Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11717879 | Use of closed-pore microspheres of expanded pearlite as a filler for the production of mouldings for the foundry industry | Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER | 2023-08-08 |
| 11267760 | Method for producing insulating material or an insulating product for the refractory industry, corresponding insulating materials and products, and uses | Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER, Fabio SOLA +1 more | 2022-03-08 |
| 11253913 | Process for producing a metallic casting or a cured shaped part using aliphatic polymers comprising hydroxy groups | Klaus RIEMANN, Nicola Mancini, Gérard LADÉGOURDIE, Hermann LIEBER, Nils ZIMMER | 2022-02-22 |
| 10919086 | Method for producing refractory composite particles and feeder elements for the foundry industry, corresponding feeder elements and uses | Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER | 2021-02-16 |
| 10864574 | Core-shell particles for use as a filler for feeder compositions | Sandra LEHMANN, Klaus RIEMANN, Nils ZIMMER, Hermann LIEBER | 2020-12-15 |
| 9352385 | Core-sheath particle for use as a filler for feeder masses | Ulrich Lanver, Klaus RIEMANN, Hermann LIEBER | 2016-05-31 |