% Expired Patents = 33.3

CIPO Patents = 2

Forward Citations = 2

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2 inventors (with patents filed for the assignee):

Alan C Miller (3 out of 28 patents)

Darin L Lane (2 out of 9 patents)

Walter D Prince (6 patents)

4. Bradley J Fehn (1 patent)

5. Thomas B Smith (0 patent)

6. Gregory A Dougherty (0 patent)

3 patents: Sort by Forward Citations

1. 9597615 - Flow development chamber and separator (2017-03-21),

2. 8461706 - Flow development and cogeneration chamber (2013-06-11),

3. 8026621 - Flow development and cogeneration chamber (2011-09-27),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#38 in Littleton, CO

#1,778 in Colorado

#73,860 in US

Littleton, CO, United States of America

Spiroflo Holdings, Inc.

Forward Citations = 2

2 inventors:

Alan C Miller (3 out of 28 patents)

Darin L Lane (2 out of 9 patents)

Walter D Prince (6 patents)

4. Bradley J Fehn (1 patent)

5. Thomas B Smith (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spiroflo Holdings, Inc.. Retrieved from https://idiyas.com/company/spiroflo-holdings

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]