Patents
US 12241581 B2: Pipe for conveying fluids in HVACR systems and composite coating for such a pipe
- Granted
- 2025-03-04
- Filed
- 2021-08-09 application 17397264
- Type
- Utility · 21 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
The present invention relates to a composite coating for an inner tube delimiting a passageway for a fluid for obtaining a pipe for conveying fluids in HVACR systems. A composite coating according to the present invention includes at least one tubular insulating cover made of an insulation material and designed to cover an inner tube, said insulation material including a mixture of polyvinyl chloride (PVC), nitrile butadiene rubber (NBR), ethylene-propylene-diene-monomer (EPDM) and/or polypropylene (PP) based foam, and further includes at least one tubular jacket coating said tubular insulating cover, which tubular jacket is made of at least one compound selected from the group including thermoplastic elastomer, polyethylene (PE), polyvinyl chloride (PVC) or a mixture of elastomers and polymers.
Source: PVGPATDIS, file of 2026-04-10 (ipg250304.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| PTUBES, INC. 5 patents | US company or organization | Honesdale, PA | PTUBES, INC. Federal lobbying client EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Nicola Pilone | Clarks Green, PA | 5 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16L | Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general | F16L59/029 | PVGPATDIS, file of 2026-04-10 |
| B32B | Layered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form | B32B1/08 | PVGPATDIS, file of 2026-04-10 |
| F24F | Air-conditioning; air-humidification; ventilation; use of air currents for screening | F24F1/26 | 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 |
|---|---|---|---|---|---|
| 2021-09-22 | Assignment Assignment of assignor's interest | PILONE, NICOLA signed 2021-08-20 | PTUBES, INC. HONESDALE, PA | 57563/808 | 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.