For the Inventor, By the Inventor

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Colchester, VT, United States of America

Alken Inc.

USPTO Granted Patents = 16

Trademarks = 4

Forward Citations = 59

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8 inventors (with patents filed for the assignee):

Robert F Higgins (14 out of 14 patents)

Henry E Himberg (9 out of 9 patents)

Allan G Rodgers, Jr (8 out of 8 patents)

4. Keith M Hanf (4 out of 4 patents)

5. Herbert R Jones (3 out of 9 patents)

6. Allan G Rodgers (3 out of 3 patents)

7. Suzanne T Gagnon (1 out of 1 patent)

8. James C Farr (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 12481063 - Low latency adaptive filter (2025-11-25),

2. 12196857 - Electromagnetic tracking with self learning (2025-01-14),

3. 11797127 - Hybrid tracking with auto-correction (2023-10-24),

4. 11675030 - Auto-hemisphere detection in a magnetic tracker (2023-06-13),

5. 11629818 - Safety system for machinery (2023-04-18),

6. 11585680 - Dynamic mixing of and switching between sensor measurements in hybrid trackers using electromagnetic tracking (2023-02-21),

7. 11543529 - Adaptive weighting of multiple sources in a magnetic or hybrid tracking system (2023-01-03),

8. 11326905 - Dynamic mixing of and switching between sensor measurements in hybrid trackers using electromagnetic tracking (2022-05-10),

9. 11050197 - Reversible connector orientation detection in an electromagnetic tracking system (2021-06-29),

10. 11029369 - Self-leveling magnetic source (2021-06-08),

11. 10837599 - Safety system for machinery (2020-11-17),

12. 8121812 - AC magnetic tracking with phase disambiguation (2012-02-21),

13. 8013595 - AC magnetic tracking system with phase locking (2011-09-06),

14. 7873491 - AC magnetic tracking system with non-coherency between sources and sensors (2011-01-18),

15. 7710395 - Head-mounted pointing and control device (2010-05-04),

ALKEN Inc. is a leading global provider of innovative technology solutions for businesses. With a focus on delivering state-of-the-art software, hardware, and consulting services, ALKEN helps organizations optimize their operations and enhance their competitive advantage. With a diverse portfolio of products tailored to various industries, ALKEN's solutions drive efficiency, productivity, and growth. To learn more about our comprehensive range of offerings, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

16 Patents

#4 in Colchester, VT

#32 in Vermont

#19,278 in US

#36,652 in the World

Colchester, VT, United States of America

Alken Inc.

Forward Citations = 59

8 inventors:

Robert F Higgins (14 out of 14 patents)

Henry E Himberg (9 out of 9 patents)

Allan G Rodgers, Jr (8 out of 8 patents)

4. Keith M Hanf (4 out of 4 patents)

5. Herbert R Jones (3 out of 9 patents)

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