme temperature clamp-on ultrasonic flowmeter transducer | — | 2007-03-06 |
| 6786077 | Wide beam clamp-on ultrasonic densitometer | Douglas Baumoel | 2004-09-07 |
| 6681641 | Clamp-on gas flowmeter | — | 2004-01-27 |
| 6644132 | Flow profile conditioner for pipe flow systems | — | 2003-11-11 |
| 6442999 | Leak locator for pipe systems | — | 2002-09-03 |
| 6418796 | Sonic flow measurement apparatus for tubes including sonically matched plates | — | 2002-07-16 |
| 6405603 | Method for determining relative amounts of constituents in a multiphase flow | — | 2002-06-18 |
| 6273373 | Device for clamping a transducer to a pipe | — | 2001-08-14 |
| 6062091 | Method and apparatus for determining ultrasonic pulse arrival in fluid using phase correlation | — | 2000-05-16 |
| 6026693 | Pipe spool section having square or rectangular cross-section for clamp on transducer and method for flow measurement | Douglas Baumoel | 2000-02-22 |
| 5548530 | High-precision leak detector and locator | — | 1996-08-20 |
| 5467321 | Insertion ultrasonic transducer with mode conversion and method for reducing multiple signal reception | — | 1995-11-14 |
| 5453944 | Method and apparatus for leak detection and pipeline temperature modelling method and apparatus | — | 1995-09-26 |
| 5343737 | Method and apparatus for leak detection and pipeline temperature modelling method and apparatus | — | 1994-09-06 |
| 5271267 | Method and apparatus for determining fluid properties from sonic/temperature fluid signature | — | 1993-12-21 |