Inventor · disambiguated record
Roger Haeffner
Also filed as: HAEFFNER ROGER · HAEFFNER ROGER CLARENCE
3 granted patents·68 citations·filing 1992–1995
72Inventor score
Technology areasB01D
Top patents by PatentIndex Score
3 records- 0164US5804071ARotating disc filter meansNORDIC WATER PROD AB·Filed 1995·Granted Sep 8, 1998·38 cites·7 claims
- 0257US5667680AArrangement in liquid filters in which the filtrate is divided in two fractionsNORDIC WATER PROD AB·Filed 1994·Granted Sep 16, 1997·25 cites·5 claims
- 0328US5692619AApparatus for filtering suspensionsBELOIT TECHNOLOGIES INC·Filed 1992·Granted Dec 2, 1997·5 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Roger Haeffner 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 →