JF

John R. Frus

UI Unison Industries: 14 patents #10 of 192Top 6%
📍 Rockford, IL: #52 of 1,291 inventorsTop 5%
🗺 Illinois: #4,063 of 84,256 inventorsTop 5%
Overall (All Time): #241,941 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7095181 Method and apparatus for controllably generating sparks in an ignition system or the like Michael J. Cochran 2006-08-22
6771519 Method and apparatus for generating high voltage Michael J. Cochran 2004-08-03
6484707 Method and apparatus for generating a sustained arc at a sparking device Michael J. Cochran 2002-11-26
6353293 Method and apparatus for controllably generating sparks in an ignition system or the like Michael J. Cochran 2002-03-05
6081074 Method and apparatus for offsetting power draw in a multiple channel system Michael J. Cochran 2000-06-27
6034483 Method for generating and controlling spark plume characteristics Michael J. Cochran 2000-03-07
5754011 Method and apparatus for controllably generating sparks in an ignition system or the like Michael J. Cochran 1998-05-19
5675257 Diagnostic device for gas turbine ignition system 1997-10-07
5561350 Ignition System for a turbine engine Frederick B. Sontag 1996-10-01
5523691 Diagnostic device for gas turbine ignition system 1996-06-04
5399942 Apparatus and method for providing ignition to a turbine engine 1995-03-21
5347422 Apparatus and method for an ignition system Kenneth William Douglas Smith, Bruce E. Dolmovich 1994-09-13
5343154 Diagnostic device for gas turbine ignition system 1994-08-30
5245252 Apparatus and method for providing ignition to a turbine engine Frederick B. Sontag 1993-09-14
5168187 Axial pole stepping motor John S. Baer, William R. Coon 1992-12-01
5155437 Diagnostic device for gas turbine ignition system 1992-10-13
5148084 Apparatus and method for providing ignition to a turbine engine 1992-09-15
5065073 Apparatus and method for providing ignition to a turbine engine 1991-11-12
5057831 Vehicle simulation circuit for loop traffic signal control system Clifford B. Strang 1991-10-15