Patents
US 10619895 B1: Rooftop liquid desiccant systems and methods
- Granted
- 2020-04-14
- Filed
- 2019-04-30 application 16399165
- Type
- Utility · 21 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Liquid desiccant air-conditioning systems cool and dehumidify a space in a building when operating in a cooling operation mode, and heat and humidify the space when operating in a heating operation mode.
Source: PVGPATDIS, file of 2026-04-10 (ipg200414.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 |
|---|---|---|---|
| F25B | Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems | F25B30/04 | PVGPATDIS, file of 2026-04-10 |
| 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 |
| 2019-06-12 | Assignment Assignment of assignor's interest | VANDERMEULEN, PETER F. signed 2014-11-20 | 7AC TECHNOLOGIES, INC. BEVERLY, MA | 49448/690 | 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.