Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10046540 | Light weight temperature resistant transparent laminate structure | Katherine Leighton, Edgar Aleshire, Wiktor Serafin, Christopher Snively, Carsten Weinhold +1 more | 2018-08-14 |
| 9656913 | Transparent laminate which inhibits puncture by projectiles | Ina Mitra, Andreas Langsdorf, Christoph Gross, Ulrike Stoehr | 2017-05-23 |
| 9199873 | Process for producing a highly transparent impact-resistant glass ceramic | Thilo Zachau, Friedrich Siebers, Ulrich Schiffner | 2015-12-01 |
| 9194663 | Transparent glass/polymer composite | Thilo Zachau, Frieder Kropfgans | 2015-11-24 |
| 8404350 | Highly transparent impact-resistant glass ceramic | Thilo Zachau, Friedrich Siebers, Ulrich Schiffner | 2013-03-26 |
| 8338318 | Glass ceramic armor material | Friedrich Siebers, Hans-Juergen Lemke, Thilo Zachau | 2012-12-25 |
| 7135995 | Method for automatic determination of validity or invalidity of input from a keyboard or a keypad | Harry Engelmann | 2006-11-14 |
| 7045917 | Circuit arrangement for an electric appliance | Harry Engelmann | 2006-05-16 |
| 6723937 | Touch switch with a keypad | Harry Englemann | 2004-04-20 |
| 6528769 | Connection of a junction to an electrical conductor track on a plate | Roland Schnabel, Harry Engelmann | 2003-03-04 |
| 6501054 | Device and method for controlling cooking areas with glass-ceramic cooking surfaces | Harry Engelmann | 2002-12-31 |
| 6300606 | Method and device for detection of a boil dry condition of a utensil placed on a glass-ceramic cooking surface of a cooking unit | Harry Engelmann | 2001-10-09 |
| 6242721 | Cooktop with a non-metallic hotplate | Andreas Borrmann, Dieter Munkes, Harry Engelmann | 2001-06-05 |
| 6218646 | Method for adjusting a limiting value of an operating temperature of a cooking unit and device for performing said method | Peter Nass, Harry Engelmann, Roland Dudek | 2001-04-17 |
| 6155711 | Method of calibrating temperature-measuring resistors on a glass, glass-ceramic, or similar substrate | Harry Engelmann | 2000-12-05 |
| 6063478 | Transport shield, assembly aid and operating means for glass ceramic panels | Herwig Scheidler | 2000-05-16 |
| 6054203 | Transport shield, assembly aid and operating means for glass and glass ceramic panels | Herwig Scheidler | 2000-04-25 |
| 6002112 | Cooking appliance, such as a stove, with a glass-ceramic hob or cooktop with a rapid cooking ring or hotplate | Peter Nass, Patrick Hoyer | 1999-12-14 |
| 5723220 | Removal of halos from glass-ceramic articles decorated with a ceramic color | Roland Leroux, Erich Rodek, Jurgen Thurk, Waldemar Weinberg | 1998-03-03 |
| 5645411 | Radiation gas burner with safety device | Michael Kahlke | 1997-07-08 |
| 5584957 | Process for forming a permanently elastic adhesive connection easily detachable in case of disassembly | Bernd Schultheis, Stefan Hubert, Roland Leroux, J urgen Th urk, Werner Noky | 1996-12-17 |
| 5509403 | Gas fires cooking assembly with plate conductive to heat radiation | Michael Kahlke | 1996-04-23 |
| 5500255 | Removal of halos from glass-ceramic articles decorated with a ceramic color | Roland Leroux, Erich Rodek, Jurgen Thurk, Waldemar Weinberg | 1996-03-19 |
| 5446008 | Transparent or translucent inorganic material with high transmission in the 2700-3300 nm wavelength range | Georg Krolla, Paul Kissl, Peter Nass | 1995-08-29 |
| 5376197 | Formation of a removable surface area on a substrate | — | 1994-12-27 |