Inventor · disambiguated record
Roger Haag
Also filed as: HAAG ROGER · HAAG ROGER THOMAS
5 granted patents·20 citations·filing 1991–2017
74Inventor score
Top patents by PatentIndex Score
5 records- 0148US6391192B1Apparatus for treating biological sludgeHTI INC·Filed 2000·Granted May 21, 2002·5 cites·6 claims
- 0233US10150138B1Interface for inserting bonding material between the joins of two interlocking membersHAAG ROGER THOMAS·Filed 2017·Granted Dec 11, 2018·0 cites·18 claims
- 0333US5286384ASludge scraper apparatusENVIROLAND INC·Filed 1993·Granted Feb 15, 1994·8 cites·21 claims
- 0429US5250199ASludge scraper apparatusENVIROLAND INC·Filed 1992·Granted Oct 5, 1993·6 cites·11 claims
- 0526USD341670SPrecast sludge tank roof panel with removable grateENVIROLAND INC·Filed 1991·Granted Nov 23, 1993·1 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Roger Haag 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 →