Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152158 | Graphite lead or graphite chalk or graphite block, pencil with graphite lead, and method for producing a graphite lead or graphite chalk or graphite block | Reiner Appel, Joachim Kinzel, Silke Bachmann | 2024-11-26 |
| 12054001 | Process for the production of an impregnated wood piece, impregnated wood piece obtainable by such a process and pencil having a sheath made of such an impregnated wood piece | Vladimir Barroso, Felipe Zatt Schardosin, Tatiane de Mattos AMADIO | 2024-08-06 |
| 12006443 | Core or crayon for writing and/or coloring | Vladimir Barroso, Eder D. J. Merola | 2024-06-11 |
| 11542401 | Whitish writing and marking fluid for capillary systems and writing instrument | Tatiana Appel, Kurt Seidl | 2023-01-03 |
| 11072718 | Writing, marking and/or drawing liquid for capillary systems, especially for applicator implements having a capillary system, and applicator implement | Tatiana Appel, Baukis HEULER | 2021-07-27 |
| 10711151 | Colored lead or colored chalk, pencil containing a colored lead, and process for preparing a colored lead or colored chalk | Vladimir Barroso, Eder D. J. Merola, Marcel Prado Atassio, Reiner Appel | 2020-07-14 |
| 10450476 | Writing, marking and/or drawing liquid for writing implements, especially for capillary pens, and writing implement | Wolfgang Schwarz, CONCETTA GOSCHALA | 2019-10-22 |
| 8703231 | Lead for painting and method of painting with a lead | Reiner Appel, Harald Von Godin, Joachim Kinzel | 2014-04-22 |
| 8454981 | Cosmetic preparation for coloring the eyelids and eyebrows | Tatiana Appel | 2013-06-04 |
| 8388988 | Cosmetic preparation for coloring of eyelids and eyebrows | Tatiana Appel | 2013-03-05 |
| 8376644 | Metallic ink and applicator for applying the ink | Wolfgang Schwarz | 2013-02-19 |
| 8349411 | Method for producing raised structures on the surface of a pencil | Udo Beck, Walter Oetter | 2013-01-08 |
| 8338523 | Thermoplastic molding material and molded body made of the material | Reiner Appel, Harald Godin | 2012-12-25 |
| 7909525 | Article, in particular a writing implement, having a gripping zone with raised structures | Thomas Knable | 2011-03-22 |
| 7351469 | Method of producing surface coatings on articles, and article having a surface coating | Udo Beck, Walter Oetter | 2008-04-01 |
| 6837637 | Wood-encased pencil for writing, sketching, drawing, and cosmetic purposes | Udo Beck, Walter Oetter | 2005-01-04 |
| 6579530 | Cosmetic powder pencil or powder chalk | Reiner Appel, Joachim Kinzel, Harald Von Godin | 2003-06-17 |
| 6461067 | Wood-encased pencil for writing, sketching, drawing, and cosmetic purposes | Udo Beck, Walter Oetter | 2002-10-08 |
| 6316526 | Method for making leads for color pencils, cosmetic pencils and colored chalk | — | 2001-11-13 |
| 6056810 | Colored lead pencil | — | 2000-05-02 |
| 5746778 | Wood stain containing a stabilizing agent | Axel Jankewitz | 1998-05-05 |
| 5591787 | Hard lead for a pencil | Barbara Schlennert | 1997-01-07 |
| 5567206 | Stain and method for staining wood | Axel Jankewitz | 1996-10-22 |