Patents
US 12447548 B2: Jacket for a cartridge of a liquid-cooled plasma arc torch
- Granted
- 2025-10-21
- Filed
- 2021-07-08 application 17370485
- Type
- Utility · 38 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A jacketed consumable cartridge is provided for a liquid cooled plasma arc torch. The jacketed consumable cartridge comprises an electrode, a swirl ring securely affixed to and disposed circumferentially about a distal end of the electrode, and a nozzle securely affixed to the swirl ring, the nozzle disposed circumferentially about the distal end of the electrode with a portion of the swirl ring located therebetween. The cartridge also comprises a cartridge jacket securely affixed to and disposed circumferentially about a distal end of the nozzle and a shield securely affixed to and disposed circumferentially about a distal end of the cartridge jacket. A proximal end of the cartridge jacket is adapted to extend (i) axially past a proximal end of the shield and (ii) radially beyond a radial extent of the shield.
Source: PVGPATDIS, file of 2026-04-10 (ipg251021.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Hypertherm, Inc. 239 patents | US company or organization | Hanover, NH | HYPERTHERM INC Form D issuer EXACT high confidence: identical full name and state HYPERTHERM, 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 |
|---|---|---|---|---|
| Stephen M. Dunbar | Lebanon, NH | 7 | PVGPATDIS, file of 2026-04-10 | |
| Christopher Pillsbury | Lebanon, NH | 6 | PVGPATDIS, file of 2026-04-10 | |
| Micah Roberts | Lebanon, NH | 6 | PVGPATDIS, file of 2026-04-10 | |
| David L. Bouthillier | Hartford, VT | 8 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| B23K | Soldering or unsoldering; welding; cladding or plating by soldering or welding; cutting by applying heat locally, e.g. flame cutting; working by laser beam | B23K9/29 | PVGPATDIS, file of 2026-04-10 |
| H05H | Plasma technique ; production of accelerated electrically-charged particles or of neutrons; production or acceleration of neutral molecular or atomic beams | H05H1/38 | 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 |
|---|---|---|---|---|---|
| 2022-01-25 | Assignment Assignment of assignor's interest | PILLSBURY, CHRISTOPHER signed 2021-07-16 ROBERTS, MICAH signed 2021-07-20 DUNBAR, STEPHEN M. signed 2021-07-23 BOUTHILLIER, DAVID L. signed 2022-01-19 | HYPERTHERM, INC. HANOVER, NH | 58758/308 | 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.