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For the Inventor, By the Inventor

Irvine, CA, United States of America

Valu Engineering, Inc.


USPTO Granted Patents = 29

% Expired Patents = 3.4

Trademarks = 2

Forward Citations = 328

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5 inventors (with patents filed for the assignee):

goldMedal Stuart J Ledingham (28 out of 34 patents)

silverMedal David N Padgett (4 out of 16 patents)

bronzeMedal Jeffrey J Schwarz (1 out of 1 patent)

4.  Stuart J Ledginham (1 out of 1 patent)

5.  Dale I Goldberg (1 out of 1 patent)


Core Competencies:
Conveyor Guide
Guide Rail Clamp
Flange Bearing
Support Bracket
Splice Sleeve
Bendable Conveyor
Rail Support Assembly
Flexible Spacer
Compression Clip
Return Guide Shoe
Monting Clip
Conveyor Belts

29 patents:

1. 7147098 - Bendable/twistable rolling conveyor guide (2006-12-12),
2. 6964333 - Conveyor chain guide system (2005-11-15),
3. D503333 - Clamp (2005-03-29),
4. 6872027 - Versatile guide rail clamp (2005-03-29),
5. 6752534 - Flange bearing having reinforced molded housing (2004-06-22),
6. 6752260 - Guide rail support bracket for conveyor system (2004-06-22),
7. 6685385 - Versatile guide rail clamp (2004-02-03),
8. 6669009 - Guide rail support bracket assembly for conveyor system (2003-12-30),
9. 6543608 - Guide rail support bracket for conveyor system (2003-04-08),
10. 6533110 - Guide rail spacer (2003-03-18),
11. 6533108 - Serpentine clip (2003-03-18),
12. 6516933 - Bendable rolling conveyor guide (2003-02-11),
13. 6493939 - Flange bearing having reinforced molded housing (2002-12-17),
14. 6287045 - Splice sleeve for guide rails (2001-09-11),
15. 6250841 - Splice sleeve for guide rails (2001-06-26),
Company Overview
Valu Engineering, Inc. is a technology-driven company based in Irvine, California, specializing in advanced engineering solutions. The organization focuses on developing innovative products and services across various sectors, including automotive, aerospace, and industrial applications. Valu Engineering is committed to enhancing performance and efficiency through cutting-edge research and development, leveraging its expertise in engineering design, analysis, and manufacturing processes to meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

29 Patents

#118 in Irvine, CA

#2,767 in California

#11,625 in US

#22,552 in the World

Irvine, CA (US)
Irvine, CA, United States of America

Valu Engineering, Inc.

Forward Citations = 328

5 inventors:

goldMedal Stuart J Ledingham (28 out of 34 patents)

silverMedal David N Padgett (4 out of 16 patents)

bronzeMedal Jeffrey J Schwarz (1 out of 1 patent)

4.  Stuart J Ledginham (1 out of 1 patent)

5.  Dale I Goldberg (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Valu Engineering, Inc.. Retrieved from https://idiyas.com/company/valu-engineering

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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