Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395428 | Filter material for motor vehicles | Ernest De Ruiter | 1995-03-07 |
| 5380594 | Microspherules of activated carbon and a process for manufacturing the same | Hubert von Blucher, Ernest De Ruiter | 1995-01-10 |
| 5350443 | Filter sheet material for passenger cabins in motor vehicles | Ernest De Ruiter | 1994-09-27 |
| 5277963 | Filter sheet material | Ernest De Ruiter | 1994-01-11 |
| 5275154 | Activated charcoal filter layer for gas masks | Ernest De Ruiter | 1994-01-04 |
| 5209887 | Process for manufacturing microspherules of activated carbon | Hubert von Blucher, Ernest De Ruiter | 1993-05-11 |
| 5190110 | Use of an aqueous swollen macromolecule-containing system as water for fire fighting | Hubert von Blucher, Ernest De Ruiter | 1993-03-02 |
| 4992084 | Activated charcoal filter layer for gas masks | Ernest De Ruiter | 1991-02-12 |
| 4983192 | Textile sheet filter | Hubert von Blucher, Ernest De Ruiter | 1991-01-08 |
| 4981501 | Adsorption filter with high air permeability | Ernest De Ruiter | 1991-01-01 |
| 4978460 | Aqueous swollen macromolecule-containing system as water for firefighting | Hubert von Blucher, Ernest De Ruiter | 1990-12-18 |
| 4906263 | Adsorption filter with high air permeability | Ernest De Ruiter | 1990-03-06 |
| 4857243 | Process of making microspherules of activated carbon | Hubert von Blucher, Ernest De Ruiter | 1989-08-15 |
| 4843739 | Inner shoe material with adsorbent properties | Hubert von Blucher, Ernest De Ruiter | 1989-07-04 |
| 4610905 | Yarn having specific properties | Hubert von Blucher, Ernest De Ruiter | 1986-09-09 |
| 4554198 | Waterproof and air-tight, moisture-conducting textile material | Hubert von Blucher, Ernest De Ruiter | 1985-11-19 |
| 4510193 | Filter sheet material | Hubert Blucher, Ernest De Ruiter | 1985-04-09 |
| 4457345 | Blended yarn containing active carbon staple fibers, and fabric woven therefrom | Hubert von Blucher, Ernest De Ruiter | 1984-07-03 |
| 4455187 | Filter sheet material and method of making same | Hubert von Blucher, Ernst de Ruiter | 1984-06-19 |
| 4454191 | Waterproof and moisture-conducting fabric coated with hydrophilic polymer | Hubert von Blucher, Ernest De Ruiter | 1984-06-12 |