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For the Inventor, By the Inventor

Waterloo, IA, United States of America

Engineered Products Company


USPTO Granted Patents = 19

% Expired Patents = 10.5


Trademarks = 2

Forward Citations = 213

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16 inventors (with patents filed for the assignee):

goldMedal Charles Henry Berry, Iii (7 out of 7 patents)

silverMedal Gregory Matthew Ferris (5 out of 5 patents)

bronzeMedal Jack Schuster (4 out of 4 patents)

4.  H Dianne Hammerand (3 out of 3 patents)

5.  Joseph P Heuthorst (2 out of 2 patents)

6.  Michael J Lockert, Jr (2 out of 5 patents)

7.  Dale A Klaus (2 out of 25 patents)

8.  Jerry Lee Manross (2 out of 2 patents)

9.  Joseph N Nelson (2 out of 2 patents)

10.  Daniel Brooks (1 out of 1 patent)

11.  Charels Henry Berry, Iii (1 out of 1 patent)

12.  Michael Dean Metcalf (1 out of 1 patent)

13.  Laverne Lee Sidler (1 out of 1 patent)

14.  James Nathan Forry (1 out of 1 patent)

15.  Thomas Alan Stoll (1 out of 1 patent)


19 patents:

1. 7921720 - Dial-type flow-restriction gauges (2011-04-12),
2. 7777143 - Non-locking switch for filter monitoring (2010-08-17),
3. 7562579 - Dial-type flow-restriction gauges (2009-07-21),
4. 7470360 - Fluid flow restriction indicator (2008-12-30),
5. 7414207 - Non-locking switch for filter monitoring (2008-08-19),
6. D569545 - Landscape lightpost (2008-05-20),
7. 7246929 - Landscape lightpost with receptacle cavity (2007-07-24),
8. 6877886 - Landscape lightpost (2005-04-12),
9. 6425682 - Temporary lighting apparatus and cage therefor (2002-07-30),
10. 6327902 - Air filter restriction indicator gauge (2001-12-11),
11. 6307466 - Two stage gauge with electrical signal output (2001-10-23),
12. 6289726 - Fuel filter gauge (2001-09-18),
13. 6268791 - Switch gauge (2001-07-31),
14. D439697 - Temporary lighting unit (2001-03-28),
15. D430942 - Landscape lightpost (2000-09-12),
Company Overview
Engineered Products Company, based in Waterloo, IA, specializes in the design and manufacture of innovative solutions for various industrial applications. The company focuses on developing high-quality products that enhance operational efficiency and safety across multiple sectors, including material handling and equipment manufacturing. With a commitment to engineering excellence, Engineered Products Company leverages advanced technologies to meet the evolving needs of its clients, ensuring reliable performance and durability in demanding environments.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

19 Patents

#1 in Waterloo, IA

#95 in Iowa

#17,138 in US

#32,663 in the World

Waterloo, IA (US)
Waterloo, IA, United States of America

Engineered Products Company

Forward Citations = 213

16 inventors:

goldMedal Charles Henry Berry, Iii (7 out of 7 patents)

silverMedal Gregory Matthew Ferris (5 out of 5 patents)

bronzeMedal Jack Schuster (4 out of 4 patents)

4.  H Dianne Hammerand (3 out of 3 patents)

5.  Joseph P Heuthorst (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Engineered Products Company. Retrieved from https://idiyas.com/company/engineered-products-company

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]
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