Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607631 | Removable rainwater downspout filter | — | 2023-03-21 |
| 11117076 | Removable rainwater downspout filter | — | 2021-09-14 |
| D833587 | Rain gutter | — | 2018-11-13 |
| 9060412 | Ion drive for a spacecraft | Hans Leiter, Johann Mueller, Frank Scholze | 2015-06-16 |
| 8956906 | Method and device for producing a semiconductor layer | Hendrik Zachmann, Karsten Otte, Frank Scholze, Lutz Pistol | 2015-02-17 |
| 8322082 | Gutter cover with snap-in hanger attachment | — | 2012-12-04 |
| 6899824 | Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles | Frank Meyer, Hiroki Ishida, Peter Schuhmacher | 2005-05-31 |
| 6733689 | Liquid-crystalline composition for printing inks, coatings and counterfeit-proof marking of articles | Frank Meyer, Hiroki Ishida, Peter Schuhmacher | 2004-05-11 |
| 5147724 | Method for producing smooth surfaces on plastics | ManfredNeumann Eschwey, Rolf van Bonn | 1992-09-15 |
| 5073231 | Method for producing smooth surfaces on plastics | Manfred Eschwey, Rolf van Bonn | 1991-12-17 |
| 4869859 | Process for the production of fluorinated surfaces of polymers | Manfred Eschwey, Rolf van Bonn | 1989-09-26 |
| 4767310 | Blow mandrel for extrusion blow molding with agressive blow media | Manfred Busch | 1988-08-30 |
| 4473687 | Polypropylene molding composition and process for its preparation | Bernhard Dorrer, Friedrich Kloos, Helmut Strametz | 1984-09-25 |