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For the Inventor, By the Inventor

Medina, OH, United States of America

Harco Corporation


USPTO Granted Patents = 13


Trademarks = 2

Forward Citations = 161

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18 inventors (with patents filed for the assignee):

goldMedal James B Bushman (4 out of 15 patents)

silverMedal Clark P Weldon (3 out of 4 patents)

bronzeMedal Karl W Nicholas (3 out of 3 patents)

4.  Charles G Waits (3 out of 3 patents)

5.  Marvin L Miller (2 out of 2 patents)

6.  James R Dimond (2 out of 2 patents)

7.  Stephen L Wolfson (2 out of 3 patents)

8.  Joseph W Rog (2 out of 3 patents)

9.  Frank E Rizzo (1 out of 2 patents)

10.  David H Kroon (1 out of 1 patent)

11.  Charles R Ferry (1 out of 1 patent)

12.  Mitchell F Peterson (1 out of 2 patents)

13.  Larry H Merrick (1 out of 1 patent)

14.  William H Seager (1 out of 1 patent)

15.  John Hennessy (1 out of 1 patent)


13 patents:

1. 4515669 - Anode and connection (1985-05-07),
2. 4467274 - Electrical surveys of underwater or underground structures with (1984-08-21),
3. 4438391 - Electrical survey apparatus and method with spinner-type conductor supply (1984-03-20),
4. 4414511 - Low resistance, fluid replenishing, reference cell and method for using (1983-11-08),
5. 4388594 - Semi-permeable electrolytic cell and method for surveying buried (1983-06-14),
6. 4365191 - Method and apparatus for electrical surveys of offshore metal structures (1982-12-21),
7. 4322805 - Electrical survey method and apparatus (1982-03-30),
8. 4279729 - Anode and method of construction (1981-07-21),
9. 4228399 - Offshore pipeline electrical survey method and apparatus (1980-10-14),
10. 4160171 - Method and apparatus for determining the reference voltage in an (1979-07-03),
11. 4151458 - Closely spaced pipe-to-soil electrical survey method and apparatus (1979-04-24),
12. 4080272 - Cathodic protection method and apparatus (1978-03-21),
13. 4080024 - Underground cable connection (1978-03-21),
Company Overview
Harco Corporation, based in Medina, Ohio, specializes in the development and manufacturing of advanced electronic and mechanical systems. The company focuses on providing innovative solutions for various industries, including aerospace, defense, and commercial sectors. With a commitment to quality and precision, Harco integrates cutting-edge technology into its products, ensuring reliability and performance. The organization emphasizes research and development to enhance its offerings and meet the evolving needs of its clients in a competitive market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#5 in Medina, OH

#1,008 in Ohio

#23,838 in US

#45,039 in the World

Medina, OH (US)
Medina, OH, United States of America

Harco Corporation

Forward Citations = 161

18 inventors:

goldMedal James B Bushman (4 out of 15 patents)

silverMedal Clark P Weldon (3 out of 4 patents)

bronzeMedal Karl W Nicholas (3 out of 3 patents)

4.  Charles G Waits (3 out of 3 patents)

5.  Marvin L Miller (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Harco Corporation. Retrieved from https://idiyas.com/company/harco

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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