For the Inventor, By the Inventor

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Vancouver, WA, United States of America

Columbia Machine, Inc.

USPTO Granted Patents = 50

% Expired Patents = 4.0

Trademarks = 4

Forward Citations = 514

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35 inventors (with patents filed for the assignee):

Robert A Schmitt (17 out of 19 patents)

Stacy L Gildersleeve (13 out of 13 patents)

Allen Aaseth (10 out of 11 patents)

4. Llewellyn L Johnston (8 out of 14 patents)

5. Richard T Goode (3 out of 3 patents)

6. Jason Clark (3 out of 3 patents)

7. Joseph Barnes (2 out of 3 patents)

8. Emerson Kneipp (2 out of 2 patents)

9. Josh Justin Gierman (2 out of 2 patents)

10. Douglas Vernon High (2 out of 2 patents)

11. Tomas A Glascoe (2 out of 2 patents)

12. J Dennis Allison (2 out of 5 patents)

13. William J Huebner (2 out of 2 patents)

14. Daniel R Wahlstrom (2 out of 12 patents)

15. Josef Ott (1 out of 6 patents)

Core Competencies:

Concrete Forming

Mold Extraction

Palletizing

Gas Entrainment

Mold Assembly

Automated Systems

Product Height Change

Tumbling Apparatus

Adjustable Counterweight

Pallet Load Transfer

Article Stacking

Rough Faced Bricks

50 patents: Sort by Forward Citations

1. 12305924 - Method and apparatus for hardening mold grids using clamp quenching (2025-05-20),

2. 12221392 - Apparatus for gas entrainment via nano-bubbles into concrete upstream from a product mold (2025-02-11),

3. 12221391 - Method for adapting an existing concrete products forming machine for forming infused concrete products (2025-02-11),

4. 11795007 - Vertically actuated case turning device and method (2023-10-24),

5. 11591268 - Method for gas entrainment via nano-bubbles into concrete upstream from a product mold (2023-02-28),

6. 11148323 - Method for exchanging molds in a concrete products forming machine (2021-10-19),

7. 10967540 - Method for operating a mold extraction assembly in a concrete products forming machine (2021-04-06),

8. 10815072 - Turning device and method for turning articles on conveyors (2020-10-27),

9. 10603817 - Fully automated mold change with product height change (2020-03-31),

10. 10543618 - Pallet feed method and apparatus for use on a concrete products machine (2020-01-28),

11. 10279507 - Mold transfer assembly for concrete products forming machine (2019-05-07),

12. 10245757 - Mold extractor assembly for concrete products forming machine (2019-04-02),

13. 10245756 - Mold assembly for concrete products forming machine (2019-04-02),

14. 10066300 - Enhanced release compression shoe for use with concrete product forming machines (2018-09-04),

15. 9656844 - Hoist safety lock mechanism (2017-05-23),

Columbia Machine, Inc. is a leading manufacturer specializing in concrete product machinery, headquartered in Vancouver, Washington. The company focuses on developing innovative solutions for concrete forming, mold extraction, and palletizing, enhancing efficiency in the production of concrete products. Columbia's expertise extends to automated systems, gas entrapment technologies, and mold assembly, catering to the evolving needs of the concrete industry. Their commitment to quality and innovation positions them as a key player in the concrete machinery sector.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Columbia Machine, Inc.

50 Patents

#9 in Vancouver, WA

#161 in Washington

#6,994 in US

#13,981 in the World

Vancouver, WA, United States of America

Columbia Machine, Inc.

Forward Citations = 514

35 inventors:

Robert A Schmitt (17 out of 19 patents)

Stacy L Gildersleeve (13 out of 13 patents)

Allen Aaseth (10 out of 11 patents)

4. Llewellyn L Johnston (8 out of 14 patents)

5. Richard T Goode (3 out of 3 patents)

Please report any incorrect information to [email protected]

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