Growing community of inventors

Charlottesville, VA, United States of America

Karl Roelofs

Average Co-Inventor Count = 2.12

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 = 41

Karl RoelofsDavid Marsh (21 patents)Karl RoelofsMichael P Casey (3 patents)Karl RoelofsRyan North (2 patents)Karl RoelofsJonathan Small (1 patent)Karl RoelofsEugene Evans (1 patent)Karl RoelofsDave Marsh (1 patent)Karl RoelofsChris Melissinos (1 patent)Karl RoelofsChris Brasted (1 patent)Karl RoelofsKarl Roelofs (23 patents)David MarshDavid Marsh (31 patents)Michael P CaseyMichael P Casey (61 patents)Ryan NorthRyan North (2 patents)Jonathan SmallJonathan Small (4 patents)Eugene EvansEugene Evans (2 patents)Dave MarshDave Marsh (1 patent)Chris MelissinosChris Melissinos (1 patent)Chris BrastedChris Brasted (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Aristocrat Technologies Australia Pty Limited (17 from 1,670 patents)

2. Aristocrat Technologies, Inc. (3 from 482 patents)

3. Video Gaming Technologies, Inc. (1 from 121 patents)

4. Aristocrat Technologies, Inc. (ati) (1 from 59 patents)

5. Gopop.tv, Inc. (1 from 2 patents)


23 patents:

1. 12394274 - Electronic gaming machine and system with dynamic reel wall deformation through metamorphic reel symbol expansion

2. 12361791 - Gaming machine and method for displaying a free spin count-up

3. 12340662 - Systems and methods for consolidating symbols in electronic gaming

4. 12257515 - Electronic gaming machine and system with a wheel feature mode dependent on base game outcomes

5. 12183168 - Gaming machine with enhanced respin feature

6. 12142106 - Gameplay method with connected image segments

7. 12087124 - Systems and methods for electronic gaming in which an active area alternates between sets of reels

8. 11948427 - Systems and methods for increasing a multiplier and providing a bingo award in association with a multiplier

9. 11801438 - Electronic gaming machine and system with a wheel feature mode dependent on base game outcomes

10. 11804097 - Systems and methods for electronic gaming in which an active area alternates between sets of reels

11. 11783664 - Gameplay method with connected image segments

12. 11521468 - Gaming machine with enhanced respin feature

13. 11482077 - Gaming machine and method for displaying a free spin count-up

14. 11403914 - Systems and methods for increasing a multiplier and providing a bingo award in association with a multiplier

15. 11341804 - Gameplay method with connected image segments

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as of
12/11/2025
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