Danfoss, LLC
Doing business as C. T. CORPORATION SYSTEM (Previous Legal)
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersMiddle River, MD
US patents6
SAM.gov UEIPKEQJ9G2KTC7
CAGE code6VBL2
Incorporated inDE
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit Organization
Self-certified by the company in its SAM.gov registration
Patents
6 US patents granted 1996–2019, none of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 2Engines, pumps, turbines 1Mechanical elements 1Thermal processes and apparatus 1Control 1
- Scroll compressor provided with a lubrication systemUS 10,436,201 · granted OCT 8, 2019
- Refrigeration control apparatus and methodUS 6,711,445 · granted MAR 23, 2004
- Integral end cover for condenser or evaporatorUS 6,116,334 · granted SEP 12, 2000
- Method for measuring phase currents in an inverterUS 5,969,958 · granted OCT 19, 1999
- Solenoid valve assembly with rapid connection clipUS 5,581,222 · granted DEC 3, 1996
Newest 5 shown · Granted to Danfoss LLC · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Danfoss, LLC | Middle River | MD | — | LIKELY ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


