Growing community of inventors

Fortuna, CA, United States of America

Robert C Crane

Average Co-Inventor Count = 1.94

ph-index = 6

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 = 189

Robert C CraneIsaiah Hahner (5 patents)Robert C CraneJarl J Johansen (3 patents)Robert C CraneBrett Pritchett (3 patents)Robert C CraneStephen Melamed (1 patent)Robert C CraneLuc Heiligenstein (1 patent)Robert C CraneDino Sanchez (1 patent)Robert C CraneRalph E Guest (1 patent)Robert C CraneIsiah Hahner (1 patent)Robert C CraneChih Tse Chien (1 patent)Robert C CraneLindsy C Crane (1 patent)Robert C CraneBrent Douglas Zartman (1 patent)Robert C CraneRobert C Crane (12 patents)Isaiah HahnerIsaiah Hahner (5 patents)Jarl J JohansenJarl J Johansen (5 patents)Brett PritchettBrett Pritchett (3 patents)Stephen MelamedStephen Melamed (54 patents)Luc HeiligensteinLuc Heiligenstein (53 patents)Dino SanchezDino Sanchez (4 patents)Ralph E GuestRalph E Guest (3 patents)Isiah HahnerIsiah Hahner (1 patent)Chih Tse ChienChih Tse Chien (1 patent)Lindsy C CraneLindsy C Crane (1 patent)Brent Douglas ZartmanBrent Douglas Zartman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Crane Company (7 from 171 patents)

2. C. Crane (3 from 3 patents)

3. Other (2 from 832,843 patents)


12 patents:

1. 12156605 - Plant mixture processing systems

2. D960860 - Radio knob

3. 11382448 - Plant mixture processing systems

4. D878324 - In-line amplifier

5. D874441 - Softspeaker cover

6. D863251 - Radio

7. D719130 - Radio

8. D658628 - Radio

9. D615220 - Light bulb

10. D606229 - Strip light

11. D483024 - Transmitter

12. D466886 - Pillow speaker

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as of
12/29/2025
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