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For the Inventor, By the Inventor

Bayport, MN, United States of America

Andersen Corporation


USPTO Granted Patents = 269

% Expired Patents = 7.1



Trademarks = 60

Forward Citations = 5,855

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239 inventors (with patents filed for the assignee):

goldMedal David D Plummer (33 out of 35 patents)

silverMedal Duane T Fier (31 out of 33 patents)

bronzeMedal Kurt E Heikkila (27 out of 75 patents)

4.  Michael J Deaner (23 out of 25 patents)

5.  Todd W Bruchu (23 out of 25 patents)

6.  Joseph Guy Reithmeyer (19 out of 20 patents)

7.  Craig M Johnson (18 out of 20 patents)

8.  James Brian Libby (18 out of 19 patents)

9.  James Curtis Guhl (16 out of 18 patents)

10.  Timothy J Kelley (13 out of 19 patents)

11.  Patrick Jerome Gronlund (13 out of 22 patents)

12.  Casey L Carlson (13 out of 77 patents)

13.  Giuseppe Puppin (12 out of 12 patents)

14.  Chad Wernlund (11 out of 12 patents)

15.  Jon Dekko (11 out of 11 patents)


Core Competencies:
Fenestration Units
Retention Systems
Impact Resistance
Composite Extrusion
Hinge Assembly
Window Control
Door Hardware
Monitoring Devices
Tilt Latch
Glazing Units
Project Management
Noise Attenuation

269 patents:

1. 12749212 - Advanced measuring tool for fenestration replacements and installation (2026-09-29),
2. 12735937 - Selective placement of advanced composites in extruded articles and building components (2026-09-15),
3. 12680373 - Multi-piece sill assembly for fenestrations (2026-07-14),
4. 12655676 - Trim retainer systems and methods (2026-06-16),
5. 12629875 - Selectively filled hollow profiles and methods of preparing hollow profiles for joining operations (2026-05-19),
6. 12618273 - Protected window opening control device assemblies and methods (2026-05-05),
7. 12597212 - Project management system with client interaction (2026-04-07),
8. 12577828 - Coastal impact resistant fenestrations including corner key with overlap geometry (2026-03-17),
9. 12486696 - Fenestration unit with sash retention apparatus and methods (2025-12-02),
10. 12473774 - Compound fenestration assemblies with mull end connectors and methods (2025-11-18),
11. 12460457 - Sash tilt bolt and checkrail bracket systems for coastal impact resistant fenestrations (2025-11-04),
12. 12398587 - Window hinge assembly and methods (2025-08-26),
13. 12378812 - Glass lite retention systems and methods for improved performance (2025-08-05),
14. 12359487 - Window opening control device assemblies and methods (2025-07-15),
15. 12331580 - Damped door closer system and method (2025-06-17),
Andersen Corporation, headquartered in Bayport, Minnesota, specializes in the development and manufacturing of fenestration systems, including windows and doors. The company focuses on innovative technologies such as impact resistance, composite extrusion, and advanced hinge assembly, ensuring durability and performance in various environments. With a commitment to quality and sustainability, Andersen integrates monitoring devices and retention systems into its products, enhancing functionality and user experience in residential and commercial applications.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Andersen Corporation
269 Patents

#1 in Bayport, MN

#42 in Minnesota

#1,613 in US

#3,259 in the World

Bayport, MN (US)
Bayport, MN, United States of America

Andersen Corporation

Forward Citations = 5,855

239 inventors:

goldMedal David D Plummer (33 out of 35 patents)

silverMedal Duane T Fier (31 out of 33 patents)

bronzeMedal Kurt E Heikkila (27 out of 75 patents)

4.  Michael J Deaner (23 out of 25 patents)

5.  Todd W Bruchu (23 out of 25 patents)

Please report any incorrect information to [email protected]
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