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For the Inventor, By the Inventor

Knoxville, TN, United States of America

Ray Industries, Inc.

Calculating rank
USPTO Granted Patents = 15

Trademarks = 4

Forward Citations = 218

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13 inventors (with patents filed for the assignee):

goldMedal Frank B Ousley, Ii (6 out of 7 patents)

silverMedal Robert A Greenberg (4 out of 4 patents)

bronzeMedal Douglas A Keehn, Jr (3 out of 4 patents)

4.  Bruce F Thompson (3 out of 3 patents)

5.  John William Hamilton (2 out of 7 patents)

6.  Jeffrey W Ellis (2 out of 2 patents)

7.  William W Powell (2 out of 2 patents)

8.  Jerome M Michalak (2 out of 2 patents)

9.  John Mark Owens (1 out of 2 patents)

10.  Steven A Callahan (1 out of 1 patent)

11.  John R Hamm (1 out of 1 patent)

12.  Ronald M Berman (1 out of 1 patent)

13.  Charles N Brown (1 out of 1 patent)


15 patents:

1. 5700172 - Submerged marine exhaust system (1997-12-23),
2. 5570730 - Spill resistant fuel cap and ventilation system (1996-11-05),
3. 5505644 - Submerged marine exhaust system (1996-04-09),
4. 5497724 - Aft seating (1996-03-12),
5. D358574 - Jet boat hull (1995-05-23),
6. D357223 - Jet boat (1995-04-11),
7. 5367977 - System, apparatus and method for rapidly attaching a boat cover or (1994-11-29),
8. 5215032 - System, apparatus and method for rapidly attaching a boat cover or (1993-06-01),
9. D330005 - Ski boat (1992-10-06),
10. 4784074 - Dual walkway - central boat transom (1988-11-15),
11. D298311 - Tow rail (1988-11-01),
12. 4778421 - Engine bed for inboard-powered boats (1988-10-18),
13. 4778420 - Stringer cap assembly for mounting inboard power boat engine (1988-10-18),
14. 4695183 - Marine propeller shaft/key assembly (1987-09-22),
15. 4002136 - Marine exhaust system (1977-01-11),
Company Overview
Ray Industries, Inc. is a technology-driven company based in Knoxville, TN, specializing in advanced manufacturing solutions. The organization focuses on developing innovative products and services across various sectors, including aerospace, defense, and industrial applications. With a commitment to research and development, Ray Industries leverages cutting-edge technologies to enhance operational efficiency and product performance. Their expertise in engineering and manufacturing positions them as a key player in the competitive landscape of high-tech industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#13 in Knoxville, TN

#220 in Tennessee

#21,068 in US

#39,959 in the World

Knoxville, TN (US)
Knoxville, TN, United States of America

Ray Industries, Inc.

Forward Citations = 218

13 inventors:

goldMedal Frank B Ousley, Ii (6 out of 7 patents)

silverMedal Robert A Greenberg (4 out of 4 patents)

bronzeMedal Douglas A Keehn, Jr (3 out of 4 patents)

4.  Bruce F Thompson (3 out of 3 patents)

5.  John William Hamilton (2 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ray Industries, Inc.. Retrieved from https://idiyas.com/company/ray-industries

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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