For the Inventor, By the Inventor

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Sussex, WI, United States of America

Spx Dock Products, Inc.

USPTO Granted Patents = 13

% Expired Patents = 15.4

Trademarks = 17

Forward Citations = 256

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9 inventors (with patents filed for the assignee):

Richard K Hoofard (7 out of 59 patents)

James C Alexander (7 out of 27 patents)

Douglas H Massey (4 out of 16 patents)

4. Michael Meichtry (2 out of 9 patents)

5. David C Saliger (2 out of 2 patents)

6. William C Eungard (1 out of 17 patents)

7. Kim Duvernell (1 out of 4 patents)

8. Terence Reynard (1 out of 4 patents)

9. Johannes H Megens (1 out of 2 patents)

13 patents: Sort by Forward Citations

1. 7216392 - Support leg system and method for supporting a dock leveler (2007-05-15),

2. RE39404 - Movable loading bridge having an inflatable flexible body (2006-11-20),

3. 7131160 - Vertically-storing dock leveler apparatus and method (2006-11-07),

4. 7100233 - Vertically-storing dock leveler apparatus and method (2006-09-05),

5. 7062813 - Support leg system and method for supporting a dock leveler (2006-06-20),

6. 7047584 - Support leg system and method for supporting a dock leveler (2006-05-23),

7. 7044474 - Wiper seal method and apparatus (2006-05-16),

8. 7043790 - Vertically-storing dock leveler apparatus and method (2006-05-16),

9. 6975226 - Master control panel for loading dock equipment (2005-12-13),

10. 6931686 - Support leg system and method for supporting a dock leveler (2005-08-23),

11. 6918151 - Support leg system and method for supporting a dock leveler (2005-07-19),

12. 6896469 - Apparatus and method for hydraulically controlling a vehicle restraint (2005-05-24),

13. 6842930 - Run-off guard for a dock leveler (2005-01-18),

Spx Dock Products, Inc. is a leading manufacturer specializing in innovative dock and loading solutions. Based in Sussex, Wisconsin, the company focuses on developing high-quality products that enhance efficiency and safety in material handling operations. Their expertise spans various sectors, including industrial and commercial applications, where they provide advanced solutions for loading docks, vehicle restraints, and related equipment. With a commitment to engineering excellence, Spx Dock Products aims to meet the evolving needs of its customers across North America.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

13 Patents

#5 in Sussex, WI

#542 in Wisconsin

#23,815 in US

#44,988 in the World

Sussex, WI, United States of America

Spx Dock Products, Inc.

Forward Citations = 256

9 inventors:

Richard K Hoofard (7 out of 59 patents)

James C Alexander (7 out of 27 patents)

Douglas H Massey (4 out of 16 patents)

4. Michael Meichtry (2 out of 9 patents)

5. David C Saliger (2 out of 2 patents)

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