Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810973 | Apparatus for producing small particles from high consistency wood pulp | Lawrence A. Carlsmith, A. Sean Vote, Anthony G. Abdulmassih | 1998-09-22 |
| 5688368 | Method for cooling and ozone bleaching wood pulp | — | 1997-11-18 |
| 5683582 | Air inflow restrictor for vacuum filters | — | 1997-11-04 |
| 5667642 | Pulp slurry-handling press roll and twin and single roll slurry handling presses | — | 1997-09-16 |
| 5626297 | Wood pulp ozone bleaching contactor | Lawrence A. Carlsmith, A. Sean Vote, Anthony G. Abdulmassih | 1997-05-06 |
| 5520506 | Pulp slurry-handling, centrifugal pump | — | 1996-05-28 |
| 5503737 | Air inflow restrictor for disc filters | — | 1996-04-02 |
| 5470471 | Anti-rewet deck for press rolls | Antoine G. Abdulmassih, Frank John Merchel, III | 1995-11-28 |
| 5456804 | Inlet slice assembly, for a pulp slurry processing machine | — | 1995-10-10 |
| 5307939 | Screening apparatus for papermaking pulp | Douglas L. G. Young | 1994-05-03 |
| 5238564 | Method and apparatus for control of filtrate volume in a disc filter | — | 1993-08-24 |
| 5046338 | Multiphase pulp washer | — | 1991-09-10 |
| 4906364 | Filter deck assembly sliding seal | Armand G. Truchon | 1990-03-06 |
| 4894121 | Pressure pulp washer | Frederick S. Lewis, Lawrence A. Carlsmith | 1990-01-16 |
| 4827741 | Pulp washer discharging a pulp slurry at a controlled consistency | — | 1989-05-09 |
| 4808265 | Method of washing pulp in a pressure pulp washer adding two washing liquids | Frederick S. Lewis, Lawrence A. Carlsmith | 1989-02-28 |
| 4770604 | Pulp centrifugal pump | Donald Bryce Johnson | 1988-09-13 |
| 4581104 | Method of reducing the lignin in wood pulp with oxygen gas recirculation | — | 1986-04-08 |
| 4515693 | Fiberglass-reinforced solid plastic drum | — | 1985-05-07 |
| 4480392 | Conduction dryer for flaked or fluffed material | — | 1984-11-06 |
| 4435085 | Mixer for use in pulp processes | Lawrence A. Carlsmith | 1984-03-06 |
| 4364185 | System for drying wet, porous webs | Jules L. Dussourd | 1982-12-21 |
| 4338192 | Clarifier bubble generation and distribution nozzle | Eugene L. Krasnoff | 1982-07-06 |
| 4321140 | Disk press | — | 1982-03-23 |
| 4297794 | Paper sheet dryer | — | 1981-11-03 |