For the Inventor, By the Inventor

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San Francisco, CA, United States of America

Crowdflower, Inc.

USPTO Granted Patents = 3

Forward Citations = 72

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10 inventors (with patents filed for the assignee):

Christopher R Van Pelt (3 out of 6 patents)

Lukas A Biewald (2 out of 7 patents)

Alexander Sorokin (1 out of 2 patents)

4. Ryan J Cox (1 out of 10 patents)

5. Alex Sorokin (1 out of 1 patent)

6. Michael Juster (1 out of 1 patent)

7. David Oleson (1 out of 2 patents)

8. Greg Laughlin (1 out of 2 patents)

9. Vaughn Hester (1 out of 1 patent)

10. John Le (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 11023859 - Using virtual currency to compensate workers in a crowdsourced task (2021-06-01),

2. 8626545 - Predicting future performance of multiple workers on crowdsourcing tasks and selecting repeated crowdsourcing workers (2014-01-07),

3. 8554605 - Evaluating a worker in performing crowd sourced tasks and providing in-task training through programmatically generated test tasks (2013-10-08),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#1,026 in San Francisco, CA

#16,411 in California

#71,950 in US

San Francisco, CA, United States of America

Crowdflower, Inc.

Forward Citations = 72

10 inventors:

Christopher R Van Pelt (3 out of 6 patents)

Lukas A Biewald (2 out of 7 patents)

Alexander Sorokin (1 out of 2 patents)

4. Ryan J Cox (1 out of 10 patents)

5. Alex Sorokin (1 out of 1 patent)

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