For the Inventor, By the Inventor

Enter assignee name

Alexandria, MN, United States of America

Douglas Machine Limited Liability Company

USPTO Granted Patents = 12

Forward Citations = 162

Loading Chart...

Loading Chart...

15 inventors (with patents filed for the assignee):

Irvan Leo Pazdernik (9 out of 30 patents)

Leon J Krause (1 out of 4 patents)

Jeffery L Lenarz (1 out of 4 patents)

4. Paul Howard Wagner (1 out of 25 patents)

5. David Leon Anderson (1 out of 9 patents)

6. Jerry Dahlheimer (1 out of 1 patent)

7. Jeff Lenarz (1 out of 1 patent)

8. Richard J Schoeneck (1 out of 2 patents)

9. Robert A Vollbrecht (1 out of 1 patent)

10. Scott P Leuschke (1 out of 1 patent)

11. Scott Christopher Larson (1 out of 1 patent)

12. Kenneth Dean Paulzine (1 out of 1 patent)

13. Rodney Tebben (1 out of 1 patent)

14. Mike Struges (1 out of 1 patent)

15. Dean Malmgren (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6094888 - System and methods for mechanically processing bags (2000-08-01),

2. 6047527 - Loading apparatus for bag packaging system and method of operating the (2000-04-11),

3. 5897480 - Collapsed, tubular carton erecting apparatus (1999-04-27),

4. 5813540 - Shrink film-encased double-tiered package (1998-09-29),

5. 5771662 - Apparatus and methods for producing shrink wrap packaging (1998-06-30),

6. 5704196 - High speed blank set-up apparatus and methods (1998-01-06),

7. 5635004 - Tape applying apparatus and methods (1997-06-03),

8. 5628614 - Continuous motion stacking apparatus and methods (1997-05-13),

9. 5558614 - Tubular carton opening, presenting, and closing apparatus (1996-09-24),

10. 5543699 - Random infeed timing device and methods (1996-08-06),

11. 5445590 - Collapsed, tubular carton erecting apparatus (1995-08-29),

12. 5352178 - Collapsed, tubular carton erecting apparatus (1994-10-04),

Douglas Machine LLC is a leading manufacturer of high-quality packaging machinery for the food and beverage industry. With over 35 years of experience, we design and build innovative, custom automation solutions for our customers. Our machines are known for their reliability, efficiency, and precision, helping businesses improve their production processes and meet the demands of a competitive market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

12 Patents

#3 in Alexandria, MN

#716 in Minnesota

#24,828 in US

#46,736 in the World

Alexandria, MN, United States of America

Douglas Machine Limited Liability Company

Forward Citations = 162

15 inventors:

Irvan Leo Pazdernik (9 out of 30 patents)

Leon J Krause (1 out of 4 patents)

Jeffery L Lenarz (1 out of 4 patents)

4. Paul Howard Wagner (1 out of 25 patents)

5. David Leon Anderson (1 out of 9 patents)

Please report any incorrect information to support@idiyas.com

Loading…