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Foothill Ranch, CA, United States of America

Bal Seal Engineering, Inc.

USPTO Granted Patents = 106

EPO Patents = 57

Trademarks = 12

Forward Citations = 1,320

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62 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. David Wang (4 out of 4 patents)

12. Richard Dawson (4 out of 4 patents)

13. Steve Rust (4 out of 4 patents)

14. Miquel Balta (4 out of 4 patents)

15. Brandon Grant (3 out of 3 patents)

Core Competencies:

Seal Assemblies

Lip Seals

Canted Coil Springs

Electrical Connectors

Spring Assemblies

Interlocking Seals

High Frequency Connectors

Spring Latching Connectors

Axial Floating Seals

Extreme Temperature Seals

Reciprocating Seals

Spring Energized Seals

106 patents: Sort by Forward Citations

1. 12486902 - Seal assemblies and related methods (2025-12-02),

2. 12247663 - Lip seals and related methods (2025-03-11),

3. 12092160 - Integrated seal and bearing assembly and related methods (2024-09-17),

4. 11940049 - Lip seals and related methods (2024-03-26),

5. 11746906 - Lip seals and related methods (2023-09-05),

6. 11680642 - Seal assemblies and related methods (2023-06-20),

7. 11598361 - Stamped housings to facilitate assembly and related methods (2023-03-07),

8. 11536373 - Seal assemblies and related methods (2022-12-27),

9. 11480250 - V-springs and seals with v-springs (2022-10-25),

10. 11353079 - Spring assemblies, applications of spring assemblies, and related methods (2022-06-07),

11. 11296475 - Connector housings, use of, and method therefor (2022-04-05),

12. 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),

13. 11235374 - Canted coil springs and assemblies and related methods (2022-02-01),

14. 11204054 - Stamped housings to facilitate assembly and related methods (2021-12-21),

15. 11050190 - Electrical connectors with linear springs and related methods (2021-06-29),

Bal Seal Engineering, Inc. is a global provider of custom-engineered sealing, connecting, conducting, and EMI shielding solutions. With over 60 years of experience, the company specializes in developing unique sealing technologies and high-performance components. Bal Seal Engineering serves a wide range of industries, including medical, aerospace, automotive, and telecommunications, offering innovative solutions and exceptional customer support.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

106 Patents

#2 in Foothill Ranch, CA

#799 in California

#3,451 in US

#7,176 in the World

Foothill Ranch, CA, United States of America

Bal Seal Engineering, Inc.

Forward Citations = 1,320

62 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)

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