Tsakos Energy Navigation Limited
Utility Patent Applications
Last updated:
List of all Tsakos Energy Navigation Limited patents 10 in total
| Status | Patent |
|---|---|
Application | Utility: CORONA IGNITION DEVICE WITH IMPROVED ELECTRICAL PERFORMANCE Filling date: 26 Sep 2025 Issue date: 18 Nov 2021 |
Application | Utility: PISTON WITH KEYSTONE SECOND RING GROOVE FOR HIGH TEMPERATURE INTERNAL COMBUSTION ENGINES Filling date: 26 Sep 2025 Issue date: 10 Jun 2021 |
Application | Utility: COATED PISTON RING FOR AN INTERNAL COMBUSTION ENGINE Filling date: 26 Sep 2025 Issue date: 11 Mar 2021 |
Application | Utility: PISTON RING WITH INLAID DLC COATING AND METHOD OF MANUFACTURING Filling date: 26 Sep 2025 Issue date: 10 Sep 2020 |
Application | Utility: PISTON RING WITH INLAID DLC COATING AND METHOD OF MANUFACTURING Filling date: 26 Sep 2025 Issue date: 13 Aug 2020 |
Application | Utility: PISTON HAVING AN UNDERCROWN SURFACE WITH INSULATING COATING AND METHOD OF MANUFACTURE THEREOF Filling date: 26 Sep 2025 Issue date: 9 Jul 2020 |
Application | Utility: THERMALLY INSULATED ENGINE COMPONENTS USING A CERAMIC COATING Filling date: 26 Sep 2025 Issue date: 2 Jul 2020 |
Application | Utility: PISTON HAVING AN UNDERCROWN SURFACE WITH COATING AND METHOD OF MANUFACTURE THEREOF Filling date: 26 Sep 2025 Issue date: 23 Apr 2020 |
Application | Utility: PISTON COOLING GALLERY SHAPING TO REDUCE PISTON TEMPERATURE Filling date: 26 Sep 2025 Issue date: 16 Apr 2020 |
Application | Utility: PISTON RING WITH WEAR RESISTANT COATING Filling date: 26 Sep 2025 Issue date: 19 Mar 2020 |
Showing 1 to 10 of 10 patents.