For the Inventor, By the Inventor

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Denver, CO, United States of America

Construction Technology, Inc.

USPTO Granted Patents = 11

% Expired Patents = 9.1

CIPO Patents = 2

Trademarks = 1

Forward Citations = 211

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12 inventors (with patents filed for the assignee):

Larry D Beller (3 out of 3 patents)

Kenneth R Friedland (2 out of 2 patents)

Paul T St Louis (2 out of 6 patents)

4. Richard W Levine (2 out of 2 patents)

5. Ronald L Major (1 out of 1 patent)

6. Donna Kelleen Darnell (1 out of 1 patent)

7. James W Martin (1 out of 1 patent)

8. Thomas J Martin (1 out of 1 patent)

9. Raymond E Lance (1 out of 3 patents)

10. Ronald N James (1 out of 1 patent)

11. Charles L Welch (1 out of 3 patents)

12. Johnston R Livingston (1 out of 1 patent)

13. Charles Leroy Welch (0 patent)

11 patents: Sort by Forward Citations

1. 8176990 - Apparatus for removing obstructions from a worksite (2012-05-15),

2. 7472869 - Balancing assembly for rotating cylindrical structures (2009-01-06),

3. 7104510 - Removable balancing assembly for rotating cylindrical structures (2006-09-12),

4. 6988866 - Fork lift attachment for multi-purpose bucket (2006-01-24),

5. 6022184 - Clamp-on fork lift attachments (2000-02-08),

6. 4910891 - Device for attaching earth-working tools to excavating equipment (1990-03-27),

7. 4813163 - Alignment fitting for attaching implements to a backhoe (1989-03-21),

8. 4554635 - Method and apparatus for marking or cutting laminar patterns or forms (1985-11-19),

9. 4551810 - Method and apparatus for designing duct work and for producing patterns (1985-11-05),

10. 4224003 - Backhoe mounted vibrating plate soil compactor (1980-09-23),

11. 4018135 - Hydraulically powered impact device (1977-04-19),

Construction Technology, Inc., based in Denver, CO, specializes in innovative solutions for the construction industry. The company focuses on developing advanced technologies that enhance project efficiency, safety, and sustainability. Its expertise spans various domains, including construction management software, building information modeling (BIM), and automation tools. By integrating cutting-edge technology into traditional construction practices, Construction Technology, Inc. aims to transform how projects are planned, executed, and managed, ultimately driving progress in the sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

11 Patents

#94 in Denver, CO

#581 in Colorado

#27,490 in US

#51,714 in the World

Denver, CO, United States of America

Construction Technology, Inc.

Forward Citations = 211

12 inventors:

Larry D Beller (3 out of 3 patents)

Kenneth R Friedland (2 out of 2 patents)

Paul T St Louis (2 out of 6 patents)

4. Richard W Levine (2 out of 2 patents)

5. Ronald L Major (1 out of 1 patent)

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