Christopher J. Engdahl
6Patents
4h-index
4Co-inventors
46Inventor score
Filing activity: Oct 31, 2007 → Jul 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7895319B2 | Variable DNS responses based on client identity | Electricity | 12 | Active |
| US8060927B2 | Security state aware firewall | Electricity | 7 | Active |
| US8935748B2 | Secure DNS query | Electricity | 6 | Active |
| US9740781B2 | Secure DNS query | Electricity | 6 | Active |
| US8875237B2 | Private network access using IPv6 tunneling | Electricity | 4 | Active |
| US11216514B2 | Secure DNS query | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.