Growing community of inventors

Cottage Grove, WI, United States of America

Evan Sparks

Average Co-Inventor Count = 6.33

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 = 52

Evan SparksJoel Kramka (14 patents)Evan SparksKarol Polaczek (14 patents)Evan SparksMontel Caruthers (12 patents)Evan SparksHenry M Hillstrom (10 patents)Evan SparksDerek W Bennion (7 patents)Evan SparksPaul Hunt (7 patents)Evan SparksWilliam R Mathias (7 patents)Evan SparksSimon Livingston-Jha (7 patents)Evan SparksJerzy Latocha (6 patents)Evan SparksJeffrey L Crull (5 patents)Evan SparksEric Douglas Sanford (3 patents)Evan SparksCris Smyczek (3 patents)Evan SparksKayli Mohelnitzky (3 patents)Evan SparksMontel Caruthers (3 patents)Evan SparksJason Grant Tilk (2 patents)Evan SparksMichael Sawalski (2 patents)Evan SparksGary Stephan (2 patents)Evan SparksMichael Bilinski (2 patents)Evan SparksJim Szpak (2 patents)Evan SparksJessica Lindquist (2 patents)Evan SparksCornelius Robert O'Rourke (1 patent)Evan SparksWilliam Mathias (1 patent)Evan SparksWilliam Mathias (1 patent)Evan SparksJeffrey Crull (1 patent)Evan SparksPaul R Hunt (0 patent)Evan SparksJr Karol Polaczek (0 patent)Evan SparksEvan Sparks (19 patents)Joel KramkaJoel Kramka (22 patents)Karol PolaczekKarol Polaczek (11 patents)Montel CaruthersMontel Caruthers (13 patents)Henry M HillstromHenry M Hillstrom (14 patents)Derek W BennionDerek W Bennion (33 patents)Paul HuntPaul Hunt (10 patents)William R MathiasWilliam R Mathias (8 patents)Simon Livingston-JhaSimon Livingston-Jha (8 patents)Jerzy LatochaJerzy Latocha (6 patents)Jeffrey L CrullJeffrey L Crull (37 patents)Eric Douglas SanfordEric Douglas Sanford (9 patents)Cris SmyczekCris Smyczek (6 patents)Kayli MohelnitzkyKayli Mohelnitzky (3 patents)Montel CaruthersMontel Caruthers (3 patents)Jason Grant TilkJason Grant Tilk (81 patents)Michael SawalskiMichael Sawalski (17 patents)Gary StephanGary Stephan (4 patents)Michael BilinskiMichael Bilinski (3 patents)Jim SzpakJim Szpak (3 patents)Jessica LindquistJessica Lindquist (3 patents)Cornelius Robert O'RourkeCornelius Robert O'Rourke (8 patents)William MathiasWilliam Mathias (2 patents)William MathiasWilliam Mathias (1 patent)Jeffrey CrullJeffrey Crull (1 patent)Paul R HuntPaul R Hunt (0 patent)Jr Karol PolaczekJr Karol Polaczek (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Weber-stephen Products LLC (14 from 225 patents)

2. Master Lock Company LLC (3 from 454 patents)

3. Lamplight Farms, Inc. (1 from 55 patents)


19 patents:

1. D1098882 - Lock box

2. 12414556 - Repellant string light and retrofit assembly

3. D1065978 - Lock box

4. 11754279 - Repellant string light

5. D979317 - Portable grill

6. 11571087 - Portable grills

7. 11571088 - Portable grills

8. D972360 - Portable grill

9. D971661 - Portable grill

10. 11510525 - Portable grills

11. 11510526 - Portable grills

12. 11503952 - Portable grills

13. 11503950 - Portable grills

14. 11503951 - Portable grills

15. D953792 - Portable grill

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as of
12/5/2025
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