Photon Control Inc.
7Patents
4Active
7Granted
43Portfolio score
Filing activity: Sep 3, 2004 → Aug 3, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7265832B2 | Optical flow meter for measuring gases and liquids in pipelines | Physics | 10 | Expired |
| US7466399B2 | Fiber optic flow sensing device and method | Physics | 6 | Expired |
| US11112356B2 | Optical reflective edge or contrast sensor | Physics | 3 | Active |
| US7609368B2 | Optical device and method for sensing multiphase flow | Physics | 3 | Expired |
| US7911591B2 | Optical transit time velocimeter | Physics | 2 | Active |
| US12332402B2 | Multi-channel programmable detection sensor | Physics | 0 | Active |
| US11585698B2 | Fiber optic temperature probe | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.