JL

John M. Lehto

NP Northern States Power: 9 patents #1 of 5Top 20%
📍 Cokato, MN: #7 of 50 inventorsTop 15%
🗺 Minnesota: #6,858 of 52,454 inventorsTop 15%
Overall (All Time): #471,625 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6514321 Dehumidification using desiccants and multiple effect evaporators John Tyson 2003-02-04
5203161 Method and arrangement for cooling air to gas turbine inlet 1993-04-20
5066325 Cogeneration process for production of energy and iron materials, including steel 1991-11-19
5064174 Apparatus for production of energy and iron materials, including steel Raymond L. Smith 1991-11-12
5055131 Cogeneration process for production of energy and iron materials 1991-10-08
5045112 Cogeneration process for production of energy and iron materials, including steel 1991-09-03
5019360 Method for the processing of fly ash, scrubber sludge and the like; and product 1991-05-28
4986966 Retrofit flue gas scrubber system 1991-01-22
4861558 Flue gas scrubber system with chloride removal 1989-08-29
4853195 Flue gas scrubber system 1989-08-01
4762686 Flue gas scrubber system 1988-08-09