Patents
US 11802604 B2: Gas spring and damper assemblies as well as suspension systems including same
- Granted
- 2023-10-31
- Filed
- 2019-11-13 application 17293882
- Type
- Utility · 20 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A gas spring and damper assembly includes a damper assembly and a gas spring assembly. The gas spring assembly is axially coextensive with the damper assembly and includes a flexible spring member, a first end member assembly and a second end member assembly. The first end member assembly includes a first wall portion that extends about a longitudinal axis and defines an end member chamber. A second wall portion projects outwardly beyond an outer peripheral surface portion of the first wall portion. The second wall portion at least partially defines an intermediate chamber in fluid communication with the end member chamber and is dimensioned to receive an associated control device. A third wall portion at least partially defines an end member passage through which the end member chamber can be selectively placed in fluid communication with the spring chamber by way of the intermediate chamber and the associated control device.
Source: PVGPATDIS, file of 2026-04-10 (ipg231031.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Firestone Industrial Products Company, LLC 193 patents | US company or organization | Nashville, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Jan van Aartsen | Arnhem, NL | 4 | PVGPATDIS, file of 2026-04-10 | |
| Joseph A. Bounds | Hermitage, TN | 14 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16F | Springs; shock-absorbers; means for damping vibration | F16F9/084 | PVGPATDIS, file of 2026-04-10 |
| B60G | Vehicle suspension arrangements | B60G15/10 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2021-05-13 | Assignment Assignment of assignor's interest | BOUNDS, JOSEPH A. signed 2020-01-31 VAN AARTSEN, JAN signed 2020-01-31 | FIRESTONE INDUSTRIAL PRODUCTS COMPANY, LLC NASHVILLE, TN | 56235/860 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.