| Trademark | Trademark Holder |
|---|---|
| X Plate | BD (Becton, Dickinson and Company) |
| X-am | Draeger Safety |
| X-Cell | SPEX CertiPrep |
| X-Factor | Ergodyne Corporation |
| X-Jumbo | Carolina Biological Supply Company |
| X-Omat | Eastman Kodak Co. |
| X-Press | SPEX CertiPrep |
| X-Sight | Carestream Health Inc. |
| X-Static | Laird Technologies-Sauquoit, Inc. |
| X-Tex | Xextex Corporation |
| X-tra | Rubbermaid |
| X-Tricator | Eye Safety Systems |
| X-VIVO 10 | BioWhittaker Molecular Applications |
| X-VIVO 15 | BioWhittaker Molecular Applications |
| X-VIVO 20 | BioWhittaker Molecular Applications |
| Xamine | Thermo Fisher Scientific |
| XAR | Eastman Kodak Co. |
| Xbox | Microsoft Corp. |
| XC | Sperian |
| Xcalibur | Thermo Fisher Scientific |
| Xcalibur | Thermo Fisher Scientific |
| XCaper | Whiffs |
| XCEL | Biotrace Ltd. |
| Xcel | Scott Technologies |
| XCell | Invitrogen |
| XCell II | Invitrogen |
| XCell II | Novel Experimental Technology |
| XCell SureLock | Invitrogen |
| xD-Picture Card | Fuji Photo Film |
| Xenoy | GE Plastics |
| Xerolyt | Mettler Toledo |
| Xi-Clone | Genlantis |
| XL10-Gold | Stratagene |
| XM-Series | Carson Optical |
| xMAP | Luminex Corp. |
| Xpand | Dade Behring Inc. |
| Xpect | Thermo Fisher Scientific |
| XPert | Labconco |
| Xpress | Invitrogen |
| XRT | TOWA Corporation |
| XSERIES 2 | Thermo Fisher Scientific |
| Xstream | Labconco |
| XT HP | Streamlight, Inc. |
| xTAG | Luminex Corp. |
| XTerra | Waters Corporation |
| XTI | Restek Corporation |
| XTL | Motorola |
| XTP | Norcross Safety Products |
| Xtra-PFE | Kimberly-Clark Corp. |
| xtraclean | Miller Products |
| Xtralite | Difco Performance Fabrics, Inc. |
| XtraTuff | TOWA Corporation |
| Xtreme | MSA |
| XtremeView | ViewSonic |
| Xtrication | Shelby Group International |
| XTS | Motorola |
| XVault | Thermo Fisher Scientific |
| Xylocaine | AstraZenica LP |