For the Inventor, By the Inventor

Enter assignee name

Maple Grove, MN, United States of America

Aspen Research Corporation

USPTO Granted Patents = 11

% Expired Patents = 27.3

Forward Citations = 154

Loading Chart...

Loading Chart...

15 inventors (with patents filed for the assignee):

Willard E Wood (3 out of 53 patents)

Roger Pearson (3 out of 3 patents)

John A Spevacek (3 out of 6 patents)

4. Kenneth W Richards (3 out of 3 patents)

5. Kenneth D Zigrino (3 out of 3 patents)

6. Neil J Beaverson (3 out of 39 patents)

7. S Jepson Sutton (2 out of 3 patents)

8. Sam Sutton (2 out of 3 patents)

9. James Edward Fairman (1 out of 8 patents)

10. Michael Arney (1 out of 12 patents)

11. Kurt E Heikkila (1 out of 75 patents)

12. Douglas E Wilken (1 out of 1 patent)

13. Russell John Pylkki (1 out of 8 patents)

14. Frank Maginnis (1 out of 1 patent)

15. David B Maginnis (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 9676907 - Methods and systems of graft polymerization on a functionalized substrate (2017-06-13),

2. 9267009 - Methods and systems of graft polymerization on a functionalized substrate (2016-02-23),

3. 9074056 - Methods and systems to prepare functionalized substrate from disulfide bond-containing material (2015-07-07),

4. 8820355 - Method and apparatus for cleaning pools with reduced energy consumption (2014-09-02),

5. 8256461 - Distribution valve and cam mechanism (2012-09-04),

6. 6595781 - Method and apparatus for the production and integrated delivery of educational content in digital form (2003-07-22),

7. 6350397 - Optical member with layer having a coating geometry and composition that enhance cleaning properties (2002-02-26),

8. 5603974 - Barrier material comprising a thermoplastic and a compatible (1997-02-18),

9. 5505969 - Barrier material comprising a thermoplastic and a compatible (1996-04-09),

10. 5492947 - Barrier material comprising a thermoplastic and a compatible (1996-02-20),

11. 5380482 - Method of manufacturing ingots for use in making objects having high (1995-01-10),

Aspen Research Corporation is a leading provider of engineering services with a focus on aerospace and defense industries. With over 30 years of experience, Aspen Research offers expertise in advanced technologies, product development, testing, and analysis. The company is dedicated to providing innovative solutions to complex engineering challenges and delivering high-quality results for their clients.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

11 Patents

#21 in Maple Grove, MN

#786 in Minnesota

#27,459 in US

#51,637 in the World

Maple Grove, MN, United States of America

Aspen Research Corporation

Forward Citations = 154

15 inventors:

Willard E Wood (3 out of 53 patents)

Roger Pearson (3 out of 3 patents)

John A Spevacek (3 out of 6 patents)

4. Kenneth W Richards (3 out of 3 patents)

5. Kenneth D Zigrino (3 out of 3 patents)

Please report any incorrect information to [email protected]

Loading…