| HYDROTECT 1501668 · TMA848364 · design | TOTO LTD. | 17 Rubber | Registered | 2013 |
| HYDROTECT 1480464 · TMA848220 | TOTO LTD. | 2 Paints6 Metal9 Electronics+4 | Registered | 2013 |
| HYDRODARCO 1184466 · TMA617221 | CABOT NORIT AMERICAS, INC. | 1 Chemicals | Registered | 2004 |
| HYDROTOUCH 2158872 | Atmos Project, LLC | 9 Electronics | Pending | 2022 |
| HydroDerm 2195697 · TMA1256396 | HydroDerm Manufacturing Inc. | 10 Medical | Registered | 2024 |
| HYDROTEC 2164252 · TMA1220525 · design | General Motors LLC | 9 Electronics | Registered | 2024 |
| HYDROTEC 2164251 · TMA1220524 | General Motors LLC | 9 Electronics | Registered | 2024 |
| HYDROTEC 2164250 · TMA1220523 · design | General Motors LLC | 7 Machines | Registered | 2024 |
| HYDROTEC 2164249 · TMA1220522 | General Motors LLC | 7 Machines | Registered | 2024 |
| HYDROTECH 2061583 · TMA1277146 | Winston Products, LLC | 6 Metal17 Rubber20 Furniture+2 | Registered | 2024 |
| HYDROTEC 1803293 · TMA1056254 | General Motors LLC | 9 Electronics | Registered | 2019 |
| HYDROTEC 1803289 · TMA1056243 · design | General Motors LLC | 9 Electronics | Registered | 2019 |
| HYDROTURF 1651070 · TMA950972 | Watershed Geosynthetics LLC, Corporation organized pursuant to the laws of the State of Georgia, U.S.A | 27 Carpets | Registered | 2016 |
| HYDROTURF 1651047 · TMA950964 · design | Watershed Geosynthetics LLC, Corporation organized pursuant to the laws of the State of Georgia, U.S.A | 27 Carpets | Registered | 2016 |
| HYDROTEC 1620095 · TMA927333 · design | INA International Ltd. | 25 Clothing | Registered | 2016 |
| HYDROTEC 1620094 · TMA890450 | INA International Ltd. | 25 Clothing | Registered | 2014 |
| HydraDump 1575017 · TMA907711 | Loram Technologies, Inc. | 7 Machines12 Vehicles | Registered | 2015 |
| HYDROTUBE 1138586 · TMA600302 | Éconoplastik inc. | 3 Cosmetics5 Pharmaceuticals10 Medical+5 | Registered | 2004 |
| HYDRODRAW 1038777 · TMA572459 | Houghton Technical Corp. | 4 Oils | Registered | 2002 |
| HYDROTECH 0695379 · TMA492046 · design | Canature WaterGroup Canada Inc. | 9 Electronics11 Lighting | Registered | 1998 |
| HYDROTECH 0688277 · TMA489795 · design | KIK HOLDCO COMPANY INC. | 1 Chemicals3 Cosmetics5 Pharmaceuticals+3 | Registered | 1998 |
| HYDROTECH 2321793 | Canature WaterGroup Canada Inc. | 11 Lighting | Pending | 2024 |
| HYDRODRY 2239021 | Owner not listed | 19 Building | Pending | 2023 |
| HYDROTECH 2017771 | HYDROTECH MINING INC. | 7 Machines37 Construction39 Transport+2 | Pending | 2020 |
| HYDRODRAIN 2320425 | Sika Canada Inc. | 19 Building | Pending | 2024 |