Assignee
DETECTOR SYSTEMS INC
US·7 granted patents·153 citations·filing 1978–1991
Top patents by PatentIndex Score
7 records- 0170US5089815AVehicle communication system using existing roadway loopsDETECTOR SYSTEMS INC·Filed 1989·Granted Feb 18, 1992·27 cites·14 claims
- 0270US4293841APedestrian traffic control systemDETECTOR SYSTEMS INC·Filed 1978·Granted Oct 6, 1981·18 cites·18 claims
- 0369US5247297AVehicle detector method for multiple vehicle countingDETECTOR SYSTEMS INC·Filed 1991·Granted Sep 21, 1993·31 cites·19 claims
- 0466US4731867AVehicle communication system using existing roadway loopsDETECTOR SYSTEMS INC·Filed 1986·Granted Mar 15, 1988·30 cites·14 claims
- 0565US5198811AVehicle communication system using existing roadway loops wherein the physical integrity of the loop is kept intactDETECTOR SYSTEMS INC·Filed 1991·Granted Mar 30, 1993·29 cites·16 claims
- 0648US4996716AVehicle communication system using existing roadway loopsDETECTOR SYSTEMS INC·Filed 1989·Granted Feb 26, 1991·11 cites·14 claims
- 0742US5028921AVehicle detector method and systemDETECTOR SYSTEMS INC·Filed 1989·Granted Jul 2, 1991·7 cites·51 claims
Join the waitlist — get patent alerts
Get an alert when DETECTOR SYSTEMS INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →