For the Inventor, By the Inventor

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Conrad, IA, United States of America

Ritchie Industries, Inc.

USPTO Granted Patents = 16

Trademarks = 2

Forward Citations = 197

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11 inventors (with patents filed for the assignee):

Jerry D Peterson (8 out of 8 patents)

Gerald L Knief (8 out of 8 patents)

Michael R Gerbo (4 out of 4 patents)

4. Eric David Sieverding (1 out of 1 patent)

5. Tad D Upah (1 out of 3 patents)

6. Robert John Amundson (1 out of 1 patent)

7. Warren E Bishop (1 out of 1 patent)

8. David J Vavra (1 out of 1 patent)

9. Daryl J Hertema (1 out of 1 patent)

10. Leland G Wiseman (1 out of 1 patent)

11. Larry Cole (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 11716968 - Waterer valve system (2023-08-08),

2. D509907 - Portable plastic fence panel (2005-09-20),

3. 6668754 - Nipple valve waterer (2003-12-30),

4. D466586 - Nipple valve (2002-12-04),

5. 5709170 - Animal alignment guide for a nipple valve waterer (1998-01-20),

6. 5603286 - Animal alignment guide for a nipple valve waterer (1997-02-18),

7. 5174245 - Animal waterer drinking well apparatus (1992-12-29),

8. 4856459 - Heater and thermostat arrangement for animal waterers (1989-08-15),

9. 4646687 - Animal waterer (1987-03-03),

10. 4633815 - Waterer corner wear guard (1987-01-06),

11. 4248177 - Animal waterer with recirculating water system (1981-02-03),

12. D257691 - Animal waterer (1980-12-23),

13. 4185589 - Method and apparatus for heating a nipple valve livestock waterer (1980-01-29),

14. 4110603 - Plastic pipe heater (1978-08-29),

15. 4078524 - Animal watering apparatus (1978-03-14),

Ritchie Industries, Inc. is a leading manufacturer of livestock watering equipment, including automatic waterers and fountains. With over 90 years of experience in the industry, Ritchie Industries is committed to providing high-quality products that meet the needs of farmers and ranchers. Their innovative designs and durable construction have made them a trusted name in the agricultural community.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

16 Patents

#1 in Conrad, IA

#113 in Iowa

#19,898 in US

#37,766 in the World

Conrad, IA, United States of America

Ritchie Industries, Inc.

Forward Citations = 197

11 inventors:

Jerry D Peterson (8 out of 8 patents)

Gerald L Knief (8 out of 8 patents)

Michael R Gerbo (4 out of 4 patents)

4. Eric David Sieverding (1 out of 1 patent)

5. Tad D Upah (1 out of 3 patents)

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