Growing community of inventors

San Jacinto, CA, United States of America

Mark A Calkins

Average Co-Inventor Count = 1.08

ph-index = 9

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 = 333

Mark A CalkinsRobert J Friedland (1 patent)Mark A CalkinsStephan Sutton (1 patent)Mark A CalkinsKathryn S Robbinis-Sullivan (1 patent)Mark A CalkinsMark A Calkins (21 patents)Robert J FriedlandRobert J Friedland (2 patents)Stephan SuttonStephan Sutton (1 patent)Kathryn S Robbinis-SullivanKathryn S Robbinis-Sullivan (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kittrich Corporation (20 from 42 patents)

2. Other (1 from 832,912 patents)

3. Calkins, Mark a. (0 patent)


21 patents:

1. D766648 - Disposable foil pan

2. D766647 - Disposable foil pan

3. D763011 - Translucent mat with ribbed pattern

4. D758097 - Opaque mat with diamond pattern

5. D758096 - Opaque mat with ribbed pattern

6. D756686 - Translucent mat with diamond pattern

7. 9339994 - Foamed surface covering with coherent layer

8. 9254624 - Non-slip supportive carpet underlay

9. 9248314 - Perforated nonslip non-adhesive surface covering

10. 9132283 - Perforated nonslip non-adhesive surface covering

11. D707058 - Shower suction mat

12. D694550 - Opaque mat with diamond pattern

13. D694551 - Translucent mat with diamond pattern

14. D692595 - Foamed reticulated surface covering

15. D692256 - Opaque mat with ribbed pattern

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as of
1/9/2026
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