Average Co-Inventor Count = 3.43
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Simplexgrinnell LP (1 from 62 patents)
2. Simplex Time Recorder Co. (1 from 52 patents)
2 patents:
1. 7469204 - Method and apparatus for calculating voltage drop
2. 6567001 - Fire control panel monitoring for degradation of wiring integrity during alarm state