Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D460545 | Air freshener | Horst Hautmann | 2002-07-16 |
| D432224 | Container for fragrant liquids | Horst Hautmann | 2000-10-17 |
| 5222186 | Electrical apparatus for vaporizing of active substances | Horst Hautmann, Jurgen Fischer | 1993-06-22 |
| D335530 | Electrical evaporator | — | 1993-05-11 |
| D318912 | Air ameliorant or similar article | Fritz von Philipp, Horst Hautmann | 1991-08-06 |
| D306478 | Air freshener or similar article | Fritz von Philipp, Horst Hautmann | 1990-03-06 |
| 4844050 | Evaporation apparatus for active ingredients such as pyrethrum incorporated into solid carrier materials | Horst Hautmann, Bernd Pregler | 1989-07-04 |
| 4750471 | Evaporation apparatus for active ingredients such as pyrethrum incorporated into solid carrier materials | Horst Hautmann, Bernd Pregler, Fritz von Philipp | 1988-06-14 |
| RE32017 | Toilet flush water colorizer | Horst Hautmann | 1985-11-05 |
| 4526320 | Apparatus for vaporizing insecticides, perfumes and/or other volatile agents | Fritz von Philipp | 1985-07-02 |
| 4452393 | Vaporizing device for perfumes, insecticides and/or other volatile active substances | Fritz von Philipp, Horst Hautmann | 1984-06-05 |
| D268614 | Air freshener or similar article | Fritz von Philipp | 1983-04-12 |
| D268361 | Air freshener or similar article | Fritz von Philipp | 1983-03-22 |
| D266107 | Air freshner or similar article | — | 1982-09-07 |
| D263334 | Air freshener | — | 1982-03-09 |
| 4301556 | Holder for toilet deodorants | — | 1981-11-24 |
| 4261957 | Holder for toilet deodorants | — | 1981-04-14 |
| 4247042 | Vaporizer for insecticides and/or other volatile active substances | Fritz von Philipp | 1981-01-27 |
| D258082 | Dispenser for air treating material | — | 1981-01-27 |
| 4214146 | Electrically heated vaporizer device for dispensing a thermally volatilizable substance | — | 1980-07-22 |