Growing community of inventors

Champlin, MN, United States of America

Steven D Barkley

Average Co-Inventor Count = 2.67

ph-index = 6

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.

Forward Citations = 188

Steven D BarkleyRobert Keith Johnson (6 patents)Steven D BarkleyKenneth F Olson (3 patents)Steven D BarkleyNora J Utke (1 patent)Steven D BarkleyMichael G Krol (1 patent)Steven D BarkleySteven D Barkley (6 patents)Robert Keith JohnsonRobert Keith Johnson (25 patents)Kenneth F OlsonKenneth F Olson (35 patents)Nora J UtkeNora J Utke (3 patents)Michael G KrolMichael G Krol (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Survivalink Corporation (5 from 56 patents)

2. Survivalink Corpration (1 from 1 patent)


6 patents:

1. 6173203 - Circuit mounting system for automated external defibrillator circuits

2. 6064909 - Water resistant speaker port for automated external defibrillators

3. D405754 - Battery housing

4. 5868794 - AED and battery pack with anticipatory battery disengagement detection

5. D402758 - Automated external defibrillator

6. D394903 - External defibrillator

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as of
12/30/2025
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