Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357760 | Ring seal | — | 2002-03-19 |
| 6044701 | Thermal mass flow controller having orthogonal thermal mass flow sensor | Dan B. LeMay, Kim Ngoc Vu | 2000-04-04 |
| 5730181 | Mass flow controller with vertical purifier | Nelson Urdaneta, Kim Ngoc Vu | 1998-03-24 |
| 5387660 | Polymerization process | Willem Terlouw | 1995-02-07 |
| 5303731 | Liquid flow controller | Randall J. Vavra, Kim Ngoc Vu | 1994-04-19 |
| 5276238 | Co-oligomerization process | — | 1994-01-04 |
| 5081286 | Process for the preparation of an alkyl methacrylate | Johan Van Gogh, Johan C. Van Ravenswaay Claasen | 1992-01-14 |
| 4928845 | End face with tear-off lip closure for pressurized container | — | 1990-05-29 |
| 4880909 | Removal of catalyst residues from carbon monoxide/olefin polymers with oxidant/phosphine treatment | Johannes A. M. Van Broekhoven | 1989-11-14 |
| 4858643 | Fluid flow stabilizing apparatus | Randall J. Vavra | 1989-08-22 |
| 4855400 | Removal of catalyst residues from carbon monoxide/olefin polymers with catalyst complexing agent | Johannes A. M. Van Broekhoven | 1989-08-08 |
| 4808699 | Process for preparing polymers of carbon monoxide and ethylene under specified pressures | Johannes A. M. Van Broekhoven | 1989-02-28 |
| 4786716 | Removal of catalyst residues from carbon monoxide/olefin polymer with phosphine | Johannes A. M. Van Broekhoven | 1988-11-22 |
| 4778876 | Vapor phase process for polymerizing carbon monoxide and olefins | Johan C. Van Ravenswaay Claasen, Gerrit G. Rosenbrand, Richard L. Wife | 1988-10-18 |
| 4686856 | Mass flow meter | Randall J. Vavra | 1987-08-18 |
| 4569504 | Solenoid | — | 1986-02-11 |
| 4440021 | Mass flow meter with reduced attitude sensitivity | John W. Abouchar | 1984-04-03 |