Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846468 | Method and unit for low-temperature air separation | Stefan Lochner, Wolfgang Haag, Lars Kirchner, Tobias Lautenschlager, Dimitri GOLUBEV | 2023-12-19 |
| 10814411 | Band saw machine | — | 2020-10-27 |
| 6776004 | Air fractionation process and installation with mixing column and krypton-xenon recovery | Dietrich Rottmann | 2004-08-17 |
| 6662595 | Process and device for obtaining a compressed product by low temperature separation of air | Horst Corduan, Dietrich Rottmann | 2003-12-16 |
| 6598424 | Process and apparatus for separating a gas mixture with emergency operation | Gerhard Zapp | 2003-07-29 |
| 6477860 | Process for obtaining gaseous and liquid nitrogen with a variable proportion of liquid product | Dietrich Rottmann | 2002-11-12 |
| 6470707 | Process for obtaining gaseous nitrogen | Dietrich Rottmann | 2002-10-29 |
| 6276172 | Process for producing ultrapure nitrogen | Dietrich Rottman | 2001-08-21 |
| 6205208 | Method and apparatus for dynamic processing of data communications of various types | George D. Detlefsen, Mark John Spowage | 2001-03-20 |
| 6196023 | Method and device for producing compressed nitrogen | Horst Corduan, Dietrich Rottmann, Juergen Voit, Wolfgang Haag | 2001-03-06 |
| 4939661 | Apparatus for a video marine navigation plotter with electronic charting and methods for use therein | Christopher Barker, John A. Combs, John Park | 1990-07-03 |