|
2021
|
Invention
|
Low emission direct fired process air heating. 222 and low CO via a feedback control system. |
|
|
Invention
|
Low emission direct fired process air heating.
A system and method for heating process... |
|
2019
|
Invention
|
Optimized mine ventilation system. The optimized mine ventilation system of this invention supple... |
|
2018
|
P/S
|
Computer software that models, simulates, monitor and control ventilation functions in industrial... |
|
2016
|
P/S
|
Underground mine ventilation control and optimization system comprising flow meters, automatic an... |
|
2012
|
P/S
|
Fans and blowers for commercial and industrial use, namely, axial, radial, centrifugal, and extra... |
|
2008
|
Invention
|
Optimized mine ventilation system. The optimized mine ventilation system of this invention... |
|
2006
|
Invention
|
Extremal voltage detector with high input impedance. An extremal voltage detector produces an out... |
|
1998
|
P/S
|
large vane axial and tube axial fans for use for ventilating purposes in mining markets and for u... |
