Inventor

SIEGWART DAVID

CH6 patents

⚠️ This page may combine multiple inventors who share the name “SIEGWART DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CERBERUS AG

3 patents

US4743886AMay 10, 1988

Testing apparatus for intrusion detectors

CERBERUS AG24 citations80

US4729120AMar 1, 1988

Method of, and circuit arrangement for, function control of ultrasonic alarm installations

CERBERUS AG23 citations80

US4727522AFeb 23, 1988

Method of, and circuit arrangement for, function control of ultrasonic alarm installations

CERBERUS AG22 citations80

SIEMENS TECHNOLOGIES AG CERBER

1 patent

US6377174B1Apr 23, 2002

Intrusion detector having a sabotage surveillance device

SIEMENS TECHNOLOGIES AG CERBER35 citations86

SIEMENS BUILDING TECH AG

1 patent

US6800854B2Oct 5, 2004

Passive infrared detector

SIEMENS BUILDING TECH AG11 citations71

IBM

1 patent

US10776255B1Sep 15, 2020

Automatic verification of optimization of high level constructs using test vectors

IBM1 citations57