| DRILLTEC 1007349 · TMA538648 | Drilltec Patents & Technologies Corporation | 6 Metal9 Electronics12 Vehicles+10 | Registered | 2000 |
| DRILLTEC 1007348 · TMA533506 · design | Drilltec Patents & Technologies Corporation | 6 Metal9 Electronics12 Vehicles+10 | Registered | 2000 |
| DRILTECH 0412603 · TMA231670 · design | Sandvik Mining and Construction USA, LLC | 7 Machines | Registered | 1979 |
| DrillTek 2247155 | Drill-Tek MWD Services Ltd. | 9 Electronics35 Advertising42 Science | Pending | 2023 |
| drilltrend 1891430 · TMA1091973 | an individual | 42 Science | Registered | 2021 |
| DRILTREAT 0239471 · TMA108045 | Halliburton Energy Services, Inc. (a Delaware Corporation) | 1 Chemicals16 Paper | Registered | 1957 |
| DURALATCH 2308334 | Paladin Brands Group, Inc. | 7 Machines | Pending | 2024 |
| DURALYTE 2208530 · TMA1228475 | Epsilyte LLC | 1 Chemicals | Registered | 2024 |
| DUROLIT 2044044 · TMA1165504 | Durum Verschleißschutz GmbH | 6 Metal | Registered | 2023 |
| DARIOHEALTH 1834391 · TMA1014194 | Labstyle Innovations, Ltd. | 5 Pharmaceuticals9 Electronics10 Medical | Registered | 2019 |
| DERAILED 1734013 · TMA943101 | 1207790 Alberta Ltd. | 32 Beer | Registered | 2016 |
| DURALITON 1707658 · TMA986903 | It Luggage Limited | 18 Leather | Registered | 2017 |
| DURALITE 1678811 · TMA1035088 · design | Westfield Outdoors GmbH | 6 Metal9 Electronics16 Paper+8 | Registered | 2019 |
| DURALITE 1446119 · TMA779608 | Banom, Inc. | 9 Electronics | Registered | 2010 |
| DURALTAG 1425521 · TMA815967 | Owner not shown | 9 Electronics | Registered | 2012 |
| DURALITE 1331648 · TMA758012 | BISSELL Inc. | 7 Machines | Registered | 2010 |
| DRYWELD 1271643 · TMA747676 | The North Face Apparel Corp. | 22 Ropes | Registered | 2009 |
| DURALITE 1241535 · TMA652183 | Crane Composites, Inc. (a Delaware corporation) | 19 Building | Registered | 2005 |
| DROLET 1183565 · TMA635821 · design | Fabricant de poêles international inc. | 6 Metal9 Electronics11 Lighting | Registered | 2005 |
| DURALITE 0866547 · TMA524168 | Krueger International, Inc. (a Wisconsin corporation) | 20 Furniture28 Toys | Registered | 2000 |
| DURULITE 0772093 · TMA449249 | CHASE INDUSTRIES, INC. | 19 Building | Registered | 1995 |
| DURALITE 0676145 · TMA398548 | Les Produits Moulés Synertech, Division de Les matériaux de construction Oldcastle Canada, Inc./Synertech Moulded Products, Division of Oldcastle Building Products Canada, Inc. | 9 Electronics19 Building | Registered | 1992 |
| DARAWELD 0442560 · TMA244631 | GCP Applied Technologies Inc. | 1 Chemicals | Registered | 1980 |
| DUROLITE 0245162 · TMA119700 | Plasti-Fab Ltd. | 9 Electronics11 Lighting12 Vehicles+3 | Registered | 1960 |
| DARILOID 0209946 · UCA38781 | Owner not shown | 1 Chemicals | Registered | 1951 |