Inventor · disambiguated record
Alan J. Greaves
Also filed as: GREAVES ALAN J · GREAVES ALAN JOHN · ROLLETT JOHN M
7 granted patents·89 citations·filing 1976–1988
84Inventor score
Top patents by PatentIndex Score
7 records- 0179US4147997AActive filters utilizing networks of resistors and negative impedance convertersPOST OFFICE·Filed 1977·Granted Apr 3, 1979·21 cites·11 claims
- 0264US4947436ASpeaker verification using memory addressBRITISH TELECOMM·Filed 1988·Granted Aug 7, 1990·42 cites·18 claims
- 0358US4315229ABandstop filtersPOST OFFICE·Filed 1980·Granted Feb 9, 1982·12 cites·12 claims
- 0433US4091340AOscillator circuit arrangements including nullator-norator pairsPOST OFFICE·Filed 1976·Granted May 23, 1978·4 cites·1 claims
- 0532US4217562AEqualizer networks providing a bump shaped responsePOST OFFICE·Filed 1978·Granted Aug 12, 1980·3 cites·9 claims
- 0629US4686486AActive filter having series resonant active filter terminated by parallel resonant active filterBRITISH TELECOMM·Filed 1985·Granted Aug 11, 1987·5 cites·10 claims
- 0728US4091341AOscillator circuit arrangements including nullator-norator pairsPOST OFFICE·Filed 1976·Granted May 23, 1978·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Alan J. Greaves files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →