Active Power INC
Doing business as C. T. CORPORATION SYSTEM (Previous Legal)
At a glance
Employees20-99
In business sinceNot reported
HeadquartersAustin, TX
US patents44
SAM.gov UEILFYWCVQ72DB4
CAGE code8FRV2
Incorporated inDC
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Certifications
ISO 9001
Patents
44 US patents granted 1998–2017, none of them in the five years to SEP 2025.
Electrical machinery, apparatus, energy 32Engines, pumps, turbines 4Control 3Thermal processes and apparatus 3Mechanical elements 1
- Apparatus and methods for backfeed detection in and control of uninterruptible power systemsUS 9,627,923 · granted APR 18, 2017
- Insulation system for prevention of corona dischargeUS 8,822,822 · granted SEP 2, 2014
- Systems and methods for providing backup energy to a loadUS 8,671,686 · granted MAR 18, 2014
- Systems and methods for controlling temperature and pressure of fluidsUS 8,333,330 · granted DEC 18, 2012
- Systems and methods for controlling humidityUS 7,918,091 · granted APR 5, 2011
Newest 5 shown · Granted to Active Power, Inc. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Active Power INC | Austin | TX | 20–99 | 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.