Average Co-Inventor Count = 2.14
ph-index = 11
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. Illinois Tool Works Inc. (21 from 7,590 patents)
21 patents:
1. 12231010 - Methods and apparatus to control engine speed of a power system
2. 11848592 - Methods and apparatus to control engine speed of a power system
3. 11420284 - Engine driven power supplies with output reduction
4. 11097370 - Methods and apparatus to control an output of a switched mode power supply in a service pack
5. 11075581 - Methods and apparatus to use a switched-mode power supply as a source of power in a service pack
6. 10688583 - Welding power supplies having adjustable current ramping rates
7. 10384290 - Engine driven power supplies with output reduction
8. 7312419 - Engine driven converter with feedback control
9. 7112945 - Engine driven converter with feedback control
10. 6963216 - Method and apparatus for detecting shorted rectifying control elements of an engine driven power source for welding-type system
11. 6894401 - Engine driven inverter welding power supply
12. 6674179 - Engine driven inverter welding power supply
13. 6531685 - Separate exciter windings for weld and auxiliary power
14. 6469276 - Control of weld and auxiliary power output of a generator type welding power supply
15. 6469401 - Engine driven welding power supply with inverter auxiliary power