Trademarks = 1

Forward Citations = 75

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10 inventors (with patents filed for the assignee):

David A Keech (2 out of 4 patents)

Robert T Kirchner (2 out of 4 patents)

Ronald D Schlesch (1 out of 12 patents)

4. Arthur E Clifton (1 out of 1 patent)

5. Otho E Ulrich (1 out of 1 patent)

6. Robert F Lyons (1 out of 2 patents)

7. Vincent E Bischoff (1 out of 1 patent)

8. David W Miner (1 out of 2 patents)

9. Mark D Driscoll (1 out of 3 patents)

10. John E Sorenson (1 out of 3 patents)

5 patents: Sort by Forward Citations

1. 4305548 - Energy loss detection system (1981-12-15),

2. 4149557 - Inverted bucket steam trap (1979-04-17),

3. 4146775 - Automatic control system for an electrode-type air humidifier (1979-03-27),

4. 4096876 - Condensate controller (1978-06-27),

5. 3936023 - Light holder (1976-02-03),

Company Overview

Armstrong Machine Works is a leading manufacturer of custom industrial machinery and equipment. With over 50 years of experience, we specialize in providing innovative solutions for a wide range of industries including automotive, aerospace, and pharmaceuticals. Our team of highly skilled engineers and technicians are committed to delivering high-quality products that meet the unique needs of our customers. Contact us today to learn more about how we can help with your next project.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#5 in Three Rivers, MI

#1,723 in Michigan

#51,644 in US

Three Rivers, MI, United States of America

Armstrong Machine Works

Forward Citations = 75

10 inventors:

David A Keech (2 out of 4 patents)

Robert T Kirchner (2 out of 4 patents)

Ronald D Schlesch (1 out of 12 patents)

4. Arthur E Clifton (1 out of 1 patent)

5. Otho E Ulrich (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Armstrong Machine Works. Retrieved from https://idiyas.com/company/armstrong-machine-works

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]