Patents
US 12553345 B2: Organic rankine cycle decompression heat engine
- Granted
- 2026-02-17
- Filed
- 2025-05-07 application 19201398
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A heat engine is configured to receive a high-pressure fluid and release a low-pressure fluid. The heat engine includes a main housing including an expansion tank and a generator housing. The heat engine includes a scroll decompressor disposed in the expansion tank. The scroll decompressor is configured to progressively decompress the high-pressure fluid to the low-pressure fluid while rotating a main shaft. The heat engine includes a generator disposed in the generator housing. The generator is driven by the main shaft. The heat engine includes a coupling disposed on the main housing configured to couple with a power receiving device. The coupling is configured to transfer rotational motion of the generator to a rotational input of the power receiving device.
Source: PTBLXML, file of 2026-02-17 (ipgb20260217.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Heat Source Energy Corp. 8 patents | US company or organization | American Fork, UT | Heat Source Energy Corp Form D issuer EXACT high confidence: identical full name and state | PTBLXML, file of 2026-02-17 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Keith Sterling Johnson | American Fork, UT | 11 | PTBLXML, file of 2026-02-17 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F01C | Rotary-piston or oscillating-piston machines or engines | F01C1/0207 | PTBLXML, file of 2026-02-17 |
| F01K | Steam engine plants; steam accumulators; engine plants not otherwise provided for; engines using special working fluids or cycles | F01K7/36 | PTBLXML, file of 2026-02-17 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2025-08-11 | Assignment Assignment of assignor's interest | JOHNSON, KEITH STERLING signed 2025-04-05 | HEAT SOURCE ENERGY CORP. AMERICAN FORK, UT | 71980/296 | 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.