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For the Inventor, By the Inventor

Elyria, OH, United States of America

Diamond Products, Limited


USPTO Granted Patents = 23

% Expired Patents = 47.8


Trademarks = 18

Forward Citations = 149

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15 inventors (with patents filed for the assignee):

goldMedal Martin D Marsic (8 out of 15 patents)

silverMedal Karl H Moller (7 out of 8 patents)

bronzeMedal Brian S Edwards (7 out of 7 patents)

4.  Thomas G Ruffner (6 out of 6 patents)

5.  Andrew L Jedick (5 out of 6 patents)

6.  Kent A Smith (4 out of 4 patents)

7.  Anthony J Mertes (2 out of 10 patents)

8.  Peter Marques (2 out of 2 patents)

9.  Francis M Gobright, Iv (1 out of 6 patents)

10.  Dennis Minut (1 out of 1 patent)

11.  Jeffrey A Gray (1 out of 1 patent)

12.  Louis E Silay (1 out of 6 patents)

13.  Charles Markley (1 out of 1 patent)

14.  Timothy M Obrzut (1 out of 2 patents)

15.  Miroslav Pavlovic (1 out of 1 patent)


23 patents:

1. D1016103 - Skid plate (2024-02-27),
2. 10894339 - Electric concrete saw (2021-01-19),
3. 9873210 - Electric concrete saw (2018-01-23),
4. 9701042 - Method of making diamond mining core drill bit and reamer (2017-07-11),
5. 9689210 - Diamond mining core drill bit and methods of making thereof (2017-06-27),
6. 9174359 - Concrete saw (2015-11-03),
7. 8931471 - Hybrid concrete saw (2015-01-13),
8. 8640685 - Concrete saw (2014-02-04),
9. 8381626 - Lockable hinge for a saw blade guard (2013-02-26),
10. 8360045 - Concrete saw (2013-01-29),
11. 8342610 - Green concrete saw (2013-01-01),
12. 8210287 - Mining core drill bit and method of making thereof (2012-07-03),
13. 7721825 - Portable concrete boring machine (2010-05-25),
14. 7704123 - Handle assembly for a concrete saw (2010-04-27),
15. 7645183 - Mobile road or floor saw (2010-01-12),
Company Overview
Diamond Products, Limited, based in Elyria, Ohio, specializes in the development and manufacturing of high-quality diamond tools and equipment. The company serves a diverse range of industries, including construction, masonry, and stone fabrication, providing innovative solutions for cutting, grinding, and drilling applications. With a commitment to quality and performance, Diamond Products focuses on advancing technology in the diamond tool sector, ensuring their products meet the evolving needs of professionals in various fields.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Diamond Products, Limited USPTO Patent Assignee Logo
23 Patents

#6 in Elyria, OH

#635 in Ohio

#14,438 in US

#27,714 in the World

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

Diamond Products, Limited

Forward Citations = 149

15 inventors:

goldMedal Martin D Marsic (8 out of 15 patents)

silverMedal Karl H Moller (7 out of 8 patents)

bronzeMedal Brian S Edwards (7 out of 7 patents)

4.  Thomas G Ruffner (6 out of 6 patents)

5.  Andrew L Jedick (5 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Diamond Products, Limited. Retrieved from https://idiyas.com/company/diamond-products

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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