Growing community of inventors

San Rafael, CA, United States of America

David Haaf

Average Co-Inventor Count = 1.33

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 = 432

David HaafSara Paculdo (9 patents)David HaafAaron Lamstein (7 patents)David HaafDavid Haaf (32 patents)Sara PaculdoSara Paculdo (40 patents)Aaron LamsteinAaron Lamstein (25 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Worldwise, Inc. (27 from 129 patents)


32 patents:

1. 9510563 - Cat grooming pad and method

2. 9282723 - Cat scratching device

3. D696821 - Cat scratcher

4. 8578890 - Cat scratching device

5. 8336501 - Cat grooming and activity device

6. 8327806 - Pet amusement device

7. D665137 - Cat scratcher

8. D665138 - Cat scratcher

9. D663905 - Cat scratcher

10. D663492 - Cat scratcher

11. D663491 - Cat scratcher

12. D663493 - Cat scratcher

13. D663490 - Cat scratcher

14. D661436 - Combined cat scratcher and bed

15. D653820 - Cat scratcher

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as of
1/12/2026
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