Patents
US 12257798 B2: Envelope spreader system for enveloping a retreaded tire
- Granted
- 2025-03-25
- Filed
- 2023-01-10 application 18095347
- Type
- Utility · 12 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
An envelope spreader system includes a chassis having an opening, a linkage assembly comprising a plurality of links rotatably coupled to the chassis and extending into the opening, and an actuator operably coupled to the linkage assembly and configured to operate the linkage assembly between a first position and a second position. The plurality of links includes a primary link having a primary link first end rotatably coupled to the chassis at a first fixed pivot point and a primary link second end configured to operably engage a portion of a tire envelope and a secondary link having a secondary link first end rotatably coupled to the chassis at a second fixed pivot point and a secondary link second end configured to engage a portion the tire envelope.
Source: PVGPATDIS, file of 2026-04-10 (ipg250325.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Bridgestone Bandag, LLC 101 patents | US company or organization | Nashville, TN | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Merle E. Meier | Nashville, TN | 1 | PVGPATDIS, file of 2026-04-10 | |
| Jaime J. Benitez | Nashville, TN | 3 | PVGPATDIS, file of 2026-04-10 | |
| Jeremy J. Nartker | Nashville, TN | 1 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B29D | Producing particular articles from plastics or from substances in a plastic state | B29D30/542 | 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 |
|---|---|---|---|---|---|
| 2023-05-16 | Assignment Assignment of assignor's interest | MEIER, MERLE E. signed 2023-05-15 BENITEZ, JAIME J. signed 2022-12-21 NARTKER, JEREMIAH J. signed 2022-09-16 | BRIDGESTONE BANDAG, LLC NASHVILLE, TN | 63649/721 | PASDL, file of 2026-08-13 |
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.