DJ

David F. Johnston

BG Bha Group: 9 patents #3 of 58Top 6%
VT Voice Signal Technologies: 7 patents #3 of 20Top 15%
GE: 7 patents #4,929 of 36,430Top 15%
BG Babcock & Wilcox Power Generation Group: 3 patents #7 of 136Top 6%
NASA: 3 patents #448 of 3,881Top 15%
Overall (All Time): #89,822 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
11303232 Fan brake control system Brian Alexander Lesniak, Michael Mahler, Thomas Ray Hendrix, John W Stacks, III 2022-04-12
8409327 Control of grounded surface geometry in electrostatically enhanced fabric filters Robert Warren Taylor, Karim Younsi, Yingneng Zhou, Yaru Najem Mendez Hernandez, Prabhakar Neti 2013-04-02
8404020 Systems and methods for monitoring a rapping process Terry Lewis Farmer, Vivek Venugopal Badami, Charles Erklin Seeley, Michael Mahler, Timothy Gerald Lawrence 2013-03-26
8356588 System and method for controlling combustion Michael Mahler, David Michael Chapin 2013-01-22
8007566 Electrostatic precipitator having a spark current limiting resistors and method for limiting sparking Younsi Abdelkrim, Zhou Yingneng, Robert Warren Taylor 2011-08-30
8000102 Apparatus and arrangement for housing voltage conditioning and filtering circuitry components for an electrostatic precipitator Terry Lewis Farmer, Easel Roberts, Dan Steinhaur 2011-08-16
7837749 System and method for monitoring impact machinery Charles Erklin Seeley, Eladio Clemente Delgado, John Erik Hershey, Harold Woodruff Tomlinson, Jr., Terry Lewis Farmer 2010-11-23
7809574 Word recognition using choice lists Daniel L. Roth, Jordan Cohen, Edward W. Porter 2010-10-05
7716058 Speech recognition using automatic recognition turn off Daniel L. Roth, Jordan Cohen 2010-05-11
7704302 Electrostatic precipitator having a spark current limiting resistors and method for limiting sparking Younsi Abdelkrim, Zhou Yingneng, Robert Warren Taylor 2010-04-27
7655068 Method and systems to facilitate improving electrostatic precipitator performance James Easel Roberts, Robert Warren Taylor, Yingneng Zhou, Abdelkrim Younsi, Jennifer Lynn Molaison +1 more 2010-02-02
7634403 Word recognition using word transformation commands Daniel L. Roth, Jordan Cohen 2009-12-15
7577569 Combined speech recognition and text-to-speech generation Daniel L. Roth, Jordan Cohen, Manfred Grabherr, Edward W. Porter 2009-08-18
7562556 Cleaning system and method for continuous emissions monitoring equipment Jennifer Lynn Molaison, Terry Lewis Farmer, William Eberhardt, Mark Wayne Holt 2009-07-21
7526431 Speech recognition using ambiguous or phone key spelling and/or filtering Daniel L. Roth, Jordan Cohen 2009-04-28
7505911 Combined speech recognition and sound recording Daniel L. Roth, Jordan Cohen, Edward W. Porter 2009-03-17
7452403 System and method for applying partial discharge analysis for electrostatic precipitator Abdelkrim Younsi, Yingneng Zhou, Terry Lewis Farmer, Robert Warren Taylor 2008-11-18
7313526 Speech recognition using selectable recognition modes Daniel L. Roth, Jordan Cohen, Manfred Grabherr 2007-12-25
7225130 Methods, systems, and programming for performing speech recognition Daniel L. Roth, Jordan Cohen, Manfred Grabherr 2007-05-29
6839251 Apparatus and method for filtering voltage for an electrostatic precipitator Michael Mahler, Terry Lewis Farmer, Robert Hummell 2005-01-04
6628568 System and method for verification of acoustic horn performance Michael Mahler, Terry Lewis Farmer 2003-09-30
6611440 Apparatus and method for filtering voltage for an electrostatic precipitator Michael Mahler, Terry Lewis Farmer, Robert Hummell 2003-08-26
6540812 Method and system for improved rapper control Terry Lewis Farmer, Sven Richter, Michael Mahler 2003-04-01
5950441 Method and apparatus for controlling an evaporative gas conditioning system Anand Mahableshwarkar, Michael Mahler, Robert Hummell 1999-09-14
5890369 Method for controlling an evaporative gas conditioning system Anand Mahableshwarkar, Michael Mahler, Robert Hummell 1999-04-06