Growing community of inventors

Cedar Falls, IA, United States of America

Fred P Ritchie

Average Co-Inventor Count = 4.48

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.

Forward Citations = 382

Fred P RitchieRobert J Mehmen (7 patents)Fred P RitchieDaniel L Jackson (7 patents)Fred P RitchieMark Ryan (7 patents)Fred P RitchieDeonna Fritz (7 patents)Fred P RitchieSteven Frederick Kohagen (6 patents)Fred P RitchieMichael Edward Hay (6 patents)Fred P RitchieRamon L Klemmensen (5 patents)Fred P RitchieRamon L Kemmensen (1 patent)Fred P RitchieFred P Ritchie (13 patents)Robert J MehmenRobert J Mehmen (26 patents)Daniel L JacksonDaniel L Jackson (14 patents)Mark RyanMark Ryan (7 patents)Deonna FritzDeonna Fritz (7 patents)Steven Frederick KohagenSteven Frederick Kohagen (23 patents)Michael Edward HayMichael Edward Hay (10 patents)Ramon L KlemmensenRamon L Klemmensen (8 patents)Ramon L KemmensenRamon L Kemmensen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Waterloo Industries, Inc. (13 from 110 patents)


13 patents:

1. D567537 - Cabinet

2. D537664 - Door

3. D536202 - Cabinet

4. D524506 - Tool storage center

5. D520264 - Cabinet

6. D520273 - Door

7. D518310 - Cabinet

8. D513141 - Drawer

9. 6976744 - Tool storage project center with power strip

10. D509939 - Tool storage center

11. 6761366 - Mobile tool carrier

12. D489858 - Tool storage cabinet

13. D462168 - Tool carrier

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idiyas.com
as of
12/19/2025
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