Growing community of inventors

Willowdale, Canada

Rudolph A Koehler

Average Co-Inventor Count = 1.09

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 = 148

Rudolph A KoehlerHenry T Beck (1 patent)Rudolph A KoehlerRudolph A Koehler (6 patents)Henry T BeckHenry T Beck (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Noma Lites Canada Limited (3 from 5 patents)

2. Noma Canada Ltd. (2 from 7 patents)

3. Noma Inc. (1 from 37 patents)


6 patents:

1. 4467979 - Cord reel

2. 4408813 - Multiple outlet and cover therefor

3. 4396652 - Artificial shrubs

4. 4273814 - Artificial shrubs of improved construction

5. 4159157 - Molded electrical lamp socket and method of construction

6. 3963822 - Method of molding electrical lamp sockets

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as of
12/20/2025
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