Durferrit GmbH
USPTO Trademark & Patent Filings
Trademark applications and grants for Durferrit Gmbh. Durferrit Gmbh has 5 trademark applications. The latest application filed is for "QPQ"
- Company Aliases
- Durferrit GmbH
- DURFERRIT GMBH - Mannheim DE
- Durferrit GmbH - Mannheim DE
| State Incorporated | GERMANY |
| Entity Type | LIMITED LIABILITY COMPANY |
| Address | Industriestr. 3 Mannheim GERMANY 68169 |
Trademarks Patents
| Patent Application | Date |
|---|---|
| EXPLOSIVE 20110160450 - 13/060617 Baudis; Ulrich | 2011-06-30 |
| METHOD FOR PRODUCING CORROSION-RESISTANT SURFACES OF NITRATED OR NITROCARBURATED STEEL COMPONENTS 20100243109 - 12/742759 Baudis; Ulrich | 2010-09-30 |
| METHOD FOR HARDENING THE SURFACES OF WORK PIECES MADE OF STAINLESS STEEL, AND A MOLTEN SALT BATH FOR REALIZING THE METHOD 20100108198 - 12/262960 Baudis; Ulrich ; et al. | 2010-05-06 |
| Method for continuous mixing and melting inorganic salts and furnace installation for realizing the method 20080233527 - 12/076844 Heinrich; Michel ; et al. | 2008-09-25 |
| Method for hardening stainless steel and molten salt bath for realizing said process 20080099108 - 11/808557 Baudis; Ulrich ; et al. | 2008-05-01 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"QPQ" 77039286 |
QPQ 2006-11-08 |
"DURFERRIT" 3014548 76581338 |
DURFERRIT 2004-03-11 |
"MELONITE QPQ" 2154190 75113472 |
MELONITE QPQ 1996-06-04 |
"DURBORID" 2075177 75040586 |
DURBORID 1996-01-05 |
"AB 1" 2103924 74705965 |
AB 1 1995-07-25 |
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