For the Inventor, By the Inventor

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Long Beach, CA, United States of America

Bw/ip International, Inc.

USPTO Granted Patents = 21

Trademarks = 10

Forward Citations = 210

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21 inventors (with patents filed for the assignee):

Clark S Boster (5 out of 8 patents)

Larry A Hufford (3 out of 4 patents)

Joseph A Marsi (3 out of 4 patents)

4. Jerzy A Lorett (2 out of 4 patents)

5. Charles H Pearson (2 out of 3 patents)

6. Coleman W Conrad (2 out of 4 patents)

7. David A Wurangian (2 out of 3 patents)

8. Richard Frank Salant (1 out of 6 patents)

9. Henry S Duffee (1 out of 6 patents)

10. Sankaraiyer Gopalakrishnan (1 out of 3 patents)

11. Carl F Reimers (1 out of 1 patent)

12. Gordhan K Vaghasia (1 out of 2 patents)

13. Rudolf Fehlau (1 out of 2 patents)

14. Denise M Ard (1 out of 2 patents)

15. Lloyd D Hanson (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. 5820106 - Guided gate valve (1998-10-13),

2. 5716054 - Diametric plane split mechanical face seal (1998-02-10),

3. 5704594 - Guided gate valve (1998-01-06),

4. 5562294 - Backup seal for axial face seal (1996-10-08),

5. 5556110 - Shroud enclosure for brittle mechanical face materials (1996-09-17),

6. 5487550 - Secondary gas/liquid mechanical seal assembly (1996-01-30),

7. 5445494 - Multi-stage centrifugal pump with canned magnetic bearing (1995-08-29),

8. 5428873 - Ball Latch mechanism (1995-07-04),

9. 5340272 - Multi-stage centrifugal pump incorporating a sealed thrust bearing (1994-08-23),

10. 5305676 - Low retention force release and arming mechanism for ordinance devices (1994-04-26),

11. 5246337 - Heat exchanger with hydrostatic bearing return flow guide (1993-09-21),

12. 5193974 - Dynamic pressure recovery seal (1993-03-16),

13. 5143515 - Pump with seal purge heater (1992-09-01),

14. 5076589 - Mechanical seal (1991-12-31),

15. 5072608 - Reduction of transient thermal stresses in machine components (1991-12-17),

Bw/ip International, Inc. is a global leader in providing innovative and cutting-edge IP solutions for businesses worldwide. With a strong focus on intellectual property management, licensing, and enforcement, Bw/ip International offers a wide range of services to help clients protect and maximize the value of their IP assets. Their team of experts is dedicated to delivering high-quality and cost-effective solutions tailored to meet the unique needs of each client.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

21 Patents

#9 in Long Beach, CA

#3,615 in California

#15,151 in US

#29,031 in the World

Long Beach, CA, United States of America

Bw/ip International, Inc.

Forward Citations = 210

21 inventors:

Clark S Boster (5 out of 8 patents)

Larry A Hufford (3 out of 4 patents)

Joseph A Marsi (3 out of 4 patents)

4. Jerzy A Lorett (2 out of 4 patents)

5. Charles H Pearson (2 out of 3 patents)

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