Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466127 | Differential pressure transmitter with intrinsic verification | — | 2019-11-05 |
| 9784633 | Differential pressure transmitter with intrinsic verification | — | 2017-10-10 |
| 9207140 | Differential pressure transmitter with intrinsic verification | — | 2015-12-08 |
| 8844372 | Vortex flow meter | — | 2014-09-30 |
| 6684720 | Autosampler syringe with compression sealing | — | 2004-02-03 |
| 6321585 | Differential pressure generator | — | 2001-11-27 |
| 6161442 | Autosampler syringe with compression sealing | — | 2000-12-19 |
| 5925834 | Autosampler syringe with compression sealing | — | 1999-07-20 |
| 5641270 | Durable high-precision magnetostrictive pump | Joseph F. Actor, Richard L. Vigeant, Carlton H. Paul | 1997-06-24 |
| 5146793 | Fluid seal | Stanislaw Koziol | 1992-09-15 |
| 5114161 | Fluid seal | Stanislaw Koziol | 1992-05-19 |
| 5065611 | System for calibrating the span of pressure measuring instruments | John Angelosanto | 1991-11-19 |
| 4852466 | Floating diaphragm apparatus | Mark Freeman, John L. Koukol, Jr., Stanislaw Koziol | 1989-08-01 |
| 4708010 | Apparatus and method for calibrating span of pressure measuring instruments | — | 1987-11-24 |
| 4638656 | Apparatus and method for calibrating span of pressure measuring instruments | — | 1987-01-27 |
| 4604891 | Reference pressure devices for calibrating pressure-measuring instruments | John Angelosanto, Barry T. Malloy | 1986-08-12 |
| 4520678 | Small line-size vortex meter | Stanislaw Koziol | 1985-06-04 |
| 4470313 | Mechanically excited resonant-element sensor | Richard W. Kalinoski, Duane T. Thompson | 1984-09-11 |
| 4380935 | External sensing vortex flowmeter | Paul J. Lefebvre | 1983-04-26 |