Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D827394 | Grater | — | 2018-09-04 |
| D761065 | Nutmeg grater | — | 2016-07-12 |
| D720976 | Can opener | — | 2015-01-13 |
| D711710 | Opener | — | 2014-08-26 |
| 8518251 | Strainer device | — | 2013-08-27 |
| D682061 | Multifunctional opener for bottles and cans | — | 2013-05-14 |
| 7819350 | Grater for gratable food products | — | 2010-10-26 |
| D595097 | Kitchen equipment | — | 2009-06-30 |
| D592020 | Kitchen equipment | — | 2009-05-12 |
| D567608 | Can opener | — | 2008-04-29 |
| D515883 | Chopping device | — | 2006-02-28 |
| D510690 | Can opener | — | 2005-10-18 |
| 6798957 | Optical fiber cable | Reinhard Engel, Frank Koschwitz, Andreas Stingl, Alois Weiss, Sabine Will | 2004-09-28 |
| D496228 | Garlic press | — | 2004-09-21 |
| D491771 | Lid for salad spin dryer | — | 2004-06-22 |
| D482577 | Lid for salad spin dryer | — | 2003-11-25 |
| D471412 | Can opener | — | 2003-03-11 |
| 6434304 | Light waveguide cable for use in high-tension systems | Zhan Gao, Rainer Kamps | 2002-08-13 |
| D441626 | Can opener | — | 2001-05-08 |
| D331170 | Food chopper | — | 1992-11-24 |
| 4608277 | Encapsulated salts of sparing solubility in water, their preparation and their use | Karl-Heinz Keil, Rudolf Heinrich, Konrad Albrecht | 1986-08-26 |
| 4588413 | Process for producing dyeings with reactive dyestuffs | Karl-Heinz Keil, Fritz Engelhardt, Klaus Sternberger, Manfred Pelster | 1986-05-13 |
| 4576973 | Copolymer, process for its preparation and its use as a sorbent | Karl-Heinz Keil, Fritz Engelhardt, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann +1 more | 1986-03-18 |
| 4552905 | Copolymer, a process for its preparation and its use as a sorbent | Karl-Heinz Keil, Fritz Engelhardt, Klaus Kuhlein, Reinhold Keller, Merten Schlingmann | 1985-11-12 |
| 4547429 | Encapsulated salts of acid particles wherein the salt particles are surrounded by a polyurethane/polyurea casing | Karl-Heinz Keil, Rudolf Heinrich, Konrad Albrecht | 1985-10-15 |