Zinc free lubricating compositions and methods of using the same
US-2025263626-A1 · Aug 21, 2025 · US
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Delbridge Ewan E patents
Delbridge Ewan E is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Delbridge Ewan E |
| Total patents | 9 |
| First publication | Dec 22, 2022 |
| Latest publication | Aug 21, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Basic ashless additives and lubricating compositions containing same
US-12371631-B2 · Jul 29, 2025 · US
Zinc free lubricating compositions and methods of using the same
US-12305141-B2 · May 20, 2025 · US
Zinc Free Lubricating Compositions And Methods Of Using The Same
US-2024199974-A1 · Jun 20, 2024 · US
Lubricating compositions and methods of operating an internal combustion engine
US-11932825-B2 · Mar 19, 2024 · US
Basic Ashless Additives And Lubricating Compositions Containing Same
US-2024084211-A1 · Mar 14, 2024 · US
Lubricating compositions and methods of operating an internal combustion engine
US-2023212476-A1 · Jul 6, 2023 · US
Lubricating compositions and methods of operating an internal combustion engine
US-2023151295-A1 · May 18, 2023 · US
Lubricating compositions and methods of operating an internal combustion engine
US-2022403284-A1 · Dec 22, 2022 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Lubrizol Corp | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10M2219/046 | 9 |
| C10M169/04 | 8 |
| C10N2030/10 | 8 |
| C10M2223/045 | 7 |
| C10M141/10 | 7 |