Patents
US 9709285 B2: Methods and systems for liquid desiccant air conditioning system retrofit
- Granted
- 2017-07-18
- Filed
- 2014-03-14 application 14212263
- Type
- Utility · 18 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Methods and systems are disclosed for utilizing liquid desiccant air conditioning systems in connection with existing HVAC equipment to achieve reductions in electricity consumption.
Source: PVGPATDIS, file of 2026-04-10 (ipg170718.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| 7AC Technologies, Inc. 35 patents | US company or organization | Beverly, MA | 7AC Technologies, Inc. Form D issuer EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Peter F. Vandermeulen | Newburyport, MA | 47 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F24F | Air-conditioning; air-humidification; ventilation; use of air currents for screening | F24F3/1417 | 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 |
|---|---|---|---|---|---|
| 2024-07-09 | Security interest Security interest Security interest | COPELAND LP signed 2024-07-08 | U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT ST. PAUL, MN | 68241/264 | PASDL, file of 2026-10-15 |
| 2023-07-17 | Security interest Security interest Security interest | COPELAND LP signed 2023-05-31 | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT LOS ANGELES, CA | 64280/695 | PASDL, file of 2026-10-15 |
| 2023-07-17 | Security interest Security interest Security interest | COPELAND LP signed 2023-05-31 | U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT ST. PAUL, MN | 64279/327 | PASDL, file of 2026-10-15 |
| 2023-07-17 | Security interest Security interest Security interest | COPELAND LP signed 2023-05-31 | ROYAL BANK OF CANADA, AS COLLATERAL AGENT TORONTO | 64278/598 | PASDL, file of 2026-10-15 |
| 2023-06-22 | Correction Entity conversion | EMERSON CLIMATE TECHNOLOGIES, INC. signed 2023-05-03 | COPELAND LP SIDNEY, OH | 64058/724 | PASDL, file of 2026-10-15 |
| 2021-04-01 | Merger Merger | 7AC TECHNOLOGIES, INC. signed 2021-01-31 | EMERSON CLIMATE TECHNOLOGIES, INC. SIDNEY, OH | 55800/396 | ECORSEXC, file of 2026-09-25 |
| 2014-12-05 | Assignment Assignment of assignor's interest | VANDERMEULEN, PETER F. signed 2013-11-04 | 7AC TECHNOLOGIES, INC. BEVERLY, MA | 34385/768 | 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.