For the Inventor, By the Inventor

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Milwaukee, WI, United States of America

Pflow Industries, Inc.

USPTO Granted Patents = 24

% Expired Patents = 16.7

CIPO Patents = 1

Trademarks = 1

Forward Citations = 329

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9 inventors (with patents filed for the assignee):

Mark R Webster (12 out of 15 patents)

Gene M Barth (10 out of 10 patents)

Robert H Pfleger (8 out of 8 patents)

4. Craig S Schmidt (4 out of 4 patents)

5. Patrick J Kelnhofer (2 out of 2 patents)

6. Michael H Sohn (2 out of 2 patents)

7. Michael Reilly (1 out of 11 patents)

8. Robert H Plfeger (1 out of 1 patent)

9. August R Bergemann (1 out of 1 patent)

24 patents: Sort by Forward Citations

1. 11345576 - Hinged carriage deck for vertical reciprocating conveyor (2022-05-31),

2. 11059678 - Barrel elevator including shielded actuation mechanisms (2021-07-13),

3. 10913635 - System for chain chordal action suppression (2021-02-09),

4. 10183840 - System for chain chordal action suppression (2019-01-22),

5. 8789661 - Visual warning barrier for door assembly used in a vertical lifting system (2014-07-29),

6. 8328003 - Shopping cart conveyor with gate assembly (2012-12-11),

7. 8075237 - Multi-level vehicle lift (2011-12-13),

8. 7931136 - Jam sensor for shopping cart conveyor (2011-04-26),

9. 7779992 - Shopping cart conveyor system with pivoting lug (2010-08-24),

10. 7453358 - Shopping cart conveyor with gated access (2008-11-18),

11. 7131532 - Belt attachment device and method (2006-11-07),

12. 6896125 - Belt attachment device and method (2005-05-24),

13. 6644210 - Shopping cart conveyor with front wheel alignment and turning system (2003-11-11),

14. 6490979 - Inclined shopping cart conveyor system (2002-12-10),

15. 6394260 - Conveyor system including roller-guided carriage assemblies (2002-05-28),

Pflow Industries, Inc. is a leading provider of vertical lifting solutions for material handling needs. With over four decades of experience, Pflow offers a wide range of innovative and reliable vertical lifts, such as hydraulic, mechanical, and automated lifts, to increase efficiency and streamline operations for various industries. Their solutions help businesses optimize space, improve safety, and enhance productivity. Visit their website to explore their extensive product range and find the perfect lifting solution for your specific needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Pflow Industries, Inc.

24 Patents

#60 in Milwaukee, WI

#329 in Wisconsin

#13,841 in US

#26,555 in the World

Milwaukee, WI, United States of America

Pflow Industries, Inc.

Forward Citations = 329

9 inventors:

Mark R Webster (12 out of 15 patents)

Gene M Barth (10 out of 10 patents)

Robert H Pfleger (8 out of 8 patents)

4. Craig S Schmidt (4 out of 4 patents)

5. Patrick J Kelnhofer (2 out of 2 patents)

Please report any incorrect information to [email protected]

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