Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604483 | Streamer handling apparatus for use on seismic survey vessels | Baard Johnsen | 2003-08-12 |
| 5498285 | Process for the synthesis of a layered, clay-like material as well as its use | — | 1996-03-12 |
| 5478392 | Porous granulated steel slag composition and use of such as aggregate or cement replacement in building materials, road building and embankment | — | 1995-12-26 |
| 5457272 | Method for capturing ecologically harmful substances from material polluted with such substances | — | 1995-10-10 |
| 5430235 | Fixant for mixed organic and inorganic contaminated materials and method for using same | Jeffrey P. Newton | 1995-07-04 |
| 5429751 | Method for immobilizing material contaminated with heavy metal ions, a fixant for immobilizing heavy metal ions and a matrix | — | 1995-07-04 |
| 5395443 | Method for preparing a cement base material, together with a cement composition containing this base material | — | 1995-03-07 |
| 5393342 | Cement composition and method for the preparation thereof | — | 1995-02-28 |
| 5376283 | Fixant and matrix for fixing toxic organic compounds in waste material | — | 1994-12-27 |
| 5372729 | Method for fixing waste material | — | 1994-12-13 |
| 5347077 | Toxic waste fixant and method for using same | Jeffrey P. Newton | 1994-09-13 |
| 5304706 | Fixing agent for fixing organic and inorganic impurities containing material, method for fixing such material and a synthetic clay material | — | 1994-04-19 |
| 5067981 | Method for rendering toxic waste harmless | — | 1991-11-26 |
| 5028338 | Process for immobilizing environmentally noxious metals and organic substances | — | 1991-07-02 |
| 4953989 | Gas bearing part, and device provided with such a gas bearing part | — | 1990-09-04 |
| 4741629 | Gas bearing and bearing part and bearing material suitable for such a gas bearing | — | 1988-05-03 |
| 4713223 | Method of processing an iron-containing dust obtained in the preparation of iron or steel | — | 1987-12-15 |
| 4601832 | Method of processing waste materials, particularly sludge containing noxious metals | — | 1986-07-22 |
| 4509986 | Composition obtained by mixing fly ash, oxisludge and phosphogypsum | — | 1985-04-09 |
| 4398956 | Process for treating moist compositions containing pollution-causing substances | — | 1983-08-16 |
| 4385657 | Process for and apparatus for recovering energy | — | 1983-05-31 |
| 4317684 | Process of converting polluting particles, emitted in chemical or physical processes, into harmless substances | — | 1982-03-02 |
| 4272293 | Procedure for the treatment of combined wet filter cakes | — | 1981-06-09 |
| 4198450 | Coating pipes and receptacles with a weighting layer or mass of steel slag aggregate | — | 1980-04-15 |