Inventor · disambiguated record
Michael E. Drager
Also filed as: DRAGER MICHAEL · DRAGER MICHAEL E
6 granted patents·112 citations·filing 1990–1991
84Inventor score
Files withECOWATER SYSTEMS INC6
Top patents by PatentIndex Score
6 records- 0185US5152321ABypass valveECOWATER SYSTEMS INC·Filed 1991·Granted Oct 6, 1992·59 cites·14 claims
- 0261USD337633SBypass valve for a liquid treatment tankECOWATER SYSTEMS INC·Filed 1991·Granted Jul 20, 1993·11 cites·1 claims
- 0354US5162080ARotary flow control valveECOWATER SYSTEMS INC·Filed 1991·Granted Nov 10, 1992·27 cites·8 claims
- 0447USD336051SWater softener control and indicating panelECOWATER SYSTEMS INC·Filed 1991·Granted Jun 1, 1993·6 cites·1 claims
- 0544USD328331SWater softenerECOWATER SYSTEMS INC·Filed 1990·Granted Jul 28, 1992·5 cites·1 claims
- 0641USD328330SWater softenerECOWATER SYSTEMS INC·Filed 1990·Granted Jul 28, 1992·4 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Michael E. Drager 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 →