Growing community of inventors

Waunakee, WI, United States of America

Darrell J Kutchmarek

Average Co-Inventor Count = 2.00

ph-index = 5

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 = 106

Darrell J KutchmarekRichard L Seiders (4 patents)Darrell J KutchmarekJames H Stauffacher (2 patents)Darrell J KutchmarekDarrell J Kutchmarek (6 patents)Richard L SeidersRichard L Seiders (6 patents)James H StauffacherJames H Stauffacher (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Springs Window Fashions, LLC (3 from 41 patents)

2. Springs Window Fashions Division, Inc. (2 from 61 patents)

3. Graber Industries, Inc. (1 from 35 patents)


6 patents:

1. RE40605 - Cutting apparatus for window coverings and methods therefor

2. 6782788 - Cutting blade for a cutting apparatus

3. 6681673 - Cutting apparatus for window coverings and methods therefor

4. 6435066 - Cutting apparatus for window covering and methods therefor

5. 5702552 - Method for making a pleated expandable cellular product for window

6. 5160563 - Method and apparatus for making an expandable cellular shade

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as of
12/13/2025
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