Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454285 | Method for preparing glass-fiber reinforced cement composites | — | 1984-06-12 |
| 4373981 | Process for the manufacture of objects from water-hardened material | Joseph J. P. Bomers, David G. Ellis, Johann Jansen | 1983-02-15 |
| 4344910 | Process for the manufacture of water-hardening material | — | 1982-08-17 |
| 4345001 | Process for the manufacture of water-hardening material reinforced with open meshed films | — | 1982-08-17 |
| 4344804 | Process and apparatus for the manufacture of fiber-reinforced hydraulically bound articles such as cementitious articles | Johann Jansen | 1982-08-17 |
| 4267136 | Production of thin, plastic-reinforced, hydraulically bound boards | — | 1981-05-12 |
| 4242407 | Process for the manufacture of articles of water-hardening material | — | 1980-12-30 |
| 4190455 | Process for the manufacture of shaped products from calcium sulphate dihydrate | Peter A. M. Kleinjans | 1980-02-26 |