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Foothill Ranch, CA, United States of America

Bal Seal Engineering, Inc.

USPTO Granted Patents = 107

% Expired Patents = 9.3

EPO Patents = 58

Trademarks = 9

Forward Citations = 1,374

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63 inventors (with patents filed for the assignee):

Farshid Dilmaghanian (29 out of 29 patents)

Peter J Balsells (27 out of 86 patents)

Derek Changsrivong (18 out of 18 patents)

4. Majid Ghasiri (14 out of 16 patents)

5. Hugh Cook (9 out of 10 patents)

6. Pete J Balsells (8 out of 8 patents)

7. Jin Kim (7 out of 8 patents)

8. Rob Sjostedt (7 out of 9 patents)

9. Mike Foster (6 out of 9 patents)

10. Daniel Poon (6 out of 7 patents)

11. Miquel Balta (5 out of 5 patents)

12. David Wang (4 out of 4 patents)

13. Richard Dawson (4 out of 4 patents)

14. Marc Soriano (4 out of 4 patents)

15. Steve Rust (4 out of 4 patents)

Core Competencies:

Seal Assemblies

Lip Seals

Canted Coil Springs

Spring Connectors

Electrical Connectors

Interlocking Seals

High Frequency Connectors

Spring Energized Seals

Cartridge Seal Assemblies

Multi-Latching Mechanisms

Extreme Temperature Seals

Dynamic Lip Seals

107 patents: Sort by Forward Citations

1. 12747791 - Lip seals and related methods (2026-09-29),

2. 12486902 - Seal assemblies and related methods (2025-12-02),

3. 12247663 - Lip seals and related methods (2025-03-11),

4. 12092160 - Integrated seal and bearing assembly and related methods (2024-09-17),

5. 11940049 - Lip seals and related methods (2024-03-26),

6. 11746906 - Lip seals and related methods (2023-09-05),

7. 11680642 - Seal assemblies and related methods (2023-06-20),

8. 11598361 - Stamped housings to facilitate assembly and related methods (2023-03-07),

9. 11536373 - Seal assemblies and related methods (2022-12-27),

10. 11480250 - V-springs and seals with v-springs (2022-10-25),

11. 11353079 - Spring assemblies, applications of spring assemblies, and related methods (2022-06-07),

12. 11296475 - Connector housings, use of, and method therefor (2022-04-05),

13. 11258147 - Assembly comprising a sleeve connecting first and second hollow waveguides, wherein grooves for receiving reversible deformable elements therein are located waveguides and sleeve (2022-02-22),

14. 11235374 - Canted coil springs and assemblies and related methods (2022-02-01),

15. 11204054 - Stamped housings to facilitate assembly and related methods (2021-12-21),

Company Overview

Bal Seal Engineering, Inc., based in Foothill Ranch, California, specializes in advanced seal technology, focusing on the design and manufacture of innovative seal assemblies and spring solutions. The company is recognized for its expertise in lip seals, canted coil springs, and spring connectors, catering to a diverse range of industries. Bal Seal's commitment to high-performance engineering is evident in its development of interlocking seals and high-frequency connectors, ensuring reliability and efficiency in various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

107 Patents

#2 in Foothill Ranch, CA

#810 in California

#3,565 in US

#7,336 in the World

Foothill Ranch, CA, United States of America

Bal Seal Engineering, Inc.

Forward Citations = 1,374

63 inventors:

Farshid Dilmaghanian (29 out of 29 patents)

Peter J Balsells (27 out of 86 patents)

Derek Changsrivong (18 out of 18 patents)

4. Majid Ghasiri (14 out of 16 patents)

5. Hugh Cook (9 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Bal Seal Engineering, Inc.. Retrieved from https://idiyas.com/company/bal-seal-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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