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West Chester, OH, United States of America

Contech Construction Products Inc.

USPTO Granted Patents = 16

Trademarks = 16

Forward Citations = 240

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8 inventors (with patents filed for the assignee):

James William Shade (7 out of 8 patents)

James C Schluter (5 out of 9 patents)

William L Zepp (3 out of 5 patents)

4. O'Dell Brinegar (3 out of 3 patents)

5. Hubert M Drossbach (2 out of 3 patents)

6. Lyle Eugene Miller (2 out of 2 patents)

7. Thomas A Nein (1 out of 1 patent)

8. Robert J Higgs (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 8109540 - Pipe joint and related method (2012-02-07),

2. 7574886 - Apparatus for producing helically corrugated metal pipe and related method (2009-08-18),

3. 7404308 - Apparatus for producing helically corrugated metal pipe and related method (2008-07-29),

4. 6994381 - Stab joint coupling (2006-02-07),

5. 5862581 - Method for making a joint for a corrugated pipe segment (1999-01-26),

6. 5842727 - Coupling for spiral corrugated pipe (1998-12-01),

7. 5707088 - Joint for coupling plastic corrugated pipes (1998-01-13),

8. 5564857 - Slutted drain (1996-10-15),

9. 5383693 - Gaskets used in joining corrugated pipe (1995-01-24),

10. 5380121 - Slotted drain (1995-01-10),

11. 5124109 - Method for producing a double wall pipe (1992-06-23),

12. 4974440 - Self propelled internal pipe arching apparatus (1990-12-04),

13. 4914939 - Self propelled internal pipe arching apparatus (1990-04-10),

14. 4865357 - Metal pipe coupling to accommodate a desired angle of connection between (1989-09-12),

15. 4846660 - Apparatus for producing double wall pipe (1989-07-11),

Contech Construction Products Inc. specializes in providing innovative solutions for the construction industry, focusing on site development and infrastructure projects. The company develops a range of products including erosion control systems, drainage solutions, and retaining wall systems, aimed at enhancing project efficiency and sustainability. Headquartered in West Chester, Ohio, Contech is committed to advancing construction practices through research and technology, ensuring reliable and effective solutions for its clients across various geographic regions.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#8 in West Chester, OH

#847 in Ohio

#19,907 in US

#37,788 in the World

West Chester, OH, United States of America

Contech Construction Products Inc.

Forward Citations = 240

8 inventors:

James William Shade (7 out of 8 patents)

James C Schluter (5 out of 9 patents)

William L Zepp (3 out of 5 patents)

4. O'Dell Brinegar (3 out of 3 patents)

5. Hubert M Drossbach (2 out of 3 patents)

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