Hilterhaus; Karl-Heinz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hilterhaus; Karl-Heinz.The latest application filed is for "organomineral products from aqueous alkali metal silicate, polyisocyanate and epoxy resin".
- Hilterhaus; Karl-Heinz - 4520 Melle-Oberholsten DE
- Hilterhaus; Karl-Heinz - Georgsmarienhutte DE
| Patent | Date |
|---|---|
| Organomineral products from aqueous alkali metal silicate, polyisocyanate and epoxy resin Grant 5,107,928 - Hilterhaus April 28, 1 | 1992-04-28 |
| Process for consolidation and sealing coal and/or rock, soil and brick formations in mining, tunnelling and construction Grant 4,669,919 - Hilterhaus , et al. June 2, 1 | 1987-06-02 |
| Supply control apparatus for a mixing chamber Grant 4,351,354 - Hilterhaus , et al. September 28, 1 | 1982-09-28 |
| Process of producing shaped structures of crosslinked elastomeric polyurethane Grant 4,108,954 - Hilterhaus , et al. August 22, 1 | 1978-08-22 |
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