Inventor
FRUS JOHN R
US19 patents
⚠️ This page may combine multiple inventors who share the name “FRUS JOHN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISON IND LP
6 patentsUS5754011AMay 19, 1998
Method and apparatus for controllably generating sparks in an ignition system or the like
UNISON IND LP71 citations96
US5675257AOct 7, 1997
Diagnostic device for gas turbine ignition system
UNISON IND LP37 citations92
US5523691AJun 4, 1996
Diagnostic device for gas turbine ignition system
UNISON IND LP37 citations92
US5399942AMar 21, 1995
Apparatus and method for providing ignition to a turbine engine
UNISON IND LP34 citations92
US5155437AOct 13, 1992
Diagnostic device for gas turbine ignition system
UNISON IND LP37 citations92
US5347422ASep 13, 1994
Apparatus and method for an ignition system
UNISON IND LP16 citations72
UNISON IND INC
6 patentsUS6484707B1Nov 26, 2002
Method and apparatus for generating a sustained arc at a sparking device
UNISON IND INC24 citations92
US5343154AAug 30, 1994
Diagnostic device for gas turbine ignition system
UNISON IND INC21 citations92
US5148084ASep 15, 1992
Apparatus and method for providing ignition to a turbine engine
UNISON IND INC42 citations92
US6771519B2Aug 3, 2004
Method and apparatus for generating high voltage
UNISON IND INC16 citations84
US6034483AMar 7, 2000
Method for generating and controlling spark plume characteristics
UNISON IND INC9 citations73
US6081074AJun 27, 2000
Method and apparatus for offsetting power draw in a multiple channel system
UNISON IND INC5 citations62