Growing community of inventors

Santa Barbara, CA, United States of America

Karl Schiffmann

Average Co-Inventor Count = 2.88

ph-index = 13

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 = 404

Karl SchiffmannMark J Andrews (21 patents)Karl SchiffmannJack J LeTourneau (16 patents)Karl SchiffmannRichard E Crandall (4 patents)Karl SchiffmannJack J Letourneau (3 patents)Karl SchiffmannKarl Schiffmann (23 patents)Mark J AndrewsMark J Andrews (36 patents)Jack J LeTourneauJack J LeTourneau (55 patents)Richard E CrandallRichard E Crandall (47 patents)Jack J LetourneauJack J Letourneau (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Robert T. and Virginia T. Jenkins (10 from 32 patents)

2. Lower48 IP LLC (4 from 4 patents)

3. Other (3 from 832,680 patents)

4. Robert T. and Virginia T. Jenkins As Trustees of the Jenkins Family Trust Dated Feb. 8, 2002 (3 from 7 patents)

5. Skyler Technology, Inc. (1 from 5 patents)

6. Robert T. Jenkins and Virginia T. Jenkins (1 from 2 patents)

7. Robert J. Jenkins and Virginia T. Jenkins (1 from 1 patent)


23 patents:

1. 12013829 - Manipulation and/or analysis of hierarchical data

2. 11989168 - Enumeration of rooted partial subtrees

3. 11636079 - Enumeration of rooted partial subtrees

4. 11615065 - Enumeration of trees from finite number of nodes

5. 11281646 - Enumeration of rooted partial subtrees

6. 11194777 - Manipulation and/or analysis of hierarchical data

7. 11100070 - Manipulation and/or analysis of hierarchical data

8. 10725989 - Enumeration of trees from finite number of nodes

9. 10430416 - Method and/or system for processing data streams

10. 10055438 - Manipulation and/or analysis of hierarchical data

11. 9842130 - Enumeration of trees from finite number of nodes

12. 9646034 - Enumeration of rooted partial subtrees

13. 9411841 - Enumeration of trees from finite number of nodes

14. 9330128 - Enumeration of rooted partial subtrees

15. 9245050 - Manipulation and/or analysis of hierarchical data

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12/5/2025
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