Patents
US 12624738 B2: Methods of manufacturing gas spring end member assemblies and gas spring assemblies including same
- Granted
- 2026-05-12
- Filed
- 2021-02-11 application 17799057
- Type
- Utility · 19 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An end member assembly is dimensioned for securement to an associated flexible spring member. End member assembly includes first, second and third end member sections. First end member section includes a first outer peripheral wall portion. Second end member section includes a second outer peripheral wall portion. Second end member section is positioned in abutting engagement with the first end member section such that a groove extends peripherally around first and second end member sections between first and second outer peripheral wall portions. Third end member section is injection molded in situ with first and second end member sections such that third end member section extends peripherally around first and second end member sections within groove. Gas spring assemblies and vehicle suspension systems are also included.
Source: PTBLXML, file of 2026-05-12 (ipgb20260512.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Firestone Industrial Products Company, LLC 193 patents | US company or organization | Nashville, TN | PTBLXML, file of 2026-05-12 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Michael F. Schweisthal | Nashville, TN | PTBLXML, file of 2026-05-12 | ||
| Jan Van Aartsen | Arnhem, NL | 4 | PTBLXML, file of 2026-05-12 | |
| Pawel Wojtkowiak | Velp, NL | PTBLXML, file of 2026-05-12 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16F | Springs; shock-absorbers; means for damping vibration | F16F9/052 | PTBLXML, file of 2026-05-12 |
| B29C | Shaping or joining of plastics; shaping of material in a plastic state, not otherwise provided for; after-treatment of the shaped products, e.g. repairing | B29C45/0062 | PTBLXML, file of 2026-05-12 |
| B29L | Indexing scheme associated with subclass b29c, relating to particular articles | B29L2031/721 | PTBLXML, file of 2026-05-12 |
| B60G | Vehicle suspension arrangements | B60G11/27 | PTBLXML, file of 2026-05-12 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2022-08-11 | Assignment Assignment of assignor's interest | SCHWEISTHAL, MICHAEL F. signed 2020-02-13 VAN AARTSEN, JAN signed 2020-02-13 WOJTKOWIAK, PAWEL signed 2020-02-13 | FIRESTONE INDUSTRIAL PRODUCTS COMPANY, LLC NASHVILLE, TN | 60784/776 | PASDL, file of 2026-10-15 |
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.