Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12384428 | Tube section for evacuated tube transport system | — | 2025-08-12 |
| 11492019 | Tube segment and tube for evacuated tube transport system | Heiko Sportel, Mark Bernard Denys | 2022-11-08 |
| 8313554 | Method for the separation of molten aluminium and solid inclusions | Huibrecht Adriaan Wouters, Marcellus Albertus Hogenboom | 2012-11-20 |
| 7648559 | Method for fractional crystallisation of a metal | Huibrecht Adriaan Wouters | 2010-01-19 |
| 7537639 | Method of cooling molten metal during fractional crystallisation | Huibrecht Adriaan Wouters, Martinus Leonardus Rutten, Volker Gerhard Aurich, Johannes Hendrikus Ten Have | 2009-05-26 |
| 7531023 | Method for the purification of a molten metal | — | 2009-05-12 |
| 7442228 | Method and device for controlling the proportion of crystals in a liquid-crystal mixture | — | 2008-10-28 |
| 7419530 | Method for fractional crystallisation of a molten metal | Huibrecht Adriaan Wouters | 2008-09-02 |
| 4433602 | Keyboard musical instrument | — | 1984-02-28 |
| 4378881 | Portable securing assembly for an electric musical instrument | — | 1983-04-05 |
| 4317967 | Fault isolation device | Steven Gewitz, Roald G. Heyman | 1982-03-02 |
| 4314494 | Electric keyboard musical instrument | — | 1982-02-09 |