Inventor · disambiguated record
John M. Lehto
Also filed as: LEHTO JOHN M
11 granted patents·343 citations·filing 1986–2000
92Inventor score
Top patents by PatentIndex Score
11 records- 0193US5203161AMethod and arrangement for cooling air to gas turbine inletLEHTO JOHN M·Filed 1990·Granted Apr 20, 1993·134 cites·10 claims
- 0284US6514321B1Dehumidification using desiccants and multiple effect evaporatorsPOWERMAX INC·Filed 2000·Granted Feb 4, 2003·65 cites·22 claims
- 0381US5019360AMethod for the processing of fly ash, scrubber sludge and the like; and productNORTHERN STATES POWER CO·Filed 1990·Granted May 28, 1991·27 cites·5 claims
- 0470US4762686AFlue gas scrubber systemNORTHERN STATES POWER CO·Filed 1986·Granted Aug 9, 1988·31 cites·8 claims
- 0568US5066325ACogeneration process for production of energy and iron materials, including steelNORTHERN STATES POWER CO·Filed 1989·Granted Nov 19, 1991·17 cites·20 claims
- 0663US5064174AApparatus for production of energy and iron materials, including steelNORTHERN STATES POWER CO·Filed 1988·Granted Nov 12, 1991·14 cites·18 claims
- 0758US4986966ARetrofit flue gas scrubber systemNORTHERN STATES POWER CO·Filed 1989·Granted Jan 22, 1991·20 cites·10 claims
- 0849US4861558AFlue gas scrubber system with chloride removalNORTHERN STATES POWER CO·Filed 1988·Granted Aug 29, 1989·14 cites·8 claims
- 0947US4853195AFlue gas scrubber systemNORTHERN STATES POWER CO·Filed 1987·Granted Aug 1, 1989·13 cites·12 claims
- 1041US5055131ACogeneration process for production of energy and iron materialsNORTHERN STATES POWER CO·Filed 1989·Granted Oct 8, 1991·4 cites·6 claims
- 1141US5045112ACogeneration process for production of energy and iron materials, including steelNORTHERN STATES POWER CO·Filed 1988·Granted Sep 3, 1991·4 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when John M. Lehto 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 →