For the Inventor, By the Inventor

Enter assignee name

Minneapolis, MN, United States of America

Delavan Ag Pumps, Inc.

USPTO Granted Patents = 3

% Expired Patents = 33.3

Trademarks = 1

Forward Citations = 3

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6 inventors (with patents filed for the assignee):

Gilbert Dean Pangburn (1 out of 1 patent)

Matthew Wayne Hollister (1 out of 3 patents)

Dustin Featherstone (1 out of 4 patents)

4. Logan Cipala (1 out of 1 patent)

5. Matt Johnson (1 out of 1 patent)

6. David Beaudry (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 12241462 - Bypass and demand pump and valve system for bypass and demand pump (2025-03-04),

2. 10125762 - Pump port adapter (2018-11-13),

3. 8133045 - Self-aligning pump rotor and methods (2012-03-13),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#438 in Minneapolis, MN

#1,979 in Minnesota

#73,766 in US

Minneapolis, MN, United States of America

Delavan Ag Pumps, Inc.

Forward Citations = 3

6 inventors:

Gilbert Dean Pangburn (1 out of 1 patent)

Matthew Wayne Hollister (1 out of 3 patents)

Dustin Featherstone (1 out of 4 patents)

4. Logan Cipala (1 out of 1 patent)

5. Matt Johnson (1 out of 1 patent)

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