Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813929 | Method and apparatus for monitoring fluid flow | — | 2004-11-09 |
| 5968998 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Rainer Guggenberger, Gunther Lechner, Klaus Ellrich | 1999-10-19 |
| 5583164 | Dental compositions comprising bifunctional or polyfunctional acrylic-acid esters or methacrylic-acid esters | Rainer Guggenberger, Gunther Lechner, Klaus Ellrich | 1996-12-10 |
| 5538172 | Explosive powder charge operated setting tool | Markus Frommelt | 1996-07-23 |
| 5472991 | Two-stage photocuring process for a dental composition | Werner Schmitt, Klaus Ellrich | 1995-12-05 |
| 5394702 | Explosive powder charge operated setting tool | — | 1995-03-07 |
| 5170922 | Powder charge operated setting tool | Gerhard Ehmig, Uwe Hilmert, Markus Frommelt | 1992-12-15 |
| 5147904 | Open-pored moldings, a process for their production and use thereof | Oswald Gasser, Manfred Holupirek, Erich Wanek, Rainer Guggenberger, Klaus-Peter Stefan +1 more | 1992-09-15 |
| 5114064 | Powder charge operated setting tool | Martin Muller | 1992-05-19 |
| 5100929 | (Polyene-polythiol) dental compositions curable with visible light | Oswald Gasser, Erich Wanek, Rainer Guggenberger, Klaus Ellrich | 1992-03-31 |
| 5086148 | Polyether-impression material and method for its preparation and use | Oswald Gasser, Wolf-Dietrich Zahler, Gunther Lechner, Rainer Guggenberger, Klaus Ellrich | 1992-02-04 |
| 4948312 | Fastening element with guide member | — | 1990-08-14 |
| 4941391 | Driving piston braking means for explosive powder actuated setting device | Gerhard Ehmig, Erich Maurer | 1990-07-17 |
| 4867790 | Dental composition containing an aziridine compound and method of preparation | Wolf-Dietrich Zahler, Oswald Gasser, Gunther Lechner, Klaus Ellrich | 1989-09-19 |
| 4795823 | (Meth)acrylic acid esters and the use thereof for preparing dental compositions | Werner Schmitt, Wolf-Dietrich Zahler, Heijo Hubner, Manfred Holupirek, Oswald Gasser +1 more | 1989-01-03 |
| 4711385 | Explosive powder charge actuated fastening element driving device | — | 1987-12-08 |
| 4611738 | Explosive powder driven fastening element setting device | — | 1986-09-16 |
| 4595134 | Explosive charge operated device for driving fastening elements | — | 1986-06-17 |
| 4577793 | Powder charge operated fastening element setting device | — | 1986-03-25 |
| 4544742 | 1,2,6-Thiadiazine-3,5-dione-1,1-dioxides | Werner Schmitt, Robert Purrmann, Heinz-Joachim Hubner, Bernd Burger | 1985-10-01 |
| 4542172 | Dental cement containing polyvinyl butyral as an additive | Oswald Gasser | 1985-09-17 |
| 4534500 | Setting device with a driving piston propelled by high pressure gases | — | 1985-08-13 |
| 4533077 | Stop device for a driving piston in a fastening member setting device | — | 1985-08-06 |
| 4532268 | Imidazole agent for retarding the polymerization of aziridine compounds | Heijo Hubner, Oswald Gasser | 1985-07-30 |
| 4493911 | Nonadhesive impression material | Werner Schmitt, Robert Purrmann | 1985-01-15 |