Sleep system noise reducing valve
US-12514376-B2 · Jan 6, 2026 · US
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Douglas Ryan patents
Douglas Ryan is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Douglas Ryan |
| Total patents | 8 |
| First publication | Jun 9, 2020 |
| Latest publication | Jan 6, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Pump housing with vertically supported vibration isolators
US-12392332-B2 · Aug 19, 2025 · US
Noise Reducing Plunger
US-2024251961-A1 · Aug 1, 2024 · US
Noise reducing plunger
US-11950702-B2 · Apr 9, 2024 · US
Pump With Vibration Isolators
US-2024011476-A1 · Jan 11, 2024 · US
Noise reducing plunger
US-10993546-B2 · May 4, 2021 · US
Pump With Vibration Isolators
US-2020400135-A1 · Dec 24, 2020 · US
Pump with vibration isolators
US-10677232-B2 · Jun 9, 2020 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Sleep Number Corp | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04B53/001 | 4 |
| F04B53/16 | 4 |
| F04B39/0044 | 4 |
| F16F1/46 | 4 |
| F04B53/003 | 4 |