% Expired Patents = 33.3

EPO Patents = 4

Trademarks = 4

Forward Citations = 30

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5 inventors (with patents filed for the assignee):

Mark Schmidt (1 out of 1 patent)

Robert E Broman (1 out of 2 patents)

Shaoping Xiong (1 out of 1 patent)

4. Robert Quandt (1 out of 1 patent)

5. John E Dettmann (1 out of 1 patent)

6. Bruce E Knuth (0 patent)

3 patents: Sort by Forward Citations

1. 10086314 - Fluid storage reservoir with flow dynamic fluid management and hydronucleation (2018-10-02),

2. 10077788 - Regenerative reservoir (2018-09-18),

3. 6761650 - Football training apparatus (2004-07-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#12 in Hartford, WI

#1,484 in Wisconsin

#73,860 in US

Hartford, WI, United States of America

Helgesen Industries, Inc.

Forward Citations = 30

5 inventors:

Mark Schmidt (1 out of 1 patent)

Robert E Broman (1 out of 2 patents)

Shaoping Xiong (1 out of 1 patent)

4. Robert Quandt (1 out of 1 patent)

5. John E Dettmann (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Helgesen Industries, Inc.. Retrieved from https://idiyas.com/company/helgesen-industries

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]

4 patents (EPO):

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]