Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5042215 | Natural stone element for lining facades of buildings | Martin Bard | 1991-08-27 |
| RE33529 | Covering for wall, ceiling or floor linings | Martin Bard | 1991-01-29 |
| 4868899 | Space heating element comprising a ceramic shaped body provided with an electrically resistive coating, in particular in the form of a ceramic tile | Martin Bard | 1989-09-19 |
| 4839500 | Covering for wall, ceiling or floor linings | Martin Bard | 1989-06-13 |
| 4833300 | Space heating element having a ceramic body with an electrically resistive coating thereon | Martin Bard | 1989-05-23 |
| 4821484 | Double floor construction | Martin Bard | 1989-04-18 |
| 4821478 | Large-format ceramic tile with holding elements provided on the side facing away from its visible side | Martin Bard | 1989-04-18 |
| 4488871 | Process for producing uneven coloring effects on firing plate-like ceramic material | — | 1984-12-18 |
| 4462797 | Cooling zone for a kiln, more specially a roller kiln | — | 1984-07-31 |
| 4439142 | Cooling zone for a firing kiln with transport rollers | — | 1984-03-27 |