Growing community of inventors

Minneapolis, MN, United States of America

David S Klis

Average Co-Inventor Count = 2.50

ph-index = 3

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 = 14

David S KlisWalter J Petersen (1 patent)David S KlisScott Michael Coffin (1 patent)David S KlisDennis J Berndt (1 patent)David S KlisGerald J Pomerening (1 patent)David S KlisBruce A Granger (1 patent)David S KlisRichard M Olson (1 patent)David S KlisDavid S Klis (3 patents)Walter J PetersenWalter J Petersen (15 patents)Scott Michael CoffinScott Michael Coffin (12 patents)Dennis J BerndtDennis J Berndt (5 patents)Gerald J PomereningGerald J Pomerening (5 patents)Bruce A GrangerBruce A Granger (3 patents)Richard M OlsonRichard M Olson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Toro Company (2 from 821 patents)

2. Other (1 from 832,680 patents)


3 patents:

1. 6588191 - Method for providing grooved roller with variable shoulders

2. 4294339 - Clutch assembly

3. 4246803 - Traction control mechanism for hydrostatic transmission

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as of
12/6/2025
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