Growing community of inventors

Roseau, MN, United States of America

Tracy S Kofstad

Average Co-Inventor Count = 7.50

ph-index = 4

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 = 250

Tracy S KofstadAaron David Deckard (3 patents)Tracy S KofstadLouis James Brady (51 patents)Tracy S KofstadStephen L Nelson (3 patents)Tracy S KofstadAdam J Schlangen (3 patents)Tracy S KofstadBrian Michael Safranski (23 patents)Tracy S KofstadBrian R Gillingham (3 patents)Tracy S KofstadRichard Larry Sunsdahl (22 patents)Tracy S KofstadKeith A Hollman (3 patents)Tracy S KofstadJerome J Rubatt (3 patents)Tracy S KofstadPhillip A Nowacki (3 patents)Tracy S KofstadMark A Smith (3 patents)Tracy S KofstadCurtis R Kjaer (3 patents)Tracy S KofstadRichard D Ripley (1 patent)Tracy S KofstadDaniel S Weber (1 patent)Tracy S KofstadAndrew J Miller (1 patent)Tracy S KofstadRobbi L Peterson (1 patent)Tracy S KofstadJeffrey M Maher (1 patent)Tracy S KofstadKevin A McNutt (1 patent)Tracy S KofstadPhilip Nowacki (2 patents)Tracy S KofstadMark A Smith (1 patent)Tracy S KofstadKevin A Mcnutt (1 patent)Tracy S KofstadLouis J Brady (1 patent)Tracy S KofstadAaron D Deckard (1 patent)Tracy S KofstadBrian M Safranski (1 patent)Tracy S KofstadCurtis Kjaer (0 patent)Tracy S KofstadKevin Mcnutt (0 patent)Tracy S KofstadMark Smith (0 patent)Tracy S KofstadKevin A Mcnutt (0 patent)Tracy S KofstadRichard L Sunsdahl (1 patent)Tracy S KofstadTracy S Kofstad (4 patents)Aaron David DeckardAaron David Deckard (67 patents)Louis James BradyLouis James Brady (51 patents)Stephen L NelsonStephen L Nelson (41 patents)Adam J SchlangenAdam J Schlangen (37 patents)Brian Michael SafranskiBrian Michael Safranski (23 patents)Brian R GillinghamBrian R Gillingham (23 patents)Richard Larry SunsdahlRichard Larry Sunsdahl (22 patents)Keith A HollmanKeith A Hollman (19 patents)Jerome J RubattJerome J Rubatt (4 patents)Phillip A NowackiPhillip A Nowacki (3 patents)Mark A SmithMark A Smith (3 patents)Curtis R KjaerCurtis R Kjaer (3 patents)Richard D RipleyRichard D Ripley (19 patents)Daniel S WeberDaniel S Weber (14 patents)Andrew J MillerAndrew J Miller (10 patents)Robbi L PetersonRobbi L Peterson (2 patents)Jeffrey M MaherJeffrey M Maher (5 patents)Kevin A McNuttKevin A McNutt (4 patents)Philip NowackiPhilip Nowacki (2 patents)Mark A SmithMark A Smith (19 patents)Kevin A McnuttKevin A Mcnutt (2 patents)Louis J BradyLouis J Brady (8 patents)Aaron D DeckardAaron D Deckard (14 patents)Brian M SafranskiBrian M Safranski (2 patents)Curtis KjaerCurtis Kjaer (0 patent)Kevin McnuttKevin Mcnutt (0 patent)Mark SmithMark Smith (0 patent)Kevin A McnuttKevin A Mcnutt (0 patent)Richard L SunsdahlRichard L Sunsdahl (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Polaris Industries Inc. (4 from 888 patents)


4 patents:

1. 9713976 - Utility vehicle

2. 9217501 - Side-by-side vehicle

3. 8827019 - Side-by-side vehicle

4. 8613335 - Side-by-side vehicle

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1/7/2026
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