% Expired Patents = 33.3

EPO Patents = 1

Trademarks = 1

Forward Citations = 54

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6 inventors (with patents filed for the assignee):

Michael Steward Wilmo (4 out of 14 patents)

Joseph K Krueger (2 out of 10 patents)

Gregory J Engel (1 out of 9 patents)

4. Daniel Lawrence Joynt (1 out of 12 patents)

5. Archie A Weidner (1 out of 4 patents)

6. Kevin Leroy Shinler (1 out of 14 patents)

7. Peter Alexander Loring (4 patents)

8. Steven Vincent Feeny (4 patents)

9. Paul Groschen (1 patent)

10. Robert J Erko (0 patent)

11. Richard Milun (0 patent)

6 patents: Sort by Forward Citations

1. 7520017 - Street sweeper recirculation flap (2009-04-21),

2. 7287299 - Simplified rear squeegee linkage for surface cleaning equipment (2007-10-30),

3. 7287298 - Low profile side squeegee assembly (2007-10-30),

4. 7281625 - Self cleaning conveyor (2007-10-16),

5. 7073661 - Self cleaning conveyor with roller scraper and debris reduction skirt (2006-07-11),

6. 6877180 - Street sweeper main broom cutoff flap (2005-04-12),

Company Overview

Tennant Company is a leading manufacturer of indoor and outdoor cleaning solutions. With innovative products and sustainable practices, Tennant is dedicated to creating a cleaner, safer, healthier world. From floor scrubbers to sweepers, Tennant offers a wide range of cleaning equipment for commercial and industrial use.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

6 Patents

#271 in Minneapolis, MN

#1,239 in Minnesota

#44,981 in US

Minneapolis, MN, United States of America

Tennant

Forward Citations = 54

6 inventors:

Michael Steward Wilmo (4 out of 14 patents)

Joseph K Krueger (2 out of 10 patents)

Gregory J Engel (1 out of 9 patents)

4. Daniel Lawrence Joynt (1 out of 12 patents)

5. Archie A Weidner (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tennant. Retrieved from https://idiyas.com/company/tennant

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]

1 patent (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]