Growing community of inventors

Janesville, WI, United States of America

Fred W Kufrin

Average Co-Inventor Count = 1.43

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 = 116

Fred W KufrinDaniel R Nettesheim (1 patent)Fred W KufrinJohn H Carpentier (1 patent)Fred W KufrinWilliam L Zahn (1 patent)Fred W KufrinFred W Kufrin (5 patents)Daniel R NettesheimDaniel R Nettesheim (4 patents)John H CarpentierJohn H Carpentier (1 patent)William L ZahnWilliam L Zahn (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schwaab, Inc. (2 from 11 patents)

2. Western Industries Incorporated (1 from 39 patents)

3. Oce'-industries Inc. (1 from 5 patents)

4. Fox Valley Corporation (breneman Div.) (1 from 1 patent)


5 patents:

1. 4877185 - Oscillating sprinkler

2. 4534471 - Stamp holding clip and rack therefor

3. 4492162 - Type band ink stamp

4. 4403415 - Window shade roller with shade cutting assembly

5. 4131273 - Record card feeding apparatus

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idiyas.com
as of
12/20/2025
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